[INFO] crate clap 2.33.1 is already in cache
[INFO] documenting clap-2.33.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate clap 2.33.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate clap 2.33.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clap 2.33.1
[INFO] finished tweaking crates.io crate clap 2.33.1
[INFO] tweaked toml for crates.io crate clap 2.33.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate clap 2.33.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5deb1dafdd25ec62ac9a83aa5a0a88d3219da5d6825edd6166e26744e6cd56
[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" "1a5deb1dafdd25ec62ac9a83aa5a0a88d3219da5d6825edd6166e26744e6cd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5deb1dafdd25ec62ac9a83aa5a0a88d3219da5d6825edd6166e26744e6cd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5deb1dafdd25ec62ac9a83aa5a0a88d3219da5d6825edd6166e26744e6cd56", kill_on_drop: false }`
[INFO] [stdout] 1a5deb1dafdd25ec62ac9a83aa5a0a88d3219da5d6825edd6166e26744e6cd56
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b81ee54ce041044767d40c171a6267c8f4ed1cfcfa4a65b76b2e2fa30ce86dc
[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" "9b81ee54ce041044767d40c171a6267c8f4ed1cfcfa4a65b76b2e2fa30ce86dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]  Documenting clap v2.33.1 (/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 5.93s
[INFO] running `Command { std: "docker" "inspect" "9b81ee54ce041044767d40c171a6267c8f4ed1cfcfa4a65b76b2e2fa30ce86dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b81ee54ce041044767d40c171a6267c8f4ed1cfcfa4a65b76b2e2fa30ce86dc", kill_on_drop: false }`
[INFO] [stdout] 9b81ee54ce041044767d40c171a6267c8f4ed1cfcfa4a65b76b2e2fa30ce86dc