Dec 18 14:20:19.559 INFO checking linux_l6470-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:20:19.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/linux_l6470/0.1.0:/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 14:20:19.784 INFO [stdout] 393c98ba329121badf8dbb50c5f657f34c5fc26b9c7dcfff359323f11ac94244
Dec 18 14:20:19.792 INFO running `"docker" "start" "-a" "393c98ba329121badf8dbb50c5f657f34c5fc26b9c7dcfff359323f11ac94244"`
Dec 18 14:20:20.887 INFO [stderr]     Checking linux_l6470 v0.1.0 (/opt/crater/workdir)
Dec 18 14:20:21.500 INFO [stderr] warning: unused variable: `tick_ns`
Dec 18 14:20:21.500 INFO [stderr]   --> src/lib.rs:71:13
Dec 18 14:20:21.500 INFO [stderr]    |
Dec 18 14:20:21.500 INFO [stderr] 71 |         let tick_ns = 250;
Dec 18 14:20:21.500 INFO [stderr]    |             ^^^^^^^ help: consider using `_tick_ns` instead
Dec 18 14:20:21.500 INFO [stderr]    |
Dec 18 14:20:21.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:20:21.500 INFO [stderr] 
Dec 18 14:20:21.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:20:21.556 INFO [stderr]    --> src/lib.rs:178:9
Dec 18 14:20:21.556 INFO [stderr]     |
Dec 18 14:20:21.556 INFO [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
Dec 18 14:20:21.556 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:20:21.556 INFO [stderr]     |
Dec 18 14:20:21.556 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 14:20:21.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:20:21.556 INFO [stderr] 
Dec 18 14:20:21.566 INFO [stderr] warning: unused variable: `tick_ns`
Dec 18 14:20:21.566 INFO [stderr]   --> src/lib.rs:71:13
Dec 18 14:20:21.566 INFO [stderr]    |
Dec 18 14:20:21.566 INFO [stderr] 71 |         let tick_ns = 250;
Dec 18 14:20:21.566 INFO [stderr]    |             ^^^^^^^ help: consider using `_tick_ns` instead
Dec 18 14:20:21.566 INFO [stderr]    |
Dec 18 14:20:21.566 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:20:21.566 INFO [stderr] 
Dec 18 14:20:21.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:20:21.618 INFO [stderr]    --> src/lib.rs:178:9
Dec 18 14:20:21.618 INFO [stderr]     |
Dec 18 14:20:21.618 INFO [stderr] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
Dec 18 14:20:21.618 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:20:21.618 INFO [stderr]     |
Dec 18 14:20:21.618 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 14:20:21.618 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:20:21.618 INFO [stderr] 
Dec 18 14:20:21.646 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 18 14:20:21.916 INFO running `"docker" "inspect" "393c98ba329121badf8dbb50c5f657f34c5fc26b9c7dcfff359323f11ac94244"`
Dec 18 14:20:22.041 INFO running `"docker" "rm" "-f" "393c98ba329121badf8dbb50c5f657f34c5fc26b9c7dcfff359323f11ac94244"`
Dec 18 14:20:22.208 INFO [stdout] 393c98ba329121badf8dbb50c5f657f34c5fc26b9c7dcfff359323f11ac94244