[INFO] updating cached repository cwmiller/rustboy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cwmiller/rustboy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cwmiller/rustboy" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/cwmiller/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/cwmiller/rustboy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cwmiller/rustboy" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/cwmiller/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/cwmiller/rustboy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f681f6ff841d38c272d2a2a6e10860e1b99747d5
[INFO] sha for GitHub repo cwmiller/rustboy: f681f6ff841d38c272d2a2a6e10860e1b99747d5
[INFO] validating manifest of cwmiller/rustboy on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cwmiller/rustboy on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cwmiller/rustboy
[INFO] finished frobbing cwmiller/rustboy
[INFO] frobbed toml for cwmiller/rustboy written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/cwmiller/rustboy/Cargo.toml
[INFO] started frobbing cwmiller/rustboy
[INFO] finished frobbing cwmiller/rustboy
[INFO] frobbed toml for cwmiller/rustboy written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/cwmiller/rustboy/Cargo.toml
[INFO] crate cwmiller/rustboy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cwmiller/rustboy against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/cwmiller/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=forbid" "-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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c3cf0586731bf22861559233db03ddb3983bc295b1e3572fc0402243efa95c07
[INFO] running `"docker" "start" "-a" "c3cf0586731bf22861559233db03ddb3983bc295b1e3572fc0402243efa95c07"`
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking x11-dl v2.2.1
[INFO] [stderr]     Checking minifb v0.9.1
[INFO] [stderr]     Checking rustboy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/cartridge/mbc1.rs:75:31
[INFO] [stderr]    |
[INFO] [stderr] 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/cartridge/mbc1.rs:75:31
[INFO] [stderr]    |
[INFO] [stderr] 75 |             ram_data: vec![0; (ram_banks * 0x2000)],
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lcd.rs:133:43
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
[INFO] [stderr]     |                                           ----^^^^^^^^^^^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lcd.rs:133:43
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn step(&mut self, cycles: usize, mut screen_buffer: &mut [u32]) -> StepResult {
[INFO] [stderr]     |                                           ----^^^^^^^^^^^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `"docker" "inspect" "c3cf0586731bf22861559233db03ddb3983bc295b1e3572fc0402243efa95c07"`
[INFO] running `"docker" "rm" "-f" "c3cf0586731bf22861559233db03ddb3983bc295b1e3572fc0402243efa95c07"`
[INFO] [stdout] c3cf0586731bf22861559233db03ddb3983bc295b1e3572fc0402243efa95c07