Dec 17 13:25:10.039 INFO checking tomarrell/rasp-ws2812b against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:25:10.039 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/tomarrell/rasp-ws2812b:/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 17 13:25:10.252 INFO [stdout] b15e7f3c233b04bec7032e5d1b8b9b256664e2ccbe422cba12e1f4b3a8387a9f
Dec 17 13:25:10.260 INFO running `"docker" "start" "-a" "b15e7f3c233b04bec7032e5d1b8b9b256664e2ccbe422cba12e1f4b3a8387a9f"`
Dec 17 13:25:11.191 INFO [stderr]     Checking rppal v0.7.1
Dec 17 13:25:12.116 INFO [stderr]     Checking raspberry v0.1.0 (/opt/crater/workdir)
Dec 17 13:25:12.207 INFO [stderr] warning: unused import: `std::thread`
Dec 17 13:25:12.208 INFO [stderr]  --> src/main.rs:4:5
Dec 17 13:25:12.208 INFO [stderr]   |
Dec 17 13:25:12.208 INFO [stderr] 4 | use std::thread;
Dec 17 13:25:12.208 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 13:25:12.208 INFO [stderr]   |
Dec 17 13:25:12.208 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:25:12.208 INFO [stderr] 
Dec 17 13:25:12.208 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 13:25:12.208 INFO [stderr]  --> src/main.rs:5:5
Dec 17 13:25:12.208 INFO [stderr]   |
Dec 17 13:25:12.208 INFO [stderr] 5 | use std::time::Duration;
Dec 17 13:25:12.208 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 13:25:12.208 INFO [stderr] 
Dec 17 13:25:12.213 INFO [stderr] warning: unused import: `std::thread`
Dec 17 13:25:12.213 INFO [stderr]  --> src/main.rs:4:5
Dec 17 13:25:12.214 INFO [stderr]   |
Dec 17 13:25:12.214 INFO [stderr] 4 | use std::thread;
Dec 17 13:25:12.214 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 13:25:12.214 INFO [stderr]   |
Dec 17 13:25:12.214 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:25:12.215 INFO [stderr] 
Dec 17 13:25:12.215 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 17 13:25:12.215 INFO [stderr]  --> src/main.rs:5:5
Dec 17 13:25:12.215 INFO [stderr]   |
Dec 17 13:25:12.216 INFO [stderr] 5 | use std::time::Duration;
Dec 17 13:25:12.216 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 17 13:25:12.216 INFO [stderr] 
Dec 17 13:25:12.288 INFO [stderr] warning: field is never used: `num_leds`
Dec 17 13:25:12.288 INFO [stderr]   --> src/main.rs:46:5
Dec 17 13:25:12.288 INFO [stderr]    |
Dec 17 13:25:12.288 INFO [stderr] 46 |     num_leds: u32,
Dec 17 13:25:12.288 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 13:25:12.288 INFO [stderr]    |
Dec 17 13:25:12.288 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 13:25:12.288 INFO [stderr] 
Dec 17 13:25:12.288 INFO [stderr] warning: method is never used: `clear_all_leds`
Dec 17 13:25:12.288 INFO [stderr]    --> src/main.rs:132:5
Dec 17 13:25:12.288 INFO [stderr]     |
Dec 17 13:25:12.288 INFO [stderr] 132 |     fn clear_all_leds(&mut self) {
Dec 17 13:25:12.288 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:25:12.288 INFO [stderr] 
Dec 17 13:25:12.295 INFO [stderr] warning: field is never used: `num_leds`
Dec 17 13:25:12.295 INFO [stderr]   --> src/main.rs:46:5
Dec 17 13:25:12.295 INFO [stderr]    |
Dec 17 13:25:12.295 INFO [stderr] 46 |     num_leds: u32,
Dec 17 13:25:12.295 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 17 13:25:12.295 INFO [stderr]    |
Dec 17 13:25:12.296 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 13:25:12.296 INFO [stderr] 
Dec 17 13:25:12.296 INFO [stderr] warning: method is never used: `clear_all_leds`
Dec 17 13:25:12.296 INFO [stderr]    --> src/main.rs:132:5
Dec 17 13:25:12.296 INFO [stderr]     |
Dec 17 13:25:12.296 INFO [stderr] 132 |     fn clear_all_leds(&mut self) {
Dec 17 13:25:12.296 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:25:12.296 INFO [stderr] 
Dec 17 13:25:12.318 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 17 13:25:12.682 INFO running `"docker" "inspect" "b15e7f3c233b04bec7032e5d1b8b9b256664e2ccbe422cba12e1f4b3a8387a9f"`
Dec 17 13:25:12.898 INFO running `"docker" "rm" "-f" "b15e7f3c233b04bec7032e5d1b8b9b256664e2ccbe422cba12e1f4b3a8387a9f"`
Dec 17 13:25:13.320 INFO [stdout] b15e7f3c233b04bec7032e5d1b8b9b256664e2ccbe422cba12e1f4b3a8387a9f