[INFO] fetching crate wires 0.7.1...
[INFO] documenting wires-0.7.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wires 0.7.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wires 0.7.1 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 wires 0.7.1
[INFO] finished tweaking crates.io crate wires 0.7.1
[INFO] tweaked toml for crates.io crate wires 0.7.1 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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 mozprofile v0.2.1
[INFO] [stderr]   Downloaded webdriver v0.8.1
[INFO] [stderr]   Downloaded mozrunner v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d5e08e2162b9676269579795b87ff3109e5d3bfbaca2e0de6d03ab92d290f0a2
[INFO] running `Command { std: "docker" "start" "-a" "d5e08e2162b9676269579795b87ff3109e5d3bfbaca2e0de6d03ab92d290f0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5e08e2162b9676269579795b87ff3109e5d3bfbaca2e0de6d03ab92d290f0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e08e2162b9676269579795b87ff3109e5d3bfbaca2e0de6d03ab92d290f0a2", kill_on_drop: false }`
[INFO] [stdout] d5e08e2162b9676269579795b87ff3109e5d3bfbaca2e0de6d03ab92d290f0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c02c4ca498e5cd1a7718f7842d7b0288f989ecdd5174fa4c4a3008b8bd48be77
[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" "c02c4ca498e5cd1a7718f7842d7b0288f989ecdd5174fa4c4a3008b8bd48be77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking zip v0.1.19
[INFO] [stderr]     Checking mozprofile v0.2.1
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking mozrunner v0.2.0
[INFO] [stderr]     Checking hyper v0.8.1
[INFO] [stderr]     Checking webdriver v0.8.1
[INFO] [stderr]  Documenting wires v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/marionette.rs:696:54
[INFO] [stdout]     |
[INFO] [stdout] 696 |   ...                   Ok(Date::new((try_opt!(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 697 | | ...                       x.as_u64(),
[INFO] [stdout] 698 | | ...                       ErrorStatus::UnknownError,
[INFO] [stdout] 699 | | ...                       "Failed to interpret domain as String"))))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 696 |                                         Ok(Date::new(try_opt!(
[INFO] [stdout] 697 |                                             x.as_u64(),
[INFO] [stdout] 698 |                                             ErrorStatus::UnknownError,
[INFO] [stdout] 699 |                                             "Failed to interpret domain as String")))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/marionette.rs:704:54
[INFO] [stdout]     |
[INFO] [stdout] 704 |   ...                   Ok(Date::new((try_opt!(
[INFO] [stdout]     |  ____________________________________^
[INFO] [stdout] 705 | | ...                       x.as_u64(),
[INFO] [stdout] 706 | | ...                       ErrorStatus::UnknownError,
[INFO] [stdout] 707 | | ...                       "Failed to interpret domain as String"))))
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 704 |                                         Ok(Date::new(try_opt!(
[INFO] [stdout] 705 |                                             x.as_u64(),
[INFO] [stdout] 706 |                                             ErrorStatus::UnknownError,
[INFO] [stdout] 707 |                                             "Failed to interpret domain as String")))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]     --> src/marionette.rs:1139:20
[INFO] [stdout]      |
[INFO] [stdout] 1139 |                 '0'...'9' => {
[INFO] [stdout]      |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "c02c4ca498e5cd1a7718f7842d7b0288f989ecdd5174fa4c4a3008b8bd48be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c02c4ca498e5cd1a7718f7842d7b0288f989ecdd5174fa4c4a3008b8bd48be77", kill_on_drop: false }`
[INFO] [stdout] c02c4ca498e5cd1a7718f7842d7b0288f989ecdd5174fa4c4a3008b8bd48be77