[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-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscbrickley%2Fsnail" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scbrickley/snail on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] 272be09bd04e10e7cafbb2872692339f4ba4a44ad50191bfd5341d1dbe539fa0
[INFO] running `Command { std: "docker" "start" "-a" "272be09bd04e10e7cafbb2872692339f4ba4a44ad50191bfd5341d1dbe539fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272be09bd04e10e7cafbb2872692339f4ba4a44ad50191bfd5341d1dbe539fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272be09bd04e10e7cafbb2872692339f4ba4a44ad50191bfd5341d1dbe539fa0", kill_on_drop: false }`
[INFO] [stdout] 272be09bd04e10e7cafbb2872692339f4ba4a44ad50191bfd5341d1dbe539fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] bc1c8a0c7a196925ece3eb6bab01b4e07b219df4e21ba54073e9f439ac84c857
[INFO] running `Command { std: "docker" "start" "-a" "bc1c8a0c7a196925ece3eb6bab01b4e07b219df4e21ba54073e9f439ac84c857", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "bc1c8a0c7a196925ece3eb6bab01b4e07b219df4e21ba54073e9f439ac84c857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1c8a0c7a196925ece3eb6bab01b4e07b219df4e21ba54073e9f439ac84c857", kill_on_drop: false }`
[INFO] [stdout] bc1c8a0c7a196925ece3eb6bab01b4e07b219df4e21ba54073e9f439ac84c857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c0e0a0fb14556e31da8aa61f5ec26147aab9e2373a9ed0b38570207a79e0cac
[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" "5c0e0a0fb14556e31da8aa61f5ec26147aab9e2373a9ed0b38570207a79e0cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "5c0e0a0fb14556e31da8aa61f5ec26147aab9e2373a9ed0b38570207a79e0cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c0e0a0fb14556e31da8aa61f5ec26147aab9e2373a9ed0b38570207a79e0cac", kill_on_drop: false }`
[INFO] [stdout] 5c0e0a0fb14556e31da8aa61f5ec26147aab9e2373a9ed0b38570207a79e0cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8090f3f8a510ee6abebcc70a806c4ad0dabf822e33f1026ef3b58ee2e0882c87
[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" "8090f3f8a510ee6abebcc70a806c4ad0dabf822e33f1026ef3b58ee2e0882c87", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snail-5d04d82a1b61be4f
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8090f3f8a510ee6abebcc70a806c4ad0dabf822e33f1026ef3b58ee2e0882c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8090f3f8a510ee6abebcc70a806c4ad0dabf822e33f1026ef3b58ee2e0882c87", kill_on_drop: false }`
[INFO] [stdout] 8090f3f8a510ee6abebcc70a806c4ad0dabf822e33f1026ef3b58ee2e0882c87