[INFO] cloning repository https://github.com/michaelb/shogai
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelb/shogai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fshogai"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fshogai'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 128bd84529ad44be5486f99e0e32108559f19eaa
[INFO] checking michaelb/shogai against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelb%2Fshogai" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaelb/shogai on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/michaelb/shogai
[INFO] finished tweaking git repo https://github.com/michaelb/shogai
[INFO] tweaked toml for git repo https://github.com/michaelb/shogai written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelb/shogai already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dc961f122a1976d26d29f50e22d33eb95b5756bb0d072c5abef83261064a70b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "dc961f122a1976d26d29f50e22d33eb95b5756bb0d072c5abef83261064a70b6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking shogai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `export`
[INFO] [stderr]   --> src/board.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn export(&self) -> Vec<Piece> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `export`
[INFO] [stderr]   --> src/board.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn export(&self) -> Vec<Piece> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `invert`
[INFO] [stderr]   --> src/piece.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn invert(&mut self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `move_to`
[INFO] [stderr]   --> src/piece.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn move_to(&mut self, dest_square: Position) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/piece.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn remove(&mut self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "dc961f122a1976d26d29f50e22d33eb95b5756bb0d072c5abef83261064a70b6"`
[INFO] running `"docker" "rm" "-f" "dc961f122a1976d26d29f50e22d33eb95b5756bb0d072c5abef83261064a70b6"`
[INFO] [stdout] dc961f122a1976d26d29f50e22d33eb95b5756bb0d072c5abef83261064a70b6