Dec 18 02:48:14.147 INFO checking bwhetherington/rust-2048 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:48:14.147 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/gh/bwhetherington/rust-2048:/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 02:48:14.554 INFO [stdout] 602afa289f38260bd9d914eed729c49f83da33f4dd7708dbfebe6a6d312b7771
Dec 18 02:48:14.568 INFO running `"docker" "start" "-a" "602afa289f38260bd9d914eed729c49f83da33f4dd7708dbfebe6a6d312b7771"`
Dec 18 02:48:16.056 INFO [stderr]     Checking rust-2048-2 v0.1.0 (/opt/crater/workdir)
Dec 18 02:48:16.360 INFO [stderr] warning: unused import: `game::*`
Dec 18 02:48:16.360 INFO [stderr]  --> src/main.rs:8:5
Dec 18 02:48:16.360 INFO [stderr]   |
Dec 18 02:48:16.360 INFO [stderr] 8 | use game::*;
Dec 18 02:48:16.360 INFO [stderr]   |     ^^^^^^^
Dec 18 02:48:16.360 INFO [stderr]   |
Dec 18 02:48:16.361 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:48:16.361 INFO [stderr] 
Dec 18 02:48:16.512 INFO [stderr] warning: unused variable: `j`
Dec 18 02:48:16.512 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 18 02:48:16.512 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 18 02:48:16.513 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.513 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.513 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.513 INFO [stderr] warning: unused variable: `d`
Dec 18 02:48:16.513 INFO [stderr]   --> src/main.rs:15:9
Dec 18 02:48:16.513 INFO [stderr]    |
Dec 18 02:48:16.513 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 18 02:48:16.513 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 18 02:48:16.513 INFO [stderr] 
Dec 18 02:48:16.536 INFO [stderr] warning: unused import: `game::*`
Dec 18 02:48:16.536 INFO [stderr]  --> src/main.rs:8:5
Dec 18 02:48:16.536 INFO [stderr]   |
Dec 18 02:48:16.536 INFO [stderr] 8 | use game::*;
Dec 18 02:48:16.536 INFO [stderr]   |     ^^^^^^^
Dec 18 02:48:16.536 INFO [stderr]   |
Dec 18 02:48:16.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 02:48:16.536 INFO [stderr] 
Dec 18 02:48:16.756 INFO [stderr] warning: unused variable: `j`
Dec 18 02:48:16.756 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 18 02:48:16.756 INFO [stderr]    |
Dec 18 02:48:16.756 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 18 02:48:16.756 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 18 02:48:16.756 INFO [stderr]    |
Dec 18 02:48:16.756 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 02:48:16.756 INFO [stderr] 
Dec 18 02:48:16.756 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.756 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 18 02:48:16.756 INFO [stderr]    |
Dec 18 02:48:16.756 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.756 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.756 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `source`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `dest`
Dec 18 02:48:16.757 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 18 02:48:16.757 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.757 INFO [stderr] warning: unused variable: `d`
Dec 18 02:48:16.757 INFO [stderr]   --> src/main.rs:15:9
Dec 18 02:48:16.757 INFO [stderr]    |
Dec 18 02:48:16.757 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 18 02:48:16.757 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 18 02:48:16.757 INFO [stderr] 
Dec 18 02:48:16.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 18 02:48:18.044 INFO running `"docker" "inspect" "602afa289f38260bd9d914eed729c49f83da33f4dd7708dbfebe6a6d312b7771"`
Dec 18 02:48:18.270 INFO running `"docker" "rm" "-f" "602afa289f38260bd9d914eed729c49f83da33f4dd7708dbfebe6a6d312b7771"`
Dec 18 02:48:18.551 INFO [stdout] 602afa289f38260bd9d914eed729c49f83da33f4dd7708dbfebe6a6d312b7771