[INFO] cloning repository https://github.com/mythmon/advent2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mythmon/advent2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Fadvent2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Fadvent2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7775209dc6b7460187c0efca273a4efded564768
[INFO] documenting mythmon/advent2017 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%2Fmythmon%2Fadvent2017" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mythmon/advent2017 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/mythmon/advent2017
[INFO] finished tweaking git repo https://github.com/mythmon/advent2017
[INFO] tweaked toml for git repo https://github.com/mythmon/advent2017 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/mythmon/advent2017 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.10.2
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.6
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.5
[INFO] [stderr]   Downloaded crossterm_utils v0.2.4
[INFO] [stderr]   Downloaded md5 v0.6.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.3
[INFO] [stderr]   Downloaded indoc v0.3.3
[INFO] [stderr]   Downloaded backtrace v0.3.20
[INFO] [stderr]   Downloaded crossterm_style v0.4.1
[INFO] [stderr]   Downloaded toml v0.5.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.7
[INFO] [stderr]   Downloaded crossterm_input v0.3.9
[INFO] [stderr]   Downloaded crossterm_screen v0.2.5
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] c6373a5fa3845be55e08b0072183fe3435cdf13b673e0ae6dff0513d09901190
[INFO] running `Command { std: "docker" "start" "-a" "c6373a5fa3845be55e08b0072183fe3435cdf13b673e0ae6dff0513d09901190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6373a5fa3845be55e08b0072183fe3435cdf13b673e0ae6dff0513d09901190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6373a5fa3845be55e08b0072183fe3435cdf13b673e0ae6dff0513d09901190", kill_on_drop: false }`
[INFO] [stdout] c6373a5fa3845be55e08b0072183fe3435cdf13b673e0ae6dff0513d09901190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 2f03c7855d0f6b2603040fa5b9425be8ab056f15dce25860ae6549bb9528e4d4
[INFO] running `Command { std: "docker" "start" "-a" "2f03c7855d0f6b2603040fa5b9425be8ab056f15dce25860ae6549bb9528e4d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling indexmap v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[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,artifacts --crate-type lib --emit=dep-info,metadata,link -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=dd0dc9f4a9c57b2b -C extra-filename=-dd0dc9f4a9c57b2b --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" "2f03c7855d0f6b2603040fa5b9425be8ab056f15dce25860ae6549bb9528e4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f03c7855d0f6b2603040fa5b9425be8ab056f15dce25860ae6549bb9528e4d4", kill_on_drop: false }`
[INFO] [stdout] 2f03c7855d0f6b2603040fa5b9425be8ab056f15dce25860ae6549bb9528e4d4
