[INFO] cloning repository https://github.com/captain-yossarian/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/captain-yossarian/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptain-yossarian%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptain-yossarian%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd2db56039503b914d67c0f00c29e001ae7ab784
[INFO] testing captain-yossarian/algorithms against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaptain-yossarian%2Falgorithms" "/workspace/builds/worker-112/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/captain-yossarian/algorithms on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/captain-yossarian/algorithms
[INFO] finished tweaking git repo https://github.com/captain-yossarian/algorithms
[INFO] tweaked toml for git repo https://github.com/captain-yossarian/algorithms written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate git repo https://github.com/captain-yossarian/algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f259405a1027085c1e3e1436277aa5316e5ef1d34ec116e4398b3f137573583
[INFO] running `Command { std: "docker" "start" "-a" "7f259405a1027085c1e3e1436277aa5316e5ef1d34ec116e4398b3f137573583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f259405a1027085c1e3e1436277aa5316e5ef1d34ec116e4398b3f137573583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f259405a1027085c1e3e1436277aa5316e5ef1d34ec116e4398b3f137573583", kill_on_drop: false }`
[INFO] [stdout] 7f259405a1027085c1e3e1436277aa5316e5ef1d34ec116e4398b3f137573583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc0178bd3e3578b1c6418f6a92f2569c3f87ae6d9d76e8d41861e48fc10a5f0
[INFO] running `Command { std: "docker" "start" "-a" "bbc0178bd3e3578b1c6418f6a92f2569c3f87ae6d9d76e8d41861e48fc10a5f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling union_find v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item after doc comment
[INFO] [stdout]    --> src/min_heap.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | ///https://www.youtube.com/watch?v=t0Cq6tVNRBA
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `min_heap::MinHeap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use min_heap::MinHeap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `MinHeap` in `min_heap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `union_find` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "bbc0178bd3e3578b1c6418f6a92f2569c3f87ae6d9d76e8d41861e48fc10a5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc0178bd3e3578b1c6418f6a92f2569c3f87ae6d9d76e8d41861e48fc10a5f0", kill_on_drop: false }`
[INFO] [stdout] bbc0178bd3e3578b1c6418f6a92f2569c3f87ae6d9d76e8d41861e48fc10a5f0