Dec 19 19:23:00.445 INFO checking bwhetherington/rust-2048 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:23:00.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:23:00.960 INFO [stdout] 6d0a0b71172ddeb25d766bd35a0b572002b8dfd669a510e95f37e7a574e0d5a3
Dec 19 19:23:00.966 INFO running `"docker" "start" "-a" "6d0a0b71172ddeb25d766bd35a0b572002b8dfd669a510e95f37e7a574e0d5a3"`
Dec 19 19:23:02.624 INFO [stderr]     Checking rust-2048-2 v0.1.0 (/opt/crater/workdir)
Dec 19 19:23:02.967 INFO [stderr] warning: unused import: `game::*`
Dec 19 19:23:02.967 INFO [stderr]  --> src/main.rs:8:5
Dec 19 19:23:02.967 INFO [stderr]   |
Dec 19 19:23:02.967 INFO [stderr] 8 | use game::*;
Dec 19 19:23:02.967 INFO [stderr]   |     ^^^^^^^
Dec 19 19:23:02.967 INFO [stderr]   |
Dec 19 19:23:02.967 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:23:02.967 INFO [stderr] 
Dec 19 19:23:03.059 INFO [stderr] warning: unused import: `game::*`
Dec 19 19:23:03.059 INFO [stderr]  --> src/main.rs:8:5
Dec 19 19:23:03.059 INFO [stderr]   |
Dec 19 19:23:03.059 INFO [stderr] 8 | use game::*;
Dec 19 19:23:03.059 INFO [stderr]   |     ^^^^^^^
Dec 19 19:23:03.059 INFO [stderr]   |
Dec 19 19:23:03.059 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:23:03.059 INFO [stderr] 
Dec 19 19:23:03.200 INFO [stderr] warning: unused variable: `j`
Dec 19 19:23:03.200 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 19 19:23:03.200 INFO [stderr]    |
Dec 19 19:23:03.200 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 19 19:23:03.200 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 19 19:23:03.200 INFO [stderr]    |
Dec 19 19:23:03.200 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:23:03.200 INFO [stderr] 
Dec 19 19:23:03.200 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.200 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 19 19:23:03.200 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.201 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.201 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.201 INFO [stderr] warning: unused variable: `d`
Dec 19 19:23:03.201 INFO [stderr]   --> src/main.rs:15:9
Dec 19 19:23:03.201 INFO [stderr]    |
Dec 19 19:23:03.201 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 19 19:23:03.201 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 19 19:23:03.201 INFO [stderr] 
Dec 19 19:23:03.240 INFO [stderr] warning: unused variable: `j`
Dec 19 19:23:03.240 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 19 19:23:03.240 INFO [stderr]    |
Dec 19 19:23:03.240 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 19 19:23:03.240 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 19 19:23:03.240 INFO [stderr]    |
Dec 19 19:23:03.240 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:23:03.240 INFO [stderr] 
Dec 19 19:23:03.240 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.240 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 19 19:23:03.240 INFO [stderr]    |
Dec 19 19:23:03.240 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.240 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.240 INFO [stderr] 
Dec 19 19:23:03.240 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `source`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `dest`
Dec 19 19:23:03.241 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 19 19:23:03.241 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.241 INFO [stderr] warning: unused variable: `d`
Dec 19 19:23:03.241 INFO [stderr]   --> src/main.rs:15:9
Dec 19 19:23:03.241 INFO [stderr]    |
Dec 19 19:23:03.241 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 19 19:23:03.241 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 19 19:23:03.241 INFO [stderr] 
Dec 19 19:23:03.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 19 19:23:04.126 INFO running `"docker" "inspect" "6d0a0b71172ddeb25d766bd35a0b572002b8dfd669a510e95f37e7a574e0d5a3"`
Dec 19 19:23:04.398 INFO running `"docker" "rm" "-f" "6d0a0b71172ddeb25d766bd35a0b572002b8dfd669a510e95f37e7a574e0d5a3"`
Dec 19 19:23:04.779 INFO [stdout] 6d0a0b71172ddeb25d766bd35a0b572002b8dfd669a510e95f37e7a574e0d5a3