Update to the latest nightly Rust. (#249)

* Update to the latest nightly Rust.

* Updates for Rust changes.

.github/workflows/main.yml

@@ -30,12 +30,12 @@ jobs:
         include:
           - build: ubuntu
             os: ubuntu-latest
-            rust: nightly-2024-10-06
+            rust: nightly-2025-01-02
             host_target: x86_64-unknown-linux-gnu
             mustang_target: x86_64-mustang-linux-gnu
           - build: i686-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-06
+            rust: nightly-2025-01-02
             target: i686-unknown-linux-gnu
             gcc_package: gcc-i686-linux-gnu
             gcc: i686-linux-gnu-gcc
@@ -44,7 +44,7 @@ jobs:
             mustang_target: i686-mustang-linux-gnu
           - build: aarch64-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-06
+            rust: nightly-2025-01-02
             target: aarch64-unknown-linux-gnu
             gcc_package: gcc-aarch64-linux-gnu
             gcc: aarch64-linux-gnu-gcc
@@ -54,7 +54,7 @@ jobs:
             mustang_target: aarch64-mustang-linux-gnu
           - build: riscv64-linux
             os: ubuntu-latest
-            rust: nightly-2024-10-06
+            rust: nightly-2025-01-02
             target: riscv64gc-unknown-linux-gnu
             gcc_package: gcc-riscv64-linux-gnu
             gcc: riscv64-linux-gnu-gcc
@@ -138,22 +138,22 @@ jobs:
 
     - name: Install rust-src
       run: |
-        rustup component add rust-src --toolchain nightly-2024-10-06-x86_64-unknown-linux-gnu
+        rustup component add rust-src --toolchain nightly-2025-01-02-x86_64-unknown-linux-gnu
 
     - name: cargo check non-mustang
       run: |
         # Check that the code compiles on non-mustang targets.
-        cargo +nightly-2024-10-06 check --all --target=${{ matrix.host_target }}
+        cargo +nightly-2025-01-02 check --all --target=${{ matrix.host_target }}
 
     - name: cargo test
       run: |
-        cargo +nightly-2024-10-06 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
+        cargo +nightly-2025-01-02 test --verbose -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json -- ${{ matrix.test_args }} -- --nocapture
       env:
         RUST_BACKTRACE: 1
 
     - name: cargo test --release
       run: |
-        cargo +nightly-2024-10-06 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
+        cargo +nightly-2025-01-02 test --verbose --release -Z build-std --target=target-specs/${{ matrix.mustang_target }}.json  -- ${{ matrix.test_args }}
       env:
         RUST_BACKTRACE: 1
 
@@ -181,20 +181,20 @@ jobs:
     - name: test mustang-nostd as program
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-10-06 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2025-01-02 run -Zbuild-std=core,alloc --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-nostd as tests
       working-directory: example-crates/mustang-nostd
       run: |
-        cargo +nightly-2024-10-06 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2025-01-02 test -Zbuild-std=core,alloc,test,std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1
 
     - name: test mustang-custom-allocator as tests
       working-directory: example-crates/mustang-custom-allocator
       run: |
-        cargo +nightly-2024-10-06 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
+        cargo +nightly-2025-01-02 run -Zbuild-std --target=../../target-specs/${{ matrix.mustang_target }}.json
       env:
         RUST_BACKTRACE: 1

Cargo.toml

@@ -13,7 +13,7 @@ exclude = ["/.github", "ci"]
 keywords = ["linux"]
 
 [target.'cfg(target_vendor = "mustang")'.dependencies]
-c-gull = { version = "0.20.3", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates"] }
+c-gull = { version = "0.21.0", default-features = false, features = ["take-charge", "call-main", "malloc-via-crates"] }
 
 [dev-dependencies]
 similar-asserts = "1.1.0"

README.md

@@ -182,7 +182,6 @@ Let's find out! Come say hi in the [chat] or an [issue].
  - Create a target file in `mustang/target-specs`, by first following
    [these instructions] to generate a specification of a built-in target,
    and then:
-     - change `is-builtin` to false
      - change `dynamic-linking` to false
      - add `-nostartfiles` and `-Wl,--undefined=_Unwind_Backtrace` to
        pre-link-args

target-specs/aarch64-mustang-linux-gnu.json

@@ -7,7 +7,6 @@
   "features": "+v8a,+outline-atomics",
   "has-rpath": true,
   "has-thread-local": true,
-  "is-builtin": false,
   "llvm-target": "aarch64-unknown-linux-gnu",
   "max-atomic-width": 128,
   "os": "linux",

target-specs/armv5te-mustang-linux-gnueabi.json

@@ -9,7 +9,6 @@
   "has-rpath": true,
   "has-thread-local": true,
   "has-thumb-interworking": true,
-  "is-builtin": false,
   "llvm-target": "armv5te-unknown-linux-gnueabi",
   "max-atomic-width": 32,
   "os": "linux",

target-specs/i686-mustang-linux-gnu.json

@@ -7,7 +7,6 @@
   "env": "gnu",
   "has-rpath": true,
   "has-thread-local": true,
-  "is-builtin": false,
   "llvm-target": "i686-unknown-linux-gnu",
   "max-atomic-width": 64,
   "os": "linux",

target-specs/riscv64gc-mustang-linux-gnu.json

@@ -9,7 +9,6 @@
   "features": "+m,+a,+f,+d,+c",
   "has-rpath": true,
   "has-thread-local": true,
-  "is-builtin": false,
   "llvm-abiname": "lp64d",
   "llvm-target": "riscv64-unknown-linux-gnu",
   "max-atomic-width": 64,

target-specs/x86_64-mustang-linux-gnu.json

@@ -7,7 +7,6 @@
   "env": "gnu",
   "has-rpath": true,
   "has-thread-local": true,
-  "is-builtin": false,
   "llvm-target": "x86_64-unknown-linux-gnu",
   "max-atomic-width": 64,
   "os": "linux",

tests/examples.rs

@@ -39,7 +39,7 @@ fn test_example(name: &str, features: &str, stdout: &str, stderr: &str) {
 
     let mut command = Command::new("cargo");
     if which::which("rustup").is_ok() {
-        command.arg("+nightly-2024-10-06");
+        command.arg("+nightly-2025-01-02");
     }
     command.arg("run").arg("--quiet");
     if !features.is_empty() {

tests/net-ip.rs

@@ -3,9 +3,6 @@
 //! c1a5ec7faf6c32af2f0aae1af4420e1bb1a3a7fe.
 
 #![feature(ip)]
-#![feature(const_ip)]
-#![feature(const_ipv4)]
-#![feature(const_ipv6)]
 
 mustang::can_run_this!();