Dec 18 08:26:53.636 INFO checking Baelyk/minesweeper against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:26:53.637 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Baelyk/minesweeper:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:26:54.238 INFO [stdout] 9d3ba078288eba51189ed80010bee4a318a883df7e46c171fff709f8012d7bb2
Dec 18 08:26:54.240 INFO running `"docker" "start" "-a" "9d3ba078288eba51189ed80010bee4a318a883df7e46c171fff709f8012d7bb2"`
Dec 18 08:26:57.371 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 18 08:26:57.372 INFO [stderr]    Compiling syn v0.13.3
Dec 18 08:26:57.372 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 18 08:26:57.413 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 18 08:26:57.415 INFO [stderr]    Compiling gfx_gl v0.4.0
Dec 18 08:27:08.656 INFO [stderr]    Compiling gl v0.6.5
Dec 18 08:27:23.862 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 18 08:27:30.488 INFO [stderr]    Compiling serde_derive v1.0.43
Dec 18 08:27:32.224 INFO [stderr]     Checking gfx_device_gl v0.14.6
Dec 18 08:27:34.640 INFO [stderr]    Compiling libloading v0.3.4
Dec 18 08:27:39.452 INFO [stderr]     Checking dlib v0.3.1
Dec 18 08:27:39.828 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 18 08:27:40.299 INFO [stderr]     Checking wayland-client v0.9.10
Dec 18 08:27:43.260 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 18 08:27:43.260 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 18 08:27:48.223 INFO [stderr]     Checking pistoncore-input v0.19.0
Dec 18 08:27:48.864 INFO [stderr]     Checking wayland-window v0.7.0
Dec 18 08:27:49.769 INFO [stderr]     Checking winit v0.7.6
Dec 18 08:27:52.758 INFO [stderr]     Checking glutin v0.9.2
Dec 18 08:27:53.836 INFO [stderr]     Checking pistoncore-window v0.28.0
Dec 18 08:27:56.086 INFO [stderr]     Checking pistoncore-event_loop v0.33.0
Dec 18 08:27:56.088 INFO [stderr]     Checking pistoncore-glutin_window v0.39.1
Dec 18 08:27:57.280 INFO [stderr]     Checking piston v0.33.0
Dec 18 08:27:58.244 INFO [stderr]     Checking piston_window v0.70.0
Dec 18 08:28:00.246 INFO [stderr]     Checking minesweeper v0.1.0 (/opt/crater/workdir)
Dec 18 08:28:02.988 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:28:02.988 INFO [stderr]   --> src/main.rs:53:9
Dec 18 08:28:02.988 INFO [stderr]    |
Dec 18 08:28:02.988 INFO [stderr] 53 |     let mut update = true;
Dec 18 08:28:02.988 INFO [stderr]    |         ----^^^^^^
Dec 18 08:28:02.988 INFO [stderr]    |         |
Dec 18 08:28:02.988 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:28:02.988 INFO [stderr]    |
Dec 18 08:28:02.988 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:28:02.988 INFO [stderr] 
Dec 18 08:28:03.003 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:28:03.003 INFO [stderr]   --> src/main.rs:53:9
Dec 18 08:28:03.003 INFO [stderr]    |
Dec 18 08:28:03.003 INFO [stderr] 53 |     let mut update = true;
Dec 18 08:28:03.003 INFO [stderr]    |         ----^^^^^^
Dec 18 08:28:03.003 INFO [stderr]    |         |
Dec 18 08:28:03.003 INFO [stderr]    |         help: remove this `mut`
Dec 18 08:28:03.003 INFO [stderr]    |
Dec 18 08:28:03.003 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 08:28:03.003 INFO [stderr] 
Dec 18 08:28:03.113 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
Dec 18 08:28:03.834 INFO running `"docker" "inspect" "9d3ba078288eba51189ed80010bee4a318a883df7e46c171fff709f8012d7bb2"`
Dec 18 08:28:04.080 INFO running `"docker" "rm" "-f" "9d3ba078288eba51189ed80010bee4a318a883df7e46c171fff709f8012d7bb2"`
Dec 18 08:28:04.353 INFO [stdout] 9d3ba078288eba51189ed80010bee4a318a883df7e46c171fff709f8012d7bb2