[INFO] fetching crate multiwii_serial_protocol_v2 0.1.12...
[INFO] documenting multiwii_serial_protocol_v2-0.1.12 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate multiwii_serial_protocol_v2 0.1.12 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate multiwii_serial_protocol_v2 0.1.12 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_v2 0.1.12
[INFO] finished tweaking crates.io crate multiwii_serial_protocol_v2 0.1.12
[INFO] tweaked toml for crates.io crate multiwii_serial_protocol_v2 0.1.12 written to /workspace/builds/worker-22/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded packed_struct v0.3.1
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded crc-any v2.4.3
[INFO] [stderr]   Downloaded packed_struct_codegen v0.3.1
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 37fabf27407a05a68467720545d613eb097eab2642f18adfb98acdea729a99cc
[INFO] running `Command { std: "docker" "start" "-a" "37fabf27407a05a68467720545d613eb097eab2642f18adfb98acdea729a99cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fabf27407a05a68467720545d613eb097eab2642f18adfb98acdea729a99cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fabf27407a05a68467720545d613eb097eab2642f18adfb98acdea729a99cc", kill_on_drop: false }`
[INFO] [stdout] 37fabf27407a05a68467720545d613eb097eab2642f18adfb98acdea729a99cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f5ed258308666f4f3cf9522ec1648a66d46e7a9e24bab7090159c9f4f0b1868b
[INFO] running `Command { std: "docker" "start" "-a" "f5ed258308666f4f3cf9522ec1648a66d46e7a9e24bab7090159c9f4f0b1868b", kill_on_drop: false }`
[INFO] [stderr]    Compiling packed_struct v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking crc-any v2.4.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.1
[INFO] [stderr]  Documenting multiwii_serial_protocol_v2 v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `centimeters`
[INFO] [stdout]    --> src/structs.rs:187:10
[INFO] [stdout]     |
[INFO] [stdout] 187 |     /// [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 12.29s
[INFO] running `Command { std: "docker" "inspect" "f5ed258308666f4f3cf9522ec1648a66d46e7a9e24bab7090159c9f4f0b1868b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ed258308666f4f3cf9522ec1648a66d46e7a9e24bab7090159c9f4f0b1868b", kill_on_drop: false }`
[INFO] [stdout] f5ed258308666f4f3cf9522ec1648a66d46e7a9e24bab7090159c9f4f0b1868b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 0d7da2c7d8b4c05299981fe7556847a2a8e0a4895e9703f5282948e760189683
[INFO] running `Command { std: "docker" "start" "-a" "0d7da2c7d8b4c05299981fe7556847a2a8e0a4895e9703f5282948e760189683", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling packed_struct v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking debug-helper v0.3.13
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking crc-any v2.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.1
[INFO] [stderr]  Documenting multiwii_serial_protocol_v2 v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `centimeters`
[INFO] [stdout]    --> src/structs.rs:187:10
[INFO] [stdout]     |
[INFO] [stdout] 187 |     /// [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 20.99s
[INFO] running `Command { std: "docker" "inspect" "0d7da2c7d8b4c05299981fe7556847a2a8e0a4895e9703f5282948e760189683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7da2c7d8b4c05299981fe7556847a2a8e0a4895e9703f5282948e760189683", kill_on_drop: false }`
[INFO] [stdout] 0d7da2c7d8b4c05299981fe7556847a2a8e0a4895e9703f5282948e760189683