[INFO] fetching crate ff-find 0.24.9...
[INFO] extracting crate ff-find 0.24.9 into work/ex/beta-1.37-6/sources/1.36.0/reg/ff-find/0.24.9
[INFO] extracting crate ff-find 0.24.9 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ff-find/0.24.9
[INFO] validating manifest of ff-find-0.24.9 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 ff-find-0.24.9 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 ff-find-0.24.9
[INFO] finished frobbing ff-find-0.24.9
[INFO] frobbed toml for ff-find-0.24.9 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ff-find/0.24.9/Cargo.toml
[INFO] started frobbing ff-find-0.24.9
[INFO] finished frobbing ff-find-0.24.9
[INFO] frobbed toml for ff-find-0.24.9 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ff-find/0.24.9/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 ff-find-0.24.9 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ff-find/0.24.9:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9fdf8c922d7f3a44478ed83fe6defa7b2aead545528ba5793ecccdcfd46939b0
[INFO] running `"docker" "start" "-a" "9fdf8c922d7f3a44478ed83fe6defa7b2aead545528ba5793ecccdcfd46939b0"`
[INFO] [stderr]    Compiling ff-find v0.24.9 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `"docker" "inspect" "9fdf8c922d7f3a44478ed83fe6defa7b2aead545528ba5793ecccdcfd46939b0"`
[INFO] running `"docker" "rm" "-f" "9fdf8c922d7f3a44478ed83fe6defa7b2aead545528ba5793ecccdcfd46939b0"`
[INFO] [stdout] 9fdf8c922d7f3a44478ed83fe6defa7b2aead545528ba5793ecccdcfd46939b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ff-find/0.24.9:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c99db07e397a44e89775f5f24a3ea3bc65ec51124ad72d190ae0c5486a8d4c9
[INFO] running `"docker" "start" "-a" "8c99db07e397a44e89775f5f24a3ea3bc65ec51124ad72d190ae0c5486a8d4c9"`
[INFO] [stderr]    Compiling ff-find v0.24.9 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `ff-find`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ff src/main.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=57a5275a239c8fc4 -C extra-filename=-57a5275a239c8fc4 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern aho_corasick=/opt/crater/target/debug/deps/libaho_corasick-fe9ec51007f48e38.rlib --extern ansi_term=/opt/crater/target/debug/deps/libansi_term-a8ee7a34610f25b5.rlib --extern atty=/opt/crater/target/debug/deps/libatty-03bfb70b48d44ab1.rlib --extern clap=/opt/crater/target/debug/deps/libclap-ea77014fab70104b.rlib --extern diff=/opt/crater/target/debug/deps/libdiff-c93e02ad732bbda2.rlib --extern globset=/opt/crater/target/debug/deps/libglobset-1fffc4f213ffde6e.rlib --extern fnv=/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib --extern glob=/opt/crater/target/debug/deps/libglob-7aa78e82a85b4c29.rlib --extern ignore=/opt/crater/target/debug/deps/libignore-7425e60cbf124da4.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib --extern log=/opt/crater/target/debug/deps/liblog-edfa4b3364666663.rlib --extern memchr=/opt/crater/target/debug/deps/libmemchr-e9dad3b9b8c90a38.rlib --extern nix=/opt/crater/target/debug/deps/libnix-5b38359330145716.rlib --extern num_cpus=/opt/crater/target/debug/deps/libnum_cpus-2c854131c0da7b53.rlib --extern regex=/opt/crater/target/debug/deps/libregex-6683e124b2894695.rlib --extern same_file=/opt/crater/target/debug/deps/libsame_file-04145e91e44c421e.rlib --extern signal_hook=/opt/crater/target/debug/deps/libsignal_hook-903ce1dfc220efcc.rlib --extern tempdir=/opt/crater/target/debug/deps/libtempdir-c9f6008f2934db4a.rlib --extern tempfile=/opt/crater/target/debug/deps/libtempfile-e781ec017eb3d2e3.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "8c99db07e397a44e89775f5f24a3ea3bc65ec51124ad72d190ae0c5486a8d4c9"`
[INFO] running `"docker" "rm" "-f" "8c99db07e397a44e89775f5f24a3ea3bc65ec51124ad72d190ae0c5486a8d4c9"`
[INFO] [stdout] 8c99db07e397a44e89775f5f24a3ea3bc65ec51124ad72d190ae0c5486a8d4c9