[INFO] fetching crate embedded-sdmmc 0.3.0...
[INFO] documenting embedded-sdmmc-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate embedded-sdmmc 0.3.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate embedded-sdmmc 0.3.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-sdmmc 0.3.0
[INFO] finished tweaking crates.io crate embedded-sdmmc 0.3.0
[INFO] tweaked toml for crates.io crate embedded-sdmmc 0.3.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate crates.io crate embedded-sdmmc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f491e9e47412c65169173d193bc549c3c22979a0948fcb0f838d5fa1bbf33c99
[INFO] running `Command { std: "docker" "start" "-a" "f491e9e47412c65169173d193bc549c3c22979a0948fcb0f838d5fa1bbf33c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f491e9e47412c65169173d193bc549c3c22979a0948fcb0f838d5fa1bbf33c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f491e9e47412c65169173d193bc549c3c22979a0948fcb0f838d5fa1bbf33c99", kill_on_drop: false }`
[INFO] [stdout] f491e9e47412c65169173d193bc549c3c22979a0948fcb0f838d5fa1bbf33c99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3151550e7ec1a8a1ace65e95293be83b1a7d39adc2940d5b26a147aec02e3a28
[INFO] running `Command { std: "docker" "start" "-a" "3151550e7ec1a8a1ace65e95293be83b1a7d39adc2940d5b26a147aec02e3a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]  Documenting embedded-sdmmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fat.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout]     |                 ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 717 -     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout] 717 +     ) -> Result<DirEntry, Error<D::Error>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "3151550e7ec1a8a1ace65e95293be83b1a7d39adc2940d5b26a147aec02e3a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3151550e7ec1a8a1ace65e95293be83b1a7d39adc2940d5b26a147aec02e3a28", kill_on_drop: false }`
[INFO] [stdout] 3151550e7ec1a8a1ace65e95293be83b1a7d39adc2940d5b26a147aec02e3a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3bc37c24bbc8b5f52f557eb38272aaaa5eb0accd1a724a50402a5f78fbe20fdf
[INFO] running `Command { std: "docker" "start" "-a" "3bc37c24bbc8b5f52f557eb38272aaaa5eb0accd1a724a50402a5f78fbe20fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]  Documenting embedded-sdmmc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fat.rs:717:17
[INFO] [stdout]     |
[INFO] [stdout] 717 |     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout]     |                 ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 717 -     ) -> Result<(DirEntry), Error<D::Error>>
[INFO] [stdout] 717 +     ) -> Result<DirEntry, Error<D::Error>>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "3bc37c24bbc8b5f52f557eb38272aaaa5eb0accd1a724a50402a5f78fbe20fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc37c24bbc8b5f52f557eb38272aaaa5eb0accd1a724a50402a5f78fbe20fdf", kill_on_drop: false }`
[INFO] [stdout] 3bc37c24bbc8b5f52f557eb38272aaaa5eb0accd1a724a50402a5f78fbe20fdf