Dec 19 17:48:26.991 INFO checking dpl0/gemub against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:48:26.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/dpl0/gemub:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:48:27.489 INFO [stdout] b439a5a8571549ca2370ebff4e4d6a58460115ef6fb44f3e9320f0f66c6d5f22
Dec 19 17:48:27.492 INFO running `"docker" "start" "-a" "b439a5a8571549ca2370ebff4e4d6a58460115ef6fb44f3e9320f0f66c6d5f22"`
Dec 19 17:48:29.124 INFO [stderr]     Checking gemub v0.1.0 (/opt/crater/workdir)
Dec 19 17:48:29.492 INFO [stderr] warning: unused variable: `buf`
Dec 19 17:48:29.492 INFO [stderr]   --> src/gameboy/bus.rs:59:13
Dec 19 17:48:29.492 INFO [stderr]    |
Dec 19 17:48:29.492 INFO [stderr] 59 |         let buf = buf; // Shadow into an inmutable Copy.
Dec 19 17:48:29.492 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Dec 19 17:48:29.492 INFO [stderr]    |
Dec 19 17:48:29.492 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:48:29.492 INFO [stderr] 
Dec 19 17:48:29.492 INFO [stderr] warning: field is never used: `ram`
Dec 19 17:48:29.492 INFO [stderr]   --> src/gameboy/bus.rs:48:5
Dec 19 17:48:29.492 INFO [stderr]    |
Dec 19 17:48:29.492 INFO [stderr] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
Dec 19 17:48:29.492 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 17:48:29.492 INFO [stderr]    |
Dec 19 17:48:29.492 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:48:29.492 INFO [stderr] 
Dec 19 17:48:29.579 INFO [stderr] warning: unused variable: `buf`
Dec 19 17:48:29.581 INFO [stderr]   --> src/gameboy/bus.rs:59:13
Dec 19 17:48:29.581 INFO [stderr]    |
Dec 19 17:48:29.581 INFO [stderr] 59 |         let buf = buf; // Shadow into an inmutable Copy.
Dec 19 17:48:29.581 INFO [stderr]    |             ^^^ help: consider using `_buf` instead
Dec 19 17:48:29.581 INFO [stderr]    |
Dec 19 17:48:29.581 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:48:29.581 INFO [stderr] 
Dec 19 17:48:29.588 INFO [stderr] warning: field is never used: `ram`
Dec 19 17:48:29.588 INFO [stderr]   --> src/gameboy/bus.rs:48:5
Dec 19 17:48:29.588 INFO [stderr]    |
Dec 19 17:48:29.588 INFO [stderr] 48 |     ram: Box<Vec<u8>>, // Store memory in heap.
Dec 19 17:48:29.588 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 19 17:48:29.588 INFO [stderr]    |
Dec 19 17:48:29.588 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:48:29.588 INFO [stderr] 
Dec 19 17:48:29.625 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 19 17:48:30.478 INFO running `"docker" "inspect" "b439a5a8571549ca2370ebff4e4d6a58460115ef6fb44f3e9320f0f66c6d5f22"`
Dec 19 17:48:30.852 INFO running `"docker" "rm" "-f" "b439a5a8571549ca2370ebff4e4d6a58460115ef6fb44f3e9320f0f66c6d5f22"`
Dec 19 17:48:31.190 INFO [stdout] b439a5a8571549ca2370ebff4e4d6a58460115ef6fb44f3e9320f0f66c6d5f22