[INFO] updating cached repository christiansakai/tetris_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/christiansakai/tetris_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/christiansakai/tetris_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/christiansakai/tetris_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/tetris_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/tetris_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f8ef0b273fb4202d1188c967e85f314b9fab580
[INFO] sha for GitHub repo christiansakai/tetris_rust: 7f8ef0b273fb4202d1188c967e85f314b9fab580
[INFO] validating manifest of christiansakai/tetris_rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of christiansakai/tetris_rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing christiansakai/tetris_rust
[INFO] finished frobbing christiansakai/tetris_rust
[INFO] frobbed toml for christiansakai/tetris_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust/Cargo.toml
[INFO] started frobbing christiansakai/tetris_rust
[INFO] finished frobbing christiansakai/tetris_rust
[INFO] frobbed toml for christiansakai/tetris_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/tetris_rust/Cargo.toml
[INFO] crate christiansakai/tetris_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing christiansakai/tetris_rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 08265309ecf13f84f2fdbe9d7007e0b6d1813676df03a788b1223fedbd778c4b
[INFO] running `"docker" "start" "-a" "08265309ecf13f84f2fdbe9d7007e0b6d1813676df03a788b1223fedbd778c4b"`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling tetris v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `"docker" "inspect" "08265309ecf13f84f2fdbe9d7007e0b6d1813676df03a788b1223fedbd778c4b"`
[INFO] running `"docker" "rm" "-f" "08265309ecf13f84f2fdbe9d7007e0b6d1813676df03a788b1223fedbd778c4b"`
[INFO] [stdout] 08265309ecf13f84f2fdbe9d7007e0b6d1813676df03a788b1223fedbd778c4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dac83e7cb72bf79089bc7c68f55a08f6ef91eaf05db742c3dad682b35d5542e6
[INFO] running `"docker" "start" "-a" "dac83e7cb72bf79089bc7c68f55a08f6ef91eaf05db742c3dad682b35d5542e6"`
[INFO] [stderr]    Compiling tetris v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Canvas`, `TextureCreator`, `Texture`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "dac83e7cb72bf79089bc7c68f55a08f6ef91eaf05db742c3dad682b35d5542e6"`
[INFO] running `"docker" "rm" "-f" "dac83e7cb72bf79089bc7c68f55a08f6ef91eaf05db742c3dad682b35d5542e6"`
[INFO] [stdout] dac83e7cb72bf79089bc7c68f55a08f6ef91eaf05db742c3dad682b35d5542e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/tetris_rust:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b4365b3342e2f9d900762eee8c6d24750223a8c1e92209d355ec8c1ffa90a143
[INFO] running `"docker" "start" "-a" "b4365b3342e2f9d900762eee8c6d24750223a8c1e92209d355ec8c1ffa90a143"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris-1ce83e1e048c845e
[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" "b4365b3342e2f9d900762eee8c6d24750223a8c1e92209d355ec8c1ffa90a143"`
[INFO] running `"docker" "rm" "-f" "b4365b3342e2f9d900762eee8c6d24750223a8c1e92209d355ec8c1ffa90a143"`
[INFO] [stdout] b4365b3342e2f9d900762eee8c6d24750223a8c1e92209d355ec8c1ffa90a143