[INFO] updating cached repository merrickluo/learning-rust-tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/merrickluo/learning-rust-tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/merrickluo/learning-rust-tetris" "work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/merrickluo/learning-rust-tetris" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffc7d01c097562db0be59009ac8f2ab7fa30810f
[INFO] sha for GitHub repo merrickluo/learning-rust-tetris: ffc7d01c097562db0be59009ac8f2ab7fa30810f
[INFO] validating manifest of merrickluo/learning-rust-tetris on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of merrickluo/learning-rust-tetris on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing merrickluo/learning-rust-tetris
[INFO] finished frobbing merrickluo/learning-rust-tetris
[INFO] frobbed toml for merrickluo/learning-rust-tetris written to work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris/Cargo.toml
[INFO] started frobbing merrickluo/learning-rust-tetris
[INFO] finished frobbing merrickluo/learning-rust-tetris
[INFO] frobbed toml for merrickluo/learning-rust-tetris written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/merrickluo/learning-rust-tetris/Cargo.toml
[INFO] crate merrickluo/learning-rust-tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris/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[INFO] the lockfile is outdated, regenerating it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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing merrickluo/learning-rust-tetris against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 77f63ff19b4e7367c362e0ac7db8b383c49d212444d26e3e32d9184f749aa9d9
[INFO] running `"docker" "start" "-a" "77f63ff19b4e7367c362e0ac7db8b383c49d212444d26e3e32d9184f749aa9d9"`
[INFO] [stderr]    Compiling pistoncore-input v0.14.0
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling timer v0.1.6
[INFO] [stderr]    Compiling pistoncore-window v0.22.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.25.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.30.0
[INFO] [stderr]    Compiling piston v0.25.1
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.33.0
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.36s
[INFO] running `"docker" "inspect" "77f63ff19b4e7367c362e0ac7db8b383c49d212444d26e3e32d9184f749aa9d9"`
[INFO] running `"docker" "rm" "-f" "77f63ff19b4e7367c362e0ac7db8b383c49d212444d26e3e32d9184f749aa9d9"`
[INFO] [stdout] 77f63ff19b4e7367c362e0ac7db8b383c49d212444d26e3e32d9184f749aa9d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5ebd635663c01076c587df237c0ae3dec379babcbc6486d5576c0cbf7ecff6f8
[INFO] running `"docker" "start" "-a" "5ebd635663c01076c587df237c0ae3dec379babcbc6486d5576c0cbf7ecff6f8"`
[INFO] [stderr]    Compiling tetris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "5ebd635663c01076c587df237c0ae3dec379babcbc6486d5576c0cbf7ecff6f8"`
[INFO] running `"docker" "rm" "-f" "5ebd635663c01076c587df237c0ae3dec379babcbc6486d5576c0cbf7ecff6f8"`
[INFO] [stdout] 5ebd635663c01076c587df237c0ae3dec379babcbc6486d5576c0cbf7ecff6f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/merrickluo/learning-rust-tetris:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 97e58dcb349b081f99630a982245c2151640dcd53091f14366950ac16874e3b9
[INFO] running `"docker" "start" "-a" "97e58dcb349b081f99630a982245c2151640dcd53091f14366950ac16874e3b9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-7f9af6d45abd7717
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-90beb42bfbc2adc1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tetris
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "97e58dcb349b081f99630a982245c2151640dcd53091f14366950ac16874e3b9"`
[INFO] running `"docker" "rm" "-f" "97e58dcb349b081f99630a982245c2151640dcd53091f14366950ac16874e3b9"`
[INFO] [stdout] 97e58dcb349b081f99630a982245c2151640dcd53091f14366950ac16874e3b9