[INFO] cloning repository https://github.com/raywiis/word_ladder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raywiis/word_ladder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a2c554be98545f58aa6ecb73f2877b0b0205f0c
[INFO] testing raywiis/word_ladder against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2Fword_ladder" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raywiis/word_ladder on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raywiis/word_ladder
[INFO] finished tweaking git repo https://github.com/raywiis/word_ladder
[INFO] tweaked toml for git repo https://github.com/raywiis/word_ladder written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/raywiis/word_ladder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e423472bf689947b231c99996d5903ca5979ae50b97b3207ceafcf623cc04e0c
[INFO] running `Command { std: "docker" "start" "-a" "e423472bf689947b231c99996d5903ca5979ae50b97b3207ceafcf623cc04e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e423472bf689947b231c99996d5903ca5979ae50b97b3207ceafcf623cc04e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e423472bf689947b231c99996d5903ca5979ae50b97b3207ceafcf623cc04e0c", kill_on_drop: false }`
[INFO] [stdout] e423472bf689947b231c99996d5903ca5979ae50b97b3207ceafcf623cc04e0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e401aead3290e83bf3e47362e77dca333c0600847a505225e40be53798245fc
[INFO] running `Command { std: "docker" "start" "-a" "6e401aead3290e83bf3e47362e77dca333c0600847a505225e40be53798245fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "6e401aead3290e83bf3e47362e77dca333c0600847a505225e40be53798245fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e401aead3290e83bf3e47362e77dca333c0600847a505225e40be53798245fc", kill_on_drop: false }`
[INFO] [stdout] 6e401aead3290e83bf3e47362e77dca333c0600847a505225e40be53798245fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4af7f06582530579396eaed0a15801fcfc461703b52da26876a9ed6d092beb4
[INFO] running `Command { std: "docker" "start" "-a" "b4af7f06582530579396eaed0a15801fcfc461703b52da26876a9ed6d092beb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ladder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.89s
[INFO] running `Command { std: "docker" "inspect" "b4af7f06582530579396eaed0a15801fcfc461703b52da26876a9ed6d092beb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4af7f06582530579396eaed0a15801fcfc461703b52da26876a9ed6d092beb4", kill_on_drop: false }`
[INFO] [stdout] b4af7f06582530579396eaed0a15801fcfc461703b52da26876a9ed6d092beb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a15fae42aca0806386163e0d0644f19d36543cd2212ffc3048942121e473aa
[INFO] running `Command { std: "docker" "start" "-a" "40a15fae42aca0806386163e0d0644f19d36543cd2212ffc3048942121e473aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ladder-fdbf93a38234a73b)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::case_3 ... ok
[INFO] [stdout] test tests::case_1 ... ok
[INFO] [stdout] test tests::case_2 ... ok
[INFO] [stdout] test tests::make_splits_1 ... ok
[INFO] [stdout] test tests::case_5 ... ok
[INFO] [stdout] test tests::make_splits_2 ... ok
[INFO] [stdout] test tests::case_4 ... ok
[INFO] [stdout] test tests::case_6 ... ok
[INFO] [stdout] test tests::case_7 ... ok
[INFO] [stdout] test tests::case_8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40a15fae42aca0806386163e0d0644f19d36543cd2212ffc3048942121e473aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a15fae42aca0806386163e0d0644f19d36543cd2212ffc3048942121e473aa", kill_on_drop: false }`
[INFO] [stdout] 40a15fae42aca0806386163e0d0644f19d36543cd2212ffc3048942121e473aa