[INFO] fetching crate ff-find 0.24.8...
[INFO] extracting crate ff-find 0.24.8 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ff-find/0.24.8
[INFO] extracting crate ff-find 0.24.8 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ff-find/0.24.8
[INFO] validating manifest of ff-find-0.24.8 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ff-find-0.24.8 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ff-find-0.24.8
[INFO] finished frobbing ff-find-0.24.8
[INFO] frobbed toml for ff-find-0.24.8 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ff-find/0.24.8/Cargo.toml
[INFO] started frobbing ff-find-0.24.8
[INFO] finished frobbing ff-find-0.24.8
[INFO] frobbed toml for ff-find-0.24.8 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ff-find/0.24.8/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ff-find-0.24.8 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ff-find/0.24.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 96f96bdc207bbd7bdf8db1b5660e8d3e04d430d8ce1733adb23f52b1c325ecf4
[INFO] running `"docker" "start" "-a" "96f96bdc207bbd7bdf8db1b5660e8d3e04d430d8ce1733adb23f52b1c325ecf4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ff-find v0.24.8 (/opt/crater/workdir)
[INFO] [stderr]     Checking ignore v0.4.7
[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,metadata -C debuginfo=2 --test -C metadata=149801fedf856cbc -C extra-filename=-149801fedf856cbc --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern aho_corasick=/opt/crater/target/debug/deps/libaho_corasick-1bef7bf879524e01.rmeta --extern ansi_term=/opt/crater/target/debug/deps/libansi_term-81dd8c3c488f3a9b.rmeta --extern atty=/opt/crater/target/debug/deps/libatty-84f796230a698abb.rmeta --extern clap=/opt/crater/target/debug/deps/libclap-4aebee633c90e170.rmeta --extern diff=/opt/crater/target/debug/deps/libdiff-94450efd64072825.rmeta --extern globset=/opt/crater/target/debug/deps/libglobset-206ba1843695226f.rmeta --extern fnv=/opt/crater/target/debug/deps/libfnv-bc87cbcf46c7f5a6.rmeta --extern glob=/opt/crater/target/debug/deps/libglob-0f7ddfe1b4f108b2.rmeta --extern ignore=/opt/crater/target/debug/deps/libignore-9fd1ae188016e74b.rmeta --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-f421fd7303d43ce3.rmeta --extern log=/opt/crater/target/debug/deps/liblog-861dcd8785f2c967.rmeta --extern memchr=/opt/crater/target/debug/deps/libmemchr-2e013cd9a2d2e443.rmeta --extern nix=/opt/crater/target/debug/deps/libnix-caddc93ff56cd16f.rmeta --extern num_cpus=/opt/crater/target/debug/deps/libnum_cpus-ed776c80fcd83d46.rmeta --extern regex=/opt/crater/target/debug/deps/libregex-6759ce36ea7b7c5d.rmeta --extern same_file=/opt/crater/target/debug/deps/libsame_file-a932da95dff7eea2.rmeta --extern signal_hook=/opt/crater/target/debug/deps/libsignal_hook-c6e5e3eaa28f0397.rmeta --extern tempdir=/opt/crater/target/debug/deps/libtempdir-5e19fce8ec6fec23.rmeta --extern tempfile=/opt/crater/target/debug/deps/libtempfile-47c6cae1cb358dc7.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "96f96bdc207bbd7bdf8db1b5660e8d3e04d430d8ce1733adb23f52b1c325ecf4"`
[INFO] running `"docker" "rm" "-f" "96f96bdc207bbd7bdf8db1b5660e8d3e04d430d8ce1733adb23f52b1c325ecf4"`
[INFO] [stdout] 96f96bdc207bbd7bdf8db1b5660e8d3e04d430d8ce1733adb23f52b1c325ecf4