Dec 05 16:39:16.725 INFO checking apath-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:39:16.725 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 16:39:16.910 INFO [stdout] 329ba3432e8aa91bc0fdb941d2e3fa733a1078544dcd0bf03779052856fd7f60
Dec 05 16:39:16.912 INFO running `"docker" "start" "-a" "329ba3432e8aa91bc0fdb941d2e3fa733a1078544dcd0bf03779052856fd7f60"`
Dec 05 16:39:17.487 INFO [stderr] usermod: no changes
Dec 05 16:39:17.564 INFO [stderr]     Checking apath v0.1.0 (/source)
Dec 05 16:39:19.330 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:39:19.330 INFO [stderr]    --> src/lib.rs:327:55
Dec 05 16:39:19.330 INFO [stderr]     |
Dec 05 16:39:19.330 INFO [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
Dec 05 16:39:19.330 INFO [stderr]     |                                                          ----^^^^^^
Dec 05 16:39:19.330 INFO [stderr]     |                                                          |
Dec 05 16:39:19.330 INFO [stderr]     |                                                          help: remove this `mut`
Dec 05 16:39:19.335 INFO [stderr]     |
Dec 05 16:39:19.335 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:39:19.335 INFO [stderr] 
Dec 05 16:39:19.350 INFO [stderr] warning: method is never used: `rem_obs_at`
Dec 05 16:39:19.350 INFO [stderr]    --> src/lib.rs:112:2
Dec 05 16:39:19.350 INFO [stderr]     |
Dec 05 16:39:19.351 INFO [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
Dec 05 16:39:19.351 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:39:19.355 INFO [stderr]     |
Dec 05 16:39:19.355 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 16:39:19.355 INFO [stderr] 
Dec 05 16:39:19.759 INFO [stderr] warning: variable does not need to be mutable
Dec 05 16:39:19.759 INFO [stderr]    --> src/lib.rs:327:55
Dec 05 16:39:19.759 INFO [stderr]     |
Dec 05 16:39:19.759 INFO [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
Dec 05 16:39:19.759 INFO [stderr]     |                                                          ----^^^^^^
Dec 05 16:39:19.759 INFO [stderr]     |                                                          |
Dec 05 16:39:19.759 INFO [stderr]     |                                                          help: remove this `mut`
Dec 05 16:39:19.759 INFO [stderr]     |
Dec 05 16:39:19.759 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 16:39:19.759 INFO [stderr] 
Dec 05 16:39:19.773 INFO [stderr] warning: method is never used: `rem_obs_at`
Dec 05 16:39:19.773 INFO [stderr]    --> src/lib.rs:112:2
Dec 05 16:39:19.773 INFO [stderr]     |
Dec 05 16:39:19.773 INFO [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
Dec 05 16:39:19.773 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:39:19.773 INFO [stderr]     |
Dec 05 16:39:19.773 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 16:39:19.773 INFO [stderr] 
Dec 05 16:39:19.799 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
Dec 05 16:39:19.807 INFO [stderr] su: No module specific data is present
Dec 05 16:39:20.132 INFO running `"docker" "inspect" "329ba3432e8aa91bc0fdb941d2e3fa733a1078544dcd0bf03779052856fd7f60"`
Dec 05 16:39:20.252 INFO running `"docker" "rm" "-f" "329ba3432e8aa91bc0fdb941d2e3fa733a1078544dcd0bf03779052856fd7f60"`
Dec 05 16:39:20.427 INFO [stdout] 329ba3432e8aa91bc0fdb941d2e3fa733a1078544dcd0bf03779052856fd7f60