[INFO] fetching crate roost 0.0.1...
[INFO] testing roost-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate roost 0.0.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate roost 0.0.1 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 roost 0.0.1
[INFO] finished tweaking crates.io crate roost 0.0.1
[INFO] tweaked toml for crates.io crate roost 0.0.1 written to /workspace/builds/worker-112/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-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 738536e04020723d83521f48364ed02344a0e66cfd43b079b92714e66d5f9997
[INFO] running `Command { std: "docker" "start" "-a" "738536e04020723d83521f48364ed02344a0e66cfd43b079b92714e66d5f9997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738536e04020723d83521f48364ed02344a0e66cfd43b079b92714e66d5f9997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738536e04020723d83521f48364ed02344a0e66cfd43b079b92714e66d5f9997", kill_on_drop: false }`
[INFO] [stdout] 738536e04020723d83521f48364ed02344a0e66cfd43b079b92714e66d5f9997
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 6a32605c31816814a8effac86dfeafd040ac830e4c2cc16b5a6d185b1f997e4f
[INFO] running `Command { std: "docker" "start" "-a" "6a32605c31816814a8effac86dfeafd040ac830e4c2cc16b5a6d185b1f997e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling roost v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6a32605c31816814a8effac86dfeafd040ac830e4c2cc16b5a6d185b1f997e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a32605c31816814a8effac86dfeafd040ac830e4c2cc16b5a6d185b1f997e4f", kill_on_drop: false }`
[INFO] [stdout] 6a32605c31816814a8effac86dfeafd040ac830e4c2cc16b5a6d185b1f997e4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] 4a4123d7a58cd9f3923c7e37dac399c424f1d8d6c7b82b5617a79025ab6ef113
[INFO] running `Command { std: "docker" "start" "-a" "4a4123d7a58cd9f3923c7e37dac399c424f1d8d6c7b82b5617a79025ab6ef113", kill_on_drop: false }`
[INFO] [stderr]    Compiling roost v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4a4123d7a58cd9f3923c7e37dac399c424f1d8d6c7b82b5617a79025ab6ef113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4123d7a58cd9f3923c7e37dac399c424f1d8d6c7b82b5617a79025ab6ef113", kill_on_drop: false }`
[INFO] [stdout] 4a4123d7a58cd9f3923c7e37dac399c424f1d8d6c7b82b5617a79025ab6ef113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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] c73ad5ec1c3713bae3ce6f176afc85d400c8f2137ac5dcb56ef57a1c8bdc460e
[INFO] running `Command { std: "docker" "start" "-a" "c73ad5ec1c3713bae3ce6f176afc85d400c8f2137ac5dcb56ef57a1c8bdc460e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roost-dc137089b930bb4b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roost
[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" "c73ad5ec1c3713bae3ce6f176afc85d400c8f2137ac5dcb56ef57a1c8bdc460e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73ad5ec1c3713bae3ce6f176afc85d400c8f2137ac5dcb56ef57a1c8bdc460e", kill_on_drop: false }`
[INFO] [stdout] c73ad5ec1c3713bae3ce6f176afc85d400c8f2137ac5dcb56ef57a1c8bdc460e