Dec 18 05:45:10.123 INFO checking RaineForest/FateExtraSolver against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 05:45:10.123 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/RaineForest/FateExtraSolver:/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 05:45:10.587 INFO [stdout] 88eb34ff10e825b92c33976def2426b35951f5a829acdf33659ffbfa34c9602d
Dec 18 05:45:10.589 INFO running `"docker" "start" "-a" "88eb34ff10e825b92c33976def2426b35951f5a829acdf33659ffbfa34c9602d"`
Dec 18 05:45:12.368 INFO [stderr]     Checking regex v0.2.10
Dec 18 05:45:14.592 INFO [stderr]     Checking fate_extra_solver v0.1.0 (/opt/crater/workdir)
Dec 18 05:45:15.228 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.228 INFO [stderr]   --> src/enemy.rs:49:9
Dec 18 05:45:15.228 INFO [stderr]    |
Dec 18 05:45:15.228 INFO [stderr] 49 | /         self.action_strings.iter().map(|x| {
Dec 18 05:45:15.228 INFO [stderr] 50 | |             x.iter().map(|y| {
Dec 18 05:45:15.228 INFO [stderr] 51 | |                 print!("{}\t", y);
Dec 18 05:45:15.228 INFO [stderr] 52 | |             }).collect::<Vec<_>>();
Dec 18 05:45:15.228 INFO [stderr] 53 | |             println!();
Dec 18 05:45:15.228 INFO [stderr] 54 | |         }).collect::<Vec<_>>();
Dec 18 05:45:15.228 INFO [stderr]    | |_______________________________^
Dec 18 05:45:15.228 INFO [stderr]    |
Dec 18 05:45:15.228 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:45:15.228 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.228 INFO [stderr] 
Dec 18 05:45:15.228 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.228 INFO [stderr]   --> src/enemy.rs:50:13
Dec 18 05:45:15.228 INFO [stderr]    |
Dec 18 05:45:15.229 INFO [stderr] 50 | /             x.iter().map(|y| {
Dec 18 05:45:15.229 INFO [stderr] 51 | |                 print!("{}\t", y);
Dec 18 05:45:15.229 INFO [stderr] 52 | |             }).collect::<Vec<_>>();
Dec 18 05:45:15.229 INFO [stderr]    | |___________________________________^
Dec 18 05:45:15.229 INFO [stderr]    |
Dec 18 05:45:15.229 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.229 INFO [stderr] 
Dec 18 05:45:15.231 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.231 INFO [stderr]   --> src/enemy.rs:49:9
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr] 49 | /         self.action_strings.iter().map(|x| {
Dec 18 05:45:15.231 INFO [stderr] 50 | |             x.iter().map(|y| {
Dec 18 05:45:15.231 INFO [stderr] 51 | |                 print!("{}\t", y);
Dec 18 05:45:15.231 INFO [stderr] 52 | |             }).collect::<Vec<_>>();
Dec 18 05:45:15.231 INFO [stderr] 53 | |             println!();
Dec 18 05:45:15.231 INFO [stderr] 54 | |         }).collect::<Vec<_>>();
Dec 18 05:45:15.231 INFO [stderr]    | |_______________________________^
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 05:45:15.231 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.231 INFO [stderr] 
Dec 18 05:45:15.231 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.231 INFO [stderr]   --> src/enemy.rs:50:13
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr] 50 | /             x.iter().map(|y| {
Dec 18 05:45:15.231 INFO [stderr] 51 | |                 print!("{}\t", y);
Dec 18 05:45:15.231 INFO [stderr] 52 | |             }).collect::<Vec<_>>();
Dec 18 05:45:15.231 INFO [stderr]    | |___________________________________^
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.231 INFO [stderr] 
Dec 18 05:45:15.231 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.231 INFO [stderr]   --> src/main.rs:25:5
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr] 25 |     patterns.iter().map(|x| print_pattern(&x)).collect::<Vec<_>>();
Dec 18 05:45:15.231 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.231 INFO [stderr] 
Dec 18 05:45:15.231 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.231 INFO [stderr]   --> src/main.rs:83:17
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr] 83 | /                 enemies.iter().map(|(k,_)| {
Dec 18 05:45:15.231 INFO [stderr] 84 | |                     println!("{}", k);
Dec 18 05:45:15.231 INFO [stderr] 85 | |                 }).collect::<Vec<_>>();
Dec 18 05:45:15.231 INFO [stderr]    | |_______________________________________^
Dec 18 05:45:15.231 INFO [stderr]    |
Dec 18 05:45:15.231 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.231 INFO [stderr] 
Dec 18 05:45:15.239 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.239 INFO [stderr]   --> src/main.rs:25:5
Dec 18 05:45:15.239 INFO [stderr]    |
Dec 18 05:45:15.239 INFO [stderr] 25 |     patterns.iter().map(|x| print_pattern(&x)).collect::<Vec<_>>();
Dec 18 05:45:15.239 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:45:15.239 INFO [stderr]    |
Dec 18 05:45:15.239 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.239 INFO [stderr] 
Dec 18 05:45:15.239 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 05:45:15.239 INFO [stderr]   --> src/main.rs:83:17
Dec 18 05:45:15.239 INFO [stderr]    |
Dec 18 05:45:15.239 INFO [stderr] 83 | /                 enemies.iter().map(|(k,_)| {
Dec 18 05:45:15.239 INFO [stderr] 84 | |                     println!("{}", k);
Dec 18 05:45:15.239 INFO [stderr] 85 | |                 }).collect::<Vec<_>>();
Dec 18 05:45:15.239 INFO [stderr]    | |_______________________________________^
Dec 18 05:45:15.239 INFO [stderr]    |
Dec 18 05:45:15.239 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 05:45:15.239 INFO [stderr] 
Dec 18 05:45:15.276 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
Dec 18 05:45:15.958 INFO running `"docker" "inspect" "88eb34ff10e825b92c33976def2426b35951f5a829acdf33659ffbfa34c9602d"`
Dec 18 05:45:16.184 INFO running `"docker" "rm" "-f" "88eb34ff10e825b92c33976def2426b35951f5a829acdf33659ffbfa34c9602d"`
Dec 18 05:45:16.580 INFO [stdout] 88eb34ff10e825b92c33976def2426b35951f5a829acdf33659ffbfa34c9602d