[INFO] cloning repository https://github.com/scbrickley/snail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scbrickley/snail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscbrickley%2Fsnail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscbrickley%2Fsnail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e7138e073bd29e26cd83a415260786646e62393
[INFO] testing scbrickley/snail against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscbrickley%2Fsnail" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scbrickley/snail 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 git repo https://github.com/scbrickley/snail
[INFO] finished tweaking git repo https://github.com/scbrickley/snail
[INFO] tweaked toml for git repo https://github.com/scbrickley/snail written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/scbrickley/snail 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] [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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aa55fb88281c4042b195f7cd0ce2c30375ace64b05185e5c9bf5e7414048cbe
[INFO] running `Command { std: "docker" "start" "-a" "1aa55fb88281c4042b195f7cd0ce2c30375ace64b05185e5c9bf5e7414048cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aa55fb88281c4042b195f7cd0ce2c30375ace64b05185e5c9bf5e7414048cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa55fb88281c4042b195f7cd0ce2c30375ace64b05185e5c9bf5e7414048cbe", kill_on_drop: false }`
[INFO] [stdout] 1aa55fb88281c4042b195f7cd0ce2c30375ace64b05185e5c9bf5e7414048cbe
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 220cc5799f2956483cb33259c81af69f98b37be1ab6ab81d60b9ea5396fb163e
[INFO] running `Command { std: "docker" "start" "-a" "220cc5799f2956483cb33259c81af69f98b37be1ab6ab81d60b9ea5396fb163e", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "220cc5799f2956483cb33259c81af69f98b37be1ab6ab81d60b9ea5396fb163e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220cc5799f2956483cb33259c81af69f98b37be1ab6ab81d60b9ea5396fb163e", kill_on_drop: false }`
[INFO] [stdout] 220cc5799f2956483cb33259c81af69f98b37be1ab6ab81d60b9ea5396fb163e
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4557c661d3be5e07b7741a964aad223beb1eee6e30dc8f79632e3c28a93fa12
[INFO] running `Command { std: "docker" "start" "-a" "a4557c661d3be5e07b7741a964aad223beb1eee6e30dc8f79632e3c28a93fa12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "a4557c661d3be5e07b7741a964aad223beb1eee6e30dc8f79632e3c28a93fa12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4557c661d3be5e07b7741a964aad223beb1eee6e30dc8f79632e3c28a93fa12", kill_on_drop: false }`
[INFO] [stdout] a4557c661d3be5e07b7741a964aad223beb1eee6e30dc8f79632e3c28a93fa12
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a305a0d6b237216f198b6e886eaf676a4f6be35675cdaaec4147e70723ff333
[INFO] running `Command { std: "docker" "start" "-a" "5a305a0d6b237216f198b6e886eaf676a4f6be35675cdaaec4147e70723ff333", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.96s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snail-c930882c0f5dd80c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_snail ... ok
[INFO] [stdout] test test_snail_number_spiral ... ok
[INFO] [stdout] test test_snail_even_length_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a305a0d6b237216f198b6e886eaf676a4f6be35675cdaaec4147e70723ff333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a305a0d6b237216f198b6e886eaf676a4f6be35675cdaaec4147e70723ff333", kill_on_drop: false }`
[INFO] [stdout] 5a305a0d6b237216f198b6e886eaf676a4f6be35675cdaaec4147e70723ff333