Dec 04 21:20:12.160 INFO checking bwhetherington/rust-2048 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 21:20:12.160 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 04 21:20:12.523 INFO [stdout] b811b2b6626e897e9f79ee49073d85126ef14d721490620933821f58960c8574
Dec 04 21:20:12.531 INFO running `"docker" "start" "-a" "b811b2b6626e897e9f79ee49073d85126ef14d721490620933821f58960c8574"`
Dec 04 21:20:13.567 INFO [stderr] usermod: no changes
Dec 04 21:20:13.608 INFO [stderr]     Checking rust-2048-2 v0.1.0 (/source)
Dec 04 21:20:14.204 INFO [stderr] warning: unused import: `game::*`
Dec 04 21:20:14.204 INFO [stderr]  --> src/main.rs:8:5
Dec 04 21:20:14.204 INFO [stderr]   |
Dec 04 21:20:14.204 INFO [stderr] 8 | use game::*;
Dec 04 21:20:14.204 INFO [stderr]   |     ^^^^^^^
Dec 04 21:20:14.204 INFO [stderr]   |
Dec 04 21:20:14.204 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 21:20:14.204 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `j`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 04 21:20:14.386 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.386 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.386 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.386 INFO [stderr] warning: unused variable: `d`
Dec 04 21:20:14.386 INFO [stderr]   --> src/main.rs:15:9
Dec 04 21:20:14.386 INFO [stderr]    |
Dec 04 21:20:14.386 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 04 21:20:14.386 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 04 21:20:14.386 INFO [stderr] 
Dec 04 21:20:14.463 INFO [stderr] warning: unused import: `game::*`
Dec 04 21:20:14.463 INFO [stderr]  --> src/main.rs:8:5
Dec 04 21:20:14.463 INFO [stderr]   |
Dec 04 21:20:14.463 INFO [stderr] 8 | use game::*;
Dec 04 21:20:14.463 INFO [stderr]   |     ^^^^^^^
Dec 04 21:20:14.463 INFO [stderr]   |
Dec 04 21:20:14.463 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 21:20:14.463 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `j`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:74:13
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 74 |         for j in 0..source.cols() {
Dec 04 21:20:14.575 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:70:37
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 70 | fn slide_left(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.575 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:82:16
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.575 INFO [stderr]    |                ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:82:38
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 82 | fn slide_right(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.575 INFO [stderr]    |                                      ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:88:13
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.575 INFO [stderr]    |             ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:88:35
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.575 INFO [stderr] 88 | fn slide_up(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.575 INFO [stderr]    |                                   ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.575 INFO [stderr] 
Dec 04 21:20:14.575 INFO [stderr] warning: unused variable: `source`
Dec 04 21:20:14.575 INFO [stderr]   --> src/game/mod.rs:94:15
Dec 04 21:20:14.575 INFO [stderr]    |
Dec 04 21:20:14.576 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.576 INFO [stderr]    |               ^^^^^^ help: consider using `_source` instead
Dec 04 21:20:14.576 INFO [stderr] 
Dec 04 21:20:14.576 INFO [stderr] warning: unused variable: `dest`
Dec 04 21:20:14.576 INFO [stderr]   --> src/game/mod.rs:94:37
Dec 04 21:20:14.576 INFO [stderr]    |
Dec 04 21:20:14.576 INFO [stderr] 94 | fn slide_down(source: &Matrix<u32>, dest: &mut Matrix<u32>) {
Dec 04 21:20:14.576 INFO [stderr]    |                                     ^^^^ help: consider using `_dest` instead
Dec 04 21:20:14.576 INFO [stderr] 
Dec 04 21:20:14.576 INFO [stderr] warning: unused variable: `d`
Dec 04 21:20:14.576 INFO [stderr]   --> src/main.rs:15:9
Dec 04 21:20:14.576 INFO [stderr]    |
Dec 04 21:20:14.576 INFO [stderr] 15 |     let d: Matrix<_> = m.diag().into();
Dec 04 21:20:14.576 INFO [stderr]    |         ^ help: consider using `_d` instead
Dec 04 21:20:14.576 INFO [stderr] 
Dec 04 21:20:14.635 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 04 21:20:14.642 INFO [stderr] su: No module specific data is present
Dec 04 21:20:15.208 INFO running `"docker" "inspect" "b811b2b6626e897e9f79ee49073d85126ef14d721490620933821f58960c8574"`
Dec 04 21:20:15.551 INFO running `"docker" "rm" "-f" "b811b2b6626e897e9f79ee49073d85126ef14d721490620933821f58960c8574"`
Dec 04 21:20:15.802 INFO [stdout] b811b2b6626e897e9f79ee49073d85126ef14d721490620933821f58960c8574