[INFO] updating cached repository https://github.com/danbruce/chess-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae7c93ff236474938284474c92d183e751f83a6f
[INFO] testing danbruce/chess-rs against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruce%2Fchess-rs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbruce/chess-rs on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/danbruce/chess-rs
[INFO] finished tweaking git repo https://github.com/danbruce/chess-rs
[INFO] tweaked toml for git repo https://github.com/danbruce/chess-rs written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruce/chess-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cdea17be62e7212b3b9e5fa73b10a8908e8dc4fe4e9a4b2f006f36d5c768e51b
[INFO] running `"docker" "start" "-a" "cdea17be62e7212b3b9e5fa73b10a8908e8dc4fe4e9a4b2f006f36d5c768e51b"`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     file: u8,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rank`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rank: u8,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "cdea17be62e7212b3b9e5fa73b10a8908e8dc4fe4e9a4b2f006f36d5c768e51b"`
[INFO] running `"docker" "rm" "-f" "cdea17be62e7212b3b9e5fa73b10a8908e8dc4fe4e9a4b2f006f36d5c768e51b"`
[INFO] [stdout] cdea17be62e7212b3b9e5fa73b10a8908e8dc4fe4e9a4b2f006f36d5c768e51b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fab5e7a0eabe26621fee220aba1d6d817a6fa416f14169407855130bf33d82ec
[INFO] running `"docker" "start" "-a" "fab5e7a0eabe26621fee220aba1d6d817a6fa416f14169407855130bf33d82ec"`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     file: u8,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rank`
[INFO] [stderr]  --> src/board.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rank: u8,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "fab5e7a0eabe26621fee220aba1d6d817a6fa416f14169407855130bf33d82ec"`
[INFO] running `"docker" "rm" "-f" "fab5e7a0eabe26621fee220aba1d6d817a6fa416f14169407855130bf33d82ec"`
[INFO] [stdout] fab5e7a0eabe26621fee220aba1d6d817a6fa416f14169407855130bf33d82ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] b55814c6bcee6e3e06d19b451b565de0036967a4b68bec856d9e672b027da491
[INFO] running `"docker" "start" "-a" "b55814c6bcee6e3e06d19b451b565de0036967a4b68bec856d9e672b027da491"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chess-ce74c1322e0f2427
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b55814c6bcee6e3e06d19b451b565de0036967a4b68bec856d9e672b027da491"`
[INFO] running `"docker" "rm" "-f" "b55814c6bcee6e3e06d19b451b565de0036967a4b68bec856d9e672b027da491"`
[INFO] [stdout] b55814c6bcee6e3e06d19b451b565de0036967a4b68bec856d9e672b027da491