[INFO] fetching crate clerk 0.4.0...
[INFO] documenting clerk-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate clerk 0.4.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate clerk 0.4.0 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 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-118/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]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 2dde3bc5ea444969504cd2058f774504f412bf98a500ceca612fb3f3b4426d2a
[INFO] running `Command { std: "docker" "start" "-a" "2dde3bc5ea444969504cd2058f774504f412bf98a500ceca612fb3f3b4426d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dde3bc5ea444969504cd2058f774504f412bf98a500ceca612fb3f3b4426d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dde3bc5ea444969504cd2058f774504f412bf98a500ceca612fb3f3b4426d2a", kill_on_drop: false }`
[INFO] [stdout] 2dde3bc5ea444969504cd2058f774504f412bf98a500ceca612fb3f3b4426d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 501bd50e8af2a8ccb94a104694b3c65344785b1c837add3f99abd70685e793c0
[INFO] running `Command { std: "docker" "start" "-a" "501bd50e8af2a8ccb94a104694b3c65344785b1c837add3f99abd70685e793c0", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]  Documenting clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:76
[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:54:7
[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:60:78
[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:61:7
[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:67:80
[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:68:7
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "501bd50e8af2a8ccb94a104694b3c65344785b1c837add3f99abd70685e793c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501bd50e8af2a8ccb94a104694b3c65344785b1c837add3f99abd70685e793c0", kill_on_drop: false }`
[INFO] [stdout] 501bd50e8af2a8ccb94a104694b3c65344785b1c837add3f99abd70685e793c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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] 5f588d74433b9c25a97519882d5d56d777e67c7e5fcd19ea860bff9426fd8da2
[INFO] running `Command { std: "docker" "start" "-a" "5f588d74433b9c25a97519882d5d56d777e67c7e5fcd19ea860bff9426fd8da2", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]  Documenting clerk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Display`
[INFO] [stdout]   --> src/hal.rs:53:76
[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:54:7
[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:60:78
[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:61:7
[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:67:80
[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:68:7
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "5f588d74433b9c25a97519882d5d56d777e67c7e5fcd19ea860bff9426fd8da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f588d74433b9c25a97519882d5d56d777e67c7e5fcd19ea860bff9426fd8da2", kill_on_drop: false }`
[INFO] [stdout] 5f588d74433b9c25a97519882d5d56d777e67c7e5fcd19ea860bff9426fd8da2