Dec 18 00:27:26.563 INFO checking exploids/rpi_matrix against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:27:26.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/exploids/rpi_matrix:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:27:26.737 INFO [stdout] 23f18cddd68be6ad1e3784f6b23455b1afbaae6ac894f53b83ff5f4a89f68001
Dec 18 00:27:26.742 INFO running `"docker" "start" "-a" "23f18cddd68be6ad1e3784f6b23455b1afbaae6ac894f53b83ff5f4a89f68001"`
Dec 18 00:27:28.118 INFO [stderr]     Checking rppal v0.8.1
Dec 18 00:27:29.585 INFO [stderr]     Checking rpi_matrix v0.1.0 (/opt/crater/workdir)
Dec 18 00:27:29.837 INFO [stderr] warning: unused import: `Level`
Dec 18 00:27:29.837 INFO [stderr]  --> src/main.rs:6:31
Dec 18 00:27:29.838 INFO [stderr]   |
Dec 18 00:27:29.838 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 18 00:27:29.838 INFO [stderr]   |                               ^^^^^
Dec 18 00:27:29.838 INFO [stderr]   |
Dec 18 00:27:29.838 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:27:29.838 INFO [stderr] 
Dec 18 00:27:29.856 INFO [stderr] warning: unused import: `Level`
Dec 18 00:27:29.856 INFO [stderr]  --> src/main.rs:6:31
Dec 18 00:27:29.856 INFO [stderr]   |
Dec 18 00:27:29.856 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 18 00:27:29.856 INFO [stderr]   |                               ^^^^^
Dec 18 00:27:29.857 INFO [stderr]   |
Dec 18 00:27:29.857 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:27:29.857 INFO [stderr] 
Dec 18 00:27:29.876 INFO [stderr] warning: unused variable: `x`
Dec 18 00:27:29.876 INFO [stderr]   --> src/main.rs:19:9
Dec 18 00:27:29.876 INFO [stderr]    |
Dec 18 00:27:29.876 INFO [stderr] 19 |     for x in 0..100 {
Dec 18 00:27:29.876 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 18 00:27:29.876 INFO [stderr]    |
Dec 18 00:27:29.876 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:27:29.876 INFO [stderr] 
Dec 18 00:27:29.916 INFO [stderr] warning: unused variable: `x`
Dec 18 00:27:29.916 INFO [stderr]   --> src/main.rs:19:9
Dec 18 00:27:29.916 INFO [stderr]    |
Dec 18 00:27:29.916 INFO [stderr] 19 |     for x in 0..100 {
Dec 18 00:27:29.916 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 18 00:27:29.916 INFO [stderr]    |
Dec 18 00:27:29.916 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:27:29.916 INFO [stderr] 
Dec 18 00:27:29.953 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Dec 18 00:27:30.588 INFO running `"docker" "inspect" "23f18cddd68be6ad1e3784f6b23455b1afbaae6ac894f53b83ff5f4a89f68001"`
Dec 18 00:27:30.866 INFO running `"docker" "rm" "-f" "23f18cddd68be6ad1e3784f6b23455b1afbaae6ac894f53b83ff5f4a89f68001"`
Dec 18 00:27:31.137 INFO [stdout] 23f18cddd68be6ad1e3784f6b23455b1afbaae6ac894f53b83ff5f4a89f68001