[INFO] cloning repository https://github.com/jalpert/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jalpert/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdaee32911fd080c03bfb878539f4a701f15af58
[INFO] checking jalpert/rust-chess against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalpert%2Frust-chess" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalpert/rust-chess on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jalpert/rust-chess
[INFO] finished tweaking git repo https://github.com/jalpert/rust-chess
[INFO] tweaked toml for git repo https://github.com/jalpert/rust-chess written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] crate git repo https://github.com/jalpert/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d7953ed1c7cc32d14aeb7b85570694830fa15a9d6bb4bf0ce275695b634552
[INFO] running `Command { std: "docker" "start" "-a" "19d7953ed1c7cc32d14aeb7b85570694830fa15a9d6bb4bf0ce275695b634552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d7953ed1c7cc32d14aeb7b85570694830fa15a9d6bb4bf0ce275695b634552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d7953ed1c7cc32d14aeb7b85570694830fa15a9d6bb4bf0ce275695b634552", kill_on_drop: false }`
[INFO] [stdout] 19d7953ed1c7cc32d14aeb7b85570694830fa15a9d6bb4bf0ce275695b634552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2cb294b9690d0ce9133eda5ee280dce01eee4e5b592d6639e301c60141f3025
[INFO] running `Command { std: "docker" "start" "-a" "d2cb294b9690d0ce9133eda5ee280dce01eee4e5b592d6639e301c60141f3025", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking itertools v0.9.0
[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 chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/board/factory.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn empty(player: Color, turn_no: u8) -> Board {
[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 4.91s
[INFO] running `Command { std: "docker" "inspect" "d2cb294b9690d0ce9133eda5ee280dce01eee4e5b592d6639e301c60141f3025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cb294b9690d0ce9133eda5ee280dce01eee4e5b592d6639e301c60141f3025", kill_on_drop: false }`
[INFO] [stdout] d2cb294b9690d0ce9133eda5ee280dce01eee4e5b592d6639e301c60141f3025