Dec 19 08:06:49.049 INFO checking stevebob/wfc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 08:06:49.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/stevebob/wfc:/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 08:06:49.608 INFO [stdout] 5c26904a7761131046e60db676517a2f6343571ac8c092a49a21a1bbad3114f6
Dec 19 08:06:49.610 INFO running `"docker" "start" "-a" "5c26904a7761131046e60db676517a2f6343571ac8c092a49a21a1bbad3114f6"`
Dec 19 08:06:51.534 INFO [stderr]    Compiling proc-macro2 v0.4.21
Dec 19 08:06:51.542 INFO [stderr]     Checking coord_2d v0.2.0
Dec 19 08:06:51.544 INFO [stderr]     Checking hashbrown v0.1.6
Dec 19 08:06:51.546 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 08:06:51.548 INFO [stderr]    Compiling rand v0.6.0
Dec 19 08:06:51.574 INFO [stderr]     Checking num-rational v0.2.1
Dec 19 08:06:51.575 INFO [stderr]     Checking png v0.12.0
Dec 19 08:06:53.292 INFO [stderr]     Checking grid_2d v0.11.0
Dec 19 08:06:54.166 INFO [stderr]     Checking direction v0.17.2
Dec 19 08:06:55.208 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 08:06:56.280 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 08:06:57.488 INFO [stderr]     Checking rayon v1.0.3
Dec 19 08:06:59.216 INFO [stderr]    Compiling quote v0.6.10
Dec 19 08:07:00.927 INFO [stderr]    Compiling syn v0.15.18
Dec 19 08:07:03.980 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 08:07:12.071 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 08:07:17.261 INFO [stderr]     Checking tiff v0.2.1
Dec 19 08:07:18.020 INFO [stderr]     Checking image v0.20.1
Dec 19 08:07:22.625 INFO [stderr]     Checking wfc v0.1.0 (/opt/crater/workdir)
Dec 19 08:07:23.430 INFO [stderr] warning: struct is never constructed: `WrapX`
Dec 19 08:07:23.431 INFO [stderr]   --> src/context.rs:17:1
Dec 19 08:07:23.431 INFO [stderr]    |
Dec 19 08:07:23.431 INFO [stderr] 17 | pub struct WrapX;
Dec 19 08:07:23.431 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.432 INFO [stderr]    |
Dec 19 08:07:23.432 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 08:07:23.432 INFO [stderr] 
Dec 19 08:07:23.432 INFO [stderr] warning: struct is never constructed: `WrapY`
Dec 19 08:07:23.433 INFO [stderr]   --> src/context.rs:18:1
Dec 19 08:07:23.433 INFO [stderr]    |
Dec 19 08:07:23.433 INFO [stderr] 18 | pub struct WrapY;
Dec 19 08:07:23.434 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.434 INFO [stderr] 
Dec 19 08:07:23.434 INFO [stderr] warning: struct is never constructed: `WrapXY`
Dec 19 08:07:23.434 INFO [stderr]   --> src/context.rs:19:1
Dec 19 08:07:23.435 INFO [stderr]    |
Dec 19 08:07:23.435 INFO [stderr] 19 | pub struct WrapXY;
Dec 19 08:07:23.435 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.435 INFO [stderr] 
Dec 19 08:07:23.436 INFO [stderr] warning: method is never used: `set_pattern`
Dec 19 08:07:23.436 INFO [stderr]    --> src/context.rs:441:5
Dec 19 08:07:23.436 INFO [stderr]     |
Dec 19 08:07:23.437 INFO [stderr] 441 | /     fn set_pattern(
Dec 19 08:07:23.437 INFO [stderr] 442 | |         &mut self,
Dec 19 08:07:23.437 INFO [stderr] 443 | |         coord: Coord,
Dec 19 08:07:23.437 INFO [stderr] 444 | |         pattern_id: PatternId,
Dec 19 08:07:23.438 INFO [stderr] ...   |
Dec 19 08:07:23.438 INFO [stderr] 459 | |         }
Dec 19 08:07:23.438 INFO [stderr] 460 | |     }
Dec 19 08:07:23.439 INFO [stderr]     | |_____^
Dec 19 08:07:23.439 INFO [stderr] 
Dec 19 08:07:23.439 INFO [stderr] warning: field is never used: `output_wrap`
Dec 19 08:07:23.439 INFO [stderr]    --> src/context.rs:603:5
Dec 19 08:07:23.439 INFO [stderr]     |
Dec 19 08:07:23.439 INFO [stderr] 603 |     output_wrap: W,
Dec 19 08:07:23.439 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 08:07:23.439 INFO [stderr] 
Dec 19 08:07:23.439 INFO [stderr] warning: method is never used: `set_pattern`
Dec 19 08:07:23.439 INFO [stderr]    --> src/context.rs:610:5
Dec 19 08:07:23.440 INFO [stderr]     |
Dec 19 08:07:23.440 INFO [stderr] 610 |     pub fn set_pattern(&mut self, coord: Coord, pattern_id: PatternId) {
Dec 19 08:07:23.440 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.440 INFO [stderr] 
Dec 19 08:07:23.440 INFO [stderr] warning: function is never used: `fixed_rng`
Dec 19 08:07:23.440 INFO [stderr]    --> src/main.rs:207:1
Dec 19 08:07:23.440 INFO [stderr]     |
Dec 19 08:07:23.440 INFO [stderr] 207 | fn fixed_rng() -> XorShiftRng {
Dec 19 08:07:23.440 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.441 INFO [stderr] 
Dec 19 08:07:23.777 INFO [stderr] warning: method is never used: `set_pattern`
Dec 19 08:07:23.777 INFO [stderr]    --> src/context.rs:441:5
Dec 19 08:07:23.777 INFO [stderr]     |
Dec 19 08:07:23.777 INFO [stderr] 441 | /     fn set_pattern(
Dec 19 08:07:23.777 INFO [stderr] 442 | |         &mut self,
Dec 19 08:07:23.777 INFO [stderr] 443 | |         coord: Coord,
Dec 19 08:07:23.778 INFO [stderr] 444 | |         pattern_id: PatternId,
Dec 19 08:07:23.778 INFO [stderr] ...   |
Dec 19 08:07:23.778 INFO [stderr] 459 | |         }
Dec 19 08:07:23.779 INFO [stderr] 460 | |     }
Dec 19 08:07:23.779 INFO [stderr]     | |_____^
Dec 19 08:07:23.779 INFO [stderr]     |
Dec 19 08:07:23.779 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 08:07:23.780 INFO [stderr] 
Dec 19 08:07:23.780 INFO [stderr] warning: field is never used: `output_wrap`
Dec 19 08:07:23.780 INFO [stderr]    --> src/context.rs:603:5
Dec 19 08:07:23.780 INFO [stderr]     |
Dec 19 08:07:23.781 INFO [stderr] 603 |     output_wrap: W,
Dec 19 08:07:23.781 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 08:07:23.781 INFO [stderr] 
Dec 19 08:07:23.782 INFO [stderr] warning: method is never used: `set_pattern`
Dec 19 08:07:23.782 INFO [stderr]    --> src/context.rs:610:5
Dec 19 08:07:23.782 INFO [stderr]     |
Dec 19 08:07:23.782 INFO [stderr] 610 |     pub fn set_pattern(&mut self, coord: Coord, pattern_id: PatternId) {
Dec 19 08:07:23.783 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.783 INFO [stderr] 
Dec 19 08:07:23.783 INFO [stderr] warning: function is never used: `fixed_rng`
Dec 19 08:07:23.783 INFO [stderr]    --> src/main.rs:207:1
Dec 19 08:07:23.784 INFO [stderr]     |
Dec 19 08:07:23.784 INFO [stderr] 207 | fn fixed_rng() -> XorShiftRng {
Dec 19 08:07:23.784 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:07:23.784 INFO [stderr] 
Dec 19 08:07:23.817 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.49s
Dec 19 08:07:25.016 INFO running `"docker" "inspect" "5c26904a7761131046e60db676517a2f6343571ac8c092a49a21a1bbad3114f6"`
Dec 19 08:07:25.318 INFO running `"docker" "rm" "-f" "5c26904a7761131046e60db676517a2f6343571ac8c092a49a21a1bbad3114f6"`
Dec 19 08:07:25.688 INFO [stdout] 5c26904a7761131046e60db676517a2f6343571ac8c092a49a21a1bbad3114f6