[INFO] updating cached repository fleurer/chip8rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fleurer/chip8rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fleurer/chip8rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/fleurer/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/fleurer/chip8rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fleurer/chip8rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/fleurer/chip8rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fleurer/chip8rs 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 fleurer/chip8rs
[INFO] finished frobbing fleurer/chip8rs
[INFO] frobbed toml for fleurer/chip8rs written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 fleurer/chip8rs 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b1d8f78260332a9da9e7a06f0105a8e60d6b5e03beb393f4c008d026eb2e9260
[INFO] running `"docker" "start" "-a" "b1d8f78260332a9da9e7a06f0105a8e60d6b5e03beb393f4c008d026eb2e9260"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling sdl2 v0.32.2
[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 10.89s
[INFO] running `"docker" "inspect" "b1d8f78260332a9da9e7a06f0105a8e60d6b5e03beb393f4c008d026eb2e9260"`
[INFO] running `"docker" "rm" "-f" "b1d8f78260332a9da9e7a06f0105a8e60d6b5e03beb393f4c008d026eb2e9260"`
[INFO] [stdout] b1d8f78260332a9da9e7a06f0105a8e60d6b5e03beb393f4c008d026eb2e9260
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8a10869018f8357b9e3479deae4100ce3475c4e4caa6493b4f6e7100a86a746c
[INFO] running `"docker" "start" "-a" "8a10869018f8357b9e3479deae4100ce3475c4e4caa6493b4f6e7100a86a746c"`
[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 1.64s
[INFO] running `"docker" "inspect" "8a10869018f8357b9e3479deae4100ce3475c4e4caa6493b4f6e7100a86a746c"`
[INFO] running `"docker" "rm" "-f" "8a10869018f8357b9e3479deae4100ce3475c4e4caa6493b4f6e7100a86a746c"`
[INFO] [stdout] 8a10869018f8357b9e3479deae4100ce3475c4e4caa6493b4f6e7100a86a746c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 23f2f6904574f5e328c6461f4e2e52d25be97a608fc7533a7f749dbb5108c8e3
[INFO] running `"docker" "start" "-a" "23f2f6904574f5e328c6461f4e2e52d25be97a608fc7533a7f749dbb5108c8e3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8rs-4f4a24eab735785f
[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" "23f2f6904574f5e328c6461f4e2e52d25be97a608fc7533a7f749dbb5108c8e3"`
[INFO] running `"docker" "rm" "-f" "23f2f6904574f5e328c6461f4e2e52d25be97a608fc7533a7f749dbb5108c8e3"`
[INFO] [stdout] 23f2f6904574f5e328c6461f4e2e52d25be97a608fc7533a7f749dbb5108c8e3