[INFO] fetching crate bufferino 0.0.1...
[INFO] documenting bufferino-0.0.1 against 1.86.0 for beta-1.87-rustdoc-1
[INFO] extracting crate bufferino 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bufferino 0.0.1 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bufferino 0.0.1
[INFO] finished tweaking crates.io crate bufferino 0.0.1
[INFO] tweaked toml for crates.io crate bufferino 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate bufferino 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320a41ee1cb43fadea64c0e4ded34b8417f0cd36db41e96b1357f6378f40a41a
[INFO] running `Command { std: "docker" "start" "-a" "320a41ee1cb43fadea64c0e4ded34b8417f0cd36db41e96b1357f6378f40a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320a41ee1cb43fadea64c0e4ded34b8417f0cd36db41e96b1357f6378f40a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320a41ee1cb43fadea64c0e4ded34b8417f0cd36db41e96b1357f6378f40a41a", kill_on_drop: false }`
[INFO] [stdout] 320a41ee1cb43fadea64c0e4ded34b8417f0cd36db41e96b1357f6378f40a41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e205eb8565cf2ad1df90126e95ba0a209eb8718e46170b1408bd9b10e0481f
[INFO] running `Command { std: "docker" "start" "-a" "32e205eb8565cf2ad1df90126e95ba0a209eb8718e46170b1408bd9b10e0481f", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling bufferino v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bufferino v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bufferino/index.html
[INFO] running `Command { std: "docker" "inspect" "32e205eb8565cf2ad1df90126e95ba0a209eb8718e46170b1408bd9b10e0481f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e205eb8565cf2ad1df90126e95ba0a209eb8718e46170b1408bd9b10e0481f", kill_on_drop: false }`
[INFO] [stdout] 32e205eb8565cf2ad1df90126e95ba0a209eb8718e46170b1408bd9b10e0481f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673c39337acd8e1047d386303c95476c1da1be42ef8b55905eba9f6977d638d6
[INFO] running `Command { std: "docker" "start" "-a" "673c39337acd8e1047d386303c95476c1da1be42ef8b55905eba9f6977d638d6", kill_on_drop: false }`
[INFO] [stderr]  Documenting bufferino v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/bufferino/index.html
[INFO] running `Command { std: "docker" "inspect" "673c39337acd8e1047d386303c95476c1da1be42ef8b55905eba9f6977d638d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673c39337acd8e1047d386303c95476c1da1be42ef8b55905eba9f6977d638d6", kill_on_drop: false }`
[INFO] [stdout] 673c39337acd8e1047d386303c95476c1da1be42ef8b55905eba9f6977d638d6