[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 beta-2021-09-08 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-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scbrickley/snail on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-114/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" "+beta-2021-09-08" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b15411cf7d8ed72bd946fe3a1bbc5950f113ba6438d1d96a7bab4b22795d7f
[INFO] running `Command { std: "docker" "start" "-a" "88b15411cf7d8ed72bd946fe3a1bbc5950f113ba6438d1d96a7bab4b22795d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b15411cf7d8ed72bd946fe3a1bbc5950f113ba6438d1d96a7bab4b22795d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b15411cf7d8ed72bd946fe3a1bbc5950f113ba6438d1d96a7bab4b22795d7f", kill_on_drop: false }`
[INFO] [stdout] 88b15411cf7d8ed72bd946fe3a1bbc5950f113ba6438d1d96a7bab4b22795d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b75b0f2cc020bd4d7a21df2959b9ba40307d9f2689e381ce6ac176006b139c6
[INFO] running `Command { std: "docker" "start" "-a" "6b75b0f2cc020bd4d7a21df2959b9ba40307d9f2689e381ce6ac176006b139c6", 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 dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6b75b0f2cc020bd4d7a21df2959b9ba40307d9f2689e381ce6ac176006b139c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b75b0f2cc020bd4d7a21df2959b9ba40307d9f2689e381ce6ac176006b139c6", kill_on_drop: false }`
[INFO] [stdout] 6b75b0f2cc020bd4d7a21df2959b9ba40307d9f2689e381ce6ac176006b139c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e93da2b7b3f7de9f13507b62b3100d70d57f1bb7d9c6da80d9354be60d1b0c9f
[INFO] running `Command { std: "docker" "start" "-a" "e93da2b7b3f7de9f13507b62b3100d70d57f1bb7d9c6da80d9354be60d1b0c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "e93da2b7b3f7de9f13507b62b3100d70d57f1bb7d9c6da80d9354be60d1b0c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93da2b7b3f7de9f13507b62b3100d70d57f1bb7d9c6da80d9354be60d1b0c9f", kill_on_drop: false }`
[INFO] [stdout] e93da2b7b3f7de9f13507b62b3100d70d57f1bb7d9c6da80d9354be60d1b0c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aef4f5e4e9d13c6d2f15b65719f89e5191030978e1bc7b0c1b50918da75e502
[INFO] running `Command { std: "docker" "start" "-a" "9aef4f5e4e9d13c6d2f15b65719f89e5191030978e1bc7b0c1b50918da75e502", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 38.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snail-3a9ff7c700905fc8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_snail ... ok
[INFO] [stdout] test test_snail_even_length_matrix ... ok
[INFO] [stdout] test test_snail_number_spiral ... 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" "9aef4f5e4e9d13c6d2f15b65719f89e5191030978e1bc7b0c1b50918da75e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aef4f5e4e9d13c6d2f15b65719f89e5191030978e1bc7b0c1b50918da75e502", kill_on_drop: false }`
[INFO] [stdout] 9aef4f5e4e9d13c6d2f15b65719f89e5191030978e1bc7b0c1b50918da75e502