[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grahame/dividebatur2"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/grahame/dividebatur2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grahame/dividebatur2" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/grahame/dividebatur2"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grahame/dividebatur2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/grahame/dividebatur2/Cargo.toml
[INFO] crate grahame/dividebatur2 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing grahame/dividebatur2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] cbf4012a3294dc45b2420bc8e3892d45c0a958ec52d52d482dac78ac7f23278d
[INFO] running `"docker" "start" "-a" "cbf4012a3294dc45b2420bc8e3892d45c0a958ec52d52d482dac78ac7f23278d"`
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `"docker" "inspect" "cbf4012a3294dc45b2420bc8e3892d45c0a958ec52d52d482dac78ac7f23278d"`
[INFO] running `"docker" "rm" "-f" "cbf4012a3294dc45b2420bc8e3892d45c0a958ec52d52d482dac78ac7f23278d"`
[INFO] [stdout] cbf4012a3294dc45b2420bc8e3892d45c0a958ec52d52d482dac78ac7f23278d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 83469f9117bd17f52399fdab31a1dfa6bb688f6c7f72c9b4743ddb7a2d6c60d8
[INFO] running `"docker" "start" "-a" "83469f9117bd17f52399fdab31a1dfa6bb688f6c7f72c9b4743ddb7a2d6c60d8"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "83469f9117bd17f52399fdab31a1dfa6bb688f6c7f72c9b4743ddb7a2d6c60d8"`
[INFO] running `"docker" "rm" "-f" "83469f9117bd17f52399fdab31a1dfa6bb688f6c7f72c9b4743ddb7a2d6c60d8"`
[INFO] [stdout] 83469f9117bd17f52399fdab31a1dfa6bb688f6c7f72c9b4743ddb7a2d6c60d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] e88c5f83b69b939536f1fd9662a9cb08064aba307e8f5c167470923f245500e4
[INFO] running `"docker" "start" "-a" "e88c5f83b69b939536f1fd9662a9cb08064aba307e8f5c167470923f245500e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dividebatur-4f41a36752dbdf8d
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test aec::data::formalpreferences::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dividebatur-24f4c2f98a9720bd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test aec::data::formalpreferences::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dividebatur
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e88c5f83b69b939536f1fd9662a9cb08064aba307e8f5c167470923f245500e4"`
[INFO] running `"docker" "rm" "-f" "e88c5f83b69b939536f1fd9662a9cb08064aba307e8f5c167470923f245500e4"`
[INFO] [stdout] e88c5f83b69b939536f1fd9662a9cb08064aba307e8f5c167470923f245500e4