[INFO] cloning repository https://github.com/TatriX/dvach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TatriX/dvach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTatriX%2Fdvach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTatriX%2Fdvach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 191df9a014b3f62384b1c79ca5b2f02b66c29d79
[INFO] documenting TatriX/dvach against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTatriX%2Fdvach" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TatriX/dvach on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TatriX/dvach
[INFO] finished tweaking git repo https://github.com/TatriX/dvach
[INFO] tweaked toml for git repo https://github.com/TatriX/dvach written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/TatriX/dvach already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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 darling_core v0.10.2
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded signal-hook v0.1.12
[INFO] [stderr]   Downloaded enumset_derive v0.4.3
[INFO] [stderr]   Downloaded enumset v0.4.4
[INFO] [stderr]   Downloaded structopt-derive v0.3.5
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded array-macro v1.0.4
[INFO] [stderr]   Downloaded structopt v0.3.5
[INFO] [stderr]   Downloaded cursive v0.13.0
[INFO] [stderr]   Downloaded enum-map v0.6.1
[INFO] [stderr]   Downloaded ncurses v5.99.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] f99c48724c76d916b30b69c09df9bf44f36fac927b322771c5f6ba07be64e1ee
[INFO] running `Command { std: "docker" "start" "-a" "f99c48724c76d916b30b69c09df9bf44f36fac927b322771c5f6ba07be64e1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99c48724c76d916b30b69c09df9bf44f36fac927b322771c5f6ba07be64e1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99c48724c76d916b30b69c09df9bf44f36fac927b322771c5f6ba07be64e1ee", kill_on_drop: false }`
[INFO] [stdout] f99c48724c76d916b30b69c09df9bf44f36fac927b322771c5f6ba07be64e1ee
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1949d8bc89c0702ba2ac7bd32b03d1701871b40215337824b0e7db148e0b271c
[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" "1949d8bc89c0702ba2ac7bd32b03d1701871b40215337824b0e7db148e0b271c", kill_on_drop: false }`
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking http v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr] error: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name darling_core /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/darling_core-0.10.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="strsim"' --cfg 'feature="suggestions"' -C metadata=b18a4fcc4472f66a -C extra-filename=-b18a4fcc4472f66a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-f044afbbc3ed8064.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-13aba85dfbd1ee1b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ab302b952e99478e.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-9b8174ce2d223526.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e872693cf327461d.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" "1949d8bc89c0702ba2ac7bd32b03d1701871b40215337824b0e7db148e0b271c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1949d8bc89c0702ba2ac7bd32b03d1701871b40215337824b0e7db148e0b271c", kill_on_drop: false }`
[INFO] [stdout] 1949d8bc89c0702ba2ac7bd32b03d1701871b40215337824b0e7db148e0b271c