[INFO] updating cached repository GChicha/RustBoy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GChicha/RustBoy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GChicha/RustBoy" "work/ex/beta-1.38-1/sources/1.37.0/gh/GChicha/RustBoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/GChicha/RustBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GChicha/RustBoy" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GChicha/RustBoy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GChicha/RustBoy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e458bd711c3e76fc3c3f86941279e9895a865192
[INFO] sha for GitHub repo GChicha/RustBoy: e458bd711c3e76fc3c3f86941279e9895a865192
[INFO] validating manifest of GChicha/RustBoy 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 GChicha/RustBoy 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 GChicha/RustBoy
[INFO] finished frobbing GChicha/RustBoy
[INFO] frobbed toml for GChicha/RustBoy written to work/ex/beta-1.38-1/sources/1.37.0/gh/GChicha/RustBoy/Cargo.toml
[INFO] started frobbing GChicha/RustBoy
[INFO] finished frobbing GChicha/RustBoy
[INFO] frobbed toml for GChicha/RustBoy written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GChicha/RustBoy/Cargo.toml
[INFO] crate GChicha/RustBoy 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 GChicha/RustBoy 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/GChicha/RustBoy:/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] 12e7dbe902eccdfd9b02479dca37303b4bab8d25ea1531f04305176a24c319d5
[INFO] running `"docker" "start" "-a" "12e7dbe902eccdfd9b02479dca37303b4bab8d25ea1531f04305176a24c319d5"`
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling gb_emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut events_loop = glutin::EventsLoop::new();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom_size`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let rom_size = match rom_file.read_to_end(&mut rom) {
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_rom_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     C,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RegisterAddressU16`
[INFO] [stderr]    --> src/cpu.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     RegisterAddressU16(Register), // Decay to AddressU16
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "12e7dbe902eccdfd9b02479dca37303b4bab8d25ea1531f04305176a24c319d5"`
[INFO] running `"docker" "rm" "-f" "12e7dbe902eccdfd9b02479dca37303b4bab8d25ea1531f04305176a24c319d5"`
[INFO] [stdout] 12e7dbe902eccdfd9b02479dca37303b4bab8d25ea1531f04305176a24c319d5
[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/GChicha/RustBoy:/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] 3a631508a16706a16660aa012ede02021f766259f43c87199bd06e3eda8d7085
[INFO] running `"docker" "start" "-a" "3a631508a16706a16660aa012ede02021f766259f43c87199bd06e3eda8d7085"`
[INFO] [stderr]    Compiling gb_emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut events_loop = glutin::EventsLoop::new();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rom_size`
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let rom_size = match rom_file.read_to_end(&mut rom) {
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_rom_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C`
[INFO] [stderr]   --> src/cpu.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     C,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RegisterAddressU16`
[INFO] [stderr]    --> src/cpu.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     RegisterAddressU16(Register), // Decay to AddressU16
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "3a631508a16706a16660aa012ede02021f766259f43c87199bd06e3eda8d7085"`
[INFO] running `"docker" "rm" "-f" "3a631508a16706a16660aa012ede02021f766259f43c87199bd06e3eda8d7085"`
[INFO] [stdout] 3a631508a16706a16660aa012ede02021f766259f43c87199bd06e3eda8d7085
[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/GChicha/RustBoy:/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] 0a86d6748a662bd38c11f34e3866dd2ab7d2ada303ff9901067d82f013f9cd88
[INFO] running `"docker" "start" "-a" "0a86d6748a662bd38c11f34e3866dd2ab7d2ada303ff9901067d82f013f9cd88"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gb_emulator-c829df1d8c120f78
[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" "0a86d6748a662bd38c11f34e3866dd2ab7d2ada303ff9901067d82f013f9cd88"`
[INFO] running `"docker" "rm" "-f" "0a86d6748a662bd38c11f34e3866dd2ab7d2ada303ff9901067d82f013f9cd88"`
[INFO] [stdout] 0a86d6748a662bd38c11f34e3866dd2ab7d2ada303ff9901067d82f013f9cd88