[INFO] updating cached repository jappeace/bitch-tettris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jappeace/bitch-tettris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jappeace/bitch-tettris" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jappeace/bitch-tettris"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jappeace/bitch-tettris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jappeace/bitch-tettris" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jappeace/bitch-tettris"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jappeace/bitch-tettris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f32d36e6a0f57e8be3c829283a2ebac9c53892b
[INFO] sha for GitHub repo jappeace/bitch-tettris: 7f32d36e6a0f57e8be3c829283a2ebac9c53892b
[INFO] validating manifest of jappeace/bitch-tettris on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jappeace/bitch-tettris on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jappeace/bitch-tettris
[INFO] finished frobbing jappeace/bitch-tettris
[INFO] frobbed toml for jappeace/bitch-tettris written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jappeace/bitch-tettris/Cargo.toml
[INFO] started frobbing jappeace/bitch-tettris
[INFO] finished frobbing jappeace/bitch-tettris
[INFO] frobbed toml for jappeace/bitch-tettris written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/jappeace/bitch-tettris/Cargo.toml
[INFO] crate jappeace/bitch-tettris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jappeace/bitch-tettris/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jappeace/bitch-tettris against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/jappeace/bitch-tettris:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 641f91c95ce315d431ce72b83d50b02193418b092edc5649396db71569ad03c5
[INFO] running `"docker" "start" "-a" "641f91c95ce315d431ce72b83d50b02193418b092edc5649396db71569ad03c5"`
[INFO] [stderr]     Checking piston-texture v0.3.0
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]     Checking pistoncore-input v0.8.1
[INFO] [stderr]    Compiling gl v0.5.2
[INFO] [stderr]     Checking png v0.4.3
[INFO] [stderr]     Checking piston2d-graphics v0.13.1
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]     Checking freetype-rs v0.5.0
[INFO] [stderr]     Checking pistoncore-window v0.14.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.17.0
[INFO] [stderr]     Checking piston v0.17.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.23.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.20.0
[INFO] [stderr]     Checking tetris-piston v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `AdvancedWindow`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::window::{ AdvancedWindow, WindowSettings };
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AdvancedWindow`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use piston::window::{ AdvancedWindow, WindowSettings };
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `"docker" "inspect" "641f91c95ce315d431ce72b83d50b02193418b092edc5649396db71569ad03c5"`
[INFO] running `"docker" "rm" "-f" "641f91c95ce315d431ce72b83d50b02193418b092edc5649396db71569ad03c5"`
[INFO] [stdout] 641f91c95ce315d431ce72b83d50b02193418b092edc5649396db71569ad03c5