[INFO] updating cached repository davidbegin/messing-with-options
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidbegin/messing-with-options
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidbegin/messing-with-options" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/davidbegin/messing-with-options"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/davidbegin/messing-with-options'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidbegin/messing-with-options" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65e12c190816a8c19eb50e5b7a8a4fad71203260
[INFO] sha for GitHub repo davidbegin/messing-with-options: 65e12c190816a8c19eb50e5b7a8a4fad71203260
[INFO] validating manifest of davidbegin/messing-with-options 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 davidbegin/messing-with-options 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 davidbegin/messing-with-options
[INFO] finished frobbing davidbegin/messing-with-options
[INFO] frobbed toml for davidbegin/messing-with-options written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/davidbegin/messing-with-options/Cargo.toml
[INFO] started frobbing davidbegin/messing-with-options
[INFO] finished frobbing davidbegin/messing-with-options
[INFO] frobbed toml for davidbegin/messing-with-options written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options/Cargo.toml
[INFO] crate davidbegin/messing-with-options 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 davidbegin/messing-with-options against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 627424ea6f05117b5c17384be378fbea0e32d1e1c9b413172111030dff79559d
[INFO] running `"docker" "start" "-a" "627424ea6f05117b5c17384be378fbea0e32d1e1c9b413172111030dff79559d"`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "627424ea6f05117b5c17384be378fbea0e32d1e1c9b413172111030dff79559d"`
[INFO] running `"docker" "rm" "-f" "627424ea6f05117b5c17384be378fbea0e32d1e1c9b413172111030dff79559d"`
[INFO] [stdout] 627424ea6f05117b5c17384be378fbea0e32d1e1c9b413172111030dff79559d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 82f5402350a2653bb22c9fb236e42e57d180019e4721a2275778655d54c78b83
[INFO] running `"docker" "start" "-a" "82f5402350a2653bb22c9fb236e42e57d180019e4721a2275778655d54c78b83"`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "82f5402350a2653bb22c9fb236e42e57d180019e4721a2275778655d54c78b83"`
[INFO] running `"docker" "rm" "-f" "82f5402350a2653bb22c9fb236e42e57d180019e4721a2275778655d54c78b83"`
[INFO] [stdout] 82f5402350a2653bb22c9fb236e42e57d180019e4721a2275778655d54c78b83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/davidbegin/messing-with-options:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 50f5316c49a97e02ee77e9eae02ea2aee2c80e36775bbbd45789ece7e1ba97d9
[INFO] running `"docker" "start" "-a" "50f5316c49a97e02ee77e9eae02ea2aee2c80e36775bbbd45789ece7e1ba97d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/messin_with_options-a91f44be9ec3d430
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::shortest_toolbox_tests::length_returns_the_shortest_length ... ok
[INFO] [stdout] test tests::shortest_toolbox_tests::length_returns_0_if_the_vector_is_empty ... ok
[INFO] [stdout] test tests::longest_toolbox_tests::length_returns_0_if_the_vector_is_empty ... ok
[INFO] [stdout] test tests::longest_toolbox_tests::length_returns_the_longest_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/messin_with_options-138774e34757e833
[INFO] [stderr]    Doc-tests messin_with_options
[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] [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" "50f5316c49a97e02ee77e9eae02ea2aee2c80e36775bbbd45789ece7e1ba97d9"`
[INFO] running `"docker" "rm" "-f" "50f5316c49a97e02ee77e9eae02ea2aee2c80e36775bbbd45789ece7e1ba97d9"`
[INFO] [stdout] 50f5316c49a97e02ee77e9eae02ea2aee2c80e36775bbbd45789ece7e1ba97d9