[INFO] fetching crate plist-rs 0.1.0...
[INFO] documenting plist-rs-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate plist-rs 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate plist-rs 0.1.0 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 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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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] dbd303d53448b9d4ad5e9b56f9e72043c7d29f8bbdeb9f2cc47de78bd50fc585
[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" "dbd303d53448b9d4ad5e9b56f9e72043c7d29f8bbdeb9f2cc47de78bd50fc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbd303d53448b9d4ad5e9b56f9e72043c7d29f8bbdeb9f2cc47de78bd50fc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd303d53448b9d4ad5e9b56f9e72043c7d29f8bbdeb9f2cc47de78bd50fc585", kill_on_drop: false }`
[INFO] [stdout] dbd303d53448b9d4ad5e9b56f9e72043c7d29f8bbdeb9f2cc47de78bd50fc585
[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] 83f53e120003d3fd72684d589badfe17774ccf8f27c6699e699c32979d3d5dbd
[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" "83f53e120003d3fd72684d589badfe17774ccf8f27c6699e699c32979d3d5dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]  Documenting plist-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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] error: 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] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `plist-rs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name plist src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-69c407163441bf39.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-4e0484f304728017.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-7ddf6b4d13e0395e.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-5336a9c05af0f170.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "83f53e120003d3fd72684d589badfe17774ccf8f27c6699e699c32979d3d5dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f53e120003d3fd72684d589badfe17774ccf8f27c6699e699c32979d3d5dbd", kill_on_drop: false }`
[INFO] [stdout] 83f53e120003d3fd72684d589badfe17774ccf8f27c6699e699c32979d3d5dbd