[INFO] fetching crate uavcan 0.1.0-preview0...
[INFO] documenting uavcan-0.1.0-preview0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate uavcan 0.1.0-preview0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate uavcan 0.1.0-preview0 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 uavcan 0.1.0-preview0
[INFO] finished tweaking crates.io crate uavcan 0.1.0-preview0
[INFO] tweaked toml for crates.io crate uavcan 0.1.0-preview0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ba79471fda286190c9de1634569fc056984e8acef273609d6665dd2cf1c19978
[INFO] running `Command { std: "docker" "start" "-a" "ba79471fda286190c9de1634569fc056984e8acef273609d6665dd2cf1c19978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba79471fda286190c9de1634569fc056984e8acef273609d6665dd2cf1c19978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba79471fda286190c9de1634569fc056984e8acef273609d6665dd2cf1c19978", kill_on_drop: false }`
[INFO] [stdout] ba79471fda286190c9de1634569fc056984e8acef273609d6665dd2cf1c19978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9f70b9171730fb574a4c4eba1afc255216d02cb97588da7208092e4484b33934
[INFO] running `Command { std: "docker" "start" "-a" "9f70b9171730fb574a4c4eba1afc255216d02cb97588da7208092e4484b33934", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ux v0.0.1
[INFO] [stderr]     Checking embedded_types v0.3.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.8.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling uavcan-derive v0.1.0-preview0
[INFO] [stderr]  Documenting uavcan v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `u`
[INFO] [stdout]    --> src/serializer.rs:142:40
[INFO] [stdout]     |
[INFO] [stdout] 142 |     /// serialize(&self, buffer: &mut [u]) -> usize
[INFO] [stdout]     |                                        ^ no item named `u` 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 16.01s
[INFO] running `Command { std: "docker" "inspect" "9f70b9171730fb574a4c4eba1afc255216d02cb97588da7208092e4484b33934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f70b9171730fb574a4c4eba1afc255216d02cb97588da7208092e4484b33934", kill_on_drop: false }`
[INFO] [stdout] 9f70b9171730fb574a4c4eba1afc255216d02cb97588da7208092e4484b33934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] ee7a30b8c75f9ce321faf1c6fa55494d5d38956d6ecccf503c86e7bf3d362c24
[INFO] running `Command { std: "docker" "start" "-a" "ee7a30b8c75f9ce321faf1c6fa55494d5d38956d6ecccf503c86e7bf3d362c24", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking bit_field v0.8.0
[INFO] [stderr]     Checking ux v0.0.1
[INFO] [stderr]     Checking embedded_types v0.3.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling uavcan-derive v0.1.0-preview0
[INFO] [stderr]  Documenting uavcan v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `u`
[INFO] [stdout]    --> src/serializer.rs:142:40
[INFO] [stdout]     |
[INFO] [stdout] 142 |     /// serialize(&self, buffer: &mut [u]) -> usize
[INFO] [stdout]     |                                        ^ no item named `u` 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 16.60s
[INFO] running `Command { std: "docker" "inspect" "ee7a30b8c75f9ce321faf1c6fa55494d5d38956d6ecccf503c86e7bf3d362c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7a30b8c75f9ce321faf1c6fa55494d5d38956d6ecccf503c86e7bf3d362c24", kill_on_drop: false }`
[INFO] [stdout] ee7a30b8c75f9ce321faf1c6fa55494d5d38956d6ecccf503c86e7bf3d362c24