diff --git a/Cargo.lock b/Cargo.lock
index 63c88d0fa2..2207e8bab9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,33 +2,24 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.12.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602d785912f476e480434627e8732e6766b760c045bbf897d9dfaa9f4fbd399c"
+checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
 dependencies = [
  "gimli",
 ]
 
 [[package]]
 name = "adler"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ccc9a9dd069569f212bc4330af9f17c4afb5e8ce185e83dbb14f1349dda18b10"
-
-[[package]]
-name = "adler32"
-version = "1.1.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
 
 [[package]]
 name = "ahash"
-version = "0.2.18"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f33b5018f120946c1dcf279194f238a9f146725593ead1c08fa47ff22b0b5d3"
-dependencies = [
- "const-random",
-]
+checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
 
 [[package]]
 name = "aho-corasick"
@@ -77,9 +68,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.31"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85bb70cc08ec97ca5450e6eba421deeea5f172c0fc61f78b5357b2a8e8be195f"
+checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
 
 [[package]]
 name = "anymap"
@@ -141,9 +132,9 @@ version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a265e3abeffdce30b2e26b7a11b222fe37c6067404001b434101457d0385eb92"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -171,14 +162,14 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.49"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
+checksum = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 dependencies = [
  "addr2line",
  "cfg-if",
  "libc",
- "miniz_oxide 0.3.7",
+ "miniz_oxide",
  "object",
  "rustc-demangle",
 ]
@@ -316,12 +307,9 @@ dependencies = [
 
 [[package]]
 name = "bytes"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "118cf036fbb97d0816e3c34b2d7a1e8cfc60f68fcf63d550ddbe9bd5f59c213b"
-dependencies = [
- "loom",
-]
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
 name = "cargo-deadlinks"
@@ -350,7 +338,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5d1b4d380e1bab994591a24c2bdd1b054f64b60bef483a8c598c7c345bc3bbe"
 dependencies = [
- "error-chain 0.12.2",
+ "error-chain 0.12.4",
  "semver",
  "serde",
  "serde_derive",
@@ -380,9 +368,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.56"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77c1f1d60091c1b73e2b1f4560ab419204b178e625fa945ded7b660becd2bd46"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 
 [[package]]
 name = "cfg-if"
@@ -392,9 +380,9 @@ checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
 name = "clap"
-version = "2.33.1"
+version = "2.33.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
+checksum = "10040cdf04294b565d9e0319955430099ec3813a64c952b86a41200ad714ae48"
 dependencies = [
  "ansi_term 0.11.0",
  "atty",
@@ -460,7 +448,7 @@ dependencies = [
  "filetime",
  "getopts",
  "libc",
- "log 0.4.8",
+ "log 0.4.11",
  "miow 0.3.5",
  "regex 1.3.9",
  "rustfix",
@@ -485,26 +473,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "const-random"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f1af9ac737b2dd2d577701e59fd09ba34822f6f2ebdb30a7647405d9e55e16a"
-dependencies = [
- "const-random-macro",
- "proc-macro-hack",
-]
-
-[[package]]
-name = "const-random-macro"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25e4c606eb459dd29f7c57b2e0879f2b6f14ee130918c2b78ccb58a9624e6c7a"
-dependencies = [
- "getrandom",
- "proc-macro-hack",
-]
-
 [[package]]
 name = "constant_time_eq"
 version = "0.1.5"
@@ -530,7 +498,7 @@ dependencies = [
  "cookie",
  "failure",
  "idna 0.1.5",
- "log 0.4.8",
+ "log 0.4.11",
  "publicsuffix",
  "serde",
  "serde_json",
@@ -607,7 +575,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
 dependencies = [
  "crossbeam-epoch",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
@@ -619,7 +587,7 @@ checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
 dependencies = [
  "autocfg 1.0.0",
  "cfg-if",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "lazy_static",
  "maybe-uninit",
  "memoffset",
@@ -633,20 +601,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
 dependencies = [
  "cfg-if",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "maybe-uninit",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.6.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
-dependencies = [
- "cfg-if",
- "lazy_static",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -687,7 +645,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39858aa5bac06462d4dd4b9164848eb81ffc4aa5c479746393598fd193afa227"
 dependencies = [
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -732,6 +690,16 @@ dependencies = [
  "dirs-sys",
 ]
 
+[[package]]
+name = "dirs-next"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cbcf9241d9e8d106295bd496bbe2e9cffd5fa098f2a8c9e2bbcbf09773c11a8"
+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
 [[package]]
 name = "dirs-sys"
 version = "0.3.5"
@@ -743,6 +711,17 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "dirs-sys-next"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c60f7b8a8953926148223260454befb50c751d3c50e1c178c4fd1ace4083c9a"
+dependencies = [
+ "libc",
+ "redox_users",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "docopt"
 version = "0.8.3"
@@ -786,22 +765,13 @@ version = "1.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 
-[[package]]
-name = "ena"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8944dc8fa28ce4a38f778bd46bf7d923fe73eed5a439398507246c8e017e6f36"
-dependencies = [
- "log 0.4.8",
-]
-
 [[package]]
 name = "ena"
 version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7402b94a93c24e742487327a7cd839dc9d36fec9de9fb25b09f2dae459f36c3"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
 ]
 
 [[package]]
@@ -837,7 +807,7 @@ checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
 dependencies = [
  "atty",
  "humantime",
- "log 0.4.8",
+ "log 0.4.11",
  "regex 1.3.9",
  "termcolor",
 ]
@@ -853,9 +823,9 @@ dependencies = [
 
 [[package]]
 name = "error-chain"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d371106cc88ffdfb1eabd7111e432da544f16f3e2d7bf1dfe8bf575f1df045cd"
+checksum = "2d2f06b9cac1506ece98fe3231e3cc9c4410ec3d5b1f24ae1c8946f0742cdefc"
 dependencies = [
  "backtrace",
  "version_check",
@@ -877,9 +847,9 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
  "synstructure",
 ]
 
@@ -891,9 +861,9 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "filetime"
-version = "0.2.10"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "affc17579b132fc2461adf7c575cc6e8b134ebca52c51f5411388965227dc695"
+checksum = "3ed85775dcc68644b5c950ac06a2b23768d3bc9390464151aaf27136998dcf9e"
 dependencies = [
  "cfg-if",
  "libc",
@@ -901,12 +871,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "fixedbitset"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86d4de0081402f5e88cdac65c8dcdcc73118c1a7a465e2a05f0da05843a8ea33"
-
 [[package]]
 name = "fixedbitset"
 version = "0.2.0"
@@ -922,7 +886,7 @@ dependencies = [
  "cfg-if",
  "crc32fast",
  "libc",
- "miniz_oxide 0.4.0",
+ "miniz_oxide",
 ]
 
 [[package]]
@@ -1055,9 +1019,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -1096,19 +1060,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "generator"
-version = "0.6.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "add72f17bb81521258fcc8a7a3245b1e184e916bfbe34f0ea89558f440df5c68"
-dependencies = [
- "cc",
- "libc",
- "log 0.4.8",
- "rustc_version",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.12.3"
@@ -1140,9 +1091,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.21.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
+checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 
 [[package]]
 name = "glob"
@@ -1174,15 +1125,15 @@ dependencies = [
  "gluon_parser",
  "gluon_vm",
  "http 0.2.1",
- "hyper 0.13.6",
+ "hyper 0.13.7",
  "insta",
  "itertools",
  "little-skeptic",
- "log 0.4.8",
+ "log 0.4.11",
  "native-tls",
  "pin-project-lite",
  "pretty_assertions",
- "pulldown-cmark 0.7.1",
+ "pulldown-cmark 0.7.2",
  "quick-error",
  "rand 0.7.3",
  "rand_xorshift 0.2.0",
@@ -1196,7 +1147,7 @@ dependencies = [
  "tempfile 3.1.0",
  "tensile",
  "thiserror",
- "tokio 0.2.21",
+ "tokio 0.2.22",
  "tokio-native-tls",
  "tower-service",
  "walkdir",
@@ -1208,17 +1159,17 @@ version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4644d498c04e71e60947f837bf9729379bd922e5b745c36bea5a4ce03e551fe5"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures-channel",
  "futures-util",
  "gluon-salsa-macros",
  "indexmap",
- "lock_api 0.4.0",
- "log 0.4.8",
+ "lock_api 0.4.1",
+ "log 0.4.11",
  "oorandom",
  "parking_lot 0.11.0",
  "rustc-hash",
- "smallvec 1.4.0",
+ "smallvec 1.4.1",
 ]
 
 [[package]]
@@ -1228,9 +1179,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "807a2b17a92e21080379cf696063642c70caea95c04b547320d37fd6844b8e0f"
 dependencies = [
  "heck",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -1247,19 +1198,19 @@ dependencies = [
  "env_logger 0.7.1",
  "fnv",
  "gluon_codegen",
- "hashbrown 0.6.3",
+ "hashbrown 0.8.2",
  "itertools",
- "log 0.4.8",
+ "log 0.4.11",
  "ordered-float",
- "pretty 0.10.0",
+ "pretty",
  "pretty_assertions",
  "quick-error",
  "serde",
  "serde_derive",
  "serde_derive_state",
  "serde_state",
- "smallvec 0.6.13",
- "typed-arena 1.7.0",
+ "smallvec 1.4.1",
+ "typed-arena",
  "vec_map",
 ]
 
@@ -1280,7 +1231,7 @@ dependencies = [
  "codespan-reporting",
  "collect-mac",
  "difference",
- "ena 0.13.1",
+ "ena",
  "env_logger 0.7.1",
  "gluon_base",
  "gluon_codegen",
@@ -1288,13 +1239,13 @@ dependencies = [
  "gluon_parser",
  "insta",
  "itertools",
- "log 0.4.8",
- "pretty 0.10.0",
+ "log 0.4.11",
+ "pretty",
  "pretty_assertions",
  "quick-error",
  "rpds",
- "smallvec 0.6.13",
- "strsim 0.9.3",
+ "smallvec 1.4.1",
+ "strsim 0.10.0",
 ]
 
 [[package]]
@@ -1304,11 +1255,11 @@ dependencies = [
  "env_logger 0.7.1",
  "gluon",
  "gluon_vm",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
  "serde",
  "serde_derive",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -1342,10 +1293,10 @@ dependencies = [
  "handlebars",
  "itertools",
  "lazy_static",
- "log 0.4.8",
+ "log 0.4.11",
  "opener",
- "pretty 0.10.0",
- "pulldown-cmark 0.7.1",
+ "pretty",
+ "pulldown-cmark 0.7.2",
  "rayon",
  "regex 1.3.9",
  "serde",
@@ -1366,11 +1317,11 @@ dependencies = [
  "gluon",
  "gluon_base",
  "itertools",
- "log 0.4.8",
- "pretty 0.10.0",
+ "log 0.4.11",
+ "pretty",
  "pretty_assertions",
  "tensile",
- "tokio 0.2.21",
+ "tokio 0.2.22",
  "walkdir",
 ]
 
@@ -1388,9 +1339,8 @@ dependencies = [
  "itertools",
  "lalrpop",
  "lalrpop-util",
- "log 0.4.8",
+ "log 0.4.11",
  "ordered-float",
- "pretty 0.9.0",
  "pretty_assertions",
  "quick-error",
 ]
@@ -1414,7 +1364,7 @@ dependencies = [
  "gluon_format",
  "gluon_vm",
  "lazy_static",
- "log 0.4.8",
+ "log 0.4.11",
  "pretty_assertions",
  "quick-error",
  "rexpect",
@@ -1422,7 +1372,7 @@ dependencies = [
  "serde",
  "serde_derive",
  "structopt",
- "tokio 0.2.21",
+ "tokio 0.2.22",
  "walkdir",
 ]
 
@@ -1435,7 +1385,7 @@ dependencies = [
  "codespan",
  "codespan-reporting",
  "collect-mac",
- "crossbeam-utils 0.6.6",
+ "crossbeam-utils",
  "difference",
  "downcast-rs",
  "env_logger 0.7.1",
@@ -1449,11 +1399,11 @@ dependencies = [
  "itertools",
  "lalrpop",
  "lalrpop-util",
- "log 0.4.8",
+ "log 0.4.11",
  "ordered-float",
- "parking_lot 0.9.0",
- "petgraph 0.4.13",
- "pretty 0.10.0",
+ "parking_lot 0.11.0",
+ "petgraph",
+ "pretty",
  "pretty_assertions",
  "quick-error",
  "regex 1.3.9",
@@ -1463,9 +1413,9 @@ dependencies = [
  "serde_json",
  "serde_state",
  "slab",
- "smallvec 0.6.13",
- "tokio 0.2.21",
- "typed-arena 1.7.0",
+ "smallvec 1.4.1",
+ "tokio 0.2.22",
+ "typed-arena",
 ]
 
 [[package]]
@@ -1480,7 +1430,7 @@ dependencies = [
  "futures 0.1.29",
  "http 0.1.21",
  "indexmap",
- "log 0.4.8",
+ "log 0.4.11",
  "slab",
  "string",
  "tokio-io",
@@ -1488,21 +1438,21 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79b7246d7e4b979c03fa093da39cfb3617a96bbeee6310af63991668d7e843ff"
+checksum = "993f9e0baeed60001cf565546b0d3dbe6a6ad23f2bd31644a133c641eccf6d53"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "futures-sink",
  "futures-util",
  "http 0.2.1",
  "indexmap",
- "log 0.4.8",
  "slab",
- "tokio 0.2.21",
+ "tokio 0.2.22",
  "tokio-util",
+ "tracing",
 ]
 
 [[package]]
@@ -1518,7 +1468,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af92141a22acceb515fb6b13ac59d6d0b3dd3437e13832573af8e0d3247f29d5"
 dependencies = [
  "hashbrown 0.5.0",
- "log 0.4.8",
+ "log 0.4.11",
  "pest",
  "pest_derive",
  "quick-error",
@@ -1538,12 +1488,12 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.6.3"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e6073d0ca812575946eb5f35ff68dbe519907b25c42530389ff946dc84c6ead"
+checksum = "e91b62f79061a0bc2e046024cb7ba44b08419ed238ecbd9adbd787434b9e8c25"
 dependencies = [
  "ahash",
- "autocfg 0.1.7",
+ "autocfg 1.0.0",
 ]
 
 [[package]]
@@ -1557,9 +1507,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
@@ -1570,7 +1520,7 @@ version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c213fa6a618dc1da552f54f85cba74b05d8e883c92ec4e89067736938084c26e"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
  "mac",
  "markup5ever",
  "proc-macro2 0.4.30",
@@ -1595,7 +1545,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "fnv",
  "itoa",
 ]
@@ -1618,7 +1568,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "http 0.2.1",
 ]
 
@@ -1652,7 +1602,7 @@ dependencies = [
  "httparse",
  "iovec",
  "itoa",
- "log 0.4.8",
+ "log 0.4.11",
  "net2",
  "rustc_version",
  "time",
@@ -1669,25 +1619,25 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.13.6"
+version = "0.13.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6e7655b9594024ad0ee439f3b5a7299369dc2a3f459b47c696f9ff676f9aa1f"
+checksum = "3e68a8dd9716185d9e64ea473ea6ef63529252e3e27623295a0378a19665d5eb"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "futures-channel",
  "futures-core",
  "futures-util",
- "h2 0.2.5",
+ "h2 0.2.6",
  "http 0.2.1",
  "http-body 0.3.1",
  "httparse",
  "itoa",
- "log 0.4.8",
  "pin-project",
  "socket2",
  "time",
- "tokio 0.2.21",
+ "tokio 0.2.22",
  "tower-service",
+ "tracing",
  "want 0.3.0",
 ]
 
@@ -1728,11 +1678,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.4.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
+checksum = "86b45e59b16c76b11bf9738fd5d38879d3bd28ad292d7b313608becb17ae2df9"
 dependencies = [
  "autocfg 1.0.0",
+ "hashbrown 0.8.2",
 ]
 
 [[package]]
@@ -1751,9 +1702,9 @@ dependencies = [
 
 [[package]]
 name = "instant"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69da7ce1490173c2bf4d26bc8be429aaeeaf4cce6c4b970b7949651fa17655fe"
+checksum = "5b141fdc7836c525d4d594027d318c84161ca17aaf8113ab1f81ab93ae897485"
 
 [[package]]
 name = "iovec"
@@ -1781,9 +1732,9 @@ checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "js-sys"
-version = "0.3.41"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4b9172132a62451e56142bff9afc91c8e4a4500aa5b847da36815b63bfda916"
+checksum = "85a7e2c92a4804dd459b86c339278d0fe87cf93757fae222c3fa3ae75458bc73"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1809,10 +1760,10 @@ dependencies = [
  "bit-set",
  "diff",
  "docopt 1.1.0",
- "ena 0.14.0",
+ "ena",
  "itertools",
  "lalrpop-util",
- "petgraph 0.5.1",
+ "petgraph",
  "regex 1.3.9",
  "regex-syntax 0.6.18",
  "serde",
@@ -1840,9 +1791,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "a2f02823cf78b754822df5f7f268fb59822e7296276d3e069d8e8cb26a14bd10"
 
 [[package]]
 name = "linked-hash-map"
@@ -1858,7 +1809,7 @@ checksum = "9f7dddaf3ddd27cda3cadb710e17a80399d0393fb08e95a82403d746fe13c67c"
 dependencies = [
  "bytecount",
  "cargo_metadata 0.8.2",
- "error-chain 0.12.2",
+ "error-chain 0.12.4",
  "failure",
  "glob",
  "handlebars",
@@ -1879,9 +1830,9 @@ dependencies = [
 
 [[package]]
 name = "lock_api"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de302ce1fe7482db13738fbaf2e21cfb06a986b89c0bf38d88abf16681aada4e"
+checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
 dependencies = [
  "scopeguard",
 ]
@@ -1892,27 +1843,16 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "loom"
-version = "0.3.4"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ecc775857611e1df29abba5c41355cdf540e7e9d4acfdf0f355eefee82330b7"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
 dependencies = [
  "cfg-if",
- "generator",
- "scoped-tls",
 ]
 
 [[package]]
@@ -1972,9 +1912,9 @@ checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 
 [[package]]
 name = "memoffset"
-version = "0.5.4"
+version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
+checksum = "c198b026e1bbf08a937e94c6c60f9ec4a2267f5b0d2eec9c1b21b061ce2be55f"
 dependencies = [
  "autocfg 1.0.0",
 ]
@@ -1995,15 +1935,6 @@ dependencies = [
  "unicase",
 ]
 
-[[package]]
-name = "miniz_oxide"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
-dependencies = [
- "adler32",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.4.0"
@@ -2025,7 +1956,7 @@ dependencies = [
  "iovec",
  "kernel32-sys",
  "libc",
- "log 0.4.8",
+ "log 0.4.11",
  "miow 0.2.1",
  "net2",
  "slab",
@@ -2073,7 +2004,7 @@ checksum = "2b0d88c06fe90d5ee94048ba40409ef1d9315d86f6f38c2efdaad4fb50c58b2d"
 dependencies = [
  "lazy_static",
  "libc",
- "log 0.4.8",
+ "log 0.4.11",
  "openssl",
  "openssl-probe",
  "openssl-sys",
@@ -2222,19 +2153,13 @@ dependencies = [
 
 [[package]]
 name = "ordered-float"
-version = "1.1.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3741934be594d77de1c8461ebcbbe866f585ea616a9753aa78f2bdc69f0e4579"
+checksum = "9fe9037165d7023b1228bc4ae9a2fa1a2b0095eca6c2998c624723dfd01314a5"
 dependencies = [
  "num-traits",
 ]
 
-[[package]]
-name = "ordermap"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a86ed3f5f244b372d6b1a00b72ef7f8876d0bc6a78a4c9985c53614041512063"
-
 [[package]]
 name = "output_vt100"
 version = "0.1.2"
@@ -2262,7 +2187,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
 dependencies = [
  "instant",
- "lock_api 0.4.0",
+ "lock_api 0.4.1",
  "parking_lot_core 0.8.0",
 ]
 
@@ -2292,7 +2217,7 @@ dependencies = [
  "instant",
  "libc",
  "redox_syscall",
- "smallvec 1.4.0",
+ "smallvec 1.4.1",
  "winapi 0.3.9",
 ]
 
@@ -2335,9 +2260,9 @@ checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
 dependencies = [
  "pest",
  "pest_meta",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -2351,23 +2276,13 @@ dependencies = [
  "sha-1",
 ]
 
-[[package]]
-name = "petgraph"
-version = "0.4.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3659d1ee90221741f65dd128d9998311b0e40c5d3c23a62445938214abce4f"
-dependencies = [
- "fixedbitset 0.1.9",
- "ordermap",
-]
-
 [[package]]
 name = "petgraph"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "467d164a6de56270bd7c4d070df81d07beace25012d5103ced4e9ff08d6afdb7"
 dependencies = [
- "fixedbitset 0.2.0",
+ "fixedbitset",
  "indexmap",
 ]
 
@@ -2420,22 +2335,22 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12e3a6cdbfe94a5e4572812a0201f8c0ed98c1c452c7b8563ce2276988ef9c17"
+checksum = "ca4433fff2ae79342e497d9f8ee990d174071408f28f726d6d83af93e58e48aa"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
+checksum = "2c0e815c3ee9a031fdf5af21c10aa17c573c9c6a566328d99e3936c34e36461f"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -2452,9 +2367,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
 [[package]]
 name = "plotters"
@@ -2480,16 +2395,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
-[[package]]
-name = "pretty"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1891757f8427ce41706957fde1fec1b86aee3e335bd50320257705061507a24c"
-dependencies = [
- "arrayvec",
- "typed-arena 2.0.1",
-]
-
 [[package]]
 name = "pretty"
 version = "0.10.0"
@@ -2497,7 +2402,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad9940b913ee56ddd94aec2d3cd179dd47068236f42a1a6415ccf9d880ce2a61"
 dependencies = [
  "arrayvec",
- "typed-arena 2.0.1",
+ "typed-arena",
 ]
 
 [[package]]
@@ -2518,42 +2423,40 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aeccfe4d5d8ea175d5f0e4a2ad0637e0f4121d63bd99d356fb1f39ab2e7c6097"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
 name = "proc-macro-error"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc175e9777c3116627248584e8f8b3e2987405cabe1c0adf7d1dd28f09dc7880"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
  "proc-macro-error-attr",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
  "version_check",
 ]
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3cc9795ca17eb581285ec44936da7fc2335a3f34f2ddd13118b6f4d515435c50"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
- "syn-mid",
  "version_check",
 ]
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.16"
+version = "0.5.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e0456befd48169b9f13ef0f0ad46d492cf9d2dbb918bcf38e01eed4ce3ec5e4"
+checksum = "99c605b9a0adc77b7211c6b1f722dcb613d68d66859a44f3d485a6da332b0598"
 
 [[package]]
 name = "proc-macro-nested"
@@ -2572,9 +2475,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
 dependencies = [
  "unicode-xid 0.2.1",
 ]
@@ -2585,7 +2488,7 @@ version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3bbaa49075179162b49acac1c6aa45fb4dafb5f13cf6794276d77bc7fd95757b"
 dependencies = [
- "error-chain 0.12.2",
+ "error-chain 0.12.4",
  "idna 0.2.0",
  "lazy_static",
  "regex 1.3.9",
@@ -2605,9 +2508,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e142c3b8f49d2200605ee6ba0b1d757310e9e7a72afe78c36ee2ef67300ee00"
+checksum = "ca36dea94d187597e104a5c8e4b07576a8a45aa5db48a65e12940d3eb7461f55"
 dependencies = [
  "bitflags 1.2.1",
  "getopts",
@@ -2636,7 +2539,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
 ]
 
 [[package]]
@@ -2838,7 +2741,7 @@ checksum = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
 dependencies = [
  "crossbeam-deque",
  "crossbeam-queue",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "lazy_static",
  "num_cpus",
 ]
@@ -2854,9 +2757,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_users"
@@ -2962,7 +2865,7 @@ dependencies = [
  "http 0.1.21",
  "hyper 0.12.35",
  "hyper-tls",
- "log 0.4.8",
+ "log 0.4.11",
  "mime",
  "mime_guess",
  "native-tls",
@@ -3010,7 +2913,7 @@ dependencies = [
  "base64 0.11.0",
  "blake2b_simd",
  "constant_time_eq",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
 ]
 
 [[package]]
@@ -3041,21 +2944,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2c50b74badcddeb8f7652fa8323ce440b95286f8e4b64ebfd871c609672704e"
 dependencies = [
  "anyhow",
- "log 0.4.8",
+ "log 0.4.11",
  "serde",
  "serde_json",
 ]
 
 [[package]]
 name = "rustyline"
-version = "6.1.2"
+version = "6.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd20b28d972040c627e209eb29f19c24a71a19d661cc5a220089176e20ee202"
+checksum = "3358c21cbbc1a751892528db4e1de4b7a2b6a73f001e215aaba97d712cfa9777"
 dependencies = [
  "cfg-if",
- "dirs 2.0.2",
+ "dirs-next",
  "libc",
- "log 0.4.8",
+ "log 0.4.11",
  "memchr 2.3.3",
  "nix 0.17.0",
  "scopeguard",
@@ -3090,12 +2993,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "scoped-tls"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "332ffa32bf586782a3efaeb58f127980944bbc8c4d6913a86107ac2a5ab24b28"
-
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -3166,9 +3063,9 @@ version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -3177,16 +3074,16 @@ version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a401fb412de4353f1045d7491ee848b00ccb458638ff9dda94922059f01f3bf"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.56"
+version = "1.0.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3433e879a558dde8b5e8feb2a04899cf34fdde1fafb894687e52105fc1162ac3"
+checksum = "164eacbdb13512ec2745fb09d51fd5b22b0d65ed294a1dcf7285a360c80a675c"
 dependencies = [
  "itoa",
  "ryu",
@@ -3262,9 +3159,9 @@ dependencies = [
 
 [[package]]
 name = "signal-hook-registry"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94f478ede9f64724c5d173d7bb56099ec3e2d9fc2774aac65d34b8b890405f41"
+checksum = "a3e12110bc539e657a646068aaf5eb5b63af9d0c1f7b29c97113fad80e15f035"
 dependencies = [
  "arc-swap",
  "libc",
@@ -3299,9 +3196,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
 
 [[package]]
 name = "socket2"
@@ -3366,7 +3263,7 @@ checksum = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
 dependencies = [
  "phf_generator",
  "phf_shared 0.7.24",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
  "string_cache_shared",
 ]
@@ -3395,15 +3292,21 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
 [[package]]
 name = "structopt"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de2f5e239ee807089b62adce73e48c625e0ed80df02c7ab3f068f5db5281065c"
+checksum = "de5472fb24d7e80ae84a7801b7978f95a19ec32cb1876faea59ab711eb901976"
 dependencies = [
  "clap",
  "lazy_static",
- "structopt-derive 0.4.8",
+ "structopt-derive 0.4.9",
 ]
 
 [[package]]
@@ -3414,22 +3317,22 @@ checksum = "ea692d40005b3ceba90a9fe7a78fa8d4b82b0ce627eebbffc329aab850f3410e"
 dependencies = [
  "heck",
  "proc-macro-error 0.2.6",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "510413f9de616762a4fbeab62509bf15c729603b72d7cd71280fbca431b1c118"
+checksum = "1e0eb37335aeeebe51be42e2dc07f031163fbabfa6ac67d7ea68b5c2f68d5f99"
 dependencies = [
  "heck",
- "proc-macro-error 1.0.3",
- "proc-macro2 1.0.18",
+ "proc-macro-error 1.0.4",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -3445,35 +3348,24 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.33"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8d5d96e8cbb005d6959f119f773bfaebb5684296108fb32600c00cde305b2cd"
+checksum = "e69abc24912995b3038597a7a593be5053eb0fb44f3cc5beec0deb421790c1f4"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
  "unicode-xid 0.2.1",
 ]
 
-[[package]]
-name = "syn-mid"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
-dependencies = [
- "proc-macro2 1.0.18",
- "quote 1.0.7",
- "syn 1.0.33",
-]
-
 [[package]]
 name = "synstructure"
 version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
  "unicode-xid 0.2.1",
 ]
 
@@ -3536,7 +3428,7 @@ dependencies = [
  "structopt",
  "structopt-derive 0.3.5",
  "termcolor",
- "tokio 0.2.21",
+ "tokio 0.2.22",
 ]
 
 [[package]]
@@ -3571,9 +3463,9 @@ dependencies = [
 
 [[package]]
 name = "terminal_size"
-version = "0.1.12"
+version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8038f95fc7a6f351163f4b964af631bd26c9e828f7db085f2a84aca56f70d13b"
+checksum = "9a14cd9f8c72704232f0bfc8455c0e861f0ad4eb60cc9ec8a170e231414c1e13"
 dependencies = [
  "libc",
  "winapi 0.3.9",
@@ -3623,9 +3515,9 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -3712,11 +3604,11 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.2.21"
+version = "0.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d099fa27b9702bed751524694adbe393e18b36b204da91eb1cbbbbb4a5ee2d58"
+checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "iovec",
@@ -3760,7 +3652,7 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb2d1b8f4548dbf5e1f7818512e9c406860678f29c300cdf0ebac72d1a3a1671"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures 0.1.29",
 ]
 
@@ -3772,7 +3664,7 @@ checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
 dependencies = [
  "bytes 0.4.12",
  "futures 0.1.29",
- "log 0.4.8",
+ "log 0.4.11",
 ]
 
 [[package]]
@@ -3781,9 +3673,9 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
 ]
 
 [[package]]
@@ -3793,7 +3685,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd608593a919a8e05a7d1fc6df885e40f6a88d3a70a3a7eff23ff27964eda069"
 dependencies = [
  "native-tls",
- "tokio 0.2.21",
+ "tokio 0.2.22",
 ]
 
 [[package]]
@@ -3802,10 +3694,10 @@ version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09bc590ec4ba8ba87652da2068d150dcada2cfa2e07faae270a5e0409aa51351"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures 0.1.29",
  "lazy_static",
- "log 0.4.8",
+ "log 0.4.11",
  "mio",
  "num_cpus",
  "parking_lot 0.9.0",
@@ -3847,10 +3739,10 @@ checksum = "df720b6581784c118f0eb4310796b12b1d242a7eb95f716a8367855325c25f89"
 dependencies = [
  "crossbeam-deque",
  "crossbeam-queue",
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures 0.1.29",
  "lazy_static",
- "log 0.4.8",
+ "log 0.4.11",
  "num_cpus",
  "slab",
  "tokio-executor",
@@ -3862,7 +3754,7 @@ version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93044f2d313c95ff1cb7809ce9a7a05735b012288a888b62d4434fd58c94f296"
 dependencies = [
- "crossbeam-utils 0.7.2",
+ "crossbeam-utils",
  "futures 0.1.29",
  "slab",
  "tokio-executor",
@@ -3874,12 +3766,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
- "bytes 0.5.5",
+ "bytes 0.5.6",
  "futures-core",
  "futures-sink",
- "log 0.4.8",
+ "log 0.4.11",
  "pin-project-lite",
- "tokio 0.2.21",
+ "tokio 0.2.22",
 ]
 
 [[package]]
@@ -3888,11 +3780,31 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
+[[package]]
+name = "tracing"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0aae59226cf195d8e74d4b34beae1859257efb4e5fed3f147d2dc2c7d372178"
+dependencies = [
+ "cfg-if",
+ "log 0.4.11",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d593f98af59ebc017c0648f0117525db358745a8894a8d684e185ba3f45954f9"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "try-lock"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "try_from"
@@ -3903,12 +3815,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "typed-arena"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
-
 [[package]]
 name = "typed-arena"
 version = "2.0.1"
@@ -4081,7 +3987,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6395efa4784b027708f7451087e647ec73cc74f5d9bc2e418404248d679a230"
 dependencies = [
  "futures 0.1.29",
- "log 0.4.8",
+ "log 0.4.11",
  "try-lock",
 ]
 
@@ -4091,7 +3997,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
  "try-lock",
 ]
 
@@ -4103,9 +4009,9 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.64"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
+checksum = "f0563a9a4b071746dd5aedbc3a28c6fe9be4586fb3fbadb67c400d4f53c6b16c"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -4113,24 +4019,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.64"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e53963b583d18a5aa3aaae4b4c1cb535218246131ba22a71f05b518098571df"
+checksum = "bc71e4c5efa60fb9e74160e89b93353bc24059999c0ae0fb03affc39770310b0"
 dependencies = [
  "bumpalo",
  "lazy_static",
- "log 0.4.8",
- "proc-macro2 1.0.18",
+ "log 0.4.11",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.64"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
+checksum = "97c57cefa5fa80e2ba15641578b44d36e7a64279bc5ed43c6dbaf329457a2ed2"
 dependencies = [
  "quote 1.0.7",
  "wasm-bindgen-macro-support",
@@ -4138,28 +4044,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.64"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9adff9ee0e94b926ca81b57f57f86d5545cdcb1d259e21ec9bdd95b901754c75"
+checksum = "841a6d1c35c6f596ccea1f82504a192a60378f64b3bb0261904ad8f2f5657556"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.38",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.64"
+version = "0.2.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
+checksum = "93b162580e34310e5931c4b792560108b10fd14d64915d7fff8ff00180e70092"
 
 [[package]]
 name = "web-sys"
-version = "0.3.41"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "863539788676619aac1a23e2df3655e96b32b0e05eb72ca34ba045ad573c625d"
+checksum = "dda38f4e5ca63eda02c059d243aa25b5f35ab98451e518c51612cd0f1bd19a47"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/base/Cargo.toml b/base/Cargo.toml
index 06c57607dc..7ccfe01d9e 100644
--- a/base/Cargo.toml
+++ b/base/Cargo.toml
@@ -17,21 +17,21 @@ travis-ci = { repository = "gluon-lang/gluon" }
 
 [dependencies]
 bitflags = "1"
-hashbrown = "0.6"
+hashbrown = "0.8"
 log = "0.4"
 quick-error = "1.0.0"
 fnv = "1.0.3"
 pretty = "0.10"
-smallvec = "0.6"
+smallvec = "1"
 collect-mac = "0.1.0"
 anymap = { version = "0.12.0", optional = true }
 itertools = "0.9"
-ordered-float = "1"
+ordered-float = "2"
 codespan = "0.9"
 codespan-reporting = "0.9"
 either = "1"
 vec_map = "0.8"
-typed-arena = "1"
+typed-arena = "2"
 
 gluon_codegen = { version = "0.16.1", path = "../codegen" } # GLUON
 
diff --git a/check/Cargo.toml b/check/Cargo.toml
index dd73354d7a..d8cfb78a83 100644
--- a/check/Cargo.toml
+++ b/check/Cargo.toml
@@ -17,18 +17,18 @@ travis-ci = { repository = "gluon-lang/gluon" }
 
 [dependencies]
 collect-mac = "0.1.0"
-ena = "0.13"
+ena = "0.14"
 log = "0.4"
 itertools = "0.9"
 pretty = "0.10"
-smallvec = "0.6"
+smallvec = "1"
 rpds = "0.7"
 quick-error = "1"
 
 codespan = "0.9"
 codespan-reporting = "0.9"
 
-strsim = "0.9.0"
+strsim = "0.10"
 
 gluon_base = { path = "../base", version = "0.16.1" } # GLUON
 gluon_codegen = { path = "../codegen", version = "0.16.1" } # GLUON
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 8771d49780..cf49b8c7a2 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -23,9 +23,8 @@ itertools = "0.9"
 quick-error = "1.0.0"
 lalrpop-util = "0.19"
 log = "0.4"
-pretty = "0.9"
 gluon_base = { path = "../base", version = "0.16.1" } # GLUON
-ordered-float = "1"
+ordered-float = "2"
 codespan = "0.9"
 codespan-reporting = "0.9"
 
diff --git a/parser/src/grammar.lalrpop b/parser/src/grammar.lalrpop
index a0a30da721..e472311e4b 100644
--- a/parser/src/grammar.lalrpop
+++ b/parser/src/grammar.lalrpop
@@ -1,6 +1,6 @@
 use std::{str::FromStr, mem};
 
-use crate::itertools::{Either, Itertools};
+use itertools::{Either, Itertools};
 
 use crate::base::{
     ast::{self, Alternative, Argument, Array, AstType, Do, Expr, ExprField, KindedIdent, Lambda, Literal, Pattern,
@@ -13,7 +13,7 @@ use crate::base::{
 
 use crate::{ReplLine, Variant, new_ident};
 use crate::token::{Token, BorrowedToken, StringLiteral};
-use crate::ordered_float::NotNan;
+use ordered_float::NotNan;
 
 use crate::{Error, ErrorEnv, FieldExpr, MutIdentEnv, TempVecs, TempVecStart, Slice};
 
diff --git a/parser/src/lib.rs b/parser/src/lib.rs
index 8554865411..1ffe3d6e1e 100644
--- a/parser/src/lib.rs
+++ b/parser/src/lib.rs
@@ -3,17 +3,11 @@
 //! string interner and therefore also garbage collector needs to compiled before the parser.
 #![doc(html_root_url = "https://docs.rs/gluon_parser/0.16.1")] // # GLUON
 
-extern crate codespan;
-extern crate codespan_reporting;
-extern crate collect_mac;
 extern crate gluon_base as base;
-extern crate itertools;
 #[macro_use]
 extern crate lalrpop_util;
 #[macro_use]
 extern crate log;
-extern crate ordered_float;
-extern crate pretty;
 #[macro_use]
 extern crate quick_error;
 
diff --git a/vm/Cargo.toml b/vm/Cargo.toml
index 56be69f6ce..21a9f6ec30 100644
--- a/vm/Cargo.toml
+++ b/vm/Cargo.toml
@@ -24,21 +24,21 @@ codespan-reporting = "0.9"
 collect-mac = "0.1.0"
 downcast-rs = "1"
 difference = { version = "2", optional = true }
-crossbeam-utils = "0.6"
+crossbeam-utils = "0.7"
 frunk_core = "0.3"
 futures = { version = "0.3.1", features = ["compat", "async-await"] }
 itertools = "0.9"
 lalrpop-util = { version = "0.19", optional = true }
 log = "0.4"
-ordered-float = "1"
-parking_lot = "0.9"
-petgraph = "0.4"
+ordered-float = "2"
+parking_lot = "0.11"
+petgraph = "0.5"
 pretty = "0.10"
 quick-error = "1.1.0"
 regex = { version = "1", optional = true }
-smallvec = "0.6"
+smallvec = "1"
 slab = "0.4"
-typed-arena = "1.2.0"
+typed-arena = "2"
 
 serde = { version = "1.0.0", optional = true }
 serde_json = { version = "1.0.0", optional = true }
diff --git a/vm/src/core/mod.rs b/vm/src/core/mod.rs
index 689c2c848b..23c03f5f77 100644
--- a/vm/src/core/mod.rs
+++ b/vm/src/core/mod.rs
@@ -668,7 +668,7 @@ impl<T> ArenaExt<T> for Arena<T> {
         I: IntoIterator<Item = T>,
         T: Default,
     {
-        use std::ptr;
+        use std::{mem::MaybeUninit, ptr};
 
         let iter = iter.into_iter();
 
@@ -694,7 +694,7 @@ impl<T> ArenaExt<T> for Arena<T> {
             let elems = self.alloc_uninitialized(len);
 
             {
-                let elems = elems as *mut T;
+                let elems = elems as *mut _ as *mut MaybeUninit<T>;
                 let mut fill = FillRemainingOnDrop {
                     ptr: elems as *mut T,
                     end: elems.add(len) as *mut T,
@@ -707,6 +707,7 @@ impl<T> ArenaExt<T> for Arena<T> {
                 }
             }
 
+            let elems = elems as *mut _ as *mut [T];
             &mut *elems
         }
     }
@@ -1061,7 +1062,7 @@ impl<'a, 'e> Translator<'a, 'e> {
                     let mut reordered_args = SmallVec::<[_; 16]>::new();
 
                     let mut overridden_fields = FnvMap::default();
-                    for (field, arg) in exprs.iter().zip(args.drain()) {
+                    for (field, arg) in exprs.iter().zip(args.drain(..)) {
                         let field_name = field.name.value.declared_name();
                         if base_fields.contains(field_name) {
                             overridden_fields.insert(field_name, arg);