Dec 18 06:42:35.431 INFO checking LogoiLab/rpi against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:42:35.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/LogoiLab/rpi:/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 06:42:35.624 INFO [stdout] 0bc795f77425b1a810f71430b1d21ea975f4b0b1fa66ed072f245821749d668b
Dec 18 06:42:35.626 INFO running `"docker" "start" "-a" "0bc795f77425b1a810f71430b1d21ea975f4b0b1fa66ed072f245821749d668b"`
Dec 18 06:42:36.267 INFO [stderr]     Checking nix v0.6.0
Dec 18 06:42:38.859 INFO [stderr]     Checking sysfs_gpio v0.5.1
Dec 18 06:42:39.273 INFO [stderr]     Checking rpi v0.1.0 (/opt/crater/workdir)
Dec 18 06:42:39.568 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:42:39.568 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:42:39.568 INFO [stderr]   |
Dec 18 06:42:39.568 INFO [stderr] 6 | use std::env;
Dec 18 06:42:39.568 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:42:39.568 INFO [stderr]   |
Dec 18 06:42:39.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:42:39.568 INFO [stderr] 
Dec 18 06:42:39.598 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:42:39.598 INFO [stderr]  --> src/main.rs:6:5
Dec 18 06:42:39.598 INFO [stderr]   |
Dec 18 06:42:39.598 INFO [stderr] 6 | use std::env;
Dec 18 06:42:39.598 INFO [stderr]   |     ^^^^^^^^
Dec 18 06:42:39.598 INFO [stderr]   |
Dec 18 06:42:39.598 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:42:39.598 INFO [stderr] 
Dec 18 06:42:39.616 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:42:39.616 INFO [stderr]   --> src/main.rs:21:5
Dec 18 06:42:39.616 INFO [stderr]    |
Dec 18 06:42:39.616 INFO [stderr] 21 | /     match error_num {
Dec 18 06:42:39.616 INFO [stderr] 22 | |         0 => led_red.with_exported(|| {
Dec 18 06:42:39.616 INFO [stderr] 23 | |             led_red.set_direction(Direction::Low)?;
Dec 18 06:42:39.616 INFO [stderr] 24 | |             let iterations = duration_ms / period_ms / 2;
Dec 18 06:42:39.616 INFO [stderr] ...  |
Dec 18 06:42:39.616 INFO [stderr] 58 | |         _ => Ok(()),
Dec 18 06:42:39.616 INFO [stderr] 59 | |     };
Dec 18 06:42:39.616 INFO [stderr]    | |______^
Dec 18 06:42:39.616 INFO [stderr]    |
Dec 18 06:42:39.616 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:42:39.616 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:42:39.617 INFO [stderr] 
Dec 18 06:42:39.652 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:42:39.652 INFO [stderr]   --> src/main.rs:21:5
Dec 18 06:42:39.652 INFO [stderr]    |
Dec 18 06:42:39.652 INFO [stderr] 21 | /     match error_num {
Dec 18 06:42:39.652 INFO [stderr] 22 | |         0 => led_red.with_exported(|| {
Dec 18 06:42:39.652 INFO [stderr] 23 | |             led_red.set_direction(Direction::Low)?;
Dec 18 06:42:39.652 INFO [stderr] 24 | |             let iterations = duration_ms / period_ms / 2;
Dec 18 06:42:39.652 INFO [stderr] ...  |
Dec 18 06:42:39.652 INFO [stderr] 58 | |         _ => Ok(()),
Dec 18 06:42:39.652 INFO [stderr] 59 | |     };
Dec 18 06:42:39.652 INFO [stderr]    | |______^
Dec 18 06:42:39.652 INFO [stderr]    |
Dec 18 06:42:39.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:42:39.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:42:39.652 INFO [stderr] 
Dec 18 06:42:39.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
Dec 18 06:42:39.936 INFO running `"docker" "inspect" "0bc795f77425b1a810f71430b1d21ea975f4b0b1fa66ed072f245821749d668b"`
Dec 18 06:42:40.030 INFO running `"docker" "rm" "-f" "0bc795f77425b1a810f71430b1d21ea975f4b0b1fa66ed072f245821749d668b"`
Dec 18 06:42:40.176 INFO [stdout] 0bc795f77425b1a810f71430b1d21ea975f4b0b1fa66ed072f245821749d668b