Dec 18 00:27:26.415 INFO checking exploids/rpi_matrix against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:27:26.415 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:27:26.653 INFO [stdout] a5339cf403dc906b9d153ccee072ae5f1c7c3e589dfa09002e788a07cd5c35c1
Dec 18 00:27:26.655 INFO running `"docker" "start" "-a" "a5339cf403dc906b9d153ccee072ae5f1c7c3e589dfa09002e788a07cd5c35c1"`
Dec 18 00:27:27.751 INFO [stderr]     Checking rppal v0.8.1
Dec 18 00:27:29.164 INFO [stderr]     Checking rpi_matrix v0.1.0 (/opt/crater/workdir)
Dec 18 00:27:29.460 INFO [stderr] warning: unused import: `Level`
Dec 18 00:27:29.460 INFO [stderr]  --> src/main.rs:6:31
Dec 18 00:27:29.460 INFO [stderr]   |
Dec 18 00:27:29.460 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 18 00:27:29.460 INFO [stderr]   |                               ^^^^^
Dec 18 00:27:29.460 INFO [stderr]   |
Dec 18 00:27:29.460 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:27:29.460 INFO [stderr] 
Dec 18 00:27:29.512 INFO [stderr] warning: unused variable: `x`
Dec 18 00:27:29.512 INFO [stderr]   --> src/main.rs:19:9
Dec 18 00:27:29.512 INFO [stderr]    |
Dec 18 00:27:29.512 INFO [stderr] 19 |     for x in 0..100 {
Dec 18 00:27:29.512 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 18 00:27:29.512 INFO [stderr]    |
Dec 18 00:27:29.512 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:27:29.512 INFO [stderr] 
Dec 18 00:27:29.648 INFO [stderr] warning: unused import: `Level`
Dec 18 00:27:29.648 INFO [stderr]  --> src/main.rs:6:31
Dec 18 00:27:29.648 INFO [stderr]   |
Dec 18 00:27:29.648 INFO [stderr] 6 | use rppal::gpio::{Gpio, Mode, Level};
Dec 18 00:27:29.648 INFO [stderr]   |                               ^^^^^
Dec 18 00:27:29.648 INFO [stderr]   |
Dec 18 00:27:29.648 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 00:27:29.648 INFO [stderr] 
Dec 18 00:27:29.696 INFO [stderr] warning: unused variable: `x`
Dec 18 00:27:29.696 INFO [stderr]   --> src/main.rs:19:9
Dec 18 00:27:29.696 INFO [stderr]    |
Dec 18 00:27:29.696 INFO [stderr] 19 |     for x in 0..100 {
Dec 18 00:27:29.696 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 18 00:27:29.696 INFO [stderr]    |
Dec 18 00:27:29.696 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:27:29.696 INFO [stderr] 
Dec 18 00:27:29.745 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Dec 18 00:27:30.410 INFO running `"docker" "inspect" "a5339cf403dc906b9d153ccee072ae5f1c7c3e589dfa09002e788a07cd5c35c1"`
Dec 18 00:27:30.778 INFO running `"docker" "rm" "-f" "a5339cf403dc906b9d153ccee072ae5f1c7c3e589dfa09002e788a07cd5c35c1"`
Dec 18 00:27:31.095 INFO [stdout] a5339cf403dc906b9d153ccee072ae5f1c7c3e589dfa09002e788a07cd5c35c1