[INFO] fetching crate flowgger 0.2.10...
[INFO] documenting flowgger-0.2.10 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate flowgger 0.2.10 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flowgger 0.2.10 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 crates.io crate flowgger 0.2.10
[INFO] finished tweaking crates.io crate flowgger 0.2.10
[INFO] tweaked toml for crates.io crate flowgger 0.2.10 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flowgger 0.2.10 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-reactor v0.1.9
[INFO] [stderr]   Downloaded tokio-sync v0.1.6
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded toml v0.5.3
[INFO] [stderr]   Downloaded notify v4.0.13
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded generator v0.6.20
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded may_queue v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.3.38
[INFO] [stderr]   Downloaded chrono-tz v0.5.1
[INFO] [stderr]   Downloaded snap v0.2.5
[INFO] [stderr]   Downloaded kafka v0.8.0
[INFO] [stderr]   Downloaded may v0.3.17
[INFO] [stderr]   Downloaded parse-zoneinfo v0.2.1
[INFO] [stderr]   Downloaded redis v0.10.0
[INFO] [stderr]   Downloaded capnpc v0.10.2
[INFO] [stderr]   Downloaded miniz_oxide v0.3.2
[INFO] [stderr]   Downloaded capnp v0.10.3
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac877752f2e47b4b90290ec0ebe21918d40a9649a38a37d77c399d7c105e03f8
[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" "ac877752f2e47b4b90290ec0ebe21918d40a9649a38a37d77c399d7c105e03f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac877752f2e47b4b90290ec0ebe21918d40a9649a38a37d77c399d7c105e03f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac877752f2e47b4b90290ec0ebe21918d40a9649a38a37d77c399d7c105e03f8", kill_on_drop: false }`
[INFO] [stdout] ac877752f2e47b4b90290ec0ebe21918d40a9649a38a37d77c399d7c105e03f8
[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" "+beta-2020-08-29" "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] 529733c75ec961dd09e7ab2c1f3f1ffb8390ded8f9e4f852763fc064fea0d7ce
[INFO] running `Command { std: "docker" "start" "-a" "529733c75ec961dd09e7ab2c1f3f1ffb8390ded8f9e4f852763fc064fea0d7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling capnp v0.10.3
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling redis v0.10.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]    Compiling capnpc v0.10.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.13
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling flowgger v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]     Checking kafka v0.8.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]  Documenting flowgger v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "529733c75ec961dd09e7ab2c1f3f1ffb8390ded8f9e4f852763fc064fea0d7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529733c75ec961dd09e7ab2c1f3f1ffb8390ded8f9e4f852763fc064fea0d7ce", kill_on_drop: false }`
[INFO] [stdout] 529733c75ec961dd09e7ab2c1f3f1ffb8390ded8f9e4f852763fc064fea0d7ce