[INFO] crate file_scanner 0.2.0 is already in cache
[INFO] extracting crate file_scanner 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/file_scanner/0.2.0
[INFO] extracting crate file_scanner 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_scanner/0.2.0
[INFO] validating manifest of file_scanner-0.2.0 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 file_scanner-0.2.0 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 file_scanner-0.2.0
[INFO] finished frobbing file_scanner-0.2.0
[INFO] frobbed toml for file_scanner-0.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/file_scanner/0.2.0/Cargo.toml
[INFO] started frobbing file_scanner-0.2.0
[INFO] finished frobbing file_scanner-0.2.0
[INFO] frobbed toml for file_scanner-0.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/file_scanner/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 file_scanner-0.2.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/file_scanner/0.2.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 62595ac8adff5fe5449536c27463535f7cc410a5472d9c14bf43a4f097849ef2
[INFO] running `"docker" "start" "-a" "62595ac8adff5fe5449536c27463535f7cc410a5472d9c14bf43a4f097849ef2"`
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "62595ac8adff5fe5449536c27463535f7cc410a5472d9c14bf43a4f097849ef2"`
[INFO] running `"docker" "rm" "-f" "62595ac8adff5fe5449536c27463535f7cc410a5472d9c14bf43a4f097849ef2"`
[INFO] [stdout] 62595ac8adff5fe5449536c27463535f7cc410a5472d9c14bf43a4f097849ef2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/file_scanner/0.2.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9cb894f049d5fb673af4018ba4a0f7a10ed58aa6560c8346ee16d039f81d801
[INFO] running `"docker" "start" "-a" "b9cb894f049d5fb673af4018ba4a0f7a10ed58aa6560c8346ee16d039f81d801"`
[INFO] [stderr]    Compiling file_scanner v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `"docker" "inspect" "b9cb894f049d5fb673af4018ba4a0f7a10ed58aa6560c8346ee16d039f81d801"`
[INFO] running `"docker" "rm" "-f" "b9cb894f049d5fb673af4018ba4a0f7a10ed58aa6560c8346ee16d039f81d801"`
[INFO] [stdout] b9cb894f049d5fb673af4018ba4a0f7a10ed58aa6560c8346ee16d039f81d801
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/file_scanner/0.2.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5bf3623f23b2b6c5dc55f8cae11a7608e7da206352b90500fd768ae43a62882e
[INFO] running `"docker" "start" "-a" "5bf3623f23b2b6c5dc55f8cae11a7608e7da206352b90500fd768ae43a62882e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/file_scanner-231752c6c31e43ff
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::next_i32_none_on_negative_overflow ... ok
[INFO] [stdout] test tests::next_int_custom_radix ... ok
[INFO] [stdout] test tests::next_handles_line_wrap ... ok
[INFO] [stdout] test tests::next_float_base_2 ... ok
[INFO] [stdout] test tests::next_float ... ok
[INFO] [stdout] test tests::buffer_ends_before_delim ... ok
[INFO] [stdout] test tests::buffer_ends_within_end_delim ... ok
[INFO] [stdout] test tests::next_breaks_at_delim ... ok
[INFO] [stdout] test tests::next_int_handles_commas ... ok
[INFO] [stdout] test tests::next_works_after_next_line ... ok
[INFO] [stdout] test tests::next_skips_leading_delims ... ok
[INFO] [stdout] test tests::next_line_reads_whole_line ... ok
[INFO] [stdout] test tests::next_int_none_on_positive_overflow ... ok
[INFO] [stdout] test tests::next_line_reads_last_line ... ok
[INFO] [stdout] test tests::next_preserves_trailing_delim ... ok
[INFO] [stdout] test tests::arbitrary_delim ... ok
[INFO] [stdout] test tests::radix_between_2_36 ... ok
[INFO] [stdout] test tests::str_delim_escapes_regexes ... ok
[INFO] [stdout] test tests::next_works_once_when_good_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests file_scanner
[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" "5bf3623f23b2b6c5dc55f8cae11a7608e7da206352b90500fd768ae43a62882e"`
[INFO] running `"docker" "rm" "-f" "5bf3623f23b2b6c5dc55f8cae11a7608e7da206352b90500fd768ae43a62882e"`
[INFO] [stdout] 5bf3623f23b2b6c5dc55f8cae11a7608e7da206352b90500fd768ae43a62882e