[INFO] crate mime_guess 1.8.7 is already in cache
[INFO] extracting crate mime_guess 1.8.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/mime_guess/1.8.7
[INFO] extracting crate mime_guess 1.8.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mime_guess/1.8.7
[INFO] validating manifest of mime_guess-1.8.7 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 mime_guess-1.8.7 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 mime_guess-1.8.7
[INFO] finished frobbing mime_guess-1.8.7
[INFO] frobbed toml for mime_guess-1.8.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mime_guess/1.8.7/Cargo.toml
[INFO] started frobbing mime_guess-1.8.7
[INFO] finished frobbing mime_guess-1.8.7
[INFO] frobbed toml for mime_guess-1.8.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mime_guess/1.8.7/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 mime_guess-1.8.7 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/mime_guess/1.8.7:/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] 663bb4a1b191bbb189a4125e364165232ba482713453e8e852b555226b0bcb43
[INFO] running `"docker" "start" "-a" "663bb4a1b191bbb189a4125e364165232ba482713453e8e852b555226b0bcb43"`
[INFO] [stderr]    Compiling mime_guess v1.8.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "663bb4a1b191bbb189a4125e364165232ba482713453e8e852b555226b0bcb43"`
[INFO] running `"docker" "rm" "-f" "663bb4a1b191bbb189a4125e364165232ba482713453e8e852b555226b0bcb43"`
[INFO] [stdout] 663bb4a1b191bbb189a4125e364165232ba482713453e8e852b555226b0bcb43
[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/mime_guess/1.8.7:/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] ba43196b9c2d4957236e00373ed38d48c44628ce098878ef43dd8d1aeef5902d
[INFO] running `"docker" "start" "-a" "ba43196b9c2d4957236e00373ed38d48c44628ce098878ef43dd8d1aeef5902d"`
[INFO] [stderr]    Compiling mime_guess v1.8.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "ba43196b9c2d4957236e00373ed38d48c44628ce098878ef43dd8d1aeef5902d"`
[INFO] running `"docker" "rm" "-f" "ba43196b9c2d4957236e00373ed38d48c44628ce098878ef43dd8d1aeef5902d"`
[INFO] [stdout] ba43196b9c2d4957236e00373ed38d48c44628ce098878ef43dd8d1aeef5902d
[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/mime_guess/1.8.7:/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] e91336574ed30fb58e80059349148bf8d68662e0657d9d7dcc74a8ec7b47d282
[INFO] running `"docker" "start" "-a" "e91336574ed30fb58e80059349148bf8d68662e0657d9d7dcc74a8ec7b47d282"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mime_guess-4fa7ae271eea4197
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_mime_type_guessing_opt ... ok
[INFO] [stdout] test tests::test_mime_type_guessing ... ok
[INFO] [stdout] test tests::test_are_extensions_sorted ... ok
[INFO] [stdout] test tests::test_are_extensions_ascii ... ok
[INFO] [stdout] test tests::test_are_mime_types_parseable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mime_guess
[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" "e91336574ed30fb58e80059349148bf8d68662e0657d9d7dcc74a8ec7b47d282"`
[INFO] running `"docker" "rm" "-f" "e91336574ed30fb58e80059349148bf8d68662e0657d9d7dcc74a8ec7b47d282"`
[INFO] [stdout] e91336574ed30fb58e80059349148bf8d68662e0657d9d7dcc74a8ec7b47d282