[INFO] cloning repository knknkn1162/minigrep_test [INFO] running `"git" "clone" "--bare" "git://github.com/knknkn1162/minigrep_test.git" "work/cache/sources/gh/knknkn1162/minigrep_test"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/knknkn1162/minigrep_test'... [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/minigrep_test" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/knknkn1162/minigrep_test"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/knknkn1162/minigrep_test'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/knknkn1162/minigrep_test" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/knknkn1162/minigrep_test"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/knknkn1162/minigrep_test'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 356bcdcd29ed0697af8f2ab4f34cd39301e0d0dc [INFO] sha for GitHub repo knknkn1162/minigrep_test: 356bcdcd29ed0697af8f2ab4f34cd39301e0d0dc [INFO] validating manifest of knknkn1162/minigrep_test on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of knknkn1162/minigrep_test on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing knknkn1162/minigrep_test [INFO] finished frobbing knknkn1162/minigrep_test [INFO] frobbed toml for knknkn1162/minigrep_test written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/knknkn1162/minigrep_test/Cargo.toml [INFO] started frobbing knknkn1162/minigrep_test [INFO] finished frobbing knknkn1162/minigrep_test [INFO] frobbed toml for knknkn1162/minigrep_test written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/knknkn1162/minigrep_test/Cargo.toml [INFO] crate knknkn1162/minigrep_test has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking knknkn1162/minigrep_test against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-1/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b61c0d3689a9e4f528fb1d69ee813efe82ae568f2a61b97e28ad6cee7ed1a8b1 [INFO] running `"docker" "start" "-a" "b61c0d3689a9e4f528fb1d69ee813efe82ae568f2a61b97e28ad6cee7ed1a8b1"` [INFO] [stderr] Checking minigrep v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | / search(&config.query, &contents, !config.case_sensitive).into_iter() [INFO] [stderr] 14 | | .inspect(|&line| println!("{}", line)).collect::>(); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/lib.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | / search(&config.query, &contents, !config.case_sensitive).into_iter() [INFO] [stderr] 14 | | .inspect(|&line| println!("{}", line)).collect::>(); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `"docker" "inspect" "b61c0d3689a9e4f528fb1d69ee813efe82ae568f2a61b97e28ad6cee7ed1a8b1"` [INFO] running `"docker" "rm" "-f" "b61c0d3689a9e4f528fb1d69ee813efe82ae568f2a61b97e28ad6cee7ed1a8b1"` [INFO] [stdout] b61c0d3689a9e4f528fb1d69ee813efe82ae568f2a61b97e28ad6cee7ed1a8b1