[INFO] fetching crate fluo 0.0.0...
[INFO] documenting fluo-0.0.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate fluo 0.0.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate fluo 0.0.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fluo 0.0.0
[INFO] finished tweaking crates.io crate fluo 0.0.0
[INFO] tweaked toml for crates.io crate fluo 0.0.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eaf3e80f8bf70170fb38eec55ae47e01bbfcc3462a81ae4d47fc5d4860098d6f
[INFO] running `Command { std: "docker" "start" "-a" "eaf3e80f8bf70170fb38eec55ae47e01bbfcc3462a81ae4d47fc5d4860098d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaf3e80f8bf70170fb38eec55ae47e01bbfcc3462a81ae4d47fc5d4860098d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf3e80f8bf70170fb38eec55ae47e01bbfcc3462a81ae4d47fc5d4860098d6f", kill_on_drop: false }`
[INFO] [stdout] eaf3e80f8bf70170fb38eec55ae47e01bbfcc3462a81ae4d47fc5d4860098d6f
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf956405846105b5bafa8dbdc105890281909c74689d1969144d385cd7c8c10
[INFO] running `Command { std: "docker" "start" "-a" "eaf956405846105b5bafa8dbdc105890281909c74689d1969144d385cd7c8c10", kill_on_drop: false }`
[INFO] [stderr]  Documenting fluo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "eaf956405846105b5bafa8dbdc105890281909c74689d1969144d385cd7c8c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf956405846105b5bafa8dbdc105890281909c74689d1969144d385cd7c8c10", kill_on_drop: false }`
[INFO] [stdout] eaf956405846105b5bafa8dbdc105890281909c74689d1969144d385cd7c8c10
[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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 555365e1f6c451415b230f937a4621d04f503147a60767874c8de8a1bcce2a92
[INFO] running `Command { std: "docker" "start" "-a" "555365e1f6c451415b230f937a4621d04f503147a60767874c8de8a1bcce2a92", kill_on_drop: false }`
[INFO] [stderr]  Documenting fluo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "555365e1f6c451415b230f937a4621d04f503147a60767874c8de8a1bcce2a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555365e1f6c451415b230f937a4621d04f503147a60767874c8de8a1bcce2a92", kill_on_drop: false }`
[INFO] [stdout] 555365e1f6c451415b230f937a4621d04f503147a60767874c8de8a1bcce2a92