[INFO] fetching crate regex 1.4.1...
[INFO] testing regex-1.4.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate regex 1.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate regex 1.4.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex 1.4.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate regex 1.4.1
[INFO] tweaked toml for crates.io crate regex 1.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate regex 1.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 258eaf28d546c2ed6a0195e15a61eae684d8b0786a4f68929b114be417e9e9dc
[INFO] running `Command { std: "docker" "start" "-a" "258eaf28d546c2ed6a0195e15a61eae684d8b0786a4f68929b114be417e9e9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258eaf28d546c2ed6a0195e15a61eae684d8b0786a4f68929b114be417e9e9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258eaf28d546c2ed6a0195e15a61eae684d8b0786a4f68929b114be417e9e9dc", kill_on_drop: false }`
[INFO] [stdout] 258eaf28d546c2ed6a0195e15a61eae684d8b0786a4f68929b114be417e9e9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 510d3c91ec430a6518030e88f4225d06609cd493d41d2c8ecf95f4072b5189ee
[INFO] running `Command { std: "docker" "start" "-a" "510d3c91ec430a6518030e88f4225d06609cd493d41d2c8ecf95f4072b5189ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.09s
[INFO] running `Command { std: "docker" "inspect" "510d3c91ec430a6518030e88f4225d06609cd493d41d2c8ecf95f4072b5189ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510d3c91ec430a6518030e88f4225d06609cd493d41d2c8ecf95f4072b5189ee", kill_on_drop: false }`
[INFO] [stdout] 510d3c91ec430a6518030e88f4225d06609cd493d41d2c8ecf95f4072b5189ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8824842eee3da57fd2b7ddddafca6042da043237b40e79050831f69c4c6d0cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8824842eee3da57fd2b7ddddafca6042da043237b40e79050831f69c4c6d0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling regex v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `regex`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name crates_regex tests/test_crates_regex.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4a8b0ab364f0c194 -C extra-filename=-4a8b0ab364f0c194 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f36d4b318313f300.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bf21cfb31a9e28ca.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-cc4eb6ee793cedf6.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-0b0f6a698f0c40e8.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-8a3a3f6d2cbccdbd.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-26972611a83bf45f.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-16c7157e79d20741.rlib --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-b2a88e4d32219c25.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f8824842eee3da57fd2b7ddddafca6042da043237b40e79050831f69c4c6d0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8824842eee3da57fd2b7ddddafca6042da043237b40e79050831f69c4c6d0cf", kill_on_drop: false }`
[INFO] [stdout] f8824842eee3da57fd2b7ddddafca6042da043237b40e79050831f69c4c6d0cf
