[INFO] updating cached repository ttaomae/tet-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ttaomae/tet-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ttaomae/tet-rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ttaomae/tet-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ttaomae/tet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ttaomae/tet-rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ttaomae/tet-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ttaomae/tet-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5cd6dceda2969fb24b22bfc9ba270e1d1044319d
[INFO] sha for GitHub repo ttaomae/tet-rs: 5cd6dceda2969fb24b22bfc9ba270e1d1044319d
[INFO] validating manifest of ttaomae/tet-rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ttaomae/tet-rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ttaomae/tet-rs
[INFO] finished frobbing ttaomae/tet-rs
[INFO] frobbed toml for ttaomae/tet-rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ttaomae/tet-rs/Cargo.toml
[INFO] started frobbing ttaomae/tet-rs
[INFO] finished frobbing ttaomae/tet-rs
[INFO] frobbed toml for ttaomae/tet-rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ttaomae/tet-rs/Cargo.toml
[INFO] crate ttaomae/tet-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ttaomae/tet-rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6caaca258fc14bbcb0f595790397f479aea2ede90adf84ab58ed06e421e1826
[INFO] running `"docker" "start" "-a" "b6caaca258fc14bbcb0f595790397f479aea2ede90adf84ab58ed06e421e1826"`
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking tet-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `t_spin`
[INFO] [stderr]    --> src/engine/base.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn on_lock(&self, t_spin: TSpin) {}
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_t_spin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:189:28
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn on_soft_drop(&self, n_rows: u8) {}
[INFO] [stderr]     |                            ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn on_hard_drop(&self, n_rows: u8) {}
[INFO] [stderr]     |                            ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:191:29
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn on_line_clear(&self, n_rows: u8) {}
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_score`
[INFO] [stderr]    --> src/engine/single.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn get_score(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t_spin`
[INFO] [stderr]    --> src/engine/base.rs:188:23
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn on_lock(&self, t_spin: TSpin) {}
[INFO] [stderr]     |                       ^^^^^^ help: consider prefixing with an underscore: `_t_spin`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:189:28
[INFO] [stderr]     |
[INFO] [stderr] 189 |     fn on_soft_drop(&self, n_rows: u8) {}
[INFO] [stderr]     |                            ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn on_hard_drop(&self, n_rows: u8) {}
[INFO] [stderr]     |                            ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n_rows`
[INFO] [stderr]    --> src/engine/base.rs:191:29
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn on_line_clear(&self, n_rows: u8) {}
[INFO] [stderr]     |                             ^^^^^^ help: consider prefixing with an underscore: `_n_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]     --> src/engine/base.rs:1015:9
[INFO] [stderr]      |
[INFO] [stderr] 1015 |         O,
[INFO] [stderr]      |         ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Z`
[INFO] [stderr]     --> src/engine/base.rs:1018:9
[INFO] [stderr]      |
[INFO] [stderr] 1018 |         Z,
[INFO] [stderr]      |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `J`
[INFO] [stderr]     --> src/engine/base.rs:1019:9
[INFO] [stderr]      |
[INFO] [stderr] 1019 |         J,
[INFO] [stderr]      |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `L`
[INFO] [stderr]     --> src/engine/base.rs:1020:9
[INFO] [stderr]      |
[INFO] [stderr] 1020 |         L,
[INFO] [stderr]      |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_score`
[INFO] [stderr]    --> src/engine/single.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn get_score(&self) -> u32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `"docker" "inspect" "b6caaca258fc14bbcb0f595790397f479aea2ede90adf84ab58ed06e421e1826"`
[INFO] running `"docker" "rm" "-f" "b6caaca258fc14bbcb0f595790397f479aea2ede90adf84ab58ed06e421e1826"`
[INFO] [stdout] b6caaca258fc14bbcb0f595790397f479aea2ede90adf84ab58ed06e421e1826