[INFO] fetching crate uavcan-core 0.0.1...
[INFO] documenting uavcan-core-0.0.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate uavcan-core 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate uavcan-core 0.0.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uavcan-core 0.0.1
[INFO] finished tweaking crates.io crate uavcan-core 0.0.1
[INFO] tweaked toml for crates.io crate uavcan-core 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1900484274d189f70e5c3167a16499410f77444aa18f8a228cc596a44583ba2d
[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" "1900484274d189f70e5c3167a16499410f77444aa18f8a228cc596a44583ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1900484274d189f70e5c3167a16499410f77444aa18f8a228cc596a44583ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1900484274d189f70e5c3167a16499410f77444aa18f8a228cc596a44583ba2d", kill_on_drop: false }`
[INFO] [stdout] 1900484274d189f70e5c3167a16499410f77444aa18f8a228cc596a44583ba2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c8d4c981f74a09838d50388f01ab5aea0581225af2905d4e1dd439e51223b5b
[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" "7c8d4c981f74a09838d50388f01ab5aea0581225af2905d4e1dd439e51223b5b", kill_on_drop: false }`
[INFO] [stderr]     Checking bit_field v0.8.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling uavcan-derive v0.0.1
[INFO] [stderr]  Documenting uavcan-core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:307:93
[INFO] [stdout]     |
[INFO] [stdout] 307 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u8); }
[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 method argument
[INFO] [stdout]    --> src/types.rs:315:93
[INFO] [stdout]     |
[INFO] [stdout] 315 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:323:93
[INFO] [stdout]     |
[INFO] [stdout] 323 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:331:93
[INFO] [stdout]     |
[INFO] [stdout] 331 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:339:93
[INFO] [stdout]     |
[INFO] [stdout] 339 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u8); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:347:93
[INFO] [stdout]     |
[INFO] [stdout] 347 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u16); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:355:93
[INFO] [stdout]     |
[INFO] [stdout] 355 | ...alue: u64) { self.value.set_bits((range.start as u8..range.end as u8), value as u32); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/types.rs:363:102
[INFO] [stdout]     |
[INFO] [stdout] 363 | ...) { self.value.bitfield.set_bits((range.start as u8..range.end as u8), value as u16); }
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "7c8d4c981f74a09838d50388f01ab5aea0581225af2905d4e1dd439e51223b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8d4c981f74a09838d50388f01ab5aea0581225af2905d4e1dd439e51223b5b", kill_on_drop: false }`
[INFO] [stdout] 7c8d4c981f74a09838d50388f01ab5aea0581225af2905d4e1dd439e51223b5b
