[INFO] fetching crate useful_macro 0.2.6...
[INFO] documenting useful_macro-0.2.6 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate useful_macro 0.2.6 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate useful_macro 0.2.6 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 useful_macro 0.2.6
[INFO] finished tweaking crates.io crate useful_macro 0.2.6
[INFO] tweaked toml for crates.io crate useful_macro 0.2.6 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate useful_macro 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 549625a578f90b29dabc57821e6a77e5ee61930832679dc7c221e876b5dac4d5
[INFO] running `Command { std: "docker" "start" "-a" "549625a578f90b29dabc57821e6a77e5ee61930832679dc7c221e876b5dac4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549625a578f90b29dabc57821e6a77e5ee61930832679dc7c221e876b5dac4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549625a578f90b29dabc57821e6a77e5ee61930832679dc7c221e876b5dac4d5", kill_on_drop: false }`
[INFO] [stdout] 549625a578f90b29dabc57821e6a77e5ee61930832679dc7c221e876b5dac4d5
[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] 664d95de12f49ced5c4b5de7ca8e784dd53178c97bd4fe9b22ce12f2f261e406
[INFO] running `Command { std: "docker" "start" "-a" "664d95de12f49ced5c4b5de7ca8e784dd53178c97bd4fe9b22ce12f2f261e406", kill_on_drop: false }`
[INFO] [stderr]  Documenting useful_macro v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "664d95de12f49ced5c4b5de7ca8e784dd53178c97bd4fe9b22ce12f2f261e406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664d95de12f49ced5c4b5de7ca8e784dd53178c97bd4fe9b22ce12f2f261e406", kill_on_drop: false }`
[INFO] [stdout] 664d95de12f49ced5c4b5de7ca8e784dd53178c97bd4fe9b22ce12f2f261e406
[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] 1cae60881becb8963b4798c7417c3ec13633a8bc0ae20ecee6842947debb3c82
[INFO] running `Command { std: "docker" "start" "-a" "1cae60881becb8963b4798c7417c3ec13633a8bc0ae20ecee6842947debb3c82", kill_on_drop: false }`
[INFO] [stderr]  Documenting useful_macro v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "1cae60881becb8963b4798c7417c3ec13633a8bc0ae20ecee6842947debb3c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cae60881becb8963b4798c7417c3ec13633a8bc0ae20ecee6842947debb3c82", kill_on_drop: false }`
[INFO] [stdout] 1cae60881becb8963b4798c7417c3ec13633a8bc0ae20ecee6842947debb3c82