ci: bump unit test timeouts

ci/riscv64-linux-debug.sh

@@ -52,4 +52,4 @@ stage3-debug/bin/zig build test-cases test-modules test-unit test-c-abi test-sta
   -Dtarget=native-native-musl \
   --search-prefix "$PREFIX" \
   --zig-lib-dir "$PWD/../lib" \
-  --test-timeout-ms 60_000
+  --test-timeout-ms 120_000

ci/riscv64-linux-release.sh

@@ -52,4 +52,4 @@ stage3-release/bin/zig build test-cases test-modules test-unit test-c-abi test-s
   -Dtarget=native-native-musl \
   --search-prefix "$PREFIX" \
   --zig-lib-dir "$PWD/../lib" \
-  --test-timeout-ms 60_000
+  --test-timeout-ms 120_000

ci/x86_64-linux-debug-llvm.sh

@@ -62,4 +62,4 @@ stage3-debug/bin/zig build test docs \
   --search-prefix "$PREFIX" \
   --zig-lib-dir "$PWD/../lib" \
   -Denable-superhtml \
-  --test-timeout-ms 60_000
+  --test-timeout-ms 240_000

ci/x86_64-linux-debug.sh

@@ -62,4 +62,4 @@ stage3-debug/bin/zig build test docs \
   --search-prefix "$PREFIX" \
   --zig-lib-dir "$PWD/../lib" \
   -Denable-superhtml \
-  --test-timeout-ms 60_000
+  --test-timeout-ms 240_000

ci/x86_64-linux-release.sh

@@ -64,7 +64,7 @@ stage3-release/bin/zig build test docs \
   --search-prefix "$PREFIX" \
   --zig-lib-dir "$PWD/../lib" \
   -Denable-superhtml \
-  --test-timeout-ms 60_000
+  --test-timeout-ms 240_000
 
 # Ensure that stage3 and stage4 are byte-for-byte identical.
 stage3-release/bin/zig build \

ci/x86_64-windows-debug.ps1

@@ -60,7 +60,7 @@ Write-Output "Main test suite..."
   -Dskip-non-native `
   -Dskip-release `
   -Denable-symlinks-windows `
-  --test-timeout-ms 60_000
+  --test-timeout-ms 240_000
 CheckLastExitCode
 
 Write-Output "Build x86_64-windows-msvc behavior tests using the C backend..."

ci/x86_64-windows-release.ps1

@@ -59,7 +59,7 @@ Write-Output "Main test suite..."
   -Dstatic-llvm `
   -Dskip-non-native `
   -Denable-symlinks-windows `
-  --test-timeout-ms 60_000
+  --test-timeout-ms 240_000
 CheckLastExitCode
 
 # Ensure that stage3 and stage4 are byte-for-byte identical.

lib/std/Build/Step/Run.zig

@@ -1814,7 +1814,7 @@ fn pollZigTest(
     // test. For instance, if the test runner leaves this much time between us requesting a test to
     // start and it acknowledging the test starting, we terminate the child and raise an error. This
     // *should* never happen, but could in theory be caused by some very unlucky IB in a test.
-    const response_timeout_ns = 30 * std.time.ns_per_s;
+    const response_timeout_ns = options.unit_test_timeout_ns orelse 60 * std.time.ns_per_s;
 
     const stdout = poller.reader(.stdout);
     const stderr = poller.reader(.stderr);