chore(tests) update trap regexes for new format

The complete backtrace is tested in 006-backtraces_directives.t. All
other traps only test `[crit]` and the trap message, which are now in 2
different lines. This update makes trap testing across the tests much
more resilient to future changes.

t/01-wasm/directives/006-backtraces_directive.t

@@ -53,7 +53,8 @@ qq{
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmtime with compiler: "auto" \(backtraces: 0\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] error while executing at wasm backtrace:/,
     qr#    0: 0x[0-9a-f]+ - <unknown>!__rust_start_panic#,
     qr#    1: 0x[0-9a-f]+ - <unknown>!rust_panic#,
@@ -72,7 +73,7 @@ qq{
 ]
 --- no_access_log eval
 my @checks;
-for my $i (20..$::n) {
+for my $i (21..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -100,7 +101,8 @@ qq{
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmtime with compiler: "cranelift" \(backtraces: 1\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] error while executing at wasm backtrace:/,
     qr#    0: 0x[0-9a-f]+ - .*?abort#,
     qr#                    at /rustc/[0-9a-f]+/library/panic_abort/src/lib.rs:[0-9]+:[0-9]+ *- __rust_start_panic#,
@@ -122,7 +124,7 @@ qq{
 ]
 --- no_error_log eval
 my @checks;
-for my $i (23..$::n) {
+for my $i (24..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -150,7 +152,8 @@ qq{
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmer with compiler: "auto" \(backtraces: 0\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] unreachable/,
     qr/Backtrace:/,
     qr#	0: func [0-9]+ @ 0x[0-9a-f]+#,
@@ -166,7 +169,7 @@ qq{
 ]
 --- no_error_log eval
 my @checks;
-for my $i (17..$::n) {
+for my $i (18..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -195,7 +198,8 @@ qr/500 Internal Server Error/
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmer with compiler: "cranelift" \(backtraces: 1\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] unreachable/,
     qr/Backtrace:/,
     qr#	0: __rust_start_panic @ 0x[0-9a-f]+#,
@@ -210,7 +214,7 @@ qr/500 Internal Server Error/
 ]
 --- no_error_log eval
 my @checks;
-for my $i (16..$::n) {
+for my $i (17..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -238,7 +242,8 @@ qq{
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmer with compiler: "singlepass" \(backtraces: 1\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] unreachable/,
     qr/Backtrace:/,
     qr#	0: __rust_start_panic @ 0x[0-9a-f]+#,
@@ -254,7 +259,7 @@ qq{
 ]
 --- no_error_log eval
 my @checks;
-for my $i (17..$::n) {
+for my $i (18..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -283,7 +288,8 @@ qq{
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using wasmer with compiler: "llvm" \(backtraces: 1\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] unreachable/,
     qr/Backtrace:/,
     qr#	0: __rust_start_panic @ 0x[0-9a-f]+#,
@@ -299,7 +305,7 @@ qq{
 ]
 --- no_error_log eval
 my @checks;
-for my $i (17..$::n) {
+for my $i (18..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -328,7 +334,8 @@ qr/500 Internal Server Error/
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using v8 with compiler: "auto" \(backtraces: 0\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] Uncaught RuntimeError: unreachable/,
     qr/Backtrace:/,
     qr#	0: func [0-9]+ @ 0x[0-9a-f]+#,
@@ -344,7 +351,7 @@ qr/500 Internal Server Error/
 ]
 --- no_error_log eval
 my @checks;
-for my $i (17..$::n) {
+for my $i (18..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]
@@ -373,7 +380,8 @@ qr/500 Internal Server Error/
 --- error_log eval
 [
     qr/\[info\] .*? \[wasm\] using v8 with compiler: "auto" \(backtraces: 1\)/,
-    qr/\[crit\] .*? panicked at 'trap'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
     qr/\[error\] .*? \[wasm\] Uncaught RuntimeError: unreachable/,
     qr/Backtrace:/,
     qr#	0: __rust_start_panic @ 0x[0-9a-f]+#,
@@ -389,7 +397,7 @@ qr/500 Internal Server Error/
 ]
 --- no_error_log eval
 my @checks;
-for my $i (17..$::n) {
+for my $i (18..$::n) {
     push(@checks, "stub$i\n");
 }
 [@checks]

t/03-proxy_wasm/002-on_root_phases_failures.t

@@ -31,8 +31,8 @@ qq{
     }
 --- error_log eval
 [
-    qr/\[crit\] .*? panicked at 'trap on_vm_start'/,
-    qr/(\[error\] .*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed)/,
+    qr/\[crit\] .*? panicked at/,
+    qr/trap on_vm_start/,
     qr/\[emerg\] .*? failed initializing "hostcalls" filter \(initialization failed\)/,
 ]
 --- must_die: 2
@@ -84,8 +84,8 @@ qq{
     }
 --- error_log eval
 [
-    qr/\[crit\] .*? panicked at 'trap on_configure'/,
-    qr/(\[error\] .*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed)/,
+    qr/\[crit\] .*? panicked at/,
+    qr/trap on_configure/,
     qr/\[emerg\] .*? failed initializing "hostcalls" filter \(initialization failed\)/,
 ]
 --- must_die: 2

t/03-proxy_wasm/005-on_http_phases_failures.t

@@ -24,8 +24,8 @@ __DATA__
 --- response_body
 --- error_log eval
 [
-    qr/\[crit\] .*? panicked at 'trap'/,
-    qr/(\[error\] .*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed)/
+    qr/\[crit\] .*? panicked at/,
+    qr/custom trap/,
 ]
 --- no_error_log
 [emerg]

t/03-proxy_wasm/hfuncs/100-proxy_log.t

@@ -92,8 +92,8 @@ C
 --- error_log eval
 [
     qr/\[alert\] .*? NYI - proxy_log bad log_level: 100/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
-    qr/(\[error\] .*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed)/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]
 --- no_error_log
 [emerg]

t/03-proxy_wasm/hfuncs/102-proxy_send_local_response.t

@@ -69,8 +69,8 @@ should produce error page content from a panic, not from echo
 --- response_body_like: 500 Internal Server Error
 --- error_log eval
 [
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
-    qr/(\[error\] .*?unreachable|wasm trap: wasm `unreachable` instruction executed).*/
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]
 --- no_error_log
 [alert]

t/03-proxy_wasm/hfuncs/115-proxy_get_http_response_body.t

@@ -139,7 +139,6 @@ Hello world
 --- error_log eval
 [
     qr/on_response_body, 12 bytes, eof: false/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/
 ]
---- no_error_log
-[alert]

t/03-proxy_wasm/hfuncs/119-proxy_properties_get_ngx.t

@@ -152,6 +152,6 @@ is global (single instance for root/request).
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot get ngx properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]

t/03-proxy_wasm/hfuncs/120-proxy_properties_get_host.t

@@ -149,8 +149,8 @@ is global (single instance for root/request).
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot get host properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
 --- no_error_log
 [emerg]
@@ -178,6 +178,6 @@ HTTP 200 since the root and request instances are different.
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot get host properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]

t/03-proxy_wasm/hfuncs/121-proxy_properties_set.t

@@ -29,10 +29,9 @@ qq{
 --- error_log eval
 [
     qr/\[error\] .*? variable "request_uri" is not changeable/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
---- no_error_log
-[emerg]
 
 
 
@@ -56,7 +55,9 @@ forward the NotFound status back to the caller.
 --- error_code: 500
 --- response_body_like eval: qr/500 Internal Server Error/
 --- error_log eval
-qr/\[crit\] .*? panicked at 'unexpected status: 1'/
+[
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 1/
+]
 --- no_error_log
 [emerg]
-[alert]

t/03-proxy_wasm/hfuncs/122-proxy_properties_set_host.t

@@ -163,8 +163,8 @@ isolation is global (single instance for root/request).
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot set host properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
 --- no_error_log
 [emerg]
@@ -199,8 +199,8 @@ ngx_http_* calls.
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot set host properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
 --- no_error_log
 [emerg]

t/03-proxy_wasm/hfuncs/123-proxy_properties_set_ngx.t

@@ -154,10 +154,9 @@ GET /t?hello=world
 --- error_log eval
 [
     qr/\[error\] .*? variable "query_string" is not changeable/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
---- no_error_log
-[emerg]
 
 
 
@@ -181,10 +180,12 @@ forward the NotFound status back to the caller.
 --- error_code: 500
 --- response_body_like eval: qr/500 Internal Server Error/
 --- error_log eval
-qr/\[crit\] .*? panicked at 'unexpected status: 1'/
+[
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 1/
+]
 --- no_error_log
 [emerg]
-[alert]
 
 
 
@@ -216,8 +217,8 @@ request, and isolation is global (single instance for root/request)
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot set ngx properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]
 
 
@@ -250,6 +251,6 @@ HTTP 200 since the root and request instances are different.
 [
     qr/\[info\] .*? \[hostcalls\] on_tick/,
     qr/\[error\] .*? cannot set ngx properties outside of a request/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 10'/,
-    qr/(.*?(Uncaught RuntimeError: )?unreachable|wasm trap: wasm `unreachable` instruction executed).*/
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 10/,
 ]

t/03-proxy_wasm/hfuncs/130-proxy_dispatch_http.t

@@ -873,8 +873,8 @@ tcp socket trying to receive data (max: 1017)
 --- response_body_like: 500 Internal Server Error
 --- error_log eval
 [
-    qr/panicked at 'trap!'/,
-    qr/(\[error\]|Uncaught RuntimeError|\s+).*?unreachable/
+    qr/\[crit\] .*? panicked at/,
+    qr/trap!/,
 ]
 
 

t/03-proxy_wasm/hfuncs/200-buffers_and_maps_bad_args.t

@@ -4,7 +4,7 @@ use strict;
 use lib '.';
 use t::TestWasm;
 
-plan tests => repeat_each() * (blocks() * 4);
+plan tests => repeat_each() * (blocks() * 5);
 
 run_tests();
 
@@ -23,7 +23,8 @@ __DATA__
 --- error_log eval
 [
     qr/\[alert\] .*? NYI - set_buffer bad buf_type: 100/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]
 
 
@@ -41,7 +42,8 @@ __DATA__
 --- error_log eval
 [
     qr/\[alert\] .*? NYI - get_buffer bad buf_type: 100/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]
 
 
@@ -59,7 +61,8 @@ __DATA__
 --- error_log eval
 [
     qr/\[alert\] .*? NYI - set_map bad map_type: 100/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]
 
 
@@ -77,5 +80,6 @@ __DATA__
 --- error_log eval
 [
     qr/\[alert\] .*? NYI - get_map bad map_type: 100/,
-    qr/\[crit\] .*? panicked at 'unexpected status: 2'/,
+    qr/\[crit\] .*? panicked at/,
+    qr/unexpected status: 2/,
 ]