[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#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstefanMadzharov%2Ftowers_of_hanoi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefanMadzharov/towers_of_hanoi on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 242fb0191a935e519db7e94d228432fc2ca3d4e2e00319fa5e18ac5e758ed126
[INFO] running `Command { std: "docker" "start" "-a" "242fb0191a935e519db7e94d228432fc2ca3d4e2e00319fa5e18ac5e758ed126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "242fb0191a935e519db7e94d228432fc2ca3d4e2e00319fa5e18ac5e758ed126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "242fb0191a935e519db7e94d228432fc2ca3d4e2e00319fa5e18ac5e758ed126", kill_on_drop: false }`
[INFO] [stdout] 242fb0191a935e519db7e94d228432fc2ca3d4e2e00319fa5e18ac5e758ed126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] d520a3301502d45fbd59d6e5a1dd4151a4e9af0576d4535bb4ecfcbcaa39d650
[INFO] running `Command { std: "docker" "start" "-a" "d520a3301502d45fbd59d6e5a1dd4151a4e9af0576d4535bb4ecfcbcaa39d650", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "d520a3301502d45fbd59d6e5a1dd4151a4e9af0576d4535bb4ecfcbcaa39d650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d520a3301502d45fbd59d6e5a1dd4151a4e9af0576d4535bb4ecfcbcaa39d650", kill_on_drop: false }`
[INFO] [stdout] d520a3301502d45fbd59d6e5a1dd4151a4e9af0576d4535bb4ecfcbcaa39d650
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] b9f0460567c69c107d373d943d91f513e6d4bc6575e6148d692f4f57e4755d12
[INFO] running `Command { std: "docker" "start" "-a" "b9f0460567c69c107d373d943d91f513e6d4bc6575e6148d692f4f57e4755d12", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "b9f0460567c69c107d373d943d91f513e6d4bc6575e6148d692f4f57e4755d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f0460567c69c107d373d943d91f513e6d4bc6575e6148d692f4f57e4755d12", kill_on_drop: false }`
[INFO] [stdout] b9f0460567c69c107d373d943d91f513e6d4bc6575e6148d692f4f57e4755d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] bd3a324f05e221d7c742b86a68d61b884af895edc9abc0bfb678fe55a25e6653
[INFO] running `Command { std: "docker" "start" "-a" "bd3a324f05e221d7c742b86a68d61b884af895edc9abc0bfb678fe55a25e6653", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/towers-of-hanoi/e4f0e6b4c80e79c9/deps/towers_of_hanoi-e4f0e6b4c80e79c9)
[INFO] [stdout] 
[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_two_disks ... ok
[INFO] [stdout] test tests::test_zero_disks ... ok
[INFO] [stdout] test tests::test_non_standard_names ... 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] [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/build/towers-of-hanoi/e4f0e6b4c80e79c9/deps/towers_of_hanoi-e4f0e6b4c80e79c9` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "bd3a324f05e221d7c742b86a68d61b884af895edc9abc0bfb678fe55a25e6653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3a324f05e221d7c742b86a68d61b884af895edc9abc0bfb678fe55a25e6653", kill_on_drop: false }`
[INFO] [stdout] bd3a324f05e221d7c742b86a68d61b884af895edc9abc0bfb678fe55a25e6653
