[INFO] crate numext-fixed-hash 0.1.4 is already in cache
[INFO] extracting crate numext-fixed-hash 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/numext-fixed-hash/0.1.4
[INFO] extracting crate numext-fixed-hash 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numext-fixed-hash/0.1.4
[INFO] validating manifest of numext-fixed-hash-0.1.4 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 numext-fixed-hash-0.1.4 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 numext-fixed-hash-0.1.4
[INFO] finished frobbing numext-fixed-hash-0.1.4
[INFO] frobbed toml for numext-fixed-hash-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/numext-fixed-hash/0.1.4/Cargo.toml
[INFO] started frobbing numext-fixed-hash-0.1.4
[INFO] finished frobbing numext-fixed-hash-0.1.4
[INFO] frobbed toml for numext-fixed-hash-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/numext-fixed-hash/0.1.4/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 numext-fixed-hash-0.1.4 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/numext-fixed-hash/0.1.4:/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] ec52c9eaf5aef3ac8126cdee058fe1954abe93f1e5d223dc33427f205fe0fbae
[INFO] running `"docker" "start" "-a" "ec52c9eaf5aef3ac8126cdee058fe1954abe93f1e5d223dc33427f205fe0fbae"`
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling numext-fixed-hash-core v0.1.4
[INFO] [stderr] error: Could not compile `numext-fixed-hash-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name numext_fixed_hash_core /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-hash-core-0.1.4/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' -C metadata=276a9a1a6b32da1c -C extra-filename=-276a9a1a6b32da1c --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-146990d4b7ed9dd9.rlib --extern numext_constructor=/opt/crater/target/debug/deps/libnumext_constructor-874365ceb00d5ac8.so --extern numext_fixed_uint=/opt/crater/target/debug/deps/libnumext_fixed_uint-1de3dd35314e9e97.rlib --cap-lints allow --cap-lints=warn -L native=/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "ec52c9eaf5aef3ac8126cdee058fe1954abe93f1e5d223dc33427f205fe0fbae"`
[INFO] running `"docker" "rm" "-f" "ec52c9eaf5aef3ac8126cdee058fe1954abe93f1e5d223dc33427f205fe0fbae"`
[INFO] [stdout] ec52c9eaf5aef3ac8126cdee058fe1954abe93f1e5d223dc33427f205fe0fbae