[INFO] fetching crate plist-rs 0.1.0...
[INFO] documenting plist-rs-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate plist-rs 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate plist-rs 0.1.0 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 plist-rs 0.1.0
[INFO] finished tweaking crates.io crate plist-rs 0.1.0
[INFO] tweaked toml for crates.io crate plist-rs 0.1.0 written to /workspace/builds/worker-3/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d9bed75fc1e88c9b8116f3a06fea45f2dfdbb148cff8a3f4be6cf30bd7f1547e
[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" "d9bed75fc1e88c9b8116f3a06fea45f2dfdbb148cff8a3f4be6cf30bd7f1547e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9bed75fc1e88c9b8116f3a06fea45f2dfdbb148cff8a3f4be6cf30bd7f1547e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9bed75fc1e88c9b8116f3a06fea45f2dfdbb148cff8a3f4be6cf30bd7f1547e", kill_on_drop: false }`
[INFO] [stdout] d9bed75fc1e88c9b8116f3a06fea45f2dfdbb148cff8a3f4be6cf30bd7f1547e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ffb75874063ad289e1824adcb6e67dcfe29de6c90c15c07e8f2b6e435af17ff7
[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" "ffb75874063ad289e1824adcb6e67dcfe29de6c90c15c07e8f2b6e435af17ff7", kill_on_drop: false }`
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]  Documenting plist-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/reader/binary.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ((buf[0] as u16) << 8 | (buf[1] as u16))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         warnings,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_parens)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/reader/binary.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | (buf[3] as u32))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/reader/binary.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     ((buf[0] as u64) << 56 | (buf[1] as u64) << 48 | (buf[2] as u64) << 40 |
[INFO] [stdout] 25 | |      (buf[3] as u64) << 32 | (buf[4] as u64) << 24 | (buf[5] as u64) << 16 |
[INFO] [stdout] 26 | |      (buf[6] as u64) << 8 | (buf[7] as u64))
[INFO] [stdout]    | |____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 |     (buf[0] as u64) << 56 | (buf[1] as u64) << 48 | (buf[2] as u64) << 40 |
[INFO] [stdout] 25 |      (buf[3] as u64) << 32 | (buf[4] as u64) << 24 | (buf[5] as u64) << 16 |
[INFO] [stdout] 26 |      (buf[6] as u64) << 8 | (buf[7] as u64)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "ffb75874063ad289e1824adcb6e67dcfe29de6c90c15c07e8f2b6e435af17ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb75874063ad289e1824adcb6e67dcfe29de6c90c15c07e8f2b6e435af17ff7", kill_on_drop: false }`
[INFO] [stdout] ffb75874063ad289e1824adcb6e67dcfe29de6c90c15c07e8f2b6e435af17ff7