[INFO] fetching crate serial_test 3.2.0... [INFO] testing serial_test-3.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate serial_test 3.2.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate serial_test 3.2.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate serial_test 3.2.0 [INFO] tweaked toml for crates.io crate serial_test 3.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate serial_test 3.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding scc v2.4.0 (available: v3.1.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c6f5c61215483777170d3aa696d4f6402e3e98aa7d936138ab9be80ad7f10d1 [INFO] running `Command { std: "docker" "start" "-a" "7c6f5c61215483777170d3aa696d4f6402e3e98aa7d936138ab9be80ad7f10d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c6f5c61215483777170d3aa696d4f6402e3e98aa7d936138ab9be80ad7f10d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c6f5c61215483777170d3aa696d4f6402e3e98aa7d936138ab9be80ad7f10d1", kill_on_drop: false }` [INFO] [stdout] 7c6f5c61215483777170d3aa696d4f6402e3e98aa7d936138ab9be80ad7f10d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5943a18157198ed95ba2fefabfefea7a4bc36da3b8bfe86f4491e671c82c7d24 [INFO] running `Command { std: "docker" "start" "-a" "5943a18157198ed95ba2fefabfefea7a4bc36da3b8bfe86f4491e671c82c7d24", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling sdd v3.0.10 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling scc v2.4.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling serial_test v3.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/code_lock.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.67s [INFO] running `Command { std: "docker" "inspect" "5943a18157198ed95ba2fefabfefea7a4bc36da3b8bfe86f4491e671c82c7d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5943a18157198ed95ba2fefabfefea7a4bc36da3b8bfe86f4491e671c82c7d24", kill_on_drop: false }` [INFO] [stdout] 5943a18157198ed95ba2fefabfefea7a4bc36da3b8bfe86f4491e671c82c7d24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebb4ba00a3346de9515ed8b1c9f62efe1714eb82778ce9cd3bf4da3f853a1147 [INFO] running `Command { std: "docker" "start" "-a" "ebb4ba00a3346de9515ed8b1c9f62efe1714eb82778ce9cd3bf4da3f853a1147", kill_on_drop: false }` [INFO] [stderr] Compiling itertools v0.14.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/code_lock.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serial_test v3.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/code_lock.rs:16:24 [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rwlock.rs:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 61 | pub fn serial(&self) -> MutexGuardWrapper<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 3.21s [INFO] running `Command { std: "docker" "inspect" "ebb4ba00a3346de9515ed8b1c9f62efe1714eb82778ce9cd3bf4da3f853a1147", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb4ba00a3346de9515ed8b1c9f62efe1714eb82778ce9cd3bf4da3f853a1147", kill_on_drop: false }` [INFO] [stdout] ebb4ba00a3346de9515ed8b1c9f62efe1714eb82778ce9cd3bf4da3f853a1147 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b4007cebb8ed3e214203d4745bc14ffcd78c88480d328d3d7dd5a74ed9c7a278 [INFO] running `Command { std: "docker" "start" "-a" "b4007cebb8ed3e214203d4745bc14ffcd78c88480d328d3d7dd5a74ed9c7a278", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/code_lock.rs:16:24 [INFO] [stderr] | [INFO] [stderr] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 16 | pub(crate) fn lock(&self) -> MutexGuardWrapper<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/rwlock.rs:61:19 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn serial(&self) -> MutexGuardWrapper { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 61 | pub fn serial(&self) -> MutexGuardWrapper<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `serial_test` (lib) generated 2 warnings (run `cargo fix --lib -p serial_test` to apply 2 suggestions) [INFO] [stderr] warning: `serial_test` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial_test-2774feedcb0a9546) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test code_lock::tests::assert_serially_locked_in_different_thread ... ok [INFO] [stdout] test code_lock::tests::assert_serially_locked_outside_serial_lock ... ok [INFO] [stdout] test code_lock::tests::assert_serially_locked_with_multiple_names ... ok [INFO] [stdout] test code_lock::tests::assert_serially_locked_without_name ... ok [INFO] [stdout] test parallel_code_lock::tests::unlock_on_assert_async_with_return ... ok [INFO] [stdout] test parallel_code_lock::tests::unlock_on_assert_async_without_return ... ok [INFO] [stdout] test parallel_code_lock::tests::unlock_on_assert_sync_with_return ... ok [INFO] [stdout] test serial_code_lock::tests::unlock_on_assert ... ok [INFO] [stdout] test parallel_code_lock::tests::unlock_on_assert_sync_without_return ... ok [INFO] [stdout] test code_lock::tests::assert_serially_locked_when_actually_locked_parallel ... ok [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-3da3cca554b8cf2f) [INFO] [stdout] test serial_code_lock::tests::test_hammer_check_new_key ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] Doc-tests serial_test [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_empty_serial_call ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/lib.rs - (line 37) ... ok [INFO] [stdout] test src/lib.rs - (line 46) ... ok [INFO] [stdout] test src/code_lock.rs - code_lock::is_locked_serially (line 90) ... ok [INFO] [stdout] test src/code_lock.rs - code_lock::is_locked_serially (line 77) ... ok [INFO] [stdout] test src/code_lock.rs - code_lock::is_locked_serially (line 58) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b4007cebb8ed3e214203d4745bc14ffcd78c88480d328d3d7dd5a74ed9c7a278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4007cebb8ed3e214203d4745bc14ffcd78c88480d328d3d7dd5a74ed9c7a278", kill_on_drop: false }` [INFO] [stdout] b4007cebb8ed3e214203d4745bc14ffcd78c88480d328d3d7dd5a74ed9c7a278