[INFO] fetching crate tune 0.30.0...
[INFO] documenting tune-0.30.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tune 0.30.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tune 0.30.0 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 tune 0.30.0
[INFO] finished tweaking crates.io crate tune 0.30.0
[INFO] tweaked toml for crates.io crate tune 0.30.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate tune 0.30.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 9f2d887b7459dde1aa6e506566ff68855e42aa3e2c231f70d61f97938bb9fb0c
[INFO] running `Command { std: "docker" "start" "-a" "9f2d887b7459dde1aa6e506566ff68855e42aa3e2c231f70d61f97938bb9fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f2d887b7459dde1aa6e506566ff68855e42aa3e2c231f70d61f97938bb9fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2d887b7459dde1aa6e506566ff68855e42aa3e2c231f70d61f97938bb9fb0c", kill_on_drop: false }`
[INFO] [stdout] 9f2d887b7459dde1aa6e506566ff68855e42aa3e2c231f70d61f97938bb9fb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 73f8935093d9c43f2cd38f8b24cb3fef3184cdc6500c4bc69ff6f2fb8d227b8d
[INFO] running `Command { std: "docker" "start" "-a" "73f8935093d9c43f2cd38f8b24cb3fef3184cdc6500c4bc69ff6f2fb8d227b8d", kill_on_drop: false }`
[INFO] [stderr]  Documenting tune v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "73f8935093d9c43f2cd38f8b24cb3fef3184cdc6500c4bc69ff6f2fb8d227b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f8935093d9c43f2cd38f8b24cb3fef3184cdc6500c4bc69ff6f2fb8d227b8d", kill_on_drop: false }`
[INFO] [stdout] 73f8935093d9c43f2cd38f8b24cb3fef3184cdc6500c4bc69ff6f2fb8d227b8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 5ce6c6a337433ce051bb401e38cd789c7c624446c87906230c0cdb10e9555ecf
[INFO] running `Command { std: "docker" "start" "-a" "5ce6c6a337433ce051bb401e38cd789c7c624446c87906230c0cdb10e9555ecf", kill_on_drop: false }`
[INFO] [stderr]  Documenting tune v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5ce6c6a337433ce051bb401e38cd789c7c624446c87906230c0cdb10e9555ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce6c6a337433ce051bb401e38cd789c7c624446c87906230c0cdb10e9555ecf", kill_on_drop: false }`
[INFO] [stdout] 5ce6c6a337433ce051bb401e38cd789c7c624446c87906230c0cdb10e9555ecf