[INFO] updating cached repository https://github.com/garrettpauls/rust2048
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64d1ea1f04c2ae355b32b3e9121ffa28685c4281
[INFO] testing garrettpauls/rust2048 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarrettpauls%2Frust2048" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garrettpauls/rust2048 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/garrettpauls/rust2048
[INFO] finished tweaking git repo https://github.com/garrettpauls/rust2048
[INFO] tweaked toml for git repo https://github.com/garrettpauls/rust2048 written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/garrettpauls/rust2048 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9aef30cdb849ed534255c1ad62fcb914462510dbbf8afc7daca8055c69cd74f3
[INFO] running `"docker" "start" "-a" "9aef30cdb849ed534255c1ad62fcb914462510dbbf8afc7daca8055c69cd74f3"`
[INFO] [stderr]    Compiling getch v0.2.0
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/workdir)
[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 1.43s
[INFO] running `"docker" "inspect" "9aef30cdb849ed534255c1ad62fcb914462510dbbf8afc7daca8055c69cd74f3"`
[INFO] running `"docker" "rm" "-f" "9aef30cdb849ed534255c1ad62fcb914462510dbbf8afc7daca8055c69cd74f3"`
[INFO] [stdout] 9aef30cdb849ed534255c1ad62fcb914462510dbbf8afc7daca8055c69cd74f3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 93560fb0b503abea95bc18db0f0b13aa1db83dd6d9755cc7f6798e2af4210b74
[INFO] running `"docker" "start" "-a" "93560fb0b503abea95bc18db0f0b13aa1db83dd6d9755cc7f6798e2af4210b74"`
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/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]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `"docker" "inspect" "93560fb0b503abea95bc18db0f0b13aa1db83dd6d9755cc7f6798e2af4210b74"`
[INFO] running `"docker" "rm" "-f" "93560fb0b503abea95bc18db0f0b13aa1db83dd6d9755cc7f6798e2af4210b74"`
[INFO] [stdout] 93560fb0b503abea95bc18db0f0b13aa1db83dd6d9755cc7f6798e2af4210b74
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ae3d22b0c8f0b65d85653336fe824fb816da1b1c17b8f71eeca170732d4df81e
[INFO] running `"docker" "start" "-a" "ae3d22b0c8f0b65d85653336fe824fb816da1b1c17b8f71eeca170732d4df81e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/twentyfortyeight-c3c4e5dfabd2d5d2
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test state::test_display::cell_digit_three ... ok
[INFO] [stdout] test logic::test_state::win ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_vertical ... ok
[INFO] [stdout] test state::test_display::cell_digit_four ... ok
[INFO] [stdout] test logic::test_shift_tiles::left ... ok
[INFO] [stdout] test logic::test_state::lose ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_horizontal ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_both ... ok
[INFO] [stdout] test logic::test_shift_tiles::empty ... ok
[INFO] [stdout] test state::test_display::cell_empty ... ok
[INFO] [stdout] test state::test_display::cell_digit_one ... ok
[INFO] [stdout] test state::test_display::cell_digit_two ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_row ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_col ... ok
[INFO] [stdout] test state::test_state::get_empty_cells ... ok
[INFO] [stdout] test state::test_display::state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ae3d22b0c8f0b65d85653336fe824fb816da1b1c17b8f71eeca170732d4df81e"`
[INFO] running `"docker" "rm" "-f" "ae3d22b0c8f0b65d85653336fe824fb816da1b1c17b8f71eeca170732d4df81e"`
[INFO] [stdout] ae3d22b0c8f0b65d85653336fe824fb816da1b1c17b8f71eeca170732d4df81e