[INFO] fetching crate unio 0.0.0...
[INFO] testing unio-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate unio 0.0.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate unio 0.0.0 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 unio 0.0.0
[INFO] finished tweaking crates.io crate unio 0.0.0
[INFO] tweaked toml for crates.io crate unio 0.0.0 written to /workspace/builds/worker-27/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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] da68b173418b62a7039da6506de720e483ff625123a594467a804268574aa702
[INFO] running `Command { std: "docker" "start" "-a" "da68b173418b62a7039da6506de720e483ff625123a594467a804268574aa702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da68b173418b62a7039da6506de720e483ff625123a594467a804268574aa702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da68b173418b62a7039da6506de720e483ff625123a594467a804268574aa702", kill_on_drop: false }`
[INFO] [stdout] da68b173418b62a7039da6506de720e483ff625123a594467a804268574aa702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 36b0256f2db7744e034f9fbdb71e8cd38b395a67ad91c43bcfc3945d1b7ece9e
[INFO] running `Command { std: "docker" "start" "-a" "36b0256f2db7744e034f9fbdb71e8cd38b395a67ad91c43bcfc3945d1b7ece9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "36b0256f2db7744e034f9fbdb71e8cd38b395a67ad91c43bcfc3945d1b7ece9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b0256f2db7744e034f9fbdb71e8cd38b395a67ad91c43bcfc3945d1b7ece9e", kill_on_drop: false }`
[INFO] [stdout] 36b0256f2db7744e034f9fbdb71e8cd38b395a67ad91c43bcfc3945d1b7ece9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] dc6367b313e671fa8a8310b67b9351daf8e696b89de500b98c7dec810c00a741
[INFO] running `Command { std: "docker" "start" "-a" "dc6367b313e671fa8a8310b67b9351daf8e696b89de500b98c7dec810c00a741", kill_on_drop: false }`
[INFO] [stderr]    Compiling unio v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "dc6367b313e671fa8a8310b67b9351daf8e696b89de500b98c7dec810c00a741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6367b313e671fa8a8310b67b9351daf8e696b89de500b98c7dec810c00a741", kill_on_drop: false }`
[INFO] [stdout] dc6367b313e671fa8a8310b67b9351daf8e696b89de500b98c7dec810c00a741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] d8b95af9c7942313c6d8e94439b3d9d489a2c6dd56d3c52f4ff831e6cf1c10d4
[INFO] running `Command { std: "docker" "start" "-a" "d8b95af9c7942313c6d8e94439b3d9d489a2c6dd56d3c52f4ff831e6cf1c10d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unio-755374fc40127b67)
[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 unio
[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" "d8b95af9c7942313c6d8e94439b3d9d489a2c6dd56d3c52f4ff831e6cf1c10d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b95af9c7942313c6d8e94439b3d9d489a2c6dd56d3c52f4ff831e6cf1c10d4", kill_on_drop: false }`
[INFO] [stdout] d8b95af9c7942313c6d8e94439b3d9d489a2c6dd56d3c52f4ff831e6cf1c10d4