[INFO] fetching crate microlock 0.2.1...
[INFO] testing microlock-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate microlock 0.2.1 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microlock 0.2.1 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] 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c521c86657460c789905394759f3c7e4b9aa5a4bfa49755d19a34feb952593ec
[INFO] running `Command { std: "docker" "start" "-a" "c521c86657460c789905394759f3c7e4b9aa5a4bfa49755d19a34feb952593ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c521c86657460c789905394759f3c7e4b9aa5a4bfa49755d19a34feb952593ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c521c86657460c789905394759f3c7e4b9aa5a4bfa49755d19a34feb952593ec", kill_on_drop: false }`
[INFO] [stdout] c521c86657460c789905394759f3c7e4b9aa5a4bfa49755d19a34feb952593ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5ceb87624536e5b8efe3d9bca54ec36ad92bd0dd20e6fd04d451d14473576d8a
[INFO] running `Command { std: "docker" "start" "-a" "5ceb87624536e5b8efe3d9bca54ec36ad92bd0dd20e6fd04d451d14473576d8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling microlock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "5ceb87624536e5b8efe3d9bca54ec36ad92bd0dd20e6fd04d451d14473576d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ceb87624536e5b8efe3d9bca54ec36ad92bd0dd20e6fd04d451d14473576d8a", kill_on_drop: false }`
[INFO] [stdout] 5ceb87624536e5b8efe3d9bca54ec36ad92bd0dd20e6fd04d451d14473576d8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afba0f0e49102a4f368c3a027f4bdf6029b09c6f2b86773d502ce7a8b33816aa
[INFO] running `Command { std: "docker" "start" "-a" "afba0f0e49102a4f368c3a027f4bdf6029b09c6f2b86773d502ce7a8b33816aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling microlock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "afba0f0e49102a4f368c3a027f4bdf6029b09c6f2b86773d502ce7a8b33816aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afba0f0e49102a4f368c3a027f4bdf6029b09c6f2b86773d502ce7a8b33816aa", kill_on_drop: false }`
[INFO] [stdout] afba0f0e49102a4f368c3a027f4bdf6029b09c6f2b86773d502ce7a8b33816aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e5f1153a052045ad5f3e355dd064f76e99cd11614ff25a3d28d555c0fb091724
[INFO] running `Command { std: "docker" "start" "-a" "e5f1153a052045ad5f3e355dd064f76e99cd11614ff25a3d28d555c0fb091724", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microlock-753680903b50bfce)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests microlock
[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] [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" "e5f1153a052045ad5f3e355dd064f76e99cd11614ff25a3d28d555c0fb091724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f1153a052045ad5f3e355dd064f76e99cd11614ff25a3d28d555c0fb091724", kill_on_drop: false }`
[INFO] [stdout] e5f1153a052045ad5f3e355dd064f76e99cd11614ff25a3d28d555c0fb091724