[INFO] cloning repository https://github.com/cobalt-org/cobalt.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cobalt-org/cobalt.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cc15c63075d7149db83551cdc5f9112ea90e89c
[INFO] documenting cobalt-org/cobalt.rs against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcobalt-org%2Fcobalt.rs" "/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/cobalt-org/cobalt.rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cobalt-org/cobalt.rs
[INFO] finished tweaking git repo https://github.com/cobalt-org/cobalt.rs
[INFO] tweaked toml for git repo https://github.com/cobalt-org/cobalt.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cobalt-org/cobalt.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.7.0
[INFO] [stderr]   Downloaded liquid-core v0.21.2
[INFO] [stderr]   Downloaded deunicode v1.1.1
[INFO] [stderr]   Downloaded liquid v0.21.4
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded kstring v1.0.0
[INFO] [stderr]   Downloaded chrono_utils v0.1.3
[INFO] [stderr]   Downloaded liquid-derive v0.21.0
[INFO] [stderr]   Downloaded sitemap v0.4.0
[INFO] [stderr]   Downloaded liquid-lib v0.21.1
[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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7c575732cf6b17facc69c7b16618b04e22f0e5fb47283ac6c4d7797fa3fe8f
[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" "ed7c575732cf6b17facc69c7b16618b04e22f0e5fb47283ac6c4d7797fa3fe8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7c575732cf6b17facc69c7b16618b04e22f0e5fb47283ac6c4d7797fa3fe8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7c575732cf6b17facc69c7b16618b04e22f0e5fb47283ac6c4d7797fa3fe8f", kill_on_drop: false }`
[INFO] [stdout] ed7c575732cf6b17facc69c7b16618b04e22f0e5fb47283ac6c4d7797fa3fe8f
[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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 09006cf89e85be956d1a181648aa143e28936923a63411adbe087ac3588178d2
[INFO] running `Command { std: "docker" "start" "-a" "09006cf89e85be956d1a181648aa143e28936923a63411adbe087ac3588178d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking deunicode v1.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking open v1.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking num-traits v0.2.12
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ghp v0.1.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling sass-sys v0.4.21
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=1fd3510cb54a468d -C extra-filename=-1fd3510cb54a468d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-2b8e18b803626c5c.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-a3c10398efad2951.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-79698a05a19234b1.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-18742dc278ef37c8.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-739dfd89b440ae34.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-78fb5057a2e3f904.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" "09006cf89e85be956d1a181648aa143e28936923a63411adbe087ac3588178d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09006cf89e85be956d1a181648aa143e28936923a63411adbe087ac3588178d2", kill_on_drop: false }`
[INFO] [stdout] 09006cf89e85be956d1a181648aa143e28936923a63411adbe087ac3588178d2
