Dec 19 21:28:12.353 INFO checking Vallium/rubik-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:28:12.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/Vallium/rubik-rs:/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 21:28:12.865 INFO [stdout] b4aa52006539ca0e1f647a5f12e4c8399b2ceaf6ae76a9e33746e59ca6a95c3d
Dec 19 21:28:12.867 INFO running `"docker" "start" "-a" "b4aa52006539ca0e1f647a5f12e4c8399b2ceaf6ae76a9e33746e59ca6a95c3d"`
Dec 19 21:28:15.752 INFO [stderr]     Checking rubik v0.1.0 (/opt/crater/workdir)
Dec 19 21:28:17.533 INFO [stderr] warning: field is never used: `twist`
Dec 19 21:28:17.533 INFO [stderr]   --> src/coordinate/mod.rs:26:5
Dec 19 21:28:17.533 INFO [stderr]    |
Dec 19 21:28:17.533 INFO [stderr] 26 |     twist: u32,
Dec 19 21:28:17.533 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 21:28:17.533 INFO [stderr]    |
Dec 19 21:28:17.533 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:28:17.533 INFO [stderr] 
Dec 19 21:28:17.533 INFO [stderr] warning: field is never used: `flip`
Dec 19 21:28:17.533 INFO [stderr]   --> src/coordinate/mod.rs:27:5
Dec 19 21:28:17.533 INFO [stderr]    |
Dec 19 21:28:17.534 INFO [stderr] 27 |     flip: u32,
Dec 19 21:28:17.534 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:28:17.534 INFO [stderr] 
Dec 19 21:28:17.534 INFO [stderr] warning: field is never used: `parity`
Dec 19 21:28:17.534 INFO [stderr]   --> src/coordinate/mod.rs:28:5
Dec 19 21:28:17.534 INFO [stderr]    |
Dec 19 21:28:17.534 INFO [stderr] 28 |     parity: u32,
Dec 19 21:28:17.534 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:28:17.534 INFO [stderr] 
Dec 19 21:28:17.534 INFO [stderr] warning: field is never used: `fr_to_br`
Dec 19 21:28:17.535 INFO [stderr]   --> src/coordinate/mod.rs:29:5
Dec 19 21:28:17.535 INFO [stderr]    |
Dec 19 21:28:17.535 INFO [stderr] 29 |     fr_to_br: u32,
Dec 19 21:28:17.535 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: field is never used: `urf_to_dlf`
Dec 19 21:28:17.535 INFO [stderr]   --> src/coordinate/mod.rs:30:5
Dec 19 21:28:17.535 INFO [stderr]    |
Dec 19 21:28:17.535 INFO [stderr] 30 |     urf_to_dlf: u32,
Dec 19 21:28:17.535 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: field is never used: `ur_to_ul`
Dec 19 21:28:17.535 INFO [stderr]   --> src/coordinate/mod.rs:31:5
Dec 19 21:28:17.535 INFO [stderr]    |
Dec 19 21:28:17.535 INFO [stderr] 31 |     ur_to_ul: u32,
Dec 19 21:28:17.535 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: field is never used: `ub_to_df`
Dec 19 21:28:17.535 INFO [stderr]   --> src/coordinate/mod.rs:32:5
Dec 19 21:28:17.535 INFO [stderr]    |
Dec 19 21:28:17.535 INFO [stderr] 32 |     ub_to_df: u32,
Dec 19 21:28:17.535 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: field is never used: `ur_to_df`
Dec 19 21:28:17.535 INFO [stderr]   --> src/coordinate/mod.rs:33:5
Dec 19 21:28:17.535 INFO [stderr]    |
Dec 19 21:28:17.535 INFO [stderr] 33 |     ur_to_df: u32,
Dec 19 21:28:17.535 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: field is never used: `max_depth`
Dec 19 21:28:17.535 INFO [stderr]  --> src/solver/mod.rs:4:5
Dec 19 21:28:17.535 INFO [stderr]   |
Dec 19 21:28:17.535 INFO [stderr] 4 |     max_depth: u8,
Dec 19 21:28:17.535 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.535 INFO [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 21:28:17.535 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:28:17.535 INFO [stderr]   |
Dec 19 21:28:17.535 INFO [stderr] 1 | #![feature(inclusive_range_syntax)]
Dec 19 21:28:17.535 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:28:17.535 INFO [stderr]   |
Dec 19 21:28:17.535 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:28:17.535 INFO [stderr] 
Dec 19 21:28:17.552 INFO [stderr] warning: literal out of range for i8
Dec 19 21:28:17.552 INFO [stderr]    --> src/coordinate/mod.rs:527:27
Dec 19 21:28:17.552 INFO [stderr]     |
Dec 19 21:28:17.552 INFO [stderr] 527 |             arr[i / 2] &= 0xf0 | value;
Dec 19 21:28:17.552 INFO [stderr]     |                           ^^^^
Dec 19 21:28:17.552 INFO [stderr]     |
Dec 19 21:28:17.552 INFO [stderr]     = note: #[warn(overflowing_literals)] on by default
Dec 19 21:28:17.552 INFO [stderr]     = note: the literal `0xf0` (decimal `240`) does not fit into an `i8` and will become `-16i8`
Dec 19 21:28:17.552 INFO [stderr]     = help: consider using `u8` instead
Dec 19 21:28:17.552 INFO [stderr] warning: field is never used: `twist`
Dec 19 21:28:17.552 INFO [stderr]   --> src/coordinate/mod.rs:26:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 26 |     twist: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `flip`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:27:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 27 |     flip: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `parity`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:28:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 28 |     parity: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `fr_to_br`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:29:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 29 |     fr_to_br: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `urf_to_dlf`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:30:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 30 |     urf_to_dlf: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `ur_to_ul`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:31:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 31 |     ur_to_ul: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `ub_to_df`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:32:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 32 |     ub_to_df: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `ur_to_df`
Dec 19 21:28:17.553 INFO [stderr]   --> src/coordinate/mod.rs:33:5
Dec 19 21:28:17.553 INFO [stderr]    |
Dec 19 21:28:17.553 INFO [stderr] 33 |     ur_to_df: u32,
Dec 19 21:28:17.553 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: field is never used: `max_depth`
Dec 19 21:28:17.553 INFO [stderr]  --> src/solver/mod.rs:4:5
Dec 19 21:28:17.553 INFO [stderr]   |
Dec 19 21:28:17.553 INFO [stderr] 4 |     max_depth: u8,
Dec 19 21:28:17.553 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.553 INFO [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 21:28:17.553 INFO [stderr]  --> src/main.rs:1:12
Dec 19 21:28:17.553 INFO [stderr]   |
Dec 19 21:28:17.553 INFO [stderr] 1 | #![feature(inclusive_range_syntax)]
Dec 19 21:28:17.553 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:28:17.553 INFO [stderr]   |
Dec 19 21:28:17.553 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 21:28:17.553 INFO [stderr] 
Dec 19 21:28:17.556 INFO [stderr] warning: literal out of range for i8
Dec 19 21:28:17.556 INFO [stderr]    --> src/coordinate/mod.rs:527:27
Dec 19 21:28:17.556 INFO [stderr]     |
Dec 19 21:28:17.556 INFO [stderr] 527 |             arr[i / 2] &= 0xf0 | value;
Dec 19 21:28:17.556 INFO [stderr]     |                           ^^^^
Dec 19 21:28:17.556 INFO [stderr]     |
Dec 19 21:28:17.556 INFO [stderr]     = note: #[warn(overflowing_literals)] on by default
Dec 19 21:28:17.556 INFO [stderr]     = note: the literal `0xf0` (decimal `240`) does not fit into an `i8` and will become `-16i8`
Dec 19 21:28:17.556 INFO [stderr]     = help: consider using `u8` instead
Dec 19 21:28:17.556 INFO [stderr] 
Dec 19 21:28:17.633 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
Dec 19 21:28:19.192 INFO running `"docker" "inspect" "b4aa52006539ca0e1f647a5f12e4c8399b2ceaf6ae76a9e33746e59ca6a95c3d"`
Dec 19 21:28:19.520 INFO running `"docker" "rm" "-f" "b4aa52006539ca0e1f647a5f12e4c8399b2ceaf6ae76a9e33746e59ca6a95c3d"`
Dec 19 21:28:19.904 INFO [stdout] b4aa52006539ca0e1f647a5f12e4c8399b2ceaf6ae76a9e33746e59ca6a95c3d