[INFO] fetching crate sheep_cli 0.3.0...
[INFO] documenting sheep_cli-0.3.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sheep_cli 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate sheep_cli 0.3.0 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 sheep_cli 0.3.0
[INFO] finished tweaking crates.io crate sheep_cli 0.3.0
[INFO] tweaked toml for crates.io crate sheep_cli 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate sheep_cli 0.3.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] f9da3d9c83d0d2f2d67a1d12c3d41e8e962922d357ec9ac7f2bc36a49e041799
[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" "f9da3d9c83d0d2f2d67a1d12c3d41e8e962922d357ec9ac7f2bc36a49e041799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9da3d9c83d0d2f2d67a1d12c3d41e8e962922d357ec9ac7f2bc36a49e041799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9da3d9c83d0d2f2d67a1d12c3d41e8e962922d357ec9ac7f2bc36a49e041799", kill_on_drop: false }`
[INFO] [stdout] f9da3d9c83d0d2f2d67a1d12c3d41e8e962922d357ec9ac7f2bc36a49e041799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1d1f03cdd5c596c8f5ec1585ce40a7ea32731c6dc4d7a0ffbb2414ba19e85f8f
[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" "1d1f03cdd5c596c8f5ec1585ce40a7ea32731c6dc4d7a0ffbb2414ba19e85f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking typed-arena v1.5.0
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking wild v2.0.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.2.3
[INFO] [stderr]    Compiling cloudflare-zlib-sys v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking cloudflare-zlib v0.2.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking oxipng v2.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking sheep v0.3.0
[INFO] [stderr]  Documenting sheep_cli v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.56s
[INFO] running `Command { std: "docker" "inspect" "1d1f03cdd5c596c8f5ec1585ce40a7ea32731c6dc4d7a0ffbb2414ba19e85f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d1f03cdd5c596c8f5ec1585ce40a7ea32731c6dc4d7a0ffbb2414ba19e85f8f", kill_on_drop: false }`
[INFO] [stdout] 1d1f03cdd5c596c8f5ec1585ce40a7ea32731c6dc4d7a0ffbb2414ba19e85f8f