[INFO] fetching crate rubber-stamp 0.1.0...
[INFO] documenting rubber-stamp-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rubber-stamp 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rubber-stamp 0.1.0 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 rubber-stamp 0.1.0
[INFO] finished tweaking crates.io crate rubber-stamp 0.1.0
[INFO] tweaked toml for crates.io crate rubber-stamp 0.1.0 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 92ff43bd928aa81250c9861ce2b552bc05ae595af02e8a92abb6692a1f803c93
[INFO] running `Command { std: "docker" "start" "-a" "92ff43bd928aa81250c9861ce2b552bc05ae595af02e8a92abb6692a1f803c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ff43bd928aa81250c9861ce2b552bc05ae595af02e8a92abb6692a1f803c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ff43bd928aa81250c9861ce2b552bc05ae595af02e8a92abb6692a1f803c93", kill_on_drop: false }`
[INFO] [stdout] 92ff43bd928aa81250c9861ce2b552bc05ae595af02e8a92abb6692a1f803c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b68a5c82ab778810d4ebdf9590525876b0ccf06d1561dd23655adf0a459c0be0
[INFO] running `Command { std: "docker" "start" "-a" "b68a5c82ab778810d4ebdf9590525876b0ccf06d1561dd23655adf0a459c0be0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rubber-stamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b68a5c82ab778810d4ebdf9590525876b0ccf06d1561dd23655adf0a459c0be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68a5c82ab778810d4ebdf9590525876b0ccf06d1561dd23655adf0a459c0be0", kill_on_drop: false }`
[INFO] [stdout] b68a5c82ab778810d4ebdf9590525876b0ccf06d1561dd23655adf0a459c0be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6dd5048e0c9be49170b78e73d09ea19b83d15e77fd3212f927ba5601f3cb58d8
[INFO] running `Command { std: "docker" "start" "-a" "6dd5048e0c9be49170b78e73d09ea19b83d15e77fd3212f927ba5601f3cb58d8", kill_on_drop: false }`
[INFO] [stderr]  Documenting rubber-stamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "6dd5048e0c9be49170b78e73d09ea19b83d15e77fd3212f927ba5601f3cb58d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd5048e0c9be49170b78e73d09ea19b83d15e77fd3212f927ba5601f3cb58d8", kill_on_drop: false }`
[INFO] [stdout] 6dd5048e0c9be49170b78e73d09ea19b83d15e77fd3212f927ba5601f3cb58d8