[INFO] cloning repository https://github.com/dpatularu/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpatularu/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpatularu%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpatularu%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddc39f345e4dea29ffd1296941d1a8b21327dde2
[INFO] checking dpatularu/chess/ddc39f345e4dea29ffd1296941d1a8b21327dde2 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpatularu%2Fchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpatularu/chess on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpatularu/chess
[INFO] finished tweaking git repo https://github.com/dpatularu/chess
[INFO] tweaked toml for git repo https://github.com/dpatularu/chess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dpatularu/chess 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking dpatularu/chess/ddc39f345e4dea29ffd1296941d1a8b21327dde2 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpatularu%2Fchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpatularu/chess on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpatularu/chess
[INFO] finished tweaking git repo https://github.com/dpatularu/chess
[INFO] tweaked toml for git repo https://github.com/dpatularu/chess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dpatularu/chess 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48f27f9d5b4e76d160eed3b08d844cd058a88884feb9fb2727e48380817bbb3d
[INFO] running `Command { std: "docker" "start" "-a" "48f27f9d5b4e76d160eed3b08d844cd058a88884feb9fb2727e48380817bbb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48f27f9d5b4e76d160eed3b08d844cd058a88884feb9fb2727e48380817bbb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f27f9d5b4e76d160eed3b08d844cd058a88884feb9fb2727e48380817bbb3d", kill_on_drop: false }`
[INFO] [stdout] 48f27f9d5b4e76d160eed3b08d844cd058a88884feb9fb2727e48380817bbb3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1f2c61bc398b2452bff7904b66f331398aafd0be3f29bec0580c86381bad9b5
[INFO] running `Command { std: "docker" "start" "-a" "e1f2c61bc398b2452bff7904b66f331398aafd0be3f29bec0580c86381bad9b5", kill_on_drop: false }`
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `piece_kind`
[INFO] [stdout]   --> src/main.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |                     MoveError::InvalidPromotion(piece_kind) => {}
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `UserMove`
[INFO] [stdout]   --> src/main.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     MoveError::InvalidMove(UserMove) => {}
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_UserMove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winner`
[INFO] [stdout]   --> src/main.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     GameStatus::Checkmate(winner) => {}
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_winner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winner`
[INFO] [stdout]   --> src/main.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |         GameStatus::Checkmate(winner) => {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_winner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `UserMove` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     MoveError::InvalidMove(UserMove) => {}
[INFO] [stdout]    |                                            ^^^^^^^^ help: convert the identifier to snake case: `user_move`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `piece_kind`
[INFO] [stdout]   --> src/main.rs:12:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |                     MoveError::InvalidPromotion(piece_kind) => {}
[INFO] [stdout]    |                                                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_piece_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `UserMove`
[INFO] [stdout]   --> src/main.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     MoveError::InvalidMove(UserMove) => {}
[INFO] [stdout]    |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_UserMove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winner`
[INFO] [stdout]   --> src/main.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |                     GameStatus::Checkmate(winner) => {}
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_winner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `winner`
[INFO] [stdout]   --> src/main.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |         GameStatus::Checkmate(winner) => {}
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_winner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `UserMove` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |                     MoveError::InvalidMove(UserMove) => {}
[INFO] [stdout]    |                                            ^^^^^^^^ help: convert the identifier to snake case: `user_move`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "e1f2c61bc398b2452bff7904b66f331398aafd0be3f29bec0580c86381bad9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f2c61bc398b2452bff7904b66f331398aafd0be3f29bec0580c86381bad9b5", kill_on_drop: false }`
[INFO] [stdout] e1f2c61bc398b2452bff7904b66f331398aafd0be3f29bec0580c86381bad9b5