[INFO] fetching crate ref-ops 0.1.0...
[INFO] documenting ref-ops-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ref-ops 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate ref-ops 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 ref-ops 0.1.0
[INFO] finished tweaking crates.io crate ref-ops 0.1.0
[INFO] tweaked toml for crates.io crate ref-ops 0.1.0 written to /workspace/builds/worker-20/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 7a1d208d10e8d0875b3a9390a405c643fa29225687e7e6b8de540762e896629f
[INFO] running `Command { std: "docker" "start" "-a" "7a1d208d10e8d0875b3a9390a405c643fa29225687e7e6b8de540762e896629f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a1d208d10e8d0875b3a9390a405c643fa29225687e7e6b8de540762e896629f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1d208d10e8d0875b3a9390a405c643fa29225687e7e6b8de540762e896629f", kill_on_drop: false }`
[INFO] [stdout] 7a1d208d10e8d0875b3a9390a405c643fa29225687e7e6b8de540762e896629f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 65d1e0355d943519a7cbbabf30f5614d74612914870d61199a79bf037c2d98cb
[INFO] running `Command { std: "docker" "start" "-a" "65d1e0355d943519a7cbbabf30f5614d74612914870d61199a79bf037c2d98cb", kill_on_drop: false }`
[INFO] [stderr]  Documenting ref-ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "65d1e0355d943519a7cbbabf30f5614d74612914870d61199a79bf037c2d98cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d1e0355d943519a7cbbabf30f5614d74612914870d61199a79bf037c2d98cb", kill_on_drop: false }`
[INFO] [stdout] 65d1e0355d943519a7cbbabf30f5614d74612914870d61199a79bf037c2d98cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 45b679343ad11bbd2a1bafaa228462032f34d5789f373d770a6a47204d56ebfe
[INFO] running `Command { std: "docker" "start" "-a" "45b679343ad11bbd2a1bafaa228462032f34d5789f373d770a6a47204d56ebfe", kill_on_drop: false }`
[INFO] [stderr]  Documenting ref-ops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "45b679343ad11bbd2a1bafaa228462032f34d5789f373d770a6a47204d56ebfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b679343ad11bbd2a1bafaa228462032f34d5789f373d770a6a47204d56ebfe", kill_on_drop: false }`
[INFO] [stdout] 45b679343ad11bbd2a1bafaa228462032f34d5789f373d770a6a47204d56ebfe