[INFO] crate enc28j60 0.2.1 is already in cache
[INFO] documenting enc28j60-0.2.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate enc28j60 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate enc28j60 0.2.1 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 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-11/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d8ce119c3d1cdd64484b14d0caffb5a5aca177ef6d751ead30c066e69c8f5d2
[INFO] running `Command { std: "docker" "start" "-a" "9d8ce119c3d1cdd64484b14d0caffb5a5aca177ef6d751ead30c066e69c8f5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d8ce119c3d1cdd64484b14d0caffb5a5aca177ef6d751ead30c066e69c8f5d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8ce119c3d1cdd64484b14d0caffb5a5aca177ef6d751ead30c066e69c8f5d2", kill_on_drop: false }`
[INFO] [stdout] 9d8ce119c3d1cdd64484b14d0caffb5a5aca177ef6d751ead30c066e69c8f5d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 0e7474b9f28212f1f0f5f5dd9fec7fc0393f2996092c3e89c0e6ce215d5cb8f1
[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" "0e7474b9f28212f1f0f5f5dd9fec7fc0393f2996092c3e89c0e6ce215d5cb8f1", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting enc28j60 v0.2.1 (/opt/rustwide/workdir)
[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]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `enc28j60`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[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 --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-b7308141dbcf77d7.rmeta --extern cast=/opt/rustwide/target/debug/deps/libcast-e16b319f9f5d5142.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-5a0c0bde6fae527d.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "0e7474b9f28212f1f0f5f5dd9fec7fc0393f2996092c3e89c0e6ce215d5cb8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7474b9f28212f1f0f5f5dd9fec7fc0393f2996092c3e89c0e6ce215d5cb8f1", kill_on_drop: false }`
[INFO] [stdout] 0e7474b9f28212f1f0f5f5dd9fec7fc0393f2996092c3e89c0e6ce215d5cb8f1