[INFO] cloning repository https://github.com/TidyMaze/Twixt-PP
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TidyMaze/Twixt-PP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTidyMaze%2FTwixt-PP", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTidyMaze%2FTwixt-PP'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c6c117fb81bc958ce7f323de8d101080a418739
[INFO] checking TidyMaze/Twixt-PP against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTidyMaze%2FTwixt-PP" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TidyMaze/Twixt-PP on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TidyMaze/Twixt-PP
[INFO] finished tweaking git repo https://github.com/TidyMaze/Twixt-PP
[INFO] tweaked toml for git repo https://github.com/TidyMaze/Twixt-PP written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TidyMaze/Twixt-PP already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f00bc9fd87a72f0bc651e1ecafcc9c2947998f3b6745b4de51475f8c0a51da54
[INFO] running `Command { std: "docker" "start" "-a" "f00bc9fd87a72f0bc651e1ecafcc9c2947998f3b6745b4de51475f8c0a51da54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00bc9fd87a72f0bc651e1ecafcc9c2947998f3b6745b4de51475f8c0a51da54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00bc9fd87a72f0bc651e1ecafcc9c2947998f3b6745b4de51475f8c0a51da54", kill_on_drop: false }`
[INFO] [stdout] f00bc9fd87a72f0bc651e1ecafcc9c2947998f3b6745b4de51475f8c0a51da54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70814dc4d25a234d42a4bc291d64296d0e0745b28f99ca76d74cab1b1d7cda1
[INFO] running `Command { std: "docker" "start" "-a" "a70814dc4d25a234d42a4bc291d64296d0e0745b28f99ca76d74cab1b1d7cda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking twixt_pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `play_action` is never used
[INFO] [stdout]    --> src/main.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn play_action(mut g: Grid, c: Coord, p: u8) -> Grid {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a70814dc4d25a234d42a4bc291d64296d0e0745b28f99ca76d74cab1b1d7cda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70814dc4d25a234d42a4bc291d64296d0e0745b28f99ca76d74cab1b1d7cda1", kill_on_drop: false }`
[INFO] [stdout] a70814dc4d25a234d42a4bc291d64296d0e0745b28f99ca76d74cab1b1d7cda1