[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscbrickley%2Fsnail" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scbrickley/snail on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-10/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c4dc5b4c88f8f20f76790e7be52a964a603427e5ac23b476a71478d35a49eac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2c4dc5b4c88f8f20f76790e7be52a964a603427e5ac23b476a71478d35a49eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c4dc5b4c88f8f20f76790e7be52a964a603427e5ac23b476a71478d35a49eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4dc5b4c88f8f20f76790e7be52a964a603427e5ac23b476a71478d35a49eac", kill_on_drop: false }`
[INFO] [stdout] 2c4dc5b4c88f8f20f76790e7be52a964a603427e5ac23b476a71478d35a49eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4e46ab7f720bbcc2530c62154eafa05c0ac4124f995f59dc261b4c7fb932899
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4e46ab7f720bbcc2530c62154eafa05c0ac4124f995f59dc261b4c7fb932899", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "d4e46ab7f720bbcc2530c62154eafa05c0ac4124f995f59dc261b4c7fb932899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e46ab7f720bbcc2530c62154eafa05c0ac4124f995f59dc261b4c7fb932899", kill_on_drop: false }`
[INFO] [stdout] d4e46ab7f720bbcc2530c62154eafa05c0ac4124f995f59dc261b4c7fb932899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da99652d2c51ee93e95e5fe0526a4369ea03332a510044cd87e30f206d1403ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da99652d2c51ee93e95e5fe0526a4369ea03332a510044cd87e30f206d1403ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "da99652d2c51ee93e95e5fe0526a4369ea03332a510044cd87e30f206d1403ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da99652d2c51ee93e95e5fe0526a4369ea03332a510044cd87e30f206d1403ef", kill_on_drop: false }`
[INFO] [stdout] da99652d2c51ee93e95e5fe0526a4369ea03332a510044cd87e30f206d1403ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02e753909780bf906a4a48f4a707220fac7df6b63287bd9cdc10978c009e2abd
[INFO] running `Command { std: "docker" "start" "-a" "02e753909780bf906a4a48f4a707220fac7df6b63287bd9cdc10978c009e2abd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snail-563067acce6a60fa)
[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" "02e753909780bf906a4a48f4a707220fac7df6b63287bd9cdc10978c009e2abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e753909780bf906a4a48f4a707220fac7df6b63287bd9cdc10978c009e2abd", kill_on_drop: false }`
[INFO] [stdout] 02e753909780bf906a4a48f4a707220fac7df6b63287bd9cdc10978c009e2abd