[INFO] fetching crate regex 1.5.4...
[INFO] testing regex-1.5.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate regex 1.5.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate regex 1.5.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regex 1.5.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate regex 1.5.4
[INFO] tweaked toml for crates.io crate regex 1.5.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate regex 1.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] f01cf3e2fb6c9034453b692b1c449d3631311716fb0b6aec8581e4d20bcb04c3
[INFO] running `Command { std: "docker" "start" "-a" "f01cf3e2fb6c9034453b692b1c449d3631311716fb0b6aec8581e4d20bcb04c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01cf3e2fb6c9034453b692b1c449d3631311716fb0b6aec8581e4d20bcb04c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01cf3e2fb6c9034453b692b1c449d3631311716fb0b6aec8581e4d20bcb04c3", kill_on_drop: false }`
[INFO] [stdout] f01cf3e2fb6c9034453b692b1c449d3631311716fb0b6aec8581e4d20bcb04c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b18c0edddcd9c920b31b2d8d43111164fc0c0a98ace5c6427f08ed8fc91025
[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" "c9b18c0edddcd9c920b31b2d8d43111164fc0c0a98ace5c6427f08ed8fc91025", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "c9b18c0edddcd9c920b31b2d8d43111164fc0c0a98ace5c6427f08ed8fc91025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b18c0edddcd9c920b31b2d8d43111164fc0c0a98ace5c6427f08ed8fc91025", kill_on_drop: false }`
[INFO] [stdout] c9b18c0edddcd9c920b31b2d8d43111164fc0c0a98ace5c6427f08ed8fc91025
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--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] 565d5c0ef9c6b4a21c6415bcb3bd82e6e3b0043f53f18744fb21ba00b69c7964
[INFO] running `Command { std: "docker" "start" "-a" "565d5c0ef9c6b4a21c6415bcb3bd82e6e3b0043f53f18744fb21ba00b69c7964", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling regex v1.5.4 (/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 default --edition=2018 tests/test_default.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="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=d566ded352eb33d9 -C extra-filename=-d566ded352eb33d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-95e05f880ff50868.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-ed39d34d53eebdc4.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-61699a68650d2822.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-4f58e0c476e8167c.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-a05b1e9ea92d4fc5.rlib --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-7f67f9c47fcbf828.rlib --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 `Command { std: "docker" "inspect" "565d5c0ef9c6b4a21c6415bcb3bd82e6e3b0043f53f18744fb21ba00b69c7964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565d5c0ef9c6b4a21c6415bcb3bd82e6e3b0043f53f18744fb21ba00b69c7964", kill_on_drop: false }`
[INFO] [stdout] 565d5c0ef9c6b4a21c6415bcb3bd82e6e3b0043f53f18744fb21ba00b69c7964