[INFO] fetching crate uavcan-derive 0.1.0-preview0...
[INFO] documenting uavcan-derive-0.1.0-preview0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate uavcan-derive 0.1.0-preview0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate uavcan-derive 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-derive 0.1.0-preview0
[INFO] finished tweaking crates.io crate uavcan-derive 0.1.0-preview0
[INFO] tweaked toml for crates.io crate uavcan-derive 0.1.0-preview0 written to /workspace/builds/worker-34/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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] ed09e45a450cd3fdc90418863f60e408ea1de0a826a41b640a721b34069796dd
[INFO] running `Command { std: "docker" "start" "-a" "ed09e45a450cd3fdc90418863f60e408ea1de0a826a41b640a721b34069796dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed09e45a450cd3fdc90418863f60e408ea1de0a826a41b640a721b34069796dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed09e45a450cd3fdc90418863f60e408ea1de0a826a41b640a721b34069796dd", kill_on_drop: false }`
[INFO] [stdout] ed09e45a450cd3fdc90418863f60e408ea1de0a826a41b640a721b34069796dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 4c7e56e8d6c81db90cfd8e9291bec8adfa324f2cef5140df018a56ed35b53316
[INFO] running `Command { std: "docker" "start" "-a" "4c7e56e8d6c81db90cfd8e9291bec8adfa324f2cef5140df018a56ed35b53316", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]  Documenting uavcan-derive v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "4c7e56e8d6c81db90cfd8e9291bec8adfa324f2cef5140df018a56ed35b53316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c7e56e8d6c81db90cfd8e9291bec8adfa324f2cef5140df018a56ed35b53316", kill_on_drop: false }`
[INFO] [stdout] 4c7e56e8d6c81db90cfd8e9291bec8adfa324f2cef5140df018a56ed35b53316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 5227b31d12a08a9df3c59a8a56ee7f6990e6d2044865846bb4d749099f50fcab
[INFO] running `Command { std: "docker" "start" "-a" "5227b31d12a08a9df3c59a8a56ee7f6990e6d2044865846bb4d749099f50fcab", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]     Checking syn v0.11.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]  Documenting uavcan-derive v0.1.0-preview0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "5227b31d12a08a9df3c59a8a56ee7f6990e6d2044865846bb4d749099f50fcab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5227b31d12a08a9df3c59a8a56ee7f6990e6d2044865846bb4d749099f50fcab", kill_on_drop: false }`
[INFO] [stdout] 5227b31d12a08a9df3c59a8a56ee7f6990e6d2044865846bb4d749099f50fcab