[INFO] fetching crate buf-min 0.6.1...
[INFO] documenting buf-min-0.6.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate buf-min 0.6.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate buf-min 0.6.1 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 buf-min 0.6.1
[INFO] finished tweaking crates.io crate buf-min 0.6.1
[INFO] tweaked toml for crates.io crate buf-min 0.6.1 written to /workspace/builds/worker-13/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]  Downloading crates ...
[INFO] [stderr]   Downloaded ntex-bytes v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4ffce964d883a9d27be1d0ea536488020bb5dbed5bc6d665a21eb0e5538c6ab4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ffce964d883a9d27be1d0ea536488020bb5dbed5bc6d665a21eb0e5538c6ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ffce964d883a9d27be1d0ea536488020bb5dbed5bc6d665a21eb0e5538c6ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffce964d883a9d27be1d0ea536488020bb5dbed5bc6d665a21eb0e5538c6ab4", kill_on_drop: false }`
[INFO] [stdout] 4ffce964d883a9d27be1d0ea536488020bb5dbed5bc6d665a21eb0e5538c6ab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 23356f47a291f64e1834e225aab3cb36d15e11f1d60ece2f7f51f64f23d61451
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23356f47a291f64e1834e225aab3cb36d15e11f1d60ece2f7f51f64f23d61451", kill_on_drop: false }`
[INFO] [stderr]  Documenting buf-min v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "23356f47a291f64e1834e225aab3cb36d15e11f1d60ece2f7f51f64f23d61451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23356f47a291f64e1834e225aab3cb36d15e11f1d60ece2f7f51f64f23d61451", kill_on_drop: false }`
[INFO] [stdout] 23356f47a291f64e1834e225aab3cb36d15e11f1d60ece2f7f51f64f23d61451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "--features" "bytes-buf-tokio3 ntex" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 12b525788b9d7b7bdd9cc86bff4cdcd1ae810f66d92ae5087f5ffd2b77b33bae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12b525788b9d7b7bdd9cc86bff4cdcd1ae810f66d92ae5087f5ffd2b77b33bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking ntex-bytes v0.1.14
[INFO] [stderr]  Documenting buf-min v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "12b525788b9d7b7bdd9cc86bff4cdcd1ae810f66d92ae5087f5ffd2b77b33bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b525788b9d7b7bdd9cc86bff4cdcd1ae810f66d92ae5087f5ffd2b77b33bae", kill_on_drop: false }`
[INFO] [stdout] 12b525788b9d7b7bdd9cc86bff4cdcd1ae810f66d92ae5087f5ffd2b77b33bae