[INFO] fetching crate semaphore-rs 0.5.3...
[INFO] testing semaphore-rs-0.5.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate semaphore-rs 0.5.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate semaphore-rs 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate semaphore-rs 0.5.3
[INFO] tweaked toml for crates.io crate semaphore-rs 0.5.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate semaphore-rs 0.5.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate semaphore-rs 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a92cc0a04694fd84ee71211533d37bf5455366c54ad1bf448566d8a4b62fcda1
[INFO] running `Command { std: "docker" "start" "-a" "a92cc0a04694fd84ee71211533d37bf5455366c54ad1bf448566d8a4b62fcda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a92cc0a04694fd84ee71211533d37bf5455366c54ad1bf448566d8a4b62fcda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92cc0a04694fd84ee71211533d37bf5455366c54ad1bf448566d8a4b62fcda1", kill_on_drop: false }`
[INFO] [stdout] a92cc0a04694fd84ee71211533d37bf5455366c54ad1bf448566d8a4b62fcda1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 575f4c4f13fb0bb808cc6156d17f32aa4232f4a8edc228905519f0a9b4556c97
[INFO] running `Command { std: "docker" "start" "-a" "575f4c4f13fb0bb808cc6156d17f32aa4232f4a8edc228905519f0a9b4556c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
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[INFO] [stderr]    Compiling semaphore-rs v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "575f4c4f13fb0bb808cc6156d17f32aa4232f4a8edc228905519f0a9b4556c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575f4c4f13fb0bb808cc6156d17f32aa4232f4a8edc228905519f0a9b4556c97", kill_on_drop: false }`
[INFO] [stdout] 575f4c4f13fb0bb808cc6156d17f32aa4232f4a8edc228905519f0a9b4556c97
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 928c7c16e27bee31caca135f32797110d2d2ad5052386f9f82299969bb4a8c82
[INFO] running `Command { std: "docker" "start" "-a" "928c7c16e27bee31caca135f32797110d2d2ad5052386f9f82299969bb4a8c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
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[INFO] [stderr]    Compiling semaphore-rs-trees v0.5.3
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[INFO] [stdout] warning: function `test_round_trip` is never used
[INFO] [stdout]   --> src/protocol/authentication.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn test_round_trip(depth: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "928c7c16e27bee31caca135f32797110d2d2ad5052386f9f82299969bb4a8c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928c7c16e27bee31caca135f32797110d2d2ad5052386f9f82299969bb4a8c82", kill_on_drop: false }`
[INFO] [stdout] 928c7c16e27bee31caca135f32797110d2d2ad5052386f9f82299969bb4a8c82
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0fbed11362b80812c94a12548dbf020e9c55ec7576b18f93cad546a80442d296
[INFO] running `Command { std: "docker" "start" "-a" "0fbed11362b80812c94a12548dbf020e9c55ec7576b18f93cad546a80442d296", kill_on_drop: false }`
[INFO] [stderr] warning: function `test_round_trip` is never used
[INFO] [stderr]   --> src/protocol/authentication.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn test_round_trip(depth: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `semaphore-rs` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/semaphore_rs-7de49711654d1cce)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_field_serde ... ok
[INFO] [stdout] test hash::test::test_serialize ... ok
[INFO] [stdout] test hash::test::test_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests semaphore_rs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fbed11362b80812c94a12548dbf020e9c55ec7576b18f93cad546a80442d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbed11362b80812c94a12548dbf020e9c55ec7576b18f93cad546a80442d296", kill_on_drop: false }`
[INFO] [stdout] 0fbed11362b80812c94a12548dbf020e9c55ec7576b18f93cad546a80442d296