[INFO] fetching crate embedded_mutex 0.1.0...
[INFO] testing embedded_mutex-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate embedded_mutex 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate embedded_mutex 0.1.0
[INFO] finished tweaking crates.io crate embedded_mutex 0.1.0
[INFO] tweaked toml for crates.io crate embedded_mutex 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded_mutex 0.1.0 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] crate crates.io crate embedded_mutex 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c0e2aceddaecae1bf083a7b5313afae0c525c76451013e2cea865009b8493427
[INFO] running `Command { std: "docker" "start" "-a" "c0e2aceddaecae1bf083a7b5313afae0c525c76451013e2cea865009b8493427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e2aceddaecae1bf083a7b5313afae0c525c76451013e2cea865009b8493427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e2aceddaecae1bf083a7b5313afae0c525c76451013e2cea865009b8493427", kill_on_drop: false }`
[INFO] [stdout] c0e2aceddaecae1bf083a7b5313afae0c525c76451013e2cea865009b8493427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 20bff5d366f74f0bb144942053999e67d3847ad244d0f2cbe416a2f1e671a0cc
[INFO] running `Command { std: "docker" "start" "-a" "20bff5d366f74f0bb144942053999e67d3847ad244d0f2cbe416a2f1e671a0cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded_mutex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "20bff5d366f74f0bb144942053999e67d3847ad244d0f2cbe416a2f1e671a0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bff5d366f74f0bb144942053999e67d3847ad244d0f2cbe416a2f1e671a0cc", kill_on_drop: false }`
[INFO] [stdout] 20bff5d366f74f0bb144942053999e67d3847ad244d0f2cbe416a2f1e671a0cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5c0059ebd979ec6f936751791ef8d8564572db11f7d01443b1018f0214e22235
[INFO] running `Command { std: "docker" "start" "-a" "5c0059ebd979ec6f936751791ef8d8564572db11f7d01443b1018f0214e22235", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded_mutex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5c0059ebd979ec6f936751791ef8d8564572db11f7d01443b1018f0214e22235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0059ebd979ec6f936751791ef8d8564572db11f7d01443b1018f0214e22235", kill_on_drop: false }`
[INFO] [stdout] 5c0059ebd979ec6f936751791ef8d8564572db11f7d01443b1018f0214e22235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0fa837305c17445d5796c10c387d670aef2acabf58d4c75ba1fed316567d7d4f
[INFO] running `Command { std: "docker" "start" "-a" "0fa837305c17445d5796c10c387d670aef2acabf58d4c75ba1fed316567d7d4f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/embedded_mutex-a02c2833b423935c)
[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] [stderr]    Doc-tests embedded_mutex
[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" "0fa837305c17445d5796c10c387d670aef2acabf58d4c75ba1fed316567d7d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa837305c17445d5796c10c387d670aef2acabf58d4c75ba1fed316567d7d4f", kill_on_drop: false }`
[INFO] [stdout] 0fa837305c17445d5796c10c387d670aef2acabf58d4c75ba1fed316567d7d4f