[INFO] fetching crate rust_asio 0.6.0...
[INFO] documenting rust_asio-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rust_asio 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust_asio 0.6.0 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 rust_asio 0.6.0
[INFO] finished tweaking crates.io crate rust_asio 0.6.0
[INFO] tweaked toml for crates.io crate rust_asio 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded context v1.0.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", 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] 16b93573867c85b4cffb10697e72edb708c96adc5209e59bff330f18f4825d1a
[INFO] running `Command { std: "docker" "start" "-a" "16b93573867c85b4cffb10697e72edb708c96adc5209e59bff330f18f4825d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b93573867c85b4cffb10697e72edb708c96adc5209e59bff330f18f4825d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b93573867c85b4cffb10697e72edb708c96adc5209e59bff330f18f4825d1a", kill_on_drop: false }`
[INFO] [stdout] 16b93573867c85b4cffb10697e72edb708c96adc5209e59bff330f18f4825d1a
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 801e977bb28c84284c1918258e52015c5826e52b07d203ce586947500d680498
[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" "801e977bb28c84284c1918258e52015c5826e52b07d203ce586947500d680498", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]  Documenting rust_asio v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ip/addr.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         ((self.bytes[0] as i32 * 256 + self.bytes[1] as i32) * 256 + self.bytes[2] as i32)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ip/addr.rs:577:9
[INFO] [stdout]     |
[INFO] [stdout] 577 | /         (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 578 | |          self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 579 | |          self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0 &&
[INFO] [stdout] 580 | |          self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0 && self.bytes[15] == 1)
[INFO] [stdout]     | |__________________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 577 |         self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 578 |          self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 579 |          self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0 &&
[INFO] [stdout] 580 |          self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0 && self.bytes[15] == 1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ip/addr.rs:625:9
[INFO] [stdout]     |
[INFO] [stdout] 625 | /         (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 626 | |          self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 627 | |          self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0xFF && self.bytes[11] == 0xFF)
[INFO] [stdout]     | |______________________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 625 |         self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 626 |          self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 627 |          self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0xFF && self.bytes[11] == 0xFF
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ip/addr.rs:632:9
[INFO] [stdout]     |
[INFO] [stdout] 632 | /         ((self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 633 | |           self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 634 | |           self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0)
[INFO] [stdout] 635 | |          && !(self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0
[INFO] [stdout] 636 | |               && (self.bytes[15] == 0 || self.bytes[15] == 1)))
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 632 |         (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 &&
[INFO] [stdout] 633 |           self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 &&
[INFO] [stdout] 634 |           self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0)
[INFO] [stdout] 635 |          && !(self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0
[INFO] [stdout] 636 |               && (self.bytes[15] == 0 || self.bytes[15] == 1))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "801e977bb28c84284c1918258e52015c5826e52b07d203ce586947500d680498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801e977bb28c84284c1918258e52015c5826e52b07d203ce586947500d680498", kill_on_drop: false }`
[INFO] [stdout] 801e977bb28c84284c1918258e52015c5826e52b07d203ce586947500d680498