[INFO] fetching crate tugboat 0.0.0...
[INFO] testing tugboat-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tugboat 0.0.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate tugboat 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tugboat 0.0.0
[INFO] finished tweaking crates.io crate tugboat 0.0.0
[INFO] tweaked toml for crates.io crate tugboat 0.0.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate crates.io crate tugboat 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71cf657cdb8c3ab5070a479169a5d55e7010dc2cd4f82d9710c23a48d49240af
[INFO] running `Command { std: "docker" "start" "-a" "71cf657cdb8c3ab5070a479169a5d55e7010dc2cd4f82d9710c23a48d49240af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71cf657cdb8c3ab5070a479169a5d55e7010dc2cd4f82d9710c23a48d49240af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71cf657cdb8c3ab5070a479169a5d55e7010dc2cd4f82d9710c23a48d49240af", kill_on_drop: false }`
[INFO] [stdout] 71cf657cdb8c3ab5070a479169a5d55e7010dc2cd4f82d9710c23a48d49240af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a338f4344ca6874f57258ce19a99bde7e896ab42fbba4c7c7961518d6c8774
[INFO] running `Command { std: "docker" "start" "-a" "c0a338f4344ca6874f57258ce19a99bde7e896ab42fbba4c7c7961518d6c8774", kill_on_drop: false }`
[INFO] [stderr]    Compiling tugboat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c0a338f4344ca6874f57258ce19a99bde7e896ab42fbba4c7c7961518d6c8774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a338f4344ca6874f57258ce19a99bde7e896ab42fbba4c7c7961518d6c8774", kill_on_drop: false }`
[INFO] [stdout] c0a338f4344ca6874f57258ce19a99bde7e896ab42fbba4c7c7961518d6c8774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf306d88a6883401bcae5f1de9dda4f8d4ca2c298922e128c51e21c232a15ac
[INFO] running `Command { std: "docker" "start" "-a" "2cf306d88a6883401bcae5f1de9dda4f8d4ca2c298922e128c51e21c232a15ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tugboat v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "2cf306d88a6883401bcae5f1de9dda4f8d4ca2c298922e128c51e21c232a15ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf306d88a6883401bcae5f1de9dda4f8d4ca2c298922e128c51e21c232a15ac", kill_on_drop: false }`
[INFO] [stdout] 2cf306d88a6883401bcae5f1de9dda4f8d4ca2c298922e128c51e21c232a15ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a659be0fbab634eda7655ac91ec3c2661c9403f77200acda4796900242277dd
[INFO] running `Command { std: "docker" "start" "-a" "5a659be0fbab634eda7655ac91ec3c2661c9403f77200acda4796900242277dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tugboat-208239324e51193e)
[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" "5a659be0fbab634eda7655ac91ec3c2661c9403f77200acda4796900242277dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a659be0fbab634eda7655ac91ec3c2661c9403f77200acda4796900242277dd", kill_on_drop: false }`
[INFO] [stdout] 5a659be0fbab634eda7655ac91ec3c2661c9403f77200acda4796900242277dd