[INFO] updating cached repository https://github.com/drgmr/chip8
[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] 86a3a8078eac5240460033d68a052e454ba97004
[INFO] testing drgmr/chip8 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrgmr%2Fchip8" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drgmr/chip8 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/drgmr/chip8
[INFO] finished tweaking git repo https://github.com/drgmr/chip8
[INFO] tweaked toml for git repo https://github.com/drgmr/chip8 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/drgmr/chip8 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] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 61ee93aac86fb4d68ca4ca9ba30e06a59754ad1b90f784540bcf270ae51c9d83
[INFO] running `"docker" "start" "-a" "61ee93aac86fb4d68ca4ca9ba30e06a59754ad1b90f784540bcf270ae51c9d83"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/cpu.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn load_game(cpu: &mut CPU) {}
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `short_constant`
[INFO] [stderr]   --> src/instruction.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let short_constant = source & 0x000F;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_short_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_opcode`
[INFO] [stderr]   --> src/cpu.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fetch_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "61ee93aac86fb4d68ca4ca9ba30e06a59754ad1b90f784540bcf270ae51c9d83"`
[INFO] running `"docker" "rm" "-f" "61ee93aac86fb4d68ca4ca9ba30e06a59754ad1b90f784540bcf270ae51c9d83"`
[INFO] [stdout] 61ee93aac86fb4d68ca4ca9ba30e06a59754ad1b90f784540bcf270ae51c9d83
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 4e9d92b02bff4a92299ed76909be5fbc4ca8b33aaf5e991860798b4bb0ee3b0e
[INFO] running `"docker" "start" "-a" "4e9d92b02bff4a92299ed76909be5fbc4ca8b33aaf5e991860798b4bb0ee3b0e"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/cpu.rs:52:14
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn load_game(cpu: &mut CPU) {}
[INFO] [stderr]    |              ^^^ help: consider prefixing with an underscore: `_cpu`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `short_constant`
[INFO] [stderr]   --> src/instruction.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         let short_constant = source & 0x000F;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_short_constant`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fetch_opcode`
[INFO] [stderr]   --> src/cpu.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn fetch_opcode(&mut self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4e9d92b02bff4a92299ed76909be5fbc4ca8b33aaf5e991860798b4bb0ee3b0e"`
[INFO] running `"docker" "rm" "-f" "4e9d92b02bff4a92299ed76909be5fbc4ca8b33aaf5e991860798b4bb0ee3b0e"`
[INFO] [stdout] 4e9d92b02bff4a92299ed76909be5fbc4ca8b33aaf5e991860798b4bb0ee3b0e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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] 14385a61507877dcd61cc9d304423797b5f7a4a647306865654e5c517e4599f1
[INFO] running `"docker" "start" "-a" "14385a61507877dcd61cc9d304423797b5f7a4a647306865654e5c517e4599f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip8-92060f504bd82d7f
[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" "14385a61507877dcd61cc9d304423797b5f7a4a647306865654e5c517e4599f1"`
[INFO] running `"docker" "rm" "-f" "14385a61507877dcd61cc9d304423797b5f7a4a647306865654e5c517e4599f1"`
[INFO] [stdout] 14385a61507877dcd61cc9d304423797b5f7a4a647306865654e5c517e4599f1