[INFO] fetching crate enc28j60 0.2.1...
[INFO] documenting enc28j60-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate enc28j60 0.2.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate enc28j60 0.2.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enc28j60 0.2.1
[INFO] finished tweaking crates.io crate enc28j60 0.2.1
[INFO] tweaked toml for crates.io crate enc28j60 0.2.1 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edb236974d61c7cf40ce91b12111009027a2323c657fab7a4aace211d8904602
[INFO] running `Command { std: "docker" "start" "-a" "edb236974d61c7cf40ce91b12111009027a2323c657fab7a4aace211d8904602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb236974d61c7cf40ce91b12111009027a2323c657fab7a4aace211d8904602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb236974d61c7cf40ce91b12111009027a2323c657fab7a4aace211d8904602", kill_on_drop: false }`
[INFO] [stdout] edb236974d61c7cf40ce91b12111009027a2323c657fab7a4aace211d8904602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525f13d0c9cb3d03485192086d9acf6379bd0443f424437f4acd29b3b8dfc811
[INFO] running `Command { std: "docker" "start" "-a" "525f13d0c9cb3d03485192086d9acf6379bd0443f424437f4acd29b3b8dfc811", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]  Documenting enc28j60 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:409:53
[INFO] [stdout]     |
[INFO] [stdout] 409 |         self.bit_field_clear(common::Register::EIR, { common::EIR::mask().txif() })?;
[INFO] [stdout]     |                                                     ^^                          ^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_braces)]` implied by `#[warn(warnings)]`
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 409 -         self.bit_field_clear(common::Register::EIR, { common::EIR::mask().txif() })?;
[INFO] [stdout] 409 +         self.bit_field_clear(common::Register::EIR, common::EIR::mask().txif())?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "525f13d0c9cb3d03485192086d9acf6379bd0443f424437f4acd29b3b8dfc811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525f13d0c9cb3d03485192086d9acf6379bd0443f424437f4acd29b3b8dfc811", kill_on_drop: false }`
[INFO] [stdout] 525f13d0c9cb3d03485192086d9acf6379bd0443f424437f4acd29b3b8dfc811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2a299fd78b2bd56eb57eefe537ed6b086d5a613b8c4c0cc9dd7cff1ded3d1446
[INFO] running `Command { std: "docker" "start" "-a" "2a299fd78b2bd56eb57eefe537ed6b086d5a613b8c4c0cc9dd7cff1ded3d1446", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]  Documenting enc28j60 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `enc28j60`
[INFO] [stdout] error: unnecessary braces around method argument
[INFO] [stdout]    --> src/lib.rs:409:53
[INFO] [stdout]     |
[INFO] [stdout] 409 |         self.bit_field_clear(common::Register::EIR, { common::EIR::mask().txif() })?;
[INFO] [stdout]     |                                                     ^^                          ^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:19:9
[INFO] [stdout]     |
[INFO] [stdout] 19  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_braces)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 409 -         self.bit_field_clear(common::Register::EIR, { common::EIR::mask().txif() })?;
[INFO] [stdout] 409 +         self.bit_field_clear(common::Register::EIR, common::EIR::mask().txif())?;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name enc28j60 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=549715ec22c8e581 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-abfed71c265ad58b.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-c088a0b1b81ee44c.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-c1d653cb9bad1398.rmeta --extern-html-root-url 'byteorder=https://docs.rs/byteorder/1.4.3/' --extern-html-root-url 'cast=https://docs.rs/cast/0.2.7/' --extern-html-root-url 'embedded_hal=https://docs.rs/embedded-hal/0.2.7/' -Zunstable-options --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2a299fd78b2bd56eb57eefe537ed6b086d5a613b8c4c0cc9dd7cff1ded3d1446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a299fd78b2bd56eb57eefe537ed6b086d5a613b8c4c0cc9dd7cff1ded3d1446", kill_on_drop: false }`
[INFO] [stdout] 2a299fd78b2bd56eb57eefe537ed6b086d5a613b8c4c0cc9dd7cff1ded3d1446