[INFO] fetching crate concurrent-buffer 0.1.0...
[INFO] documenting concurrent-buffer-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate concurrent-buffer 0.1.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate concurrent-buffer 0.1.0 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 concurrent-buffer 0.1.0
[INFO] finished tweaking crates.io crate concurrent-buffer 0.1.0
[INFO] tweaked toml for crates.io crate concurrent-buffer 0.1.0 written to /workspace/builds/worker-80/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] 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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 63be548f40a81f74019e37c322c5c65f9ecc9f49c5c4c6cc35d1a9ae2a144cb8
[INFO] running `Command { std: "docker" "start" "-a" "63be548f40a81f74019e37c322c5c65f9ecc9f49c5c4c6cc35d1a9ae2a144cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63be548f40a81f74019e37c322c5c65f9ecc9f49c5c4c6cc35d1a9ae2a144cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63be548f40a81f74019e37c322c5c65f9ecc9f49c5c4c6cc35d1a9ae2a144cb8", kill_on_drop: false }`
[INFO] [stdout] 63be548f40a81f74019e37c322c5c65f9ecc9f49c5c4c6cc35d1a9ae2a144cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] 073e2f3f97ee08fdb512c179150ee1dcdba6b11812d4828705235e5a249d9b85
[INFO] running `Command { std: "docker" "start" "-a" "073e2f3f97ee08fdb512c179150ee1dcdba6b11812d4828705235e5a249d9b85", kill_on_drop: false }`
[INFO] [stderr]  Documenting concurrent-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "073e2f3f97ee08fdb512c179150ee1dcdba6b11812d4828705235e5a249d9b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "073e2f3f97ee08fdb512c179150ee1dcdba6b11812d4828705235e5a249d9b85", kill_on_drop: false }`
[INFO] [stdout] 073e2f3f97ee08fdb512c179150ee1dcdba6b11812d4828705235e5a249d9b85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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] c4b63d6a9fd33ba75d852f089b1c7be05a94d5ba89fccaabe9875193c0c1f28a
[INFO] running `Command { std: "docker" "start" "-a" "c4b63d6a9fd33ba75d852f089b1c7be05a94d5ba89fccaabe9875193c0c1f28a", kill_on_drop: false }`
[INFO] [stderr]  Documenting concurrent-buffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "c4b63d6a9fd33ba75d852f089b1c7be05a94d5ba89fccaabe9875193c0c1f28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b63d6a9fd33ba75d852f089b1c7be05a94d5ba89fccaabe9875193c0c1f28a", kill_on_drop: false }`
[INFO] [stdout] c4b63d6a9fd33ba75d852f089b1c7be05a94d5ba89fccaabe9875193c0c1f28a