[INFO] cloning repository https://github.com/ianic/yarws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianic/yarws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a30d5b5f8d8f367f3fd92d7aa03a2a8fa957c9e6
[INFO] documenting ianic/yarws against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianic%2Fyarws" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianic/yarws on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianic/yarws
[INFO] finished tweaking git repo https://github.com/ianic/yarws
[INFO] tweaked toml for git repo https://github.com/ianic/yarws written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ianic/yarws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "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] 82a45ff9d11cde3069e7e5656d60a0ea6359ca44e6a8ceb25a5da64878de913b
[INFO] running `Command { std: "docker" "start" "-a" "82a45ff9d11cde3069e7e5656d60a0ea6359ca44e6a8ceb25a5da64878de913b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82a45ff9d11cde3069e7e5656d60a0ea6359ca44e6a8ceb25a5da64878de913b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82a45ff9d11cde3069e7e5656d60a0ea6359ca44e6a8ceb25a5da64878de913b", kill_on_drop: false }`
[INFO] [stdout] 82a45ff9d11cde3069e7e5656d60a0ea6359ca44e6a8ceb25a5da64878de913b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 733552fa257ac0368f024254f234d208a7d739df4d018d24ca9e91bbb384610d
[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" "733552fa257ac0368f024254f234d208a7d739df4d018d24ca9e91bbb384610d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking yarws v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting yarws v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `yarws`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name autobahn_server_test src/bin/autobahn_server_test.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-776a35e3368273cb.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-cb24715fa484b028.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-d51940ad38ddec53.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-ecbd4ac378d4a0bb.rmeta --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-a604cc24cc775226.rmeta --extern inflate=/opt/rustwide/target/debug/deps/libinflate-1d45a0e9dbe39dc4.rmeta --extern miniz_oxide=/opt/rustwide/target/debug/deps/libminiz_oxide-91e6c69fb3b3f568.rmeta --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-8536384412a48aea.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-9de4bdcd0d606d7b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c0e28a62735dec8a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0b72a4c56f9cab43.rmeta --extern sha1=/opt/rustwide/target/debug/deps/libsha1-e048e371e7c87349.rmeta --extern slog=/opt/rustwide/target/debug/deps/libslog-cdf337398563f389.rmeta --extern slog_async=/opt/rustwide/target/debug/deps/libslog_async-8060f5050fccc1d8.rmeta --extern slog_stdlog=/opt/rustwide/target/debug/deps/libslog_stdlog-f8307623ccb37759.rmeta --extern slog_term=/opt/rustwide/target/debug/deps/libslog_term-ed77813c50c75024.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-f68139ece1835f3f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-580f66e9f4060075.rmeta --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-f4438c9e0825fcc7.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-762ba2e1e45d868f.rmeta --extern yarws=/opt/rustwide/target/debug/deps/libyarws-10a0a5194d03b292.rmeta --cap-lints=warn` (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" "733552fa257ac0368f024254f234d208a7d739df4d018d24ca9e91bbb384610d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733552fa257ac0368f024254f234d208a7d739df4d018d24ca9e91bbb384610d", kill_on_drop: false }`
[INFO] [stdout] 733552fa257ac0368f024254f234d208a7d739df4d018d24ca9e91bbb384610d