[INFO] crate bitpacking 0.8.0 is already in cache
[INFO] extracting crate bitpacking 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/bitpacking/0.8.0
[INFO] extracting crate bitpacking 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitpacking/0.8.0
[INFO] validating manifest of bitpacking-0.8.0 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 bitpacking-0.8.0 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 bitpacking-0.8.0
[INFO] finished frobbing bitpacking-0.8.0
[INFO] frobbed toml for bitpacking-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bitpacking/0.8.0/Cargo.toml
[INFO] started frobbing bitpacking-0.8.0
[INFO] finished frobbing bitpacking-0.8.0
[INFO] frobbed toml for bitpacking-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitpacking/0.8.0/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 bitpacking-0.8.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bitpacking/0.8.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d095becd2175498d538c0bf0d35a2597a89f99d8a41f9ae1b336233cde1a4311
[INFO] running `"docker" "start" "-a" "d095becd2175498d538c0bf0d35a2597a89f99d8a41f9ae1b336233cde1a4311"`
[INFO] [stderr]    Compiling bitpacking v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `bitpacking`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="bitpacker1x"' --cfg 'feature="bitpacker4x"' --cfg 'feature="bitpacker8x"' --cfg 'feature="default"' -C metadata=885af4fe3d44d5ad -C extra-filename=-885af4fe3d44d5ad --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crunchy=/opt/crater/target/debug/deps/libcrunchy-dfa60f0dac204c57.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "d095becd2175498d538c0bf0d35a2597a89f99d8a41f9ae1b336233cde1a4311"`
[INFO] running `"docker" "rm" "-f" "d095becd2175498d538c0bf0d35a2597a89f99d8a41f9ae1b336233cde1a4311"`
[INFO] [stdout] d095becd2175498d538c0bf0d35a2597a89f99d8a41f9ae1b336233cde1a4311