[INFO] cloning repository fleurer/chip8rs
[INFO] running `"git" "clone" "--bare" "git://github.com/fleurer/chip8rs.git" "work/cache/sources/gh/fleurer/chip8rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/fleurer/chip8rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/fleurer/chip8rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/fleurer/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/fleurer/chip8rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fleurer/chip8rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ae33a81c1672a5f5cc27bec3081ae9831e9733d
[INFO] sha for GitHub repo fleurer/chip8rs: 7ae33a81c1672a5f5cc27bec3081ae9831e9733d
[INFO] validating manifest of fleurer/chip8rs 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 fleurer/chip8rs 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 fleurer/chip8rs
[INFO] finished frobbing fleurer/chip8rs
[INFO] frobbed toml for fleurer/chip8rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/fleurer/chip8rs/Cargo.toml
[INFO] started frobbing fleurer/chip8rs
[INFO] finished frobbing fleurer/chip8rs
[INFO] frobbed toml for fleurer/chip8rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs/Cargo.toml
[INFO] crate fleurer/chip8rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fleurer/chip8rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 196c3ef4e96a067d5afec6878ea9e39dfdae721361ccf4fcb3a448452b3a0420
[INFO] running `"docker" "start" "-a" "196c3ef4e96a067d5afec6878ea9e39dfdae721361ccf4fcb3a448452b3a0420"`
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling chip8rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8rs/ui.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 self.canvas.fill_rect(Rect::new(x as i32, y as i32, SCALE_FACTOR, SCALE_FACTOR));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `"docker" "inspect" "196c3ef4e96a067d5afec6878ea9e39dfdae721361ccf4fcb3a448452b3a0420"`
[INFO] running `"docker" "rm" "-f" "196c3ef4e96a067d5afec6878ea9e39dfdae721361ccf4fcb3a448452b3a0420"`
[INFO] [stdout] 196c3ef4e96a067d5afec6878ea9e39dfdae721361ccf4fcb3a448452b3a0420
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a3e5df56911db71b603286f01cca463d8987990d350ed7ffc49931d45fac9dc8
[INFO] running `"docker" "start" "-a" "a3e5df56911db71b603286f01cca463d8987990d350ed7ffc49931d45fac9dc8"`
[INFO] [stderr]    Compiling chip8rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8rs/ui.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 self.canvas.fill_rect(Rect::new(x as i32, y as i32, SCALE_FACTOR, SCALE_FACTOR));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "a3e5df56911db71b603286f01cca463d8987990d350ed7ffc49931d45fac9dc8"`
[INFO] running `"docker" "rm" "-f" "a3e5df56911db71b603286f01cca463d8987990d350ed7ffc49931d45fac9dc8"`
[INFO] [stdout] a3e5df56911db71b603286f01cca463d8987990d350ed7ffc49931d45fac9dc8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/fleurer/chip8rs:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d63f5a61b9e2881e759245dde1376997bb858401d55a4381c5aed8496ab15602
[INFO] running `"docker" "start" "-a" "d63f5a61b9e2881e759245dde1376997bb858401d55a4381c5aed8496ab15602"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8rs-2163edfef9e1bfce
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chip8rs::instruction::instruction_test::test_decode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d63f5a61b9e2881e759245dde1376997bb858401d55a4381c5aed8496ab15602"`
[INFO] running `"docker" "rm" "-f" "d63f5a61b9e2881e759245dde1376997bb858401d55a4381c5aed8496ab15602"`
[INFO] [stdout] d63f5a61b9e2881e759245dde1376997bb858401d55a4381c5aed8496ab15602