[INFO] fetching crate hashlib 0.1.0...
[INFO] extracting crate hashlib 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/hashlib/0.1.0
[INFO] extracting crate hashlib 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/hashlib/0.1.0
[INFO] validating manifest of hashlib-0.1.0 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 hashlib-0.1.0 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 hashlib-0.1.0
[INFO] finished frobbing hashlib-0.1.0
[INFO] frobbed toml for hashlib-0.1.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/hashlib/0.1.0/Cargo.toml
[INFO] started frobbing hashlib-0.1.0
[INFO] finished frobbing hashlib-0.1.0
[INFO] frobbed toml for hashlib-0.1.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/hashlib/0.1.0/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numext-fixed-hash v0.1.4
[INFO] [stderr]   Downloaded hashlib-prelude v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hashlib-0.1.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/hashlib/0.1.0:/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] 00d16d9c1b7cfac2795befd6e92289447fdd043829740bec6fcb336b7cfff765
[INFO] running `"docker" "start" "-a" "00d16d9c1b7cfac2795befd6e92289447fdd043829740bec6fcb336b7cfff765"`
[INFO] [stderr]     Checking hashlib-prelude v0.1.0
[INFO] [stderr]     Checking blake2b_simd v0.4.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]     Checking 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=017218df288365a6 -C extra-filename=-017218df288365a6 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-6554c61b7c34f90c.rlib --extern numext_constructor=/opt/crater/target/debug/deps/libnumext_constructor-75689b52154bb058.so --extern numext_fixed_uint=/opt/crater/target/debug/deps/libnumext_fixed_uint-9d8f24b3a147967a.rlib --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-695f109ce5d5bdae/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 -C debuginfo=2 --cfg 'feature="default"' -C metadata=40a9b118917937ac -C extra-filename=-40a9b118917937ac --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-9ee6c48d44d4432b.rmeta --extern numext_constructor=/opt/crater/target/debug/deps/libnumext_constructor-75689b52154bb058.so --extern numext_fixed_uint=/opt/crater/target/debug/deps/libnumext_fixed_uint-af8f4989093c10d4.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-695f109ce5d5bdae/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "00d16d9c1b7cfac2795befd6e92289447fdd043829740bec6fcb336b7cfff765"`
[INFO] running `"docker" "rm" "-f" "00d16d9c1b7cfac2795befd6e92289447fdd043829740bec6fcb336b7cfff765"`
[INFO] [stdout] 00d16d9c1b7cfac2795befd6e92289447fdd043829740bec6fcb336b7cfff765