[INFO] cloning repository https://github.com/mfeckie/alpha_sparkle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfeckie/alpha_sparkle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfeckie%2Falpha_sparkle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfeckie%2Falpha_sparkle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 575f2d3305617462ddf413996f670974fbf9f752
[INFO] testing mfeckie/alpha_sparkle against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfeckie%2Falpha_sparkle" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfeckie/alpha_sparkle on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfeckie/alpha_sparkle
[INFO] finished tweaking git repo https://github.com/mfeckie/alpha_sparkle
[INFO] tweaked toml for git repo https://github.com/mfeckie/alpha_sparkle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mfeckie/alpha_sparkle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7ddcb25ba3bb1febde6987b55687c1fa7ba134067c859827f7b9c7e8e25bff
[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" "3b7ddcb25ba3bb1febde6987b55687c1fa7ba134067c859827f7b9c7e8e25bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7ddcb25ba3bb1febde6987b55687c1fa7ba134067c859827f7b9c7e8e25bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7ddcb25ba3bb1febde6987b55687c1fa7ba134067c859827f7b9c7e8e25bff", kill_on_drop: false }`
[INFO] [stdout] 3b7ddcb25ba3bb1febde6987b55687c1fa7ba134067c859827f7b9c7e8e25bff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f941e3e9a97170a376253b3254b973d829035b895eba42ef25c4a9e74af1a588
[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" "f941e3e9a97170a376253b3254b973d829035b895eba42ef25c4a9e74af1a588", kill_on_drop: false }`
[INFO] [stderr]    Compiling alpha_sparkle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f941e3e9a97170a376253b3254b973d829035b895eba42ef25c4a9e74af1a588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f941e3e9a97170a376253b3254b973d829035b895eba42ef25c4a9e74af1a588", kill_on_drop: false }`
[INFO] [stdout] f941e3e9a97170a376253b3254b973d829035b895eba42ef25c4a9e74af1a588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] b6696fc6646c4eda3ade1c462944d75ac41de0e69cb7b5945ad1edde9f47925a
[INFO] running `Command { std: "docker" "start" "-a" "b6696fc6646c4eda3ade1c462944d75ac41de0e69cb7b5945ad1edde9f47925a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alpha_sparkle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "b6696fc6646c4eda3ade1c462944d75ac41de0e69cb7b5945ad1edde9f47925a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6696fc6646c4eda3ade1c462944d75ac41de0e69cb7b5945ad1edde9f47925a", kill_on_drop: false }`
[INFO] [stdout] b6696fc6646c4eda3ade1c462944d75ac41de0e69cb7b5945ad1edde9f47925a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 14f6d5fe950a423810dace7ef750a3b5575afd93e90da2e83eebae64b31236cb
[INFO] running `Command { std: "docker" "start" "-a" "14f6d5fe950a423810dace7ef750a3b5575afd93e90da2e83eebae64b31236cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alpha_sparkle-c305a63a3ddd2b99)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test b_is_two_test ... ok
[INFO] [stdout] test non_alphabetic_test ... ok
[INFO] [stdout] test padding_for_b_test ... ok
[INFO] [stdout] test padding_for_z_test ... ok
[INFO] [stdout] test alphabetic_test ... ok
[INFO] [stdout] test z_is_twenty_six ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14f6d5fe950a423810dace7ef750a3b5575afd93e90da2e83eebae64b31236cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f6d5fe950a423810dace7ef750a3b5575afd93e90da2e83eebae64b31236cb", kill_on_drop: false }`
[INFO] [stdout] 14f6d5fe950a423810dace7ef750a3b5575afd93e90da2e83eebae64b31236cb