[INFO] cloning repository https://github.com/sha-el/Vouch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sha-el/Vouch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsha-el%2FVouch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsha-el%2FVouch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52be3988c1a189809b1782c76dc8f1cd38361366
[INFO] documenting sha-el/Vouch against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsha-el%2FVouch" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sha-el/Vouch on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sha-el/Vouch
[INFO] finished tweaking git repo https://github.com/sha-el/Vouch
[INFO] tweaked toml for git repo https://github.com/sha-el/Vouch written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/sha-el/beatrix`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d787dd677b13a80214a8eec61ae7c77b36a90d4fa9b08a95643c5001dc80b3c
[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" "6d787dd677b13a80214a8eec61ae7c77b36a90d4fa9b08a95643c5001dc80b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d787dd677b13a80214a8eec61ae7c77b36a90d4fa9b08a95643c5001dc80b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d787dd677b13a80214a8eec61ae7c77b36a90d4fa9b08a95643c5001dc80b3c", kill_on_drop: false }`
[INFO] [stdout] 6d787dd677b13a80214a8eec61ae7c77b36a90d4fa9b08a95643c5001dc80b3c
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dcbdb048fc6539f50e39268e34db49a93c626c6a95dba69eea8f461cc4f6c2f
[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" "5dcbdb048fc6539f50e39268e34db49a93c626c6a95dba69eea8f461cc4f6c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]     Checking version_check v0.9.3
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling multer v2.0.1
[INFO] [stderr]     Checking buf-min v0.4.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking os_info v3.0.6
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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=c0311ef87925025d -C extra-filename=-c0311ef87925025d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f751c074981e5308.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-0721f17babcb5610.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-b672c9191f2c7225.rmeta --cap-lints allow` (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" "5dcbdb048fc6539f50e39268e34db49a93c626c6a95dba69eea8f461cc4f6c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcbdb048fc6539f50e39268e34db49a93c626c6a95dba69eea8f461cc4f6c2f", kill_on_drop: false }`
[INFO] [stdout] 5dcbdb048fc6539f50e39268e34db49a93c626c6a95dba69eea8f461cc4f6c2f
