[INFO] updating cached repository jetspydragon/rust_tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jetspydragon/rust_tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jetspydragon/rust_tetris" "work/ex/beta-1.38-1/sources/1.37.0/gh/jetspydragon/rust_tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jetspydragon/rust_tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jetspydragon/rust_tetris" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/rust_tetris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/rust_tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eed3f9b9b1d0d3a2a4366516b5763eea87fb91c2
[INFO] sha for GitHub repo jetspydragon/rust_tetris: eed3f9b9b1d0d3a2a4366516b5763eea87fb91c2
[INFO] validating manifest of jetspydragon/rust_tetris 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 jetspydragon/rust_tetris 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 jetspydragon/rust_tetris
[INFO] finished frobbing jetspydragon/rust_tetris
[INFO] frobbed toml for jetspydragon/rust_tetris written to work/ex/beta-1.38-1/sources/1.37.0/gh/jetspydragon/rust_tetris/Cargo.toml
[INFO] started frobbing jetspydragon/rust_tetris
[INFO] finished frobbing jetspydragon/rust_tetris
[INFO] frobbed toml for jetspydragon/rust_tetris written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/rust_tetris/Cargo.toml
[INFO] crate jetspydragon/rust_tetris 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 jetspydragon/rust_tetris against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] beefd385fbe77f2b98288651e3d17a9ef807914b6ff8610a191d50d4a17bfbaf
[INFO] running `"docker" "start" "-a" "beefd385fbe77f2b98288651e3d17a9ef807914b6ff8610a191d50d4a17bfbaf"`
[INFO] [stderr]    Compiling rust_sdl2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr] warning: unused import: `Canvas`
[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 9.81s
[INFO] running `"docker" "inspect" "beefd385fbe77f2b98288651e3d17a9ef807914b6ff8610a191d50d4a17bfbaf"`
[INFO] running `"docker" "rm" "-f" "beefd385fbe77f2b98288651e3d17a9ef807914b6ff8610a191d50d4a17bfbaf"`
[INFO] [stdout] beefd385fbe77f2b98288651e3d17a9ef807914b6ff8610a191d50d4a17bfbaf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6531fa682e6ab3248a6f423c4985c1b97fabcbd224112dffc85d440f9388e8fb
[INFO] running `"docker" "start" "-a" "6531fa682e6ab3248a6f423c4985c1b97fabcbd224112dffc85d440f9388e8fb"`
[INFO] [stderr]    Compiling rust_sdl2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Canvas`
[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 0.91s
[INFO] running `"docker" "inspect" "6531fa682e6ab3248a6f423c4985c1b97fabcbd224112dffc85d440f9388e8fb"`
[INFO] running `"docker" "rm" "-f" "6531fa682e6ab3248a6f423c4985c1b97fabcbd224112dffc85d440f9388e8fb"`
[INFO] [stdout] 6531fa682e6ab3248a6f423c4985c1b97fabcbd224112dffc85d440f9388e8fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jetspydragon/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 593691292d660770a89bb0630c72e9548903605a4a32764b010714f1c4f11c22
[INFO] running `"docker" "start" "-a" "593691292d660770a89bb0630c72e9548903605a4a32764b010714f1c4f11c22"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_sdl2-28acc605ce18cc15
[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" "593691292d660770a89bb0630c72e9548903605a4a32764b010714f1c4f11c22"`
[INFO] running `"docker" "rm" "-f" "593691292d660770a89bb0630c72e9548903605a4a32764b010714f1c4f11c22"`
[INFO] [stdout] 593691292d660770a89bb0630c72e9548903605a4a32764b010714f1c4f11c22