[INFO] fetching crate multiwii_serial_protocol 0.1.1...
[INFO] documenting multiwii_serial_protocol-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate multiwii_serial_protocol 0.1.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate multiwii_serial_protocol 0.1.1 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 multiwii_serial_protocol 0.1.1
[INFO] finished tweaking crates.io crate multiwii_serial_protocol 0.1.1
[INFO] tweaked toml for crates.io crate multiwii_serial_protocol 0.1.1 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] 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 packed_struct_codegen v0.2.4
[INFO] [stderr]   Downloaded packed_struct v0.2.3
[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] 35cc81b5854fc2301bd922f125c76131f164fdba4446989e414fce51745c436b
[INFO] running `Command { std: "docker" "start" "-a" "35cc81b5854fc2301bd922f125c76131f164fdba4446989e414fce51745c436b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35cc81b5854fc2301bd922f125c76131f164fdba4446989e414fce51745c436b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cc81b5854fc2301bd922f125c76131f164fdba4446989e414fce51745c436b", kill_on_drop: false }`
[INFO] [stdout] 35cc81b5854fc2301bd922f125c76131f164fdba4446989e414fce51745c436b
[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] 0c0e47336d8a654dede9eecb69fd611ac005359b01fab4d14dd9c94f54cd0ab9
[INFO] running `Command { std: "docker" "start" "-a" "0c0e47336d8a654dede9eecb69fd611ac005359b01fab4d14dd9c94f54cd0ab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling packed_struct_codegen v0.2.4
[INFO] [stderr]  Documenting multiwii_serial_protocol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `centimeters`
[INFO] [stdout]    --> src/structs.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// [centimeters]
[INFO] [stdout]     |          ^^^^^^^^^^^ no item named `centimeters` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.86s
[INFO] running `Command { std: "docker" "inspect" "0c0e47336d8a654dede9eecb69fd611ac005359b01fab4d14dd9c94f54cd0ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0e47336d8a654dede9eecb69fd611ac005359b01fab4d14dd9c94f54cd0ab9", kill_on_drop: false }`
[INFO] [stdout] 0c0e47336d8a654dede9eecb69fd611ac005359b01fab4d14dd9c94f54cd0ab9
[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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] bb756312ddfff4dac2fb0f2393c849780a0f9f17a179b7494ef85f34ddd963ba
[INFO] running `Command { std: "docker" "start" "-a" "bb756312ddfff4dac2fb0f2393c849780a0f9f17a179b7494ef85f34ddd963ba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling packed_struct v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling packed_struct_codegen v0.2.4
[INFO] [stderr]  Documenting multiwii_serial_protocol v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `centimeters`
[INFO] [stdout]    --> src/structs.rs:175:10
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// [centimeters]
[INFO] [stdout]     |          ^^^^^^^^^^^ no item named `centimeters` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.00s
[INFO] running `Command { std: "docker" "inspect" "bb756312ddfff4dac2fb0f2393c849780a0f9f17a179b7494ef85f34ddd963ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb756312ddfff4dac2fb0f2393c849780a0f9f17a179b7494ef85f34ddd963ba", kill_on_drop: false }`
[INFO] [stdout] bb756312ddfff4dac2fb0f2393c849780a0f9f17a179b7494ef85f34ddd963ba