[INFO] crate primal-check 0.2.3 is already in cache
[INFO] extracting crate primal-check 0.2.3 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/primal-check/0.2.3
[INFO] extracting crate primal-check 0.2.3 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/primal-check/0.2.3
[INFO] validating manifest of primal-check-0.2.3 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of primal-check-0.2.3 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing primal-check-0.2.3
[INFO] finished frobbing primal-check-0.2.3
[INFO] frobbed toml for primal-check-0.2.3 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/primal-check/0.2.3/Cargo.toml
[INFO] started frobbing primal-check-0.2.3
[INFO] finished frobbing primal-check-0.2.3
[INFO] frobbed toml for primal-check-0.2.3 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/primal-check/0.2.3/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking primal-check-0.2.3 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/primal-check/0.2.3:/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 16f0ff1ba0bc945d754164a0ecb7a9791b4b3b616781e9cbecb7c169bcdaaf46
[INFO] running `"docker" "start" "-a" "16f0ff1ba0bc945d754164a0ecb7a9791b4b3b616781e9cbecb7c169bcdaaf46"`
[INFO] [stderr]     Checking primal-sieve v0.2.9
[INFO] [stderr]     Checking primal-check v0.2.3 (/opt/crater/workdir)
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/perfect_power.rs:121:43
[INFO] [stderr]     |
[INFO] [stderr] 121 |                        if is_prime { Some((expected))} else { None })
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `"docker" "inspect" "16f0ff1ba0bc945d754164a0ecb7a9791b4b3b616781e9cbecb7c169bcdaaf46"`
[INFO] running `"docker" "rm" "-f" "16f0ff1ba0bc945d754164a0ecb7a9791b4b3b616781e9cbecb7c169bcdaaf46"`
[INFO] [stdout] 16f0ff1ba0bc945d754164a0ecb7a9791b4b3b616781e9cbecb7c169bcdaaf46