[INFO] fetching crate clerk 0.4.0...
[INFO] documenting clerk-0.4.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate clerk 0.4.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate clerk 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clerk 0.4.0
[INFO] finished tweaking crates.io crate clerk 0.4.0
[INFO] tweaked toml for crates.io crate clerk 0.4.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 379f210562aaf059abd652de5a074602014993cf2b1bf08b186e916eda092767
[INFO] running `Command { std: "docker" "start" "-a" "379f210562aaf059abd652de5a074602014993cf2b1bf08b186e916eda092767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "379f210562aaf059abd652de5a074602014993cf2b1bf08b186e916eda092767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379f210562aaf059abd652de5a074602014993cf2b1bf08b186e916eda092767", kill_on_drop: false }`
[INFO] [stdout] 379f210562aaf059abd652de5a074602014993cf2b1bf08b186e916eda092767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b148a79231c05b238986bae141999cad53fafef74a2ee38137e47bc0d7309b86
[INFO] running `Command { std: "docker" "start" "-a" "b148a79231c05b238986bae141999cad53fafef74a2ee38137e47bc0d7309b86", kill_on_drop: false }`
[INFO] [stderr]  Documenting clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:75
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// This trait is used to provide an initialization implementation for a [`Display`] connection.
[INFO] [stdout]    |                                                                           ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:60:77
[INFO] [stdout]    |
[INFO] [stdout] 60 | /// This trait is used to provide an implementation for sending data via a [`Display`] connection.
[INFO] [stdout]    |                                                                             ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:61:6
[INFO] [stdout]    |
[INFO] [stdout] 61 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:67:79
[INFO] [stdout]    |
[INFO] [stdout] 67 | /// This trait is used to provide an implementation for receiving data via a [`Display`] connection.
[INFO] [stdout]    |                                                                               ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | /// [`Display`]: struct.Display.html
[INFO] [stdout]    |      ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:75
[INFO] [stdout]    |
[INFO] [stdout] 53 | /// This trait is used to provide an initialization implementation for a [`Display`] connection.
[INFO] [stdout]    |                                                                           ^^^^^^^^^ no item named `Display` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "b148a79231c05b238986bae141999cad53fafef74a2ee38137e47bc0d7309b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b148a79231c05b238986bae141999cad53fafef74a2ee38137e47bc0d7309b86", kill_on_drop: false }`
[INFO] [stdout] b148a79231c05b238986bae141999cad53fafef74a2ee38137e47bc0d7309b86
