[INFO] fetching crate block-breaker 0.2.1...
[INFO] checking block-breaker-0.2.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate block-breaker 0.2.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate block-breaker 0.2.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate block-breaker 0.2.1
[INFO] finished tweaking crates.io crate block-breaker 0.2.1
[INFO] tweaked toml for crates.io crate block-breaker 0.2.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8311859eec5954a000705da0e639905b1364b641f5c1c1cbc3c6fb6ffe7be679
[INFO] running `Command { std: "docker" "start" "-a" "8311859eec5954a000705da0e639905b1364b641f5c1c1cbc3c6fb6ffe7be679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8311859eec5954a000705da0e639905b1364b641f5c1c1cbc3c6fb6ffe7be679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8311859eec5954a000705da0e639905b1364b641f5c1c1cbc3c6fb6ffe7be679", kill_on_drop: false }`
[INFO] [stdout] 8311859eec5954a000705da0e639905b1364b641f5c1c1cbc3c6fb6ffe7be679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d54cc01982ebd6c8445e84a9c35e48ebf9ddc096e935df5d1942906e2c618fd7
[INFO] running `Command { std: "docker" "start" "-a" "d54cc01982ebd6c8445e84a9c35e48ebf9ddc096e935df5d1942906e2c618fd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking block-breaker v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "d54cc01982ebd6c8445e84a9c35e48ebf9ddc096e935df5d1942906e2c618fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54cc01982ebd6c8445e84a9c35e48ebf9ddc096e935df5d1942906e2c618fd7", kill_on_drop: false }`
[INFO] [stdout] d54cc01982ebd6c8445e84a9c35e48ebf9ddc096e935df5d1942906e2c618fd7
