[INFO] updating cached repository garrettpauls/rust2048
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garrettpauls/rust2048
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garrettpauls/rust2048" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/garrettpauls/rust2048"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/garrettpauls/rust2048'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garrettpauls/rust2048" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/garrettpauls/rust2048"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/garrettpauls/rust2048'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64d1ea1f04c2ae355b32b3e9121ffa28685c4281
[INFO] sha for GitHub repo garrettpauls/rust2048: 64d1ea1f04c2ae355b32b3e9121ffa28685c4281
[INFO] validating manifest of garrettpauls/rust2048 on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of garrettpauls/rust2048 on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing garrettpauls/rust2048
[INFO] finished frobbing garrettpauls/rust2048
[INFO] frobbed toml for garrettpauls/rust2048 written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/garrettpauls/rust2048/Cargo.toml
[INFO] started frobbing garrettpauls/rust2048
[INFO] finished frobbing garrettpauls/rust2048
[INFO] frobbed toml for garrettpauls/rust2048 written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/garrettpauls/rust2048/Cargo.toml
[INFO] crate garrettpauls/rust2048 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking garrettpauls/rust2048 against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-1/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/garrettpauls/rust2048:/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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 049da418175d99939d9e789af3b8432143f591afaf545c7832d97a59a5abe86e
[INFO] running `"docker" "start" "-a" "049da418175d99939d9e789af3b8432143f591afaf545c7832d97a59a5abe86e"`
[INFO] [stderr]     Checking getch v0.2.0
[INFO] [stderr]     Checking twentyfortyeight v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `state::*`
[INFO] [stderr]   --> src/logic.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     use state::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `merge`
[INFO] [stderr]   --> src/logic.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_merge`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stderr]     |                ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:128:15
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `merge`
[INFO] [stderr]   --> src/logic.rs:82:42
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stderr]    |                                          ^^^^^ help: consider prefixing with an underscore: `_merge`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:120:16
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stderr]     |                ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/logic.rs:128:15
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stderr]     |               ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "049da418175d99939d9e789af3b8432143f591afaf545c7832d97a59a5abe86e"`
[INFO] running `"docker" "rm" "-f" "049da418175d99939d9e789af3b8432143f591afaf545c7832d97a59a5abe86e"`
[INFO] [stdout] 049da418175d99939d9e789af3b8432143f591afaf545c7832d97a59a5abe86e