[INFO] crate efficient_enum 0.3.1 is already in cache
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/efficient_enum/0.3.1
[INFO] extracting crate efficient_enum 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/efficient_enum/0.3.1
[INFO] validating manifest of efficient_enum-0.3.1 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 efficient_enum-0.3.1 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 efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] started frobbing efficient_enum-0.3.1
[INFO] finished frobbing efficient_enum-0.3.1
[INFO] frobbed toml for efficient_enum-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/efficient_enum/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 efficient_enum-0.3.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/efficient_enum/0.3.1:/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] 68b7f95dded668183a94c5b1945cb65ebd4414c4bd3102c5ee3f6cd75f4e2640
[INFO] running `"docker" "start" "-a" "68b7f95dded668183a94c5b1945cb65ebd4414c4bd3102c5ee3f6cd75f4e2640"`
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "68b7f95dded668183a94c5b1945cb65ebd4414c4bd3102c5ee3f6cd75f4e2640"`
[INFO] running `"docker" "rm" "-f" "68b7f95dded668183a94c5b1945cb65ebd4414c4bd3102c5ee3f6cd75f4e2640"`
[INFO] [stdout] 68b7f95dded668183a94c5b1945cb65ebd4414c4bd3102c5ee3f6cd75f4e2640
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/efficient_enum/0.3.1:/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] ae00384359bb34fd83b278d1b3d78dd82084fb91abc1dab420841fc21d5b15b6
[INFO] running `"docker" "start" "-a" "ae00384359bb34fd83b278d1b3d78dd82084fb91abc1dab420841fc21d5b15b6"`
[INFO] [stderr]    Compiling efficient_enum v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "ae00384359bb34fd83b278d1b3d78dd82084fb91abc1dab420841fc21d5b15b6"`
[INFO] running `"docker" "rm" "-f" "ae00384359bb34fd83b278d1b3d78dd82084fb91abc1dab420841fc21d5b15b6"`
[INFO] [stdout] ae00384359bb34fd83b278d1b3d78dd82084fb91abc1dab420841fc21d5b15b6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/efficient_enum/0.3.1:/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] 9bf171dd08f0221b62e91d8c7dede672953e0a427af0a66bf9590bb51b13e010
[INFO] running `"docker" "start" "-a" "9bf171dd08f0221b62e91d8c7dede672953e0a427af0a66bf9590bb51b13e010"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/efficient_enum-133c92c7f9d6ed75
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test option::tests::test_option_mut ... ok
[INFO] [stdout] test option::tests::test_option_new ... ok
[INFO] [stdout] test option::tests::test_option_simple ... ok
[INFO] [stdout] test option::tests::test_option_tuple_new ... ok
[INFO] [stdout] test option::tests::test_option_tuple_as_mut ... ok
[INFO] [stdout] test option::tests::test_option_tuple_mut ... ok
[INFO] [stdout] test option::tests::test_option_tuple_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests efficient_enum
[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" "9bf171dd08f0221b62e91d8c7dede672953e0a427af0a66bf9590bb51b13e010"`
[INFO] running `"docker" "rm" "-f" "9bf171dd08f0221b62e91d8c7dede672953e0a427af0a66bf9590bb51b13e010"`
[INFO] [stdout] 9bf171dd08f0221b62e91d8c7dede672953e0a427af0a66bf9590bb51b13e010