[INFO] cloning repository https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanMadzharov/towers_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b97af1103769469aaf47a9218678a4ae21526ca
[INFO] testing stefanMadzharov/towers_of_hanoi against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] finished tweaking git repo https://github.com/stefanMadzharov/towers_of_hanoi
[INFO] tweaked toml for git repo https://github.com/stefanMadzharov/towers_of_hanoi written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefanMadzharov/towers_of_hanoi on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stefanMadzharov/towers_of_hanoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30b5c9092cf397d51b67359b257b03b076bf5b989d4e7e2e5d4edd2c02af6d54
[INFO] running `Command { std: "docker" "start" "-a" "30b5c9092cf397d51b67359b257b03b076bf5b989d4e7e2e5d4edd2c02af6d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30b5c9092cf397d51b67359b257b03b076bf5b989d4e7e2e5d4edd2c02af6d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b5c9092cf397d51b67359b257b03b076bf5b989d4e7e2e5d4edd2c02af6d54", kill_on_drop: false }`
[INFO] [stdout] 30b5c9092cf397d51b67359b257b03b076bf5b989d4e7e2e5d4edd2c02af6d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac95ecd31eb929b712b901a5f4a2e66455c171f139c97773170049b92a9942f9
[INFO] running `Command { std: "docker" "start" "-a" "ac95ecd31eb929b712b901a5f4a2e66455c171f139c97773170049b92a9942f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling towers-of-hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hanoi` is never used
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn hanoi(n: u32, source: &str, target: &str, auxiliary: &str) -> Vec<(String, String)> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ac95ecd31eb929b712b901a5f4a2e66455c171f139c97773170049b92a9942f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac95ecd31eb929b712b901a5f4a2e66455c171f139c97773170049b92a9942f9", kill_on_drop: false }`
[INFO] [stdout] ac95ecd31eb929b712b901a5f4a2e66455c171f139c97773170049b92a9942f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68f5cd075ccc0c1cc068bc2f88fd063853a530e39499a5bdebf67e1d71c23588
[INFO] running `Command { std: "docker" "start" "-a" "68f5cd075ccc0c1cc068bc2f88fd063853a530e39499a5bdebf67e1d71c23588", kill_on_drop: false }`
[INFO] [stderr]    Compiling towers-of-hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "68f5cd075ccc0c1cc068bc2f88fd063853a530e39499a5bdebf67e1d71c23588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68f5cd075ccc0c1cc068bc2f88fd063853a530e39499a5bdebf67e1d71c23588", kill_on_drop: false }`
[INFO] [stdout] 68f5cd075ccc0c1cc068bc2f88fd063853a530e39499a5bdebf67e1d71c23588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df53d753877247330a063ab7fd6986e74601fd47cfcaf3fc752b9dbbf3ed2c9d
[INFO] running `Command { std: "docker" "start" "-a" "df53d753877247330a063ab7fd6986e74601fd47cfcaf3fc752b9dbbf3ed2c9d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/towers_of_hanoi-e4f0e6b4c80e79c9)
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_4_discs ... ok
[INFO] [stdout] test tests::test_7_discs ... ok
[INFO] [stdout] test tests::test_one_disk ... ok
[INFO] [stdout] test tests::test_three_disks ... ok
[INFO] [stdout] test tests::test_move_count ... ok
[INFO] [stdout] test tests::test_zero_disks ... ok
[INFO] [stdout] test tests::test_non_standard_names ... ok
[INFO] [stdout] test tests::test_two_disks ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin towers-of-hanoi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/towers_of_hanoi-e4f0e6b4c80e79c9` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "df53d753877247330a063ab7fd6986e74601fd47cfcaf3fc752b9dbbf3ed2c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df53d753877247330a063ab7fd6986e74601fd47cfcaf3fc752b9dbbf3ed2c9d", kill_on_drop: false }`
[INFO] [stdout] df53d753877247330a063ab7fd6986e74601fd47cfcaf3fc752b9dbbf3ed2c9d
