[INFO] crate rustils 0.1.0 is already in cache [INFO] extracting crate rustils 0.1.0 into work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/rustils/0.1.0 [INFO] extracting crate rustils 0.1.0 into work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/rustils/0.1.0 [INFO] validating manifest of rustils-0.1.0 on toolchain master#003382e4150984cb476047b3925edf8d75df2d59 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rustils-0.1.0 on toolchain try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rustils-0.1.0 [INFO] finished frobbing rustils-0.1.0 [INFO] frobbed toml for rustils-0.1.0 written to work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/rustils/0.1.0/Cargo.toml [INFO] started frobbing rustils-0.1.0 [INFO] finished frobbing rustils-0.1.0 [INFO] frobbed toml for rustils-0.1.0 written to work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/reg/rustils/0.1.0/Cargo.toml [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+47f4f94676fbdd494dd2c2dc9ac377a13fc78e00-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rustils-0.1.0 against master#003382e4150984cb476047b3925edf8d75df2d59 for pr-59527 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59527/worker-4/master#003382e4150984cb476047b3925edf8d75df2d59:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/reg/rustils/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+003382e4150984cb476047b3925edf8d75df2d59-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ef615903de54ef92cba40b1ea8aee25b03a27bac7a55f5a209723bf848009576 [INFO] running `"docker" "start" "-a" "ef615903de54ef92cba40b1ea8aee25b03a27bac7a55f5a209723bf848009576"` [INFO] [stderr] Checking rustils v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used [INFO] [stderr] --> src/string.rs:350:9 [INFO] [stderr] | [INFO] [stderr] 350 | temp.drain(len-search.len()..len).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/string.rs:363:9 [INFO] [stderr] | [INFO] [stderr] 363 | temp.drain(..search.len()).collect::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/string.rs:350:9 [INFO] [stderr] | [INFO] [stderr] 350 | temp.drain(len-search.len()..len).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/string.rs:363:9 [INFO] [stderr] | [INFO] [stderr] 363 | temp.drain(..search.len()).collect::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 5.16s [INFO] running `"docker" "inspect" "ef615903de54ef92cba40b1ea8aee25b03a27bac7a55f5a209723bf848009576"` [INFO] running `"docker" "rm" "-f" "ef615903de54ef92cba40b1ea8aee25b03a27bac7a55f5a209723bf848009576"` [INFO] [stdout] ef615903de54ef92cba40b1ea8aee25b03a27bac7a55f5a209723bf848009576