[INFO] fetching crate canadensis_derive_register_block 0.2.1...
[INFO] documenting canadensis_derive_register_block-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate canadensis_derive_register_block 0.2.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate canadensis_derive_register_block 0.2.1 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 canadensis_derive_register_block 0.2.1
[INFO] finished tweaking crates.io crate canadensis_derive_register_block 0.2.1
[INFO] tweaked toml for crates.io crate canadensis_derive_register_block 0.2.1 written to /workspace/builds/worker-49/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 236c4afa8742160f6d9c4063bed36e12e460d7052239ec3b40f39362db7e1dbb
[INFO] running `Command { std: "docker" "start" "-a" "236c4afa8742160f6d9c4063bed36e12e460d7052239ec3b40f39362db7e1dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "236c4afa8742160f6d9c4063bed36e12e460d7052239ec3b40f39362db7e1dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236c4afa8742160f6d9c4063bed36e12e460d7052239ec3b40f39362db7e1dbb", kill_on_drop: false }`
[INFO] [stdout] 236c4afa8742160f6d9c4063bed36e12e460d7052239ec3b40f39362db7e1dbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 97c7f18055291f9a08fdc40fc3804d858be2059a482944b356e627c2a9850cc8
[INFO] running `Command { std: "docker" "start" "-a" "97c7f18055291f9a08fdc40fc3804d858be2059a482944b356e627c2a9850cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting canadensis_derive_register_block v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "97c7f18055291f9a08fdc40fc3804d858be2059a482944b356e627c2a9850cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c7f18055291f9a08fdc40fc3804d858be2059a482944b356e627c2a9850cc8", kill_on_drop: false }`
[INFO] [stdout] 97c7f18055291f9a08fdc40fc3804d858be2059a482944b356e627c2a9850cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] b8e0c548c6003db3193fb5062ae1c78de383c18c66d770402622b25ef5557092
[INFO] running `Command { std: "docker" "start" "-a" "b8e0c548c6003db3193fb5062ae1c78de383c18c66d770402622b25ef5557092", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting canadensis_derive_register_block v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "b8e0c548c6003db3193fb5062ae1c78de383c18c66d770402622b25ef5557092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e0c548c6003db3193fb5062ae1c78de383c18c66d770402622b25ef5557092", kill_on_drop: false }`
[INFO] [stdout] b8e0c548c6003db3193fb5062ae1c78de383c18c66d770402622b25ef5557092