[INFO] fetching crate yanp 0.1.1...
[INFO] documenting yanp-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate yanp 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate yanp 0.1.1 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 yanp 0.1.1
[INFO] finished tweaking crates.io crate yanp 0.1.1
[INFO] tweaked toml for crates.io crate yanp 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate yanp 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 17c699396becebc4203dbf19f943e48a6f764182dfe11a304f8322efff76f3e9
[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" "17c699396becebc4203dbf19f943e48a6f764182dfe11a304f8322efff76f3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c699396becebc4203dbf19f943e48a6f764182dfe11a304f8322efff76f3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c699396becebc4203dbf19f943e48a6f764182dfe11a304f8322efff76f3e9", kill_on_drop: false }`
[INFO] [stdout] 17c699396becebc4203dbf19f943e48a6f764182dfe11a304f8322efff76f3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] fe596139a5f6841df56bd337a16cd782f8cf8f8285c94938a02fc14df4feeebb
[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" "fe596139a5f6841df56bd337a16cd782f8cf8f8285c94938a02fc14df4feeebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]  Documenting yanp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/gsa.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         |sentence: (Option<u8>)| -> Result<Option<u8>, NmeaSentenceError> { Ok(sentence) }
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/hdt.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 |         | sentence: (Option<f32>) | -> Result<HdtData, NmeaSentenceError> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/parsers/stn.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |         |sentence:(u8) | -> Result<StnData, NmeaSentenceError> {
[INFO] [stdout]    |                   ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.39s
[INFO] running `Command { std: "docker" "inspect" "fe596139a5f6841df56bd337a16cd782f8cf8f8285c94938a02fc14df4feeebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe596139a5f6841df56bd337a16cd782f8cf8f8285c94938a02fc14df4feeebb", kill_on_drop: false }`
[INFO] [stdout] fe596139a5f6841df56bd337a16cd782f8cf8f8285c94938a02fc14df4feeebb