Dec 19 17:09:14.009 INFO checking exploids/rpi_matrix against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:09:14.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:09:14.450 INFO [stdout] c99aa47b564cd75e9682ccca8850ebf41c6f2b4b750bef79155bd72931229cd9
Dec 19 17:09:14.454 INFO running `"docker" "start" "-a" "c99aa47b564cd75e9682ccca8850ebf41c6f2b4b750bef79155bd72931229cd9"`
Dec 19 17:09:15.924 INFO [stderr]     Checking rppal v0.8.1
Dec 19 17:09:17.132 INFO [stderr]     Checking rpi_matrix v0.1.0 (/opt/crater/workdir)
Dec 19 17:09:17.452 INFO [stderr] warning: unused import: `Level`
Dec 19 17:09:17.452 INFO [stderr]  --> src/main.rs:6:31
Dec 19 17:09:17.452 INFO [stderr]   |
Dec 19 17:09:17.452 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 19 17:09:17.452 INFO [stderr]   |                               ^^^^^
Dec 19 17:09:17.452 INFO [stderr]   |
Dec 19 17:09:17.452 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:09:17.452 INFO [stderr] 
Dec 19 17:09:17.484 INFO [stderr] warning: unused import: `Level`
Dec 19 17:09:17.484 INFO [stderr]  --> src/main.rs:6:31
Dec 19 17:09:17.484 INFO [stderr]   |
Dec 19 17:09:17.484 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 19 17:09:17.484 INFO [stderr]   |                               ^^^^^
Dec 19 17:09:17.484 INFO [stderr]   |
Dec 19 17:09:17.484 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:09:17.484 INFO [stderr] 
Dec 19 17:09:17.516 INFO [stderr] warning: unused variable: `x`
Dec 19 17:09:17.516 INFO [stderr]   --> src/main.rs:19:9
Dec 19 17:09:17.516 INFO [stderr]    |
Dec 19 17:09:17.516 INFO [stderr] 19 |     for x in 0..100 {
Dec 19 17:09:17.516 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 19 17:09:17.516 INFO [stderr]    |
Dec 19 17:09:17.516 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:09:17.516 INFO [stderr] 
Dec 19 17:09:17.536 INFO [stderr] warning: unused variable: `x`
Dec 19 17:09:17.536 INFO [stderr]   --> src/main.rs:19:9
Dec 19 17:09:17.536 INFO [stderr]    |
Dec 19 17:09:17.536 INFO [stderr] 19 |     for x in 0..100 {
Dec 19 17:09:17.536 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 19 17:09:17.544 INFO [stderr]    |
Dec 19 17:09:17.544 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 17:09:17.544 INFO [stderr] 
Dec 19 17:09:17.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
Dec 19 17:09:18.248 INFO running `"docker" "inspect" "c99aa47b564cd75e9682ccca8850ebf41c6f2b4b750bef79155bd72931229cd9"`
Dec 19 17:09:18.538 INFO running `"docker" "rm" "-f" "c99aa47b564cd75e9682ccca8850ebf41c6f2b4b750bef79155bd72931229cd9"`
Dec 19 17:09:18.800 INFO [stdout] c99aa47b564cd75e9682ccca8850ebf41c6f2b4b750bef79155bd72931229cd9