[INFO] fetching crate perlin 0.1.0...
[INFO] documenting perlin-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate perlin 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate perlin 0.1.0 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 perlin 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate perlin 0.1.0
[INFO] tweaked toml for crates.io crate perlin 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[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] 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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f35da32f5d6530e645e8959e7284f6584888f952819a94cf7ab0d9cf94b4597
[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" "3f35da32f5d6530e645e8959e7284f6584888f952819a94cf7ab0d9cf94b4597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f35da32f5d6530e645e8959e7284f6584888f952819a94cf7ab0d9cf94b4597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f35da32f5d6530e645e8959e7284f6584888f952819a94cf7ab0d9cf94b4597", kill_on_drop: false }`
[INFO] [stdout] 3f35da32f5d6530e645e8959e7284f6584888f952819a94cf7ab0d9cf94b4597
[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" "+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] c0572688b03fdd34035defd729ceacef43996002b1ab5651a1550a79a500973c
[INFO] running `Command { std: "docker" "start" "-a" "c0572688b03fdd34035defd729ceacef43996002b1ab5651a1550a79a500973c", kill_on_drop: false }`
[INFO] [stderr]  Documenting perlin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index/boolean_index/mod.rs:249:100
[INFO] [stdout]     |
[INFO] [stdout] 249 |     fn index_documents<TDocsIterator, TDocIterator>(&mut self, documents: TDocsIterator) -> Result<(usize)>
[INFO] [stdout]     |                                                                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:55:23
[INFO] [stdout]     |
[INFO] [stdout] 55  | #![deny(missing_docs, warnings)]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "c0572688b03fdd34035defd729ceacef43996002b1ab5651a1550a79a500973c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0572688b03fdd34035defd729ceacef43996002b1ab5651a1550a79a500973c", kill_on_drop: false }`
[INFO] [stdout] c0572688b03fdd34035defd729ceacef43996002b1ab5651a1550a79a500973c