Dec 04 15:41:50.714 INFO checking knknkn1162/minigrep_test against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:41:50.714 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 15:41:51.175 INFO [stdout] b8aaad716af9206800eb5c61ac5bbd085fa78e49bd1cb97bf8acfd539adfcf86
Dec 04 15:41:51.179 INFO running `"docker" "start" "-a" "b8aaad716af9206800eb5c61ac5bbd085fa78e49bd1cb97bf8acfd539adfcf86"`
Dec 04 15:41:52.319 INFO [stderr] usermod: no changes
Dec 04 15:41:52.367 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 04 15:41:52.985 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:41:52.985 INFO [stderr]   --> src/lib.rs:13:5
Dec 04 15:41:52.985 INFO [stderr]    |
Dec 04 15:41:52.985 INFO [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
Dec 04 15:41:52.985 INFO [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
Dec 04 15:41:52.985 INFO [stderr]    | |___________________________________________________________________^
Dec 04 15:41:52.985 INFO [stderr]    |
Dec 04 15:41:52.985 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:52.985 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:41:52.985 INFO [stderr] 
Dec 04 15:41:52.999 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 15:41:52.999 INFO [stderr]   --> src/lib.rs:13:5
Dec 04 15:41:52.999 INFO [stderr]    |
Dec 04 15:41:52.999 INFO [stderr] 13 | /     search(&config.query, &contents, !config.case_sensitive).into_iter()
Dec 04 15:41:52.999 INFO [stderr] 14 | |         .inspect(|&line| println!("{}", line)).collect::<Vec<_>>();
Dec 04 15:41:52.999 INFO [stderr]    | |___________________________________________________________________^
Dec 04 15:41:52.999 INFO [stderr]    |
Dec 04 15:41:52.999 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:41:52.999 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 15:41:52.999 INFO [stderr] 
Dec 04 15:41:53.615 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 04 15:41:53.615 INFO [stderr] su: No module specific data is present
Dec 04 15:41:54.086 INFO running `"docker" "inspect" "b8aaad716af9206800eb5c61ac5bbd085fa78e49bd1cb97bf8acfd539adfcf86"`
Dec 04 15:41:54.196 INFO running `"docker" "rm" "-f" "b8aaad716af9206800eb5c61ac5bbd085fa78e49bd1cb97bf8acfd539adfcf86"`
Dec 04 15:41:54.412 INFO [stdout] b8aaad716af9206800eb5c61ac5bbd085fa78e49bd1cb97bf8acfd539adfcf86