Dec 14 00:24:20.484 INFO testing bwhetherington/rust-2048 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 00:24:20.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 00:24:20.935 INFO [stdout] dd5314fc537228ecce2746095ad78dbf188be385189e9e95b8e7850149214f5e
Dec 14 00:24:20.937 INFO running `"docker" "start" "-a" "dd5314fc537228ecce2746095ad78dbf188be385189e9e95b8e7850149214f5e"`
Dec 14 00:24:22.029 INFO [stderr] usermod: no changes
Dec 14 00:24:22.103 INFO [stderr]    Compiling rust-2048-2 v0.1.0 (/source)
Dec 14 00:24:22.511 INFO [stderr] warning: unused import: `game::*`
Dec 14 00:24:22.511 INFO [stderr]  --> src/main.rs:8:5
Dec 14 00:24:22.511 INFO [stderr]   |
Dec 14 00:24:22.511 INFO [stderr] 8 | use game::*;
Dec 14 00:24:22.511 INFO [stderr]   |     ^^^^^^^
Dec 14 00:24:22.511 INFO [stderr]   |
Dec 14 00:24:22.511 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:24:22.511 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `j`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 14 00:24:22.583 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.583 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.583 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.583 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.583 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 14 00:24:22.583 INFO [stderr]    |
Dec 14 00:24:22.583 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.583 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 14 00:24:22.583 INFO [stderr] 
Dec 14 00:24:22.583 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:22.583 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 14 00:24:22.584 INFO [stderr]    |
Dec 14 00:24:22.584 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.584 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:22.584 INFO [stderr] 
Dec 14 00:24:22.584 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:22.584 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 14 00:24:22.584 INFO [stderr]    |
Dec 14 00:24:22.584 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:22.584 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 14 00:24:22.584 INFO [stderr] 
Dec 14 00:24:22.584 INFO [stderr] warning: unused variable: `d`
Dec 14 00:24:22.584 INFO [stderr]   --> src/main.rs:15:9
Dec 14 00:24:22.584 INFO [stderr]    |
Dec 14 00:24:22.584 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 14 00:24:22.584 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 14 00:24:22.584 INFO [stderr] 
Dec 14 00:24:23.466 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Dec 14 00:24:23.466 INFO [stderr] su: No module specific data is present
Dec 14 00:24:23.960 INFO running `"docker" "inspect" "dd5314fc537228ecce2746095ad78dbf188be385189e9e95b8e7850149214f5e"`
Dec 14 00:24:24.243 INFO running `"docker" "rm" "-f" "dd5314fc537228ecce2746095ad78dbf188be385189e9e95b8e7850149214f5e"`
Dec 14 00:24:24.591 INFO [stdout] dd5314fc537228ecce2746095ad78dbf188be385189e9e95b8e7850149214f5e
Dec 14 00:24:24.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 00:24:25.027 INFO [stdout] 4d4f7c38c4d316de46cedb303a64cb863f2c6c1446e2fc65641def6649fdfed5
Dec 14 00:24:25.033 INFO running `"docker" "start" "-a" "4d4f7c38c4d316de46cedb303a64cb863f2c6c1446e2fc65641def6649fdfed5"`
Dec 14 00:24:26.175 INFO [stderr] usermod: no changes
Dec 14 00:24:26.222 INFO [stderr]    Compiling rust-2048-2 v0.1.0 (/source)
Dec 14 00:24:26.699 INFO [stderr] warning: unused import: `game::*`
Dec 14 00:24:26.699 INFO [stderr]  --> src/main.rs:8:5
Dec 14 00:24:26.699 INFO [stderr]   |
Dec 14 00:24:26.699 INFO [stderr] 8 | use game::*;
Dec 14 00:24:26.699 INFO [stderr]   |     ^^^^^^^
Dec 14 00:24:26.699 INFO [stderr]   |
Dec 14 00:24:26.699 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 00:24:26.699 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `j`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 14 00:24:26.811 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `source`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `dest`
Dec 14 00:24:26.811 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 14 00:24:26.811 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:26.811 INFO [stderr] warning: unused variable: `d`
Dec 14 00:24:26.811 INFO [stderr]   --> src/main.rs:15:9
Dec 14 00:24:26.811 INFO [stderr]    |
Dec 14 00:24:26.811 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 14 00:24:26.811 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 14 00:24:26.811 INFO [stderr] 
Dec 14 00:24:27.291 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 14 00:24:27.298 INFO [stderr] su: No module specific data is present
Dec 14 00:24:27.901 INFO running `"docker" "inspect" "4d4f7c38c4d316de46cedb303a64cb863f2c6c1446e2fc65641def6649fdfed5"`
Dec 14 00:24:28.245 INFO running `"docker" "rm" "-f" "4d4f7c38c4d316de46cedb303a64cb863f2c6c1446e2fc65641def6649fdfed5"`
Dec 14 00:24:28.615 INFO [stdout] 4d4f7c38c4d316de46cedb303a64cb863f2c6c1446e2fc65641def6649fdfed5
Dec 14 00:24:28.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 00:24:29.064 INFO [stdout] 46ecd9ce6a08674835d30914ed24ec3fc83318c43355376175fd8948ee3f2cdd
Dec 14 00:24:29.067 INFO running `"docker" "start" "-a" "46ecd9ce6a08674835d30914ed24ec3fc83318c43355376175fd8948ee3f2cdd"`
Dec 14 00:24:29.987 INFO [stderr] usermod: no changes
Dec 14 00:24:30.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 14 00:24:30.055 INFO [stderr]      Running /target/debug/deps/rust_2048_2-ae7b9200df0eebee
Dec 14 00:24:30.055 INFO [stdout] 
Dec 14 00:24:30.055 INFO [stdout] running 0 tests
Dec 14 00:24:30.055 INFO [stdout] 
Dec 14 00:24:30.055 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:24:30.055 INFO [stdout] 
Dec 14 00:24:30.059 INFO [stderr] su: No module specific data is present
Dec 14 00:24:30.741 INFO running `"docker" "inspect" "46ecd9ce6a08674835d30914ed24ec3fc83318c43355376175fd8948ee3f2cdd"`
Dec 14 00:24:31.027 INFO running `"docker" "rm" "-f" "46ecd9ce6a08674835d30914ed24ec3fc83318c43355376175fd8948ee3f2cdd"`
Dec 14 00:24:31.420 INFO [stdout] 46ecd9ce6a08674835d30914ed24ec3fc83318c43355376175fd8948ee3f2cdd