[INFO] cloning repository https://github.com/Jonwod/tower_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/Jonwod/tower_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 909521200ef3e8171d67a6f32c559ed2a8b7f552
[INFO] testing Jonwod/tower_of_hanoi against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonwod%2Ftower_of_hanoi" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jonwod/tower_of_hanoi on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jonwod/tower_of_hanoi
[INFO] finished tweaking git repo https://github.com/Jonwod/tower_of_hanoi
[INFO] tweaked toml for git repo https://github.com/Jonwod/tower_of_hanoi written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Jonwod/tower_of_hanoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57e101a95aac23ec8450f972777e219e344e3f82d0f813506698189ff24595f5
[INFO] running `Command { std: "docker" "start" "-a" "57e101a95aac23ec8450f972777e219e344e3f82d0f813506698189ff24595f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57e101a95aac23ec8450f972777e219e344e3f82d0f813506698189ff24595f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e101a95aac23ec8450f972777e219e344e3f82d0f813506698189ff24595f5", kill_on_drop: false }`
[INFO] [stdout] 57e101a95aac23ec8450f972777e219e344e3f82d0f813506698189ff24595f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8357d116f9c6bf866be00494bdc93f4693f714ffc822a8b49180f9a8bcd43e4
[INFO] running `Command { std: "docker" "start" "-a" "d8357d116f9c6bf866be00494bdc93f4693f714ffc822a8b49180f9a8bcd43e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "d8357d116f9c6bf866be00494bdc93f4693f714ffc822a8b49180f9a8bcd43e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8357d116f9c6bf866be00494bdc93f4693f714ffc822a8b49180f9a8bcd43e4", kill_on_drop: false }`
[INFO] [stdout] d8357d116f9c6bf866be00494bdc93f4693f714ffc822a8b49180f9a8bcd43e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f75ccfced56332b70e798ac929d50c86d4e75a9913a5696e7ea0e6b301669c3
[INFO] running `Command { std: "docker" "start" "-a" "7f75ccfced56332b70e798ac929d50c86d4e75a9913a5696e7ea0e6b301669c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower_of_hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "7f75ccfced56332b70e798ac929d50c86d4e75a9913a5696e7ea0e6b301669c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f75ccfced56332b70e798ac929d50c86d4e75a9913a5696e7ea0e6b301669c3", kill_on_drop: false }`
[INFO] [stdout] 7f75ccfced56332b70e798ac929d50c86d4e75a9913a5696e7ea0e6b301669c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5d3f256ef07125eb76c25e4b5100721ae3759803d4e0b0f9a75cc4ab6d2fca9
[INFO] running `Command { std: "docker" "start" "-a" "c5d3f256ef07125eb76c25e4b5100721ae3759803d4e0b0f9a75cc4ab6d2fca9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_of_hanoi-dcf48103bc5e6c58)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5d3f256ef07125eb76c25e4b5100721ae3759803d4e0b0f9a75cc4ab6d2fca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d3f256ef07125eb76c25e4b5100721ae3759803d4e0b0f9a75cc4ab6d2fca9", kill_on_drop: false }`
[INFO] [stdout] c5d3f256ef07125eb76c25e4b5100721ae3759803d4e0b0f9a75cc4ab6d2fca9