[INFO] fetching crate clap 2.33.3...
[INFO] documenting clap-2.33.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate clap 2.33.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate clap 2.33.3 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 clap 2.33.3
[INFO] finished tweaking crates.io crate clap 2.33.3
[INFO] tweaked toml for crates.io crate clap 2.33.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate clap 2.33.3 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1aead6683fd5c70a87927840d6518b604934e5f5ab0f15de91cd38bcbc0788ca
[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" "1aead6683fd5c70a87927840d6518b604934e5f5ab0f15de91cd38bcbc0788ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aead6683fd5c70a87927840d6518b604934e5f5ab0f15de91cd38bcbc0788ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aead6683fd5c70a87927840d6518b604934e5f5ab0f15de91cd38bcbc0788ca", kill_on_drop: false }`
[INFO] [stdout] 1aead6683fd5c70a87927840d6518b604934e5f5ab0f15de91cd38bcbc0788ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 40951ab7204fcb5e5afeb5aabd0ac2684c8e6e70927a1c9e2327c6c1255cbecd
[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" "40951ab7204fcb5e5afeb5aabd0ac2684c8e6e70927a1c9e2327c6c1255cbecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]  Documenting clap v2.33.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | /                 (self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 | |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 | |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 | |                     || self.groups.iter().any(|g| &g.name == arg))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.flags.iter().any(|f| &f.b.name == arg)
[INFO] [stdout] 150 |                     || self.opts.iter().any(|o| &o.b.name == arg)
[INFO] [stdout] 151 |                     || self.positionals.values().any(|p| &p.b.name == arg)
[INFO] [stdout] 152 |                     || self.groups.iter().any(|g| &g.name == arg)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (self.positionals.len() + 1)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |                 (self.positionals.len() + 1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:842:17
[INFO] [stdout]     |
[INFO] [stdout] 842 |                 (o.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/parser.rs:850:17
[INFO] [stdout]     |
[INFO] [stdout] 850 |                 (p.is_set(ArgSettings::AllowLeadingHyphen) || app_wide_settings)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/app/validator.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 |                         (ma.vals.len() % num as usize)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "40951ab7204fcb5e5afeb5aabd0ac2684c8e6e70927a1c9e2327c6c1255cbecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40951ab7204fcb5e5afeb5aabd0ac2684c8e6e70927a1c9e2327c6c1255cbecd", kill_on_drop: false }`
[INFO] [stdout] 40951ab7204fcb5e5afeb5aabd0ac2684c8e6e70927a1c9e2327c6c1255cbecd