[INFO] crate frontmatter 0.3.0 is already in cache
[INFO] extracting crate frontmatter 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/frontmatter/0.3.0
[INFO] extracting crate frontmatter 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frontmatter/0.3.0
[INFO] validating manifest of frontmatter-0.3.0 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 frontmatter-0.3.0 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 frontmatter-0.3.0
[INFO] finished frobbing frontmatter-0.3.0
[INFO] frobbed toml for frontmatter-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/frontmatter/0.3.0/Cargo.toml
[INFO] started frobbing frontmatter-0.3.0
[INFO] finished frobbing frontmatter-0.3.0
[INFO] frobbed toml for frontmatter-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frontmatter/0.3.0/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 frontmatter-0.3.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frontmatter/0.3.0:/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] 23a41599bfb048253ecc549fb2b942c57de245200a0b5eea7f83c5bb6b6434ee
[INFO] running `"docker" "start" "-a" "23a41599bfb048253ecc549fb2b942c57de245200a0b5eea7f83c5bb6b6434ee"`
[INFO] [stderr]    Compiling frontmatter v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "23a41599bfb048253ecc549fb2b942c57de245200a0b5eea7f83c5bb6b6434ee"`
[INFO] running `"docker" "rm" "-f" "23a41599bfb048253ecc549fb2b942c57de245200a0b5eea7f83c5bb6b6434ee"`
[INFO] [stdout] 23a41599bfb048253ecc549fb2b942c57de245200a0b5eea7f83c5bb6b6434ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frontmatter/0.3.0:/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] e1bfd03abff70e1921558e06188968ccd12d829abf1f486c5bff67efc6e0400b
[INFO] running `"docker" "start" "-a" "e1bfd03abff70e1921558e06188968ccd12d829abf1f486c5bff67efc6e0400b"`
[INFO] [stderr]    Compiling frontmatter v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "e1bfd03abff70e1921558e06188968ccd12d829abf1f486c5bff67efc6e0400b"`
[INFO] running `"docker" "rm" "-f" "e1bfd03abff70e1921558e06188968ccd12d829abf1f486c5bff67efc6e0400b"`
[INFO] [stdout] e1bfd03abff70e1921558e06188968ccd12d829abf1f486c5bff67efc6e0400b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frontmatter/0.3.0:/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] 650eb19871ba888746aab4660a9a45302b1ea2d783f03c2be39ef039af39e0c6
[INFO] running `"docker" "start" "-a" "650eb19871ba888746aab4660a9a45302b1ea2d783f03c2be39ef039af39e0c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frontmatter-f745eaf2f4a8fcb6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_tests ... ok
[INFO] [stdout] test test_none_find_content ... ok
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_valid ... ok
[INFO] [stdout] test test_none ... ok
[INFO] [stdout] test test_empty_find_content ... ok
[INFO] [stdout] test test_valid_find_content ... 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 frontmatter
[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" "650eb19871ba888746aab4660a9a45302b1ea2d783f03c2be39ef039af39e0c6"`
[INFO] running `"docker" "rm" "-f" "650eb19871ba888746aab4660a9a45302b1ea2d783f03c2be39ef039af39e0c6"`
[INFO] [stdout] 650eb19871ba888746aab4660a9a45302b1ea2d783f03c2be39ef039af39e0c6