[INFO] fetching crate flowc 0.8.8...
[INFO] documenting flowc-0.8.8 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate flowc 0.8.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flowc 0.8.8 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 crates.io crate flowc 0.8.8
[INFO] finished tweaking crates.io crate flowc 0.8.8
[INFO] tweaked toml for crates.io crate flowc 0.8.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate flowc 0.8.8 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e7e76a90d0836f9873f4daecd9a6e5df634353f440190ee8f665d070da3102df
[INFO] running `Command { std: "docker" "start" "-a" "e7e76a90d0836f9873f4daecd9a6e5df634353f440190ee8f665d070da3102df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e76a90d0836f9873f4daecd9a6e5df634353f440190ee8f665d070da3102df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e76a90d0836f9873f4daecd9a6e5df634353f440190ee8f665d070da3102df", kill_on_drop: false }`
[INFO] [stdout] e7e76a90d0836f9873f4daecd9a6e5df634353f440190ee8f665d070da3102df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1b0f8ecea50a669b86142baffa47b5e8c215ca6b30c83f49edf64ec00d0c235
[INFO] running `Command { std: "docker" "start" "-a" "b1b0f8ecea50a669b86142baffa47b5e8c215ca6b30c83f49edf64ec00d0c235", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking simpath v1.3.1
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking erased-serde v0.3.10
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking provider v0.8.8
[INFO] [stderr]     Checking flowclib v0.8.8
[INFO] [stderr]  Documenting flowc v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.49s
[INFO] running `Command { std: "docker" "inspect" "b1b0f8ecea50a669b86142baffa47b5e8c215ca6b30c83f49edf64ec00d0c235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b0f8ecea50a669b86142baffa47b5e8c215ca6b30c83f49edf64ec00d0c235", kill_on_drop: false }`
[INFO] [stdout] b1b0f8ecea50a669b86142baffa47b5e8c215ca6b30c83f49edf64ec00d0c235