Dec 18 18:29:37.100 INFO checking apath-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 18:29:37.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/apath/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:29:37.367 INFO [stdout] 6b502b725956187391f21ca37364cf967c244f510b1a0adffa28598f536987a9
Dec 18 18:29:37.369 INFO running `"docker" "start" "-a" "6b502b725956187391f21ca37364cf967c244f510b1a0adffa28598f536987a9"`
Dec 18 18:29:38.189 INFO [stderr]     Checking nalgebra v0.8.2
Dec 18 18:29:47.144 INFO [stderr]     Checking apath v0.1.0 (/opt/crater/workdir)
Dec 18 18:29:47.959 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:29:47.959 INFO [stderr]    --> src/lib.rs:327:55
Dec 18 18:29:47.959 INFO [stderr]     |
Dec 18 18:29:47.959 INFO [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
Dec 18 18:29:47.959 INFO [stderr]     |                                                          ----^^^^^^
Dec 18 18:29:47.959 INFO [stderr]     |                                                          |
Dec 18 18:29:47.960 INFO [stderr]     |                                                          help: remove this `mut`
Dec 18 18:29:47.961 INFO [stderr]     |
Dec 18 18:29:47.964 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 18:29:47.964 INFO [stderr] 
Dec 18 18:29:47.972 INFO [stderr] warning: method is never used: `rem_obs_at`
Dec 18 18:29:47.973 INFO [stderr]    --> src/lib.rs:112:2
Dec 18 18:29:47.973 INFO [stderr]     |
Dec 18 18:29:47.976 INFO [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
Dec 18 18:29:47.976 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:29:47.976 INFO [stderr]     |
Dec 18 18:29:47.976 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 18:29:47.976 INFO [stderr] 
Dec 18 18:29:48.181 INFO [stderr] warning: variable does not need to be mutable
Dec 18 18:29:48.181 INFO [stderr]    --> src/lib.rs:327:55
Dec 18 18:29:48.181 INFO [stderr]     |
Dec 18 18:29:48.181 INFO [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
Dec 18 18:29:48.181 INFO [stderr]     |                                                          ----^^^^^^
Dec 18 18:29:48.181 INFO [stderr]     |                                                          |
Dec 18 18:29:48.181 INFO [stderr]     |                                                          help: remove this `mut`
Dec 18 18:29:48.181 INFO [stderr]     |
Dec 18 18:29:48.182 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 18:29:48.182 INFO [stderr] 
Dec 18 18:29:48.200 INFO [stderr] warning: method is never used: `rem_obs_at`
Dec 18 18:29:48.200 INFO [stderr]    --> src/lib.rs:112:2
Dec 18 18:29:48.200 INFO [stderr]     |
Dec 18 18:29:48.220 INFO [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
Dec 18 18:29:48.220 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:29:48.220 INFO [stderr]     |
Dec 18 18:29:48.220 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 18:29:48.220 INFO [stderr] 
Dec 18 18:29:48.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
Dec 18 18:29:49.264 INFO running `"docker" "inspect" "6b502b725956187391f21ca37364cf967c244f510b1a0adffa28598f536987a9"`
Dec 18 18:29:49.574 INFO running `"docker" "rm" "-f" "6b502b725956187391f21ca37364cf967c244f510b1a0adffa28598f536987a9"`
Dec 18 18:29:49.855 INFO [stdout] 6b502b725956187391f21ca37364cf967c244f510b1a0adffa28598f536987a9