Dec 17 21:19:19.463 INFO checking knknkn1162/minigrep_test against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:19:19.464 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/knknkn1162/minigrep_test:/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 17 21:19:19.879 INFO [stdout] a59cc1be30c27b9ce08caf7baebbd9e67e23bcec0619b1bec12be2c8129c1553
Dec 17 21:19:19.881 INFO running `"docker" "start" "-a" "a59cc1be30c27b9ce08caf7baebbd9e67e23bcec0619b1bec12be2c8129c1553"`
Dec 17 21:19:20.985 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 17 21:19:21.300 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 21:19:21.300 INFO [stderr]   --> src/lib.rs:13:5
Dec 17 21:19:21.300 INFO [stderr]    |
Dec 17 21:19:21.300 INFO [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
Dec 17 21:19:21.300 INFO [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
Dec 17 21:19:21.300 INFO [stderr]    | |___________________________________________________________________^
Dec 17 21:19:21.300 INFO [stderr]    |
Dec 17 21:19:21.300 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:19:21.300 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 21:19:21.300 INFO [stderr] 
Dec 17 21:19:21.360 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 21:19:21.360 INFO [stderr]   --> src/lib.rs:13:5
Dec 17 21:19:21.360 INFO [stderr]    |
Dec 17 21:19:21.360 INFO [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
Dec 17 21:19:21.360 INFO [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
Dec 17 21:19:21.360 INFO [stderr]    | |___________________________________________________________________^
Dec 17 21:19:21.360 INFO [stderr]    |
Dec 17 21:19:21.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:19:21.360 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 21:19:21.360 INFO [stderr] 
Dec 17 21:19:21.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 17 21:19:22.158 INFO running `"docker" "inspect" "a59cc1be30c27b9ce08caf7baebbd9e67e23bcec0619b1bec12be2c8129c1553"`
Dec 17 21:19:22.560 INFO running `"docker" "rm" "-f" "a59cc1be30c27b9ce08caf7baebbd9e67e23bcec0619b1bec12be2c8129c1553"`
Dec 17 21:19:22.876 INFO [stdout] a59cc1be30c27b9ce08caf7baebbd9e67e23bcec0619b1bec12be2c8129c1553