[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/beta-1.37-6/sources/1.36.0/gh/davidbegin/messing-with-options"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/davidbegin/messing-with-options'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidbegin/messing-with-options" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/davidbegin/messing-with-options"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 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 davidbegin/messing-with-options 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 davidbegin/messing-with-options
[INFO] finished frobbing davidbegin/messing-with-options
[INFO] frobbed toml for davidbegin/messing-with-options written to work/ex/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/davidbegin/messing-with-options/Cargo.toml
[INFO] crate davidbegin/messing-with-options 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 davidbegin/messing-with-options 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-6/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/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=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] 93c040dd8df074c30fdf3a4a9c61d7ea971a772b652b243066a7b94d6fe17224
[INFO] running `"docker" "start" "-a" "93c040dd8df074c30fdf3a4a9c61d7ea971a772b652b243066a7b94d6fe17224"`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "93c040dd8df074c30fdf3a4a9c61d7ea971a772b652b243066a7b94d6fe17224"`
[INFO] running `"docker" "rm" "-f" "93c040dd8df074c30fdf3a4a9c61d7ea971a772b652b243066a7b94d6fe17224"`
[INFO] [stdout] 93c040dd8df074c30fdf3a4a9c61d7ea971a772b652b243066a7b94d6fe17224
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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=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] bad6a48b5e5e0770fd528cae926e83cc38cc7b8fecc61819f82fbb1680b35fac
[INFO] running `"docker" "start" "-a" "bad6a48b5e5e0770fd528cae926e83cc38cc7b8fecc61819f82fbb1680b35fac"`
[INFO] [stderr]    Compiling messin_with_options v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "bad6a48b5e5e0770fd528cae926e83cc38cc7b8fecc61819f82fbb1680b35fac"`
[INFO] running `"docker" "rm" "-f" "bad6a48b5e5e0770fd528cae926e83cc38cc7b8fecc61819f82fbb1680b35fac"`
[INFO] [stdout] bad6a48b5e5e0770fd528cae926e83cc38cc7b8fecc61819f82fbb1680b35fac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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=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] 8badc4e7a859178d0d816c8db6b80c4ef785e3656791c21268935993f3daea3c
[INFO] running `"docker" "start" "-a" "8badc4e7a859178d0d816c8db6b80c4ef785e3656791c21268935993f3daea3c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/messin_with_options-3b47c4310b5d0870
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[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_the_longest_length ... ok
[INFO] [stdout] test tests::longest_toolbox_tests::length_returns_0_if_the_vector_is_empty ... ok
[INFO] [stdout] test tests::shortest_toolbox_tests::length_returns_the_shortest_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-41ff07f574c9d6dc
[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] [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] running `"docker" "inspect" "8badc4e7a859178d0d816c8db6b80c4ef785e3656791c21268935993f3daea3c"`
[INFO] running `"docker" "rm" "-f" "8badc4e7a859178d0d816c8db6b80c4ef785e3656791c21268935993f3daea3c"`
[INFO] [stdout] 8badc4e7a859178d0d816c8db6b80c4ef785e3656791c21268935993f3daea3c