[INFO] updating cached repository https://github.com/garrettpauls/rust2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d1ea1f04c2ae355b32b3e9121ffa28685c4281
[INFO] testing garrettpauls/rust2048 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarrettpauls%2Frust2048" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garrettpauls/rust2048 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/garrettpauls/rust2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae35b892d4d7721478c34bfb8337e239e3f12d810b9a91cbfd9e87a96073235
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ae35b892d4d7721478c34bfb8337e239e3f12d810b9a91cbfd9e87a96073235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae35b892d4d7721478c34bfb8337e239e3f12d810b9a91cbfd9e87a96073235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae35b892d4d7721478c34bfb8337e239e3f12d810b9a91cbfd9e87a96073235", kill_on_drop: false }`
[INFO] [stdout] 8ae35b892d4d7721478c34bfb8337e239e3f12d810b9a91cbfd9e87a96073235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26920ff5b7431e131085cb3670c75909657d097efdd3f44b5b182d7688f8adbd
[INFO] running `Command { std: "docker" "start" "-a" "26920ff5b7431e131085cb3670c75909657d097efdd3f44b5b182d7688f8adbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling getch v0.2.0
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/logic.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `Command { std: "docker" "inspect" "26920ff5b7431e131085cb3670c75909657d097efdd3f44b5b182d7688f8adbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26920ff5b7431e131085cb3670c75909657d097efdd3f44b5b182d7688f8adbd", kill_on_drop: false }`
[INFO] [stdout] 26920ff5b7431e131085cb3670c75909657d097efdd3f44b5b182d7688f8adbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1243a5b32cbbc90f4a66e977404609a5e898f7360d6612b2e4843ed751141957
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1243a5b32cbbc90f4a66e977404609a5e898f7360d6612b2e4843ed751141957", kill_on_drop: false }`
[INFO] [stderr]    Compiling twentyfortyeight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `state::*`
[INFO] [stdout]   --> src/logic.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     use state::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `merge`
[INFO] [stdout]   --> src/logic.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn shift_left(mut state: &mut GameState, merge: bool) -> bool {
[INFO] [stdout]    |                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_merge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn shift_right(state: &mut GameState) -> bool {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn shift_up(state: &mut GameState) -> bool {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/logic.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn shift_down(state: &mut GameState) -> bool {
[INFO] [stdout]     |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "1243a5b32cbbc90f4a66e977404609a5e898f7360d6612b2e4843ed751141957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1243a5b32cbbc90f4a66e977404609a5e898f7360d6612b2e4843ed751141957", kill_on_drop: false }`
[INFO] [stdout] 1243a5b32cbbc90f4a66e977404609a5e898f7360d6612b2e4843ed751141957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf8c0a717f1047dca872054c87edf868202177472690466b36ed61e6693d57fc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf8c0a717f1047dca872054c87edf868202177472690466b36ed61e6693d57fc", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/twentyfortyeight-5661576b863f7790
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test logic::test_shift_tiles::empty ... ok
[INFO] [stdout] test state::test_display::cell_digit_three ... 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_both ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_horizontal ... ok
[INFO] [stdout] test state::test_display::cell_empty ... ok
[INFO] [stdout] test state::test_display::state ... ok
[INFO] [stdout] test logic::test_state::win ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_col ... ok
[INFO] [stdout] test state::test_state::swap_cells_on_row ... ok
[INFO] [stdout] test state::test_display::cell_digit_four ... ok
[INFO] [stdout] test state::test_state::get_empty_cells ... ok
[INFO] [stdout] test state::test_display::cell_digit_one ... ok
[INFO] [stdout] test logic::test_state::in_progress_move_vertical ... ok
[INFO] [stdout] test state::test_display::cell_digit_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf8c0a717f1047dca872054c87edf868202177472690466b36ed61e6693d57fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8c0a717f1047dca872054c87edf868202177472690466b36ed61e6693d57fc", kill_on_drop: false }`
[INFO] [stdout] bf8c0a717f1047dca872054c87edf868202177472690466b36ed61e6693d57fc