[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cwmiller/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/cwmiller/rustboy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cwmiller/rustboy" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cwmiller/rustboy"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cwmiller/rustboy on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/cwmiller/rustboy/Cargo.toml
[INFO] crate cwmiller/rustboy already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cwmiller/rustboy against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-1/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9a0f2deddc5495d3346dd01e8057886740f9fa80ec34ab0d5aa412312da8fda0
[INFO] running `"docker" "start" "-a" "9a0f2deddc5495d3346dd01e8057886740f9fa80ec34ab0d5aa412312da8fda0"`
[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 9.11s
[INFO] running `"docker" "inspect" "9a0f2deddc5495d3346dd01e8057886740f9fa80ec34ab0d5aa412312da8fda0"`
[INFO] running `"docker" "rm" "-f" "9a0f2deddc5495d3346dd01e8057886740f9fa80ec34ab0d5aa412312da8fda0"`
[INFO] [stdout] 9a0f2deddc5495d3346dd01e8057886740f9fa80ec34ab0d5aa412312da8fda0