[INFO] updating cached repository scooter-dangle/compatible-enum-serializations
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scooter-dangle/compatible-enum-serializations
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scooter-dangle/compatible-enum-serializations" "work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scooter-dangle/compatible-enum-serializations" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scooter-dangle/compatible-enum-serializations"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scooter-dangle/compatible-enum-serializations'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88f2fef92166267922c1d8177f29eb272f4eb6d6
[INFO] sha for GitHub repo scooter-dangle/compatible-enum-serializations: 88f2fef92166267922c1d8177f29eb272f4eb6d6
[INFO] validating manifest of scooter-dangle/compatible-enum-serializations on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scooter-dangle/compatible-enum-serializations on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scooter-dangle/compatible-enum-serializations
[INFO] finished frobbing scooter-dangle/compatible-enum-serializations
[INFO] frobbed toml for scooter-dangle/compatible-enum-serializations written to work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations/Cargo.toml
[INFO] started frobbing scooter-dangle/compatible-enum-serializations
[INFO] finished frobbing scooter-dangle/compatible-enum-serializations
[INFO] frobbed toml for scooter-dangle/compatible-enum-serializations written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scooter-dangle/compatible-enum-serializations/Cargo.toml
[INFO] crate scooter-dangle/compatible-enum-serializations already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scooter-dangle/compatible-enum-serializations against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 83e4f79109751a395c53826520dfe5f7f5193cd0a4754fae6c63de1bc919ecb7
[INFO] running `"docker" "start" "-a" "83e4f79109751a395c53826520dfe5f7f5193cd0a4754fae6c63de1bc919ecb7"`
[INFO] [stderr]    Compiling serde v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.17
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling compatible-enums v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `"docker" "inspect" "83e4f79109751a395c53826520dfe5f7f5193cd0a4754fae6c63de1bc919ecb7"`
[INFO] running `"docker" "rm" "-f" "83e4f79109751a395c53826520dfe5f7f5193cd0a4754fae6c63de1bc919ecb7"`
[INFO] [stdout] 83e4f79109751a395c53826520dfe5f7f5193cd0a4754fae6c63de1bc919ecb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8daa0a2ed9d80406dbd9fd2ac44c44fdf2f51e7597e241f9d0b1bd387bffad8c
[INFO] running `"docker" "start" "-a" "8daa0a2ed9d80406dbd9fd2ac44c44fdf2f51e7597e241f9d0b1bd387bffad8c"`
[INFO] [stderr]    Compiling compatible-enums v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "8daa0a2ed9d80406dbd9fd2ac44c44fdf2f51e7597e241f9d0b1bd387bffad8c"`
[INFO] running `"docker" "rm" "-f" "8daa0a2ed9d80406dbd9fd2ac44c44fdf2f51e7597e241f9d0b1bd387bffad8c"`
[INFO] [stdout] 8daa0a2ed9d80406dbd9fd2ac44c44fdf2f51e7597e241f9d0b1bd387bffad8c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/scooter-dangle/compatible-enum-serializations:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4f13b03a790e44438148f76a5fe1a72bd55034f16342f253e2121ea146e8a6aa
[INFO] running `"docker" "start" "-a" "4f13b03a790e44438148f76a5fe1a72bd55034f16342f253e2121ea146e8a6aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/compatible_enums-262d845bde131a3d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test direction_a ... ok
[INFO] [stdout] test direction_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests compatible-enums
[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" "4f13b03a790e44438148f76a5fe1a72bd55034f16342f253e2121ea146e8a6aa"`
[INFO] running `"docker" "rm" "-f" "4f13b03a790e44438148f76a5fe1a72bd55034f16342f253e2121ea146e8a6aa"`
[INFO] [stdout] 4f13b03a790e44438148f76a5fe1a72bd55034f16342f253e2121ea146e8a6aa