[INFO] fetching crate microlock 0.2.1...
[INFO] testing microlock-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate microlock 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate microlock 0.2.1
[INFO] finished tweaking crates.io crate microlock 0.2.1
[INFO] tweaked toml for crates.io crate microlock 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microlock 0.2.1 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 microlock 0.2.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dd4e0210c239500b62c3c4fcb7863fe872f2b2af30ace15993ff62b9fcb25cd1
[INFO] running `Command { std: "docker" "start" "-a" "dd4e0210c239500b62c3c4fcb7863fe872f2b2af30ace15993ff62b9fcb25cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd4e0210c239500b62c3c4fcb7863fe872f2b2af30ace15993ff62b9fcb25cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4e0210c239500b62c3c4fcb7863fe872f2b2af30ace15993ff62b9fcb25cd1", kill_on_drop: false }`
[INFO] [stdout] dd4e0210c239500b62c3c4fcb7863fe872f2b2af30ace15993ff62b9fcb25cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 354189d3157a0a6e90488eb659c176fde2c1c60b5433556557bef3e19da7687c
[INFO] running `Command { std: "docker" "start" "-a" "354189d3157a0a6e90488eb659c176fde2c1c60b5433556557bef3e19da7687c", kill_on_drop: false }`
[INFO] [stderr]    Compiling microlock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "354189d3157a0a6e90488eb659c176fde2c1c60b5433556557bef3e19da7687c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354189d3157a0a6e90488eb659c176fde2c1c60b5433556557bef3e19da7687c", kill_on_drop: false }`
[INFO] [stdout] 354189d3157a0a6e90488eb659c176fde2c1c60b5433556557bef3e19da7687c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1dc0027f7c26b9fd4a4ce56cf4c93ec36a912669ab16170f9be235d2e7e34be4
[INFO] running `Command { std: "docker" "start" "-a" "1dc0027f7c26b9fd4a4ce56cf4c93ec36a912669ab16170f9be235d2e7e34be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling microlock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1dc0027f7c26b9fd4a4ce56cf4c93ec36a912669ab16170f9be235d2e7e34be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc0027f7c26b9fd4a4ce56cf4c93ec36a912669ab16170f9be235d2e7e34be4", kill_on_drop: false }`
[INFO] [stdout] 1dc0027f7c26b9fd4a4ce56cf4c93ec36a912669ab16170f9be235d2e7e34be4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 879db6fe846d9c3db5831df63da00e5e31fdb851b85dcfc438bf4b60f635cc3b
[INFO] running `Command { std: "docker" "start" "-a" "879db6fe846d9c3db5831df63da00e5e31fdb851b85dcfc438bf4b60f635cc3b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microlock-753680903b50bfce)
[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 microlock
[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" "879db6fe846d9c3db5831df63da00e5e31fdb851b85dcfc438bf4b60f635cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879db6fe846d9c3db5831df63da00e5e31fdb851b85dcfc438bf4b60f635cc3b", kill_on_drop: false }`
[INFO] [stdout] 879db6fe846d9c3db5831df63da00e5e31fdb851b85dcfc438bf4b60f635cc3b