[INFO] fetching crate syntaxdot 0.2.1...
[INFO] checking syntaxdot-0.2.1 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate syntaxdot 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate syntaxdot 0.2.1 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntaxdot 0.2.1
[INFO] finished tweaking crates.io crate syntaxdot 0.2.1
[INFO] tweaked toml for crates.io crate syntaxdot 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c98e90fe286c048650a6fadf6b4e630811dbebbd54833dd2c689ec573054607
[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" "2c98e90fe286c048650a6fadf6b4e630811dbebbd54833dd2c689ec573054607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c98e90fe286c048650a6fadf6b4e630811dbebbd54833dd2c689ec573054607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c98e90fe286c048650a6fadf6b4e630811dbebbd54833dd2c689ec573054607", kill_on_drop: false }`
[INFO] [stdout] 2c98e90fe286c048650a6fadf6b4e630811dbebbd54833dd2c689ec573054607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--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] 88bc79225d0ef10931fbe977d4dd74112f3724e3f97058bc828a3ea3e360a90d
[INFO] running `Command { std: "docker" "start" "-a" "88bc79225d0ef10931fbe977d4dd74112f3724e3f97058bc828a3ea3e360a90d", kill_on_drop: false }`
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling hdf5 v0.7.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling curl-sys v0.4.41+curl-7.75.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking hdf5-types v0.7.1
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]     Checking crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling sentencepiece-sys v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.4.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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=f8c6ba8a7a4b41cb -C extra-filename=-f8c6ba8a7a4b41cb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-ad99b36d87dad5ef.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-e220204c3e6e1397.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-4fc315958e360e1e.rmeta --cap-lints allow --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" "88bc79225d0ef10931fbe977d4dd74112f3724e3f97058bc828a3ea3e360a90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88bc79225d0ef10931fbe977d4dd74112f3724e3f97058bc828a3ea3e360a90d", kill_on_drop: false }`
[INFO] [stdout] 88bc79225d0ef10931fbe977d4dd74112f3724e3f97058bc828a3ea3e360a90d