[INFO] updating cached repository shelbyd/subsrch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shelbyd/subsrch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shelbyd/subsrch" "work/ex/beta-1.37-6/sources/1.36.0/gh/shelbyd/subsrch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/shelbyd/subsrch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shelbyd/subsrch" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee2d225b88d73d1dc0976ce7f59ed0d06bf53adf
[INFO] sha for GitHub repo shelbyd/subsrch: ee2d225b88d73d1dc0976ce7f59ed0d06bf53adf
[INFO] validating manifest of shelbyd/subsrch on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shelbyd/subsrch on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shelbyd/subsrch
[INFO] finished frobbing shelbyd/subsrch
[INFO] frobbed toml for shelbyd/subsrch written to work/ex/beta-1.37-6/sources/1.36.0/gh/shelbyd/subsrch/Cargo.toml
[INFO] started frobbing shelbyd/subsrch
[INFO] finished frobbing shelbyd/subsrch
[INFO] frobbed toml for shelbyd/subsrch written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch/Cargo.toml
[INFO] crate shelbyd/subsrch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing shelbyd/subsrch against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bcba5189db40d858e6981e93a9a7cac5dbda25c3af92d005ea4752461d142cff
[INFO] running `"docker" "start" "-a" "bcba5189db40d858e6981e93a9a7cac5dbda25c3af92d005ea4752461d142cff"`
[INFO] [stderr]    Compiling structopt v0.1.6
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `"docker" "inspect" "bcba5189db40d858e6981e93a9a7cac5dbda25c3af92d005ea4752461d142cff"`
[INFO] running `"docker" "rm" "-f" "bcba5189db40d858e6981e93a9a7cac5dbda25c3af92d005ea4752461d142cff"`
[INFO] [stdout] bcba5189db40d858e6981e93a9a7cac5dbda25c3af92d005ea4752461d142cff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6d1aa2ea749db9f7dd53bafa4cbc7a5caa853c71d8d4f4f10f841468d7c88e51
[INFO] running `"docker" "start" "-a" "6d1aa2ea749db9f7dd53bafa4cbc7a5caa853c71d8d4f4f10f841468d7c88e51"`
[INFO] [stderr]    Compiling subsrch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `"docker" "inspect" "6d1aa2ea749db9f7dd53bafa4cbc7a5caa853c71d8d4f4f10f841468d7c88e51"`
[INFO] running `"docker" "rm" "-f" "6d1aa2ea749db9f7dd53bafa4cbc7a5caa853c71d8d4f4f10f841468d7c88e51"`
[INFO] [stdout] 6d1aa2ea749db9f7dd53bafa4cbc7a5caa853c71d8d4f4f10f841468d7c88e51
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/shelbyd/subsrch:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e61ec2546adaf4fce44e6b60b36732d930d957328ecad24a5f3f151d288bdc9c
[INFO] running `"docker" "start" "-a" "e61ec2546adaf4fce44e6b60b36732d930d957328ecad24a5f3f151d288bdc9c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/subsrch-07f91bdc2203253b
[INFO] [stdout] running 24 tests
[INFO] [stdout] test maximal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test maximal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test maximal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test maximal::tests::two_elements_failed ... ok
[INFO] [stdout] test maximal::tests::ignores_smaller_passes ... ok
[INFO] [stdout] test maximal::tests::single_element_failed_is_empty_set ... ok
[INFO] [stdout] test maximal::tests::four_elements_rejects_middle_two ... ok
[INFO] [stdout] test minimal::tests::empty_list_should_test_once ... ok
[INFO] [stdout] test maximal::tests::two_elements_only_one ... ok
[INFO] [stdout] test minimal::tests::empty_list_passed_test_final_range_is_empty ... ok
[INFO] [stdout] test minimal::tests::empty_list_failed_test_final_range_is_none ... ok
[INFO] [stdout] test minimal::tests::empty_passed_with_one_element_is_done ... ok
[INFO] [stdout] test minimal::tests::single_element_is_test_all ... ok
[INFO] [stdout] test minimal::tests::four_elements_requires_middle_two ... ok
[INFO] [stdout] test minimal::tests::single_element_failed_test_is_none ... ok
[INFO] [stdout] test minimal::tests::single_element_passed_test_is_test_empty ... ok
[INFO] [stdout] test minimal::tests::ignores_larger_passes ... ok
[INFO] [stdout] test minimal::tests::single_element_required_is_done ... ok
[INFO] [stdout] test minimal::tests::two_elements_first_required ... ok
[INFO] [stdout] test minimal::tests::two_elements_failed ... ok
[INFO] [stdout] test minimal::tests::two_elements_required ... ok
[INFO] [stdout] test maximal::tests::single_element_passed_test_is_done ... ok
[INFO] [stdout] test maximal::tests::two_elements_first_required ... ok
[INFO] [stdout] test maximal::tests::single_element_is_test_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e61ec2546adaf4fce44e6b60b36732d930d957328ecad24a5f3f151d288bdc9c"`
[INFO] running `"docker" "rm" "-f" "e61ec2546adaf4fce44e6b60b36732d930d957328ecad24a5f3f151d288bdc9c"`
[INFO] [stdout] e61ec2546adaf4fce44e6b60b36732d930d957328ecad24a5f3f151d288bdc9c