Dec 19 21:39:21.581 INFO checking TheSoftwareFactory/pulurobot-sequencer against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:39:21.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/TheSoftwareFactory/pulurobot-sequencer:/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 21:39:21.924 INFO [stdout] 41f1f2f967caa7b3f6ee4a56fdf462467106efa526ff03f2f8b8593b1005cadb
Dec 19 21:39:21.926 INFO running `"docker" "start" "-a" "41f1f2f967caa7b3f6ee4a56fdf462467106efa526ff03f2f8b8593b1005cadb"`
Dec 19 21:39:24.046 INFO [stderr]     Checking pulurobot-sequencer v0.1.0 (/opt/crater/workdir)
Dec 19 21:39:24.488 INFO [stderr] warning: unused variable: `e`
Dec 19 21:39:24.489 INFO [stderr]    --> src/main.rs:186:17
Dec 19 21:39:24.489 INFO [stderr]     |
Dec 19 21:39:24.489 INFO [stderr] 186 |             Err(e) => {
Dec 19 21:39:24.490 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 19 21:39:24.490 INFO [stderr]     |
Dec 19 21:39:24.490 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 21:39:24.490 INFO [stderr] 
Dec 19 21:39:24.490 INFO [stderr] warning: unused variable: `e`
Dec 19 21:39:24.491 INFO [stderr]    --> src/main.rs:186:17
Dec 19 21:39:24.491 INFO [stderr]     |
Dec 19 21:39:24.491 INFO [stderr] 186 |             Err(e) => {
Dec 19 21:39:24.492 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 19 21:39:24.492 INFO [stderr]     |
Dec 19 21:39:24.492 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 21:39:24.492 INFO [stderr] 
Dec 19 21:39:24.514 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:24.514 INFO [stderr]   --> src/main.rs:89:9
Dec 19 21:39:24.515 INFO [stderr]    |
Dec 19 21:39:24.515 INFO [stderr] 89 |         self.signal_ch.send(true);
Dec 19 21:39:24.515 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:24.516 INFO [stderr]    |
Dec 19 21:39:24.516 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:39:24.516 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:24.516 INFO [stderr] 
Dec 19 21:39:24.517 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:24.517 INFO [stderr]   --> src/main.rs:93:9
Dec 19 21:39:24.517 INFO [stderr]    |
Dec 19 21:39:24.517 INFO [stderr] 93 |         self.signal_ch.send(false);
Dec 19 21:39:24.518 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:24.518 INFO [stderr]    |
Dec 19 21:39:24.518 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:24.518 INFO [stderr] 
Dec 19 21:39:24.532 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:24.533 INFO [stderr]   --> src/main.rs:89:9
Dec 19 21:39:24.533 INFO [stderr]    |
Dec 19 21:39:24.533 INFO [stderr] 89 |         self.signal_ch.send(true);
Dec 19 21:39:24.534 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:24.540 INFO [stderr]    |
Dec 19 21:39:24.541 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:39:24.541 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:24.541 INFO [stderr] 
Dec 19 21:39:24.541 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:39:24.542 INFO [stderr]   --> src/main.rs:93:9
Dec 19 21:39:24.542 INFO [stderr]    |
Dec 19 21:39:24.542 INFO [stderr] 93 |         self.signal_ch.send(false);
Dec 19 21:39:24.542 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:39:24.543 INFO [stderr]    |
Dec 19 21:39:24.543 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:39:24.543 INFO [stderr] 
Dec 19 21:39:24.588 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 19 21:39:25.947 INFO running `"docker" "inspect" "41f1f2f967caa7b3f6ee4a56fdf462467106efa526ff03f2f8b8593b1005cadb"`
Dec 19 21:39:26.222 INFO running `"docker" "rm" "-f" "41f1f2f967caa7b3f6ee4a56fdf462467106efa526ff03f2f8b8593b1005cadb"`
Dec 19 21:39:26.540 INFO [stdout] 41f1f2f967caa7b3f6ee4a56fdf462467106efa526ff03f2f8b8593b1005cadb