[INFO] updating cached repository grahame/dividebatur2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grahame/dividebatur2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grahame/dividebatur2" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/grahame/dividebatur2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/grahame/dividebatur2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grahame/dividebatur2" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/grahame/dividebatur2"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/grahame/dividebatur2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f52f658ff168ef1070b659fe57fcdf283318bc92
[INFO] sha for GitHub repo grahame/dividebatur2: f52f658ff168ef1070b659fe57fcdf283318bc92
[INFO] validating manifest of grahame/dividebatur2 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grahame/dividebatur2 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grahame/dividebatur2
[INFO] finished frobbing grahame/dividebatur2
[INFO] frobbed toml for grahame/dividebatur2 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/grahame/dividebatur2/Cargo.toml
[INFO] started frobbing grahame/dividebatur2
[INFO] finished frobbing grahame/dividebatur2
[INFO] frobbed toml for grahame/dividebatur2 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/grahame/dividebatur2/Cargo.toml
[INFO] crate grahame/dividebatur2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking grahame/dividebatur2 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/grahame/dividebatur2:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6d34502ab4590183152975454e3083b6f63a27ddfc2fb45f61c3e9970d272a8c
[INFO] running `"docker" "start" "-a" "6d34502ab4590183152975454e3083b6f63a27ddfc2fb45f61c3e9970d272a8c"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking dividebatur v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/aec/data/candidates.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok((rows))
[INFO] [stderr]    |        ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/aec/data/candidates.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok((rows))
[INFO] [stderr]    |        ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/aec/data/candidates.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok((rows))
[INFO] [stderr]    |        ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/aec/data/candidates.rs:67:8
[INFO] [stderr]    |
[INFO] [stderr] 67 |     Ok((rows))
[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 9.22s
[INFO] running `"docker" "inspect" "6d34502ab4590183152975454e3083b6f63a27ddfc2fb45f61c3e9970d272a8c"`
[INFO] running `"docker" "rm" "-f" "6d34502ab4590183152975454e3083b6f63a27ddfc2fb45f61c3e9970d272a8c"`
[INFO] [stdout] 6d34502ab4590183152975454e3083b6f63a27ddfc2fb45f61c3e9970d272a8c