[INFO] updating cached repository https://github.com/jenspetur94/Chip8-emu
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db11a19816d741b0535a2f2981a01ba1f1d93981
[INFO] testing jenspetur94/Chip8-emu against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjenspetur94%2FChip8-emu" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jenspetur94/Chip8-emu on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jenspetur94/Chip8-emu
[INFO] finished tweaking git repo https://github.com/jenspetur94/Chip8-emu
[INFO] tweaked toml for git repo https://github.com/jenspetur94/Chip8-emu written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jenspetur94/Chip8-emu already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: package.builf
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] dc71ac42afc4a4ec4cce8cdff2a818b5b12e21af323a120d81dbc1334de85cdc
[INFO] running `"docker" "start" "-a" "dc71ac42afc4a4ec4cce8cdff2a818b5b12e21af323a120d81dbc1334de85cdc"`
[INFO] [stderr] warning: unused manifest key: package.builf
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2#120d5443)
[INFO] [stderr]    Compiling chip-8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2#120d5443)
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let bytes_read = if let Ok(bytes_read) = file.read(&mut data) {
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.04s
[INFO] running `"docker" "inspect" "dc71ac42afc4a4ec4cce8cdff2a818b5b12e21af323a120d81dbc1334de85cdc"`
[INFO] running `"docker" "rm" "-f" "dc71ac42afc4a4ec4cce8cdff2a818b5b12e21af323a120d81dbc1334de85cdc"`
[INFO] [stdout] dc71ac42afc4a4ec4cce8cdff2a818b5b12e21af323a120d81dbc1334de85cdc
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ba6d78e07d228bea953c116126241089b21058fc34023de07113d5bc55222d79
[INFO] running `"docker" "start" "-a" "ba6d78e07d228bea953c116126241089b21058fc34023de07113d5bc55222d79"`
[INFO] [stderr] warning: unused manifest key: package.builf
[INFO] [stderr]    Compiling chip-8_emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let bytes_read = if let Ok(bytes_read) = file.read(&mut data) {
[INFO] [stderr]    |         ^^^^^^^^^^ help: consider prefixing with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "ba6d78e07d228bea953c116126241089b21058fc34023de07113d5bc55222d79"`
[INFO] running `"docker" "rm" "-f" "ba6d78e07d228bea953c116126241089b21058fc34023de07113d5bc55222d79"`
[INFO] [stdout] ba6d78e07d228bea953c116126241089b21058fc34023de07113d5bc55222d79
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 53b9cf2158f9d78ded34147a341cb783c36af9cc51f37da9a5d12fa4f5f3e536
[INFO] running `"docker" "start" "-a" "53b9cf2158f9d78ded34147a341cb783c36af9cc51f37da9a5d12fa4f5f3e536"`
[INFO] [stderr] warning: unused manifest key: package.builf
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip_8_emulator-89c61c4ac65d1750
[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" "53b9cf2158f9d78ded34147a341cb783c36af9cc51f37da9a5d12fa4f5f3e536"`
[INFO] running `"docker" "rm" "-f" "53b9cf2158f9d78ded34147a341cb783c36af9cc51f37da9a5d12fa4f5f3e536"`
[INFO] [stdout] 53b9cf2158f9d78ded34147a341cb783c36af9cc51f37da9a5d12fa4f5f3e536