Dec 19 12:40:42.593 INFO checking michiel/toy-robot-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:40:42.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/michiel/toy-robot-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:40:43.020 INFO [stdout] 3cadae8c3fdfce67f27b971bc7f1f5745756270f661017066527da4c07ecf37f
Dec 19 12:40:43.020 INFO running `"docker" "start" "-a" "3cadae8c3fdfce67f27b971bc7f1f5745756270f661017066527da4c07ecf37f"`
Dec 19 12:40:44.812 INFO [stderr]    Compiling peg v0.5.1
Dec 19 12:40:48.657 INFO [stderr]    Compiling toy-robot v0.1.0 (/opt/crater/workdir)
Dec 19 12:40:50.160 INFO [stderr] warning: field is never used: `state`
Dec 19 12:40:50.160 INFO [stderr]   --> src/main.rs:50:5
Dec 19 12:40:50.160 INFO [stderr]    |
Dec 19 12:40:50.160 INFO [stderr] 50 |     state: SimulationState,
Dec 19 12:40:50.160 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:40:50.163 INFO [stderr]    |
Dec 19 12:40:50.163 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:40:50.163 INFO [stderr] 
Dec 19 12:40:50.163 INFO [stderr] warning: field is never used: `board`
Dec 19 12:40:50.164 INFO [stderr]   --> src/main.rs:51:5
Dec 19 12:40:50.164 INFO [stderr]    |
Dec 19 12:40:50.164 INFO [stderr] 51 |     board: Board,
Dec 19 12:40:50.164 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 12:40:50.164 INFO [stderr] 
Dec 19 12:40:50.164 INFO [stderr] warning: field is never used: `robot`
Dec 19 12:40:50.164 INFO [stderr]   --> src/main.rs:52:5
Dec 19 12:40:50.164 INFO [stderr]    |
Dec 19 12:40:50.164 INFO [stderr] 52 |     robot: Robot,
Dec 19 12:40:50.164 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 12:40:50.164 INFO [stderr] 
Dec 19 12:40:50.201 INFO [stderr] warning: field is never used: `state`
Dec 19 12:40:50.201 INFO [stderr]   --> src/main.rs:50:5
Dec 19 12:40:50.201 INFO [stderr]    |
Dec 19 12:40:50.201 INFO [stderr] 50 |     state: SimulationState,
Dec 19 12:40:50.201 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:40:50.201 INFO [stderr]    |
Dec 19 12:40:50.201 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:40:50.201 INFO [stderr] 
Dec 19 12:40:50.201 INFO [stderr] warning: field is never used: `board`
Dec 19 12:40:50.201 INFO [stderr]   --> src/main.rs:51:5
Dec 19 12:40:50.201 INFO [stderr]    |
Dec 19 12:40:50.201 INFO [stderr] 51 |     board: Board,
Dec 19 12:40:50.201 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 12:40:50.201 INFO [stderr] 
Dec 19 12:40:50.201 INFO [stderr] warning: field is never used: `robot`
Dec 19 12:40:50.201 INFO [stderr]   --> src/main.rs:52:5
Dec 19 12:40:50.201 INFO [stderr]    |
Dec 19 12:40:50.201 INFO [stderr] 52 |     robot: Robot,
Dec 19 12:40:50.201 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 12:40:50.201 INFO [stderr] 
Dec 19 12:40:50.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
Dec 19 12:40:51.279 INFO running `"docker" "inspect" "3cadae8c3fdfce67f27b971bc7f1f5745756270f661017066527da4c07ecf37f"`
Dec 19 12:40:51.652 INFO running `"docker" "rm" "-f" "3cadae8c3fdfce67f27b971bc7f1f5745756270f661017066527da4c07ecf37f"`
Dec 19 12:40:52.024 INFO [stdout] 3cadae8c3fdfce67f27b971bc7f1f5745756270f661017066527da4c07ecf37f