[INFO] fetching crate mucow 0.1.0...
[INFO] testing mucow-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mucow 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate mucow 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mucow 0.1.0
[INFO] finished tweaking crates.io crate mucow 0.1.0
[INFO] tweaked toml for crates.io crate mucow 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3294db41285999d0356f6095421f81a2742c9789ebc7d2a8ef790f448f92743
[INFO] running `Command { std: "docker" "start" "-a" "c3294db41285999d0356f6095421f81a2742c9789ebc7d2a8ef790f448f92743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3294db41285999d0356f6095421f81a2742c9789ebc7d2a8ef790f448f92743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3294db41285999d0356f6095421f81a2742c9789ebc7d2a8ef790f448f92743", kill_on_drop: false }`
[INFO] [stdout] c3294db41285999d0356f6095421f81a2742c9789ebc7d2a8ef790f448f92743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20bbdb8b8259b2a440143dafd1f1e396ab1c549a05c5ab453174755046859d7d
[INFO] running `Command { std: "docker" "start" "-a" "20bbdb8b8259b2a440143dafd1f1e396ab1c549a05c5ab453174755046859d7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mucow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "20bbdb8b8259b2a440143dafd1f1e396ab1c549a05c5ab453174755046859d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bbdb8b8259b2a440143dafd1f1e396ab1c549a05c5ab453174755046859d7d", kill_on_drop: false }`
[INFO] [stdout] 20bbdb8b8259b2a440143dafd1f1e396ab1c549a05c5ab453174755046859d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f6c84dfb3e9bddc6033572f0580498f90e052351b0d81f3d0fc6798c26279a5
[INFO] running `Command { std: "docker" "start" "-a" "9f6c84dfb3e9bddc6033572f0580498f90e052351b0d81f3d0fc6798c26279a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mucow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "9f6c84dfb3e9bddc6033572f0580498f90e052351b0d81f3d0fc6798c26279a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6c84dfb3e9bddc6033572f0580498f90e052351b0d81f3d0fc6798c26279a5", kill_on_drop: false }`
[INFO] [stdout] 9f6c84dfb3e9bddc6033572f0580498f90e052351b0d81f3d0fc6798c26279a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e66b4947afa5120af29d528d09bedb498ba868a501323671d9eafd84c8c9ac64
[INFO] running `Command { std: "docker" "start" "-a" "e66b4947afa5120af29d528d09bedb498ba868a501323671d9eafd84c8c9ac64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mucow-5c4906252b0ffb1d)
[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 mucow
[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" "e66b4947afa5120af29d528d09bedb498ba868a501323671d9eafd84c8c9ac64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66b4947afa5120af29d528d09bedb498ba868a501323671d9eafd84c8c9ac64", kill_on_drop: false }`
[INFO] [stdout] e66b4947afa5120af29d528d09bedb498ba868a501323671d9eafd84c8c9ac64