Dec 18 03:33:07.586 INFO checking backuitist/smart-runner against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:33:07.586 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/backuitist/smart-runner:/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 03:33:08.156 INFO [stdout] b07b9983be02ba3c8bd4a7e37ad80b51f6e809d99dca4d08249a57b5fafa59e4
Dec 18 03:33:08.161 INFO running `"docker" "start" "-a" "b07b9983be02ba3c8bd4a7e37ad80b51f6e809d99dca4d08249a57b5fafa59e4"`
Dec 18 03:33:09.684 INFO [stderr]     Checking num-rational v0.1.41
Dec 18 03:33:09.684 INFO [stderr]     Checking smart-runner v0.1.0 (/opt/crater/workdir)
Dec 18 03:33:10.261 INFO [stderr] warning: unused import: `Placeholders`
Dec 18 03:33:10.261 INFO [stderr]  --> src/suggestion.rs:3:34
Dec 18 03:33:10.261 INFO [stderr]   |
Dec 18 03:33:10.261 INFO [stderr] 3 | use command::{Command, Commands, Placeholders};
Dec 18 03:33:10.261 INFO [stderr]   |                                  ^^^^^^^^^^^^
Dec 18 03:33:10.261 INFO [stderr]   |
Dec 18 03:33:10.261 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 03:33:10.261 INFO [stderr] 
Dec 18 03:33:10.645 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:33:10.645 INFO [stderr]    --> src/screen.rs:242:5
Dec 18 03:33:10.645 INFO [stderr]     |
Dec 18 03:33:10.645 INFO [stderr] 242 |     write!(colorized, "{}{}{}", color::Fg(color), msg, color::Fg(color::Reset));
Dec 18 03:33:10.645 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:33:10.645 INFO [stderr]     |
Dec 18 03:33:10.645 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:33:10.645 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:33:10.645 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 03:33:10.645 INFO [stderr] 
Dec 18 03:33:10.892 INFO [stderr]     Checking num v0.1.41
Dec 18 03:33:11.218 INFO [stderr]     Checking hamcrest v0.1.5
Dec 18 03:33:12.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:33:12.788 INFO [stderr]    --> src/screen.rs:242:5
Dec 18 03:33:12.788 INFO [stderr]     |
Dec 18 03:33:12.788 INFO [stderr] 242 |     write!(colorized, "{}{}{}", color::Fg(color), msg, color::Fg(color::Reset));
Dec 18 03:33:12.788 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:33:12.788 INFO [stderr]     |
Dec 18 03:33:12.788 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:33:12.788 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:33:12.788 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 03:33:12.788 INFO [stderr] 
Dec 18 03:33:12.833 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Dec 18 03:33:13.642 INFO running `"docker" "inspect" "b07b9983be02ba3c8bd4a7e37ad80b51f6e809d99dca4d08249a57b5fafa59e4"`
Dec 18 03:33:13.966 INFO running `"docker" "rm" "-f" "b07b9983be02ba3c8bd4a7e37ad80b51f6e809d99dca4d08249a57b5fafa59e4"`
Dec 18 03:33:14.275 INFO [stdout] b07b9983be02ba3c8bd4a7e37ad80b51f6e809d99dca4d08249a57b5fafa59e4