[INFO] fetching crate named-semaphore 0.1.0... [INFO] testing named-semaphore-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate named-semaphore 0.1.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate named-semaphore 0.1.0 [INFO] finished tweaking crates.io crate named-semaphore 0.1.0 [INFO] tweaked toml for crates.io crate named-semaphore 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate named-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] [stderr] Updating crates.io index [INFO] [stderr] Locking 23 packages to latest compatible versions [INFO] [stderr] Adding errno v0.2.8 (available: v0.3.14) [INFO] [stderr] Adding function_name v0.2.3 (available: v0.3.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 22c64c747592e98576e0c1c2b09b66c171a7cd5b2fa6c0cbd343b06401816938 [INFO] running `Command { std: "docker" "start" "-a" "22c64c747592e98576e0c1c2b09b66c171a7cd5b2fa6c0cbd343b06401816938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22c64c747592e98576e0c1c2b09b66c171a7cd5b2fa6c0cbd343b06401816938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22c64c747592e98576e0c1c2b09b66c171a7cd5b2fa6c0cbd343b06401816938", kill_on_drop: false }` [INFO] [stdout] 22c64c747592e98576e0c1c2b09b66c171a7cd5b2fa6c0cbd343b06401816938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7b10c27b2fe72de1b95b84ab04d25c923365c65c41a81a202f686a39624ab70d [INFO] running `Command { std: "docker" "start" "-a" "7b10c27b2fe72de1b95b84ab04d25c923365c65c41a81a202f686a39624ab70d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling named-semaphore v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn access(&self) -> Result { [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] 69 | pub fn access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn try_access(&self) -> Result { [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] 75 | pub fn try_access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s [INFO] running `Command { std: "docker" "inspect" "7b10c27b2fe72de1b95b84ab04d25c923365c65c41a81a202f686a39624ab70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b10c27b2fe72de1b95b84ab04d25c923365c65c41a81a202f686a39624ab70d", kill_on_drop: false }` [INFO] [stdout] 7b10c27b2fe72de1b95b84ab04d25c923365c65c41a81a202f686a39624ab70d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c518e27a1153a4ae5ceb647383adf7d9a5bef2f86916b9dbda318c17604475a [INFO] running `Command { std: "docker" "start" "-a" "9c518e27a1153a4ae5ceb647383adf7d9a5bef2f86916b9dbda318c17604475a", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn access(&self) -> Result { [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] 69 | pub fn access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn try_access(&self) -> Result { [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] 75 | pub fn try_access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling function_name-proc-macro v0.2.3 [INFO] [stderr] Compiling function_name v0.2.3 [INFO] [stderr] Compiling named-semaphore v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition: `function_name` [INFO] [stdout] --> src/lib.rs:163:5 [INFO] [stdout] | [INFO] [stdout] 163 | #[named] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:69:19 [INFO] [stdout] | [INFO] [stdout] 69 | pub fn access(&self) -> Result { [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] 69 | pub fn access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn try_access(&self) -> Result { [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] 75 | pub fn try_access(&self) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `Command { std: "docker" "inspect" "9c518e27a1153a4ae5ceb647383adf7d9a5bef2f86916b9dbda318c17604475a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c518e27a1153a4ae5ceb647383adf7d9a5bef2f86916b9dbda318c17604475a", kill_on_drop: false }` [INFO] [stdout] 9c518e27a1153a4ae5ceb647383adf7d9a5bef2f86916b9dbda318c17604475a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2c09ccb2e8deb91419583f58723aef6660a32b47a5d413ec858c9d201d1aa7be [INFO] running `Command { std: "docker" "start" "-a" "2c09ccb2e8deb91419583f58723aef6660a32b47a5d413ec858c9d201d1aa7be", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:69:19 [INFO] [stderr] | [INFO] [stderr] 69 | pub fn access(&self) -> Result { [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] 69 | pub fn access(&self) -> Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:75:23 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn try_access(&self) -> Result { [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] 75 | pub fn try_access(&self) -> Result> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `named-semaphore` (lib) generated 2 warnings (run `cargo fix --lib -p named-semaphore` to apply 2 suggestions) [INFO] [stderr] warning: unused macro definition: `function_name` [INFO] [stderr] --> src/lib.rs:163:5 [INFO] [stderr] | [INFO] [stderr] 163 | #[named] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `named-semaphore` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/named_semaphore-88d9e73cdfda725a) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::invalid_name_fails ... ok [INFO] [stdout] test tests::decrements_and_increments ... ok [INFO] [stdout] test tests::creates_and_closes ... ok [INFO] [stdout] test tests::creates_with_initial_value ... ok [INFO] [stdout] test tests::try_access_fails_without_capacity ... ok [INFO] [stderr] Doc-tests named_semaphore [INFO] [stdout] test tests::sems_with_same_name_share_value ... ok [INFO] [stdout] test tests::value_returns_initial_capacity ... ok [INFO] [stdout] test tests::try_access_succeeds_with_capacity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2c09ccb2e8deb91419583f58723aef6660a32b47a5d413ec858c9d201d1aa7be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c09ccb2e8deb91419583f58723aef6660a32b47a5d413ec858c9d201d1aa7be", kill_on_drop: false }` [INFO] [stdout] 2c09ccb2e8deb91419583f58723aef6660a32b47a5d413ec858c9d201d1aa7be