[INFO] cloning repository https://github.com/fer22f/jughisto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fer22f/jughisto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffer22f%2Fjughisto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffer22f%2Fjughisto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7944796f13e824c0dee9c8fc4f0cc79fd9308ac5
[INFO] documenting fer22f/jughisto 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%2Ffer22f%2Fjughisto" "/workspace/builds/worker-54/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-54/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fer22f/jughisto 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/fer22f/jughisto
[INFO] finished tweaking git repo https://github.com/fer22f/jughisto
[INFO] tweaked toml for git repo https://github.com/fer22f/jughisto written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate git repo https://github.com/fer22f/jughisto already has a lockfile, it will not be regenerated
[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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 4fa6138568a1f0bda56dc3edacf06cf0efde4c68a5aa1f3927ee7cbbd33747bb
[INFO] running `Command { std: "docker" "start" "-a" "4fa6138568a1f0bda56dc3edacf06cf0efde4c68a5aa1f3927ee7cbbd33747bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa6138568a1f0bda56dc3edacf06cf0efde4c68a5aa1f3927ee7cbbd33747bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa6138568a1f0bda56dc3edacf06cf0efde4c68a5aa1f3927ee7cbbd33747bb", kill_on_drop: false }`
[INFO] [stdout] 4fa6138568a1f0bda56dc3edacf06cf0efde4c68a5aa1f3927ee7cbbd33747bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 9b5772848a63d6f3e97beabc65e32ac32dcded4d48993adce0121f6a0aaa8f79
[INFO] running `Command { std: "docker" "start" "-a" "9b5772848a63d6f3e97beabc65e32ac32dcded4d48993adce0121f6a0aaa8f79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling v_escape v0.13.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling v_htmlescape v0.10.3
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-cipher v0.7.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --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=3882a5db765301a8 -C extra-filename=-3882a5db765301a8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "9b5772848a63d6f3e97beabc65e32ac32dcded4d48993adce0121f6a0aaa8f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5772848a63d6f3e97beabc65e32ac32dcded4d48993adce0121f6a0aaa8f79", kill_on_drop: false }`
[INFO] [stdout] 9b5772848a63d6f3e97beabc65e32ac32dcded4d48993adce0121f6a0aaa8f79
