Dec 17 15:39:24.017 INFO checking seven1m/puzzlecube against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:39:24.017 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/seven1m/puzzlecube:/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 17 15:39:24.460 INFO [stdout] ad1f28bbecf498c2a889fd0e674a0694f24deaf3c7653b74ba3d05c7aa0e3c8f
Dec 17 15:39:24.462 INFO running `"docker" "start" "-a" "ad1f28bbecf498c2a889fd0e674a0694f24deaf3c7653b74ba3d05c7aa0e3c8f"`
Dec 17 15:39:26.180 INFO [stderr]     Checking libc v0.2.23
Dec 17 15:39:27.257 INFO [stderr]     Checking rand v0.3.15
Dec 17 15:39:28.504 INFO [stderr]     Checking puzzlecube v0.1.0 (/opt/crater/workdir)
Dec 17 15:39:28.664 INFO [stderr] warning: unused import: `cube::*`
Dec 17 15:39:28.664 INFO [stderr]  --> src/tests.rs:1:5
Dec 17 15:39:28.664 INFO [stderr]   |
Dec 17 15:39:28.664 INFO [stderr] 1 | use cube::*;
Dec 17 15:39:28.664 INFO [stderr]   |     ^^^^^^^
Dec 17 15:39:28.664 INFO [stderr]   |
Dec 17 15:39:28.664 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:39:28.664 INFO [stderr] 
Dec 17 15:39:29.020 INFO [stderr] warning: method is never used: `new_with_test_pattern`
Dec 17 15:39:29.020 INFO [stderr]   --> src/cube.rs:83:5
Dec 17 15:39:29.021 INFO [stderr]    |
Dec 17 15:39:29.021 INFO [stderr] 83 |     pub fn new_with_test_pattern() -> Cube {
Dec 17 15:39:29.021 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.021 INFO [stderr]    |
Dec 17 15:39:29.022 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:39:29.022 INFO [stderr] 
Dec 17 15:39:29.022 INFO [stderr] warning: method is never used: `up_color`
Dec 17 15:39:29.022 INFO [stderr]   --> src/cube.rs:97:5
Dec 17 15:39:29.022 INFO [stderr]    |
Dec 17 15:39:29.022 INFO [stderr] 97 |     pub fn up_color(&self) -> Color {
Dec 17 15:39:29.022 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.022 INFO [stderr] 
Dec 17 15:39:29.022 INFO [stderr] warning: method is never used: `down_color`
Dec 17 15:39:29.022 INFO [stderr]    --> src/cube.rs:101:5
Dec 17 15:39:29.022 INFO [stderr]     |
Dec 17 15:39:29.022 INFO [stderr] 101 |     pub fn down_color(&self) -> Color {
Dec 17 15:39:29.022 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.022 INFO [stderr] 
Dec 17 15:39:29.022 INFO [stderr] warning: method is never used: `front_color`
Dec 17 15:39:29.022 INFO [stderr]    --> src/cube.rs:112:5
Dec 17 15:39:29.022 INFO [stderr]     |
Dec 17 15:39:29.022 INFO [stderr] 112 |     pub fn front_color(&self) -> Color {
Dec 17 15:39:29.022 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.022 INFO [stderr] 
Dec 17 15:39:29.022 INFO [stderr] warning: method is never used: `back_color`
Dec 17 15:39:29.022 INFO [stderr]    --> src/cube.rs:116:5
Dec 17 15:39:29.022 INFO [stderr]     |
Dec 17 15:39:29.022 INFO [stderr] 116 |     pub fn back_color(&self) -> Color {
Dec 17 15:39:29.022 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.023 INFO [stderr] 
Dec 17 15:39:29.023 INFO [stderr] warning: method is never used: `left_color`
Dec 17 15:39:29.023 INFO [stderr]    --> src/cube.rs:127:5
Dec 17 15:39:29.023 INFO [stderr]     |
Dec 17 15:39:29.023 INFO [stderr] 127 |     pub fn left_color(&self) -> Color {
Dec 17 15:39:29.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.023 INFO [stderr] 
Dec 17 15:39:29.023 INFO [stderr] warning: method is never used: `right_color`
Dec 17 15:39:29.023 INFO [stderr]    --> src/cube.rs:186:5
Dec 17 15:39:29.023 INFO [stderr]     |
Dec 17 15:39:29.023 INFO [stderr] 186 |     pub fn right_color(&self) -> Color {
Dec 17 15:39:29.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.023 INFO [stderr] 
Dec 17 15:39:29.023 INFO [stderr] warning: method is never used: `scramble`
Dec 17 15:39:29.023 INFO [stderr]    --> src/cube.rs:401:5
Dec 17 15:39:29.023 INFO [stderr]     |
Dec 17 15:39:29.023 INFO [stderr] 401 |     pub fn scramble(&mut self) {
Dec 17 15:39:29.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.023 INFO [stderr] 
Dec 17 15:39:29.023 INFO [stderr] warning: method is never used: `orient`
Dec 17 15:39:29.023 INFO [stderr]    --> src/cube.rs:434:5
Dec 17 15:39:29.023 INFO [stderr]     |
Dec 17 15:39:29.023 INFO [stderr] 434 |     pub fn orient(&mut self, up: Color, front: Color) {
Dec 17 15:39:29.023 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:39:29.023 INFO [stderr] 
Dec 17 15:39:29.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
Dec 17 15:39:30.120 INFO running `"docker" "inspect" "ad1f28bbecf498c2a889fd0e674a0694f24deaf3c7653b74ba3d05c7aa0e3c8f"`
Dec 17 15:39:30.424 INFO running `"docker" "rm" "-f" "ad1f28bbecf498c2a889fd0e674a0694f24deaf3c7653b74ba3d05c7aa0e3c8f"`
Dec 17 15:39:30.772 INFO [stdout] ad1f28bbecf498c2a889fd0e674a0694f24deaf3c7653b74ba3d05c7aa0e3c8f