[INFO] fetching crate std-semaphore 0.1.0... [INFO] testing std-semaphore-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate std-semaphore 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate std-semaphore 0.1.0 [INFO] finished tweaking crates.io crate std-semaphore 0.1.0 [INFO] tweaked toml for crates.io crate std-semaphore 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate std-semaphore 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0b947ec247ea2b59a420e327828f29ea732a67654799ce42d1e583406020218 [INFO] running `Command { std: "docker" "start" "-a" "d0b947ec247ea2b59a420e327828f29ea732a67654799ce42d1e583406020218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0b947ec247ea2b59a420e327828f29ea732a67654799ce42d1e583406020218", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0b947ec247ea2b59a420e327828f29ea732a67654799ce42d1e583406020218", kill_on_drop: false }` [INFO] [stdout] d0b947ec247ea2b59a420e327828f29ea732a67654799ce42d1e583406020218 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7762f9dd4088f5b34028725a667f93a8e2d8272f9f31063a0e078fc88425c358 [INFO] running `Command { std: "docker" "start" "-a" "7762f9dd4088f5b34028725a667f93a8e2d8272f9f31063a0e078fc88425c358", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn access(&self) -> SemaphoreGuard { [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] 92 | pub fn access(&self) -> SemaphoreGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "7762f9dd4088f5b34028725a667f93a8e2d8272f9f31063a0e078fc88425c358", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7762f9dd4088f5b34028725a667f93a8e2d8272f9f31063a0e078fc88425c358", kill_on_drop: false }` [INFO] [stdout] 7762f9dd4088f5b34028725a667f93a8e2d8272f9f31063a0e078fc88425c358 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fc70345821496cc620ab23d778115b9206485924448b0efea045fcfc99cd5de [INFO] running `Command { std: "docker" "start" "-a" "7fc70345821496cc620ab23d778115b9206485924448b0efea045fcfc99cd5de", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn access(&self) -> SemaphoreGuard { [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] 92 | pub fn access(&self) -> SemaphoreGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling std-semaphore v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn access(&self) -> SemaphoreGuard { [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] 92 | pub fn access(&self) -> SemaphoreGuard<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "7fc70345821496cc620ab23d778115b9206485924448b0efea045fcfc99cd5de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fc70345821496cc620ab23d778115b9206485924448b0efea045fcfc99cd5de", kill_on_drop: false }` [INFO] [stdout] 7fc70345821496cc620ab23d778115b9206485924448b0efea045fcfc99cd5de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c0aae4364d9970c60c603a6613ac1d6fd69a7af4d94537b7f99adb0ee78a3fb9 [INFO] running `Command { std: "docker" "start" "-a" "c0aae4364d9970c60c603a6613ac1d6fd69a7af4d94537b7f99adb0ee78a3fb9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:92:19 [INFO] [stderr] | [INFO] [stderr] 92 | pub fn access(&self) -> SemaphoreGuard { [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] 92 | pub fn access(&self) -> SemaphoreGuard<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `std-semaphore` (lib) generated 1 warning (run `cargo fix --lib -p std-semaphore` to apply 1 suggestion) [INFO] [stderr] warning: `std-semaphore` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/std_semaphore-8d13e5b2cde13ad5) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::test_sem_acquire_release ... ok [INFO] [stdout] test tests::test_sem_basic ... ok [INFO] [stdout] test tests::test_sem_as_mutex ... ok [INFO] [stdout] test tests::test_sem_multi_resource ... ok [INFO] [stdout] test tests::test_sem_runtime_friendly_blocking ... ok [INFO] [stdout] test tests::test_sem_as_cvar ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] [stderr] Doc-tests std_semaphore [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - Semaphore (line 23) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c0aae4364d9970c60c603a6613ac1d6fd69a7af4d94537b7f99adb0ee78a3fb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0aae4364d9970c60c603a6613ac1d6fd69a7af4d94537b7f99adb0ee78a3fb9", kill_on_drop: false }` [INFO] [stdout] c0aae4364d9970c60c603a6613ac1d6fd69a7af4d94537b7f99adb0ee78a3fb9