[INFO] fetching crate snail_sort 1.0.1...
[INFO] testing snail_sort-1.0.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate snail_sort 1.0.1 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate snail_sort 1.0.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snail_sort 1.0.1
[INFO] finished tweaking crates.io crate snail_sort 1.0.1
[INFO] tweaked toml for crates.io crate snail_sort 1.0.1 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fc0719b8b5c44fa999dc45ec794174dd482c7a0ca26da32a1c36c8acf0ffdd
[INFO] running `Command { std: "docker" "start" "-a" "f4fc0719b8b5c44fa999dc45ec794174dd482c7a0ca26da32a1c36c8acf0ffdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fc0719b8b5c44fa999dc45ec794174dd482c7a0ca26da32a1c36c8acf0ffdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fc0719b8b5c44fa999dc45ec794174dd482c7a0ca26da32a1c36c8acf0ffdd", kill_on_drop: false }`
[INFO] [stdout] f4fc0719b8b5c44fa999dc45ec794174dd482c7a0ca26da32a1c36c8acf0ffdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd33f3deb4d6b8917f440976db5984b69aa2e4a3386bbe3989ee4a57dd22407
[INFO] running `Command { std: "docker" "start" "-a" "1fd33f3deb4d6b8917f440976db5984b69aa2e4a3386bbe3989ee4a57dd22407", kill_on_drop: false }`
[INFO] [stderr]    Compiling snail_sort v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "1fd33f3deb4d6b8917f440976db5984b69aa2e4a3386bbe3989ee4a57dd22407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd33f3deb4d6b8917f440976db5984b69aa2e4a3386bbe3989ee4a57dd22407", kill_on_drop: false }`
[INFO] [stdout] 1fd33f3deb4d6b8917f440976db5984b69aa2e4a3386bbe3989ee4a57dd22407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7397ffc9c18920d542addaa613389d1bbb7fe83b61bfb09ba36f49e8ec66ff79
[INFO] running `Command { std: "docker" "start" "-a" "7397ffc9c18920d542addaa613389d1bbb7fe83b61bfb09ba36f49e8ec66ff79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snail_sort v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "7397ffc9c18920d542addaa613389d1bbb7fe83b61bfb09ba36f49e8ec66ff79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7397ffc9c18920d542addaa613389d1bbb7fe83b61bfb09ba36f49e8ec66ff79", kill_on_drop: false }`
[INFO] [stdout] 7397ffc9c18920d542addaa613389d1bbb7fe83b61bfb09ba36f49e8ec66ff79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c762c2116d8e0bcd1c788e79016a0852b4a5976bd39563d44df640298ad96c3
[INFO] running `Command { std: "docker" "start" "-a" "2c762c2116d8e0bcd1c788e79016a0852b4a5976bd39563d44df640298ad96c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snail_sort-9b5683043896a322)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::width_0_with_height_0 ... ok
[INFO] [stdout] test tests::width_3_with_height_4 ... ok
[INFO] [stdout] test tests::bench_7kx7k ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/snail_sort-9b5683043896a322` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2c762c2116d8e0bcd1c788e79016a0852b4a5976bd39563d44df640298ad96c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c762c2116d8e0bcd1c788e79016a0852b4a5976bd39563d44df640298ad96c3", kill_on_drop: false }`
[INFO] [stdout] 2c762c2116d8e0bcd1c788e79016a0852b4a5976bd39563d44df640298ad96c3