[INFO] cloning repository https://github.com/kucingandromeda/DFS-MAZE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kucingandromeda/DFS-MAZE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2FDFS-MAZE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2FDFS-MAZE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff45ae4342d5b8a82241b83e2ec32ad1dcc5dda0
[INFO] checking kucingandromeda/DFS-MAZE against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2FDFS-MAZE" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kucingandromeda/DFS-MAZE
[INFO] finished tweaking git repo https://github.com/kucingandromeda/DFS-MAZE
[INFO] tweaked toml for git repo https://github.com/kucingandromeda/DFS-MAZE written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kucingandromeda/DFS-MAZE on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kucingandromeda/DFS-MAZE 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking kucingandromeda/DFS-MAZE against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkucingandromeda%2FDFS-MAZE" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kucingandromeda/DFS-MAZE
[INFO] finished tweaking git repo https://github.com/kucingandromeda/DFS-MAZE
[INFO] tweaked toml for git repo https://github.com/kucingandromeda/DFS-MAZE written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kucingandromeda/DFS-MAZE on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kucingandromeda/DFS-MAZE 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ac1d6010c3841619e5135fbbddea50e7ce68f258ba945b72426a5d616f7265
[INFO] running `Command { std: "docker" "start" "-a" "e6ac1d6010c3841619e5135fbbddea50e7ce68f258ba945b72426a5d616f7265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ac1d6010c3841619e5135fbbddea50e7ce68f258ba945b72426a5d616f7265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ac1d6010c3841619e5135fbbddea50e7ce68f258ba945b72426a5d616f7265", kill_on_drop: false }`
[INFO] [stdout] e6ac1d6010c3841619e5135fbbddea50e7ce68f258ba945b72426a5d616f7265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305387efc91dd18af70321ded0412537bbe7a51527e6bccd3593a7460e77fbcf
[INFO] running `Command { std: "docker" "start" "-a" "305387efc91dd18af70321ded0412537bbe7a51527e6bccd3593a7460e77fbcf", kill_on_drop: false }`
[INFO] [stderr]     Checking DFZ_MAZE v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `PositionPoist` is never used
[INFO] [stdout]  --> src/maze_engine.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     enum PositionPoist {
[INFO] [stdout]   |          ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PositionPoist` is never used
[INFO] [stdout]  --> src/maze_engine.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     enum PositionPoist {
[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 0.08s
[INFO] running `Command { std: "docker" "inspect" "305387efc91dd18af70321ded0412537bbe7a51527e6bccd3593a7460e77fbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305387efc91dd18af70321ded0412537bbe7a51527e6bccd3593a7460e77fbcf", kill_on_drop: false }`
[INFO] [stdout] 305387efc91dd18af70321ded0412537bbe7a51527e6bccd3593a7460e77fbcf