[INFO] crate regex 1.2.0 is already in cache
[INFO] extracting crate regex 1.2.0 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/regex/1.2.0
[INFO] extracting crate regex 1.2.0 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/regex/1.2.0
[INFO] validating manifest of regex-1.2.0 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of regex-1.2.0 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing regex-1.2.0
[INFO] removed 0 missing tests
[INFO] finished frobbing regex-1.2.0
[INFO] frobbed toml for regex-1.2.0 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/regex/1.2.0/Cargo.toml
[INFO] started frobbing regex-1.2.0
[INFO] removed 0 missing tests
[INFO] finished frobbing regex-1.2.0
[INFO] frobbed toml for regex-1.2.0 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/regex/1.2.0/Cargo.toml
[INFO] crate regex-1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking regex-1.2.0 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/regex/1.2.0:/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=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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dfe4dae168849e78fb077f833e6ca887400c099d262ea06d7f0e08fc09264f69
[INFO] running `"docker" "start" "-a" "dfe4dae168849e78fb077f833e6ca887400c099d262ea06d7f0e08fc09264f69"`
[INFO] [stderr]     Checking ucd-util v0.1.4
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.9
[INFO] [stderr]     Checking regex v1.2.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name backtrack tests/test_backtrack.rs --color never --emit=dep-info,metadata -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="use_std"' -C metadata=c74112a588da647b -C extra-filename=-c74112a588da647b --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern aho_corasick=/opt/crater/target/debug/deps/libaho_corasick-a67914f87634bd52.rmeta --extern doc_comment=/opt/crater/target/debug/deps/libdoc_comment-76ba0b9ac6dabe7a.rmeta --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-f528386b9e2bf581.rmeta --extern memchr=/opt/crater/target/debug/deps/libmemchr-f5b9d7866450317d.rmeta --extern quickcheck=/opt/crater/target/debug/deps/libquickcheck-aed52259628d280d.rmeta --extern rand=/opt/crater/target/debug/deps/librand-7a366f05f3b5e873.rmeta --extern regex=/opt/crater/target/debug/deps/libregex-92ffc5a9690ad921.rmeta --extern regex_syntax=/opt/crater/target/debug/deps/libregex_syntax-699b8d7bb46bb118.rmeta --extern thread_local=/opt/crater/target/debug/deps/libthread_local-cf55440ff59baf82.rmeta --extern utf8_ranges=/opt/crater/target/debug/deps/libutf8_ranges-013bae0f39800dc2.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "dfe4dae168849e78fb077f833e6ca887400c099d262ea06d7f0e08fc09264f69"`
[INFO] running `"docker" "rm" "-f" "dfe4dae168849e78fb077f833e6ca887400c099d262ea06d7f0e08fc09264f69"`
[INFO] [stdout] dfe4dae168849e78fb077f833e6ca887400c099d262ea06d7f0e08fc09264f69