Dec 19 06:37:15.838 INFO checking ttaomae/tet-rs against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:37:15.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ttaomae/tet-rs:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:37:16.400 INFO [stdout] 0f45c9a947caf13f43e7c0c7364680b0fd282b554a5dd395f8abb3196cb5a887
Dec 19 06:37:16.403 INFO running `"docker" "start" "-a" "0f45c9a947caf13f43e7c0c7364680b0fd282b554a5dd395f8abb3196cb5a887"`
Dec 19 06:37:19.172 INFO [stderr]    Compiling either v1.5.0
Dec 19 06:37:19.172 INFO [stderr]     Checking remove_dir_all v0.5.1
Dec 19 06:37:19.172 INFO [stderr]     Checking color_quant v1.0.1
Dec 19 06:37:19.172 INFO [stderr]     Checking crossbeam-utils v0.2.2
Dec 19 06:37:19.172 INFO [stderr]     Checking draw_state v0.8.0
Dec 19 06:37:19.172 INFO [stderr]     Checking inflate v0.4.3
Dec 19 06:37:19.172 INFO [stderr]     Checking deflate v0.7.18
Dec 19 06:37:19.172 INFO [stderr]     Checking stb_truetype v0.2.4
Dec 19 06:37:19.760 INFO [stderr]    Compiling wayland-scanner v0.12.5
Dec 19 06:37:20.349 INFO [stderr]    Compiling num-traits v0.2.6
Dec 19 06:37:20.565 INFO [stderr]     Checking tempfile v3.0.4
Dec 19 06:37:20.693 INFO [stderr]    Compiling itertools v0.5.10
Dec 19 06:37:22.356 INFO [stderr]     Checking num-integer v0.1.39
Dec 19 06:37:22.440 INFO [stderr]     Checking gif v0.10.0
Dec 19 06:37:22.572 INFO [stderr]    Compiling gl_generator v0.9.0
Dec 19 06:37:22.766 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 06:37:24.717 INFO [stderr]     Checking shared_library v0.1.9
Dec 19 06:37:26.437 INFO [stderr]    Compiling syn v0.14.9
Dec 19 06:37:26.454 INFO [stderr]     Checking ordered-float v0.5.2
Dec 19 06:37:26.477 INFO [stderr]     Checking num-iter v0.1.37
Dec 19 06:37:26.645 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 06:37:26.917 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 06:37:27.929 INFO [stderr]     Checking wayland-sys v0.12.5
Dec 19 06:37:28.496 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 19 06:37:28.833 INFO [stderr]    Compiling wayland-client v0.12.5
Dec 19 06:37:29.584 INFO [stderr]    Compiling wayland-protocols v0.12.5
Dec 19 06:37:30.228 INFO [stderr]     Checking png v0.12.0
Dec 19 06:37:30.999 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 06:37:37.353 INFO [stderr]     Checking pistoncore-input v0.21.0
Dec 19 06:37:37.438 INFO [stderr]     Checking rusttype v0.4.3
Dec 19 06:37:37.580 INFO [stderr]    Compiling derivative v1.0.0
Dec 19 06:37:37.750 INFO [stderr]     Checking rayon v1.0.2
Dec 19 06:37:38.794 INFO [stderr]    Compiling gfx_gl v0.5.0
Dec 19 06:37:38.953 INFO [stderr]    Compiling glutin v0.14.0
Dec 19 06:37:47.320 INFO [stderr]    Compiling gl v0.10.0
Dec 19 06:37:56.694 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 19 06:38:03.643 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 06:38:03.917 INFO [stderr]     Checking pistoncore-window v0.32.0
Dec 19 06:38:04.372 INFO [stderr]    Compiling num-derive v0.2.2
Dec 19 06:38:06.962 INFO [stderr]     Checking pistoncore-event_loop v0.37.0
Dec 19 06:38:09.592 INFO [stderr]     Checking piston v0.37.0
Dec 19 06:38:10.604 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 19 06:38:13.312 INFO [stderr]     Checking image v0.19.0
Dec 19 06:38:15.500 INFO [stderr]     Checking gfx_core v0.8.2
Dec 19 06:38:23.365 INFO [stderr]     Checking wayland-window v0.13.3
Dec 19 06:38:25.674 INFO [stderr]     Checking winit v0.12.0
Dec 19 06:38:32.153 INFO [stderr]     Checking pistoncore-glutin_window v0.47.0
Dec 19 06:38:48.832 INFO [stderr]     Checking gfx v0.17.1
Dec 19 06:38:48.840 INFO [stderr]     Checking gfx_device_gl v0.15.3
Dec 19 06:38:54.068 INFO [stderr]     Checking piston-gfx_texture v0.32.0
Dec 19 06:38:54.795 INFO [stderr]     Checking piston2d-gfx_graphics v0.51.0
Dec 19 06:38:56.448 INFO [stderr]     Checking piston_window v0.80.0
Dec 19 06:38:57.048 INFO [stderr]     Checking tet-rs v0.1.0 (/opt/crater/workdir)
Dec 19 06:38:58.404 INFO [stderr] warning: unused variable: `t_spin`
Dec 19 06:38:58.404 INFO [stderr]    --> src/engine/base.rs:188:23
Dec 19 06:38:58.404 INFO [stderr]     |
Dec 19 06:38:58.404 INFO [stderr] 188 |     fn on_lock(&self, t_spin: TSpin) {}
Dec 19 06:38:58.404 INFO [stderr]     |                       ^^^^^^ help: consider using `_t_spin` instead
Dec 19 06:38:58.404 INFO [stderr]     |
Dec 19 06:38:58.404 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 06:38:58.404 INFO [stderr] 
Dec 19 06:38:58.404 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.404 INFO [stderr]    --> src/engine/base.rs:189:28
Dec 19 06:38:58.404 INFO [stderr]     |
Dec 19 06:38:58.404 INFO [stderr] 189 |     fn on_soft_drop(&self, n_rows: u8) {}
Dec 19 06:38:58.404 INFO [stderr]     |                            ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.404 INFO [stderr] 
Dec 19 06:38:58.404 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.404 INFO [stderr]    --> src/engine/base.rs:190:28
Dec 19 06:38:58.404 INFO [stderr]     |
Dec 19 06:38:58.404 INFO [stderr] 190 |     fn on_hard_drop(&self, n_rows: u8) {}
Dec 19 06:38:58.404 INFO [stderr]     |                            ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.404 INFO [stderr] 
Dec 19 06:38:58.404 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.404 INFO [stderr]    --> src/engine/base.rs:191:29
Dec 19 06:38:58.404 INFO [stderr]     |
Dec 19 06:38:58.404 INFO [stderr] 191 |     fn on_line_clear(&self, n_rows: u8) {}
Dec 19 06:38:58.404 INFO [stderr]     |                             ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.404 INFO [stderr] 
Dec 19 06:38:58.428 INFO [stderr] warning: unused variable: `t_spin`
Dec 19 06:38:58.428 INFO [stderr]    --> src/engine/base.rs:188:23
Dec 19 06:38:58.428 INFO [stderr]     |
Dec 19 06:38:58.428 INFO [stderr] 188 |     fn on_lock(&self, t_spin: TSpin) {}
Dec 19 06:38:58.428 INFO [stderr]     |                       ^^^^^^ help: consider using `_t_spin` instead
Dec 19 06:38:58.428 INFO [stderr]     |
Dec 19 06:38:58.428 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 06:38:58.428 INFO [stderr] 
Dec 19 06:38:58.428 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.428 INFO [stderr]    --> src/engine/base.rs:189:28
Dec 19 06:38:58.428 INFO [stderr]     |
Dec 19 06:38:58.428 INFO [stderr] 189 |     fn on_soft_drop(&self, n_rows: u8) {}
Dec 19 06:38:58.428 INFO [stderr]     |                            ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.428 INFO [stderr] 
Dec 19 06:38:58.428 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.428 INFO [stderr]    --> src/engine/base.rs:190:28
Dec 19 06:38:58.428 INFO [stderr]     |
Dec 19 06:38:58.428 INFO [stderr] 190 |     fn on_hard_drop(&self, n_rows: u8) {}
Dec 19 06:38:58.428 INFO [stderr]     |                            ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.428 INFO [stderr] 
Dec 19 06:38:58.428 INFO [stderr] warning: unused variable: `n_rows`
Dec 19 06:38:58.428 INFO [stderr]    --> src/engine/base.rs:191:29
Dec 19 06:38:58.428 INFO [stderr]     |
Dec 19 06:38:58.428 INFO [stderr] 191 |     fn on_line_clear(&self, n_rows: u8) {}
Dec 19 06:38:58.428 INFO [stderr]     |                             ^^^^^^ help: consider using `_n_rows` instead
Dec 19 06:38:58.428 INFO [stderr] 
Dec 19 06:38:58.564 INFO [stderr] warning: method is never used: `get_score`
Dec 19 06:38:58.564 INFO [stderr]    --> src/engine/single.rs:100:5
Dec 19 06:38:58.564 INFO [stderr]     |
Dec 19 06:38:58.564 INFO [stderr] 100 |     fn get_score(&self) -> u32 {
Dec 19 06:38:58.564 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:38:58.564 INFO [stderr]     |
Dec 19 06:38:58.564 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 06:38:58.564 INFO [stderr] 
Dec 19 06:38:58.864 INFO [stderr] warning: variant is never constructed: `O`
Dec 19 06:38:58.864 INFO [stderr]     --> src/engine/base.rs:1015:9
Dec 19 06:38:58.864 INFO [stderr]      |
Dec 19 06:38:58.864 INFO [stderr] 1015 |         O,
Dec 19 06:38:58.864 INFO [stderr]      |         ^
Dec 19 06:38:58.864 INFO [stderr]      |
Dec 19 06:38:58.864 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 19 06:38:58.864 INFO [stderr] 
Dec 19 06:38:58.864 INFO [stderr] warning: variant is never constructed: `Z`
Dec 19 06:38:58.864 INFO [stderr]     --> src/engine/base.rs:1018:9
Dec 19 06:38:58.864 INFO [stderr]      |
Dec 19 06:38:58.864 INFO [stderr] 1018 |         Z,
Dec 19 06:38:58.864 INFO [stderr]      |         ^
Dec 19 06:38:58.864 INFO [stderr] 
Dec 19 06:38:58.864 INFO [stderr] warning: variant is never constructed: `J`
Dec 19 06:38:58.864 INFO [stderr]     --> src/engine/base.rs:1019:9
Dec 19 06:38:58.864 INFO [stderr]      |
Dec 19 06:38:58.864 INFO [stderr] 1019 |         J,
Dec 19 06:38:58.864 INFO [stderr]      |         ^
Dec 19 06:38:58.864 INFO [stderr] 
Dec 19 06:38:58.864 INFO [stderr] warning: variant is never constructed: `L`
Dec 19 06:38:58.864 INFO [stderr]     --> src/engine/base.rs:1020:9
Dec 19 06:38:58.864 INFO [stderr]      |
Dec 19 06:38:58.864 INFO [stderr] 1020 |         L,
Dec 19 06:38:58.864 INFO [stderr]      |         ^
Dec 19 06:38:58.864 INFO [stderr] 
Dec 19 06:38:58.864 INFO [stderr] warning: method is never used: `get_score`
Dec 19 06:38:58.864 INFO [stderr]    --> src/engine/single.rs:100:5
Dec 19 06:38:58.864 INFO [stderr]     |
Dec 19 06:38:58.864 INFO [stderr] 100 |     fn get_score(&self) -> u32 {
Dec 19 06:38:58.864 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:38:58.864 INFO [stderr] 
Dec 19 06:38:58.950 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
Dec 19 06:38:59.855 INFO running `"docker" "inspect" "0f45c9a947caf13f43e7c0c7364680b0fd282b554a5dd395f8abb3196cb5a887"`
Dec 19 06:39:00.078 INFO running `"docker" "rm" "-f" "0f45c9a947caf13f43e7c0c7364680b0fd282b554a5dd395f8abb3196cb5a887"`
Dec 19 06:39:00.284 INFO [stdout] 0f45c9a947caf13f43e7c0c7364680b0fd282b554a5dd395f8abb3196cb5a887