[INFO] fetching crate futures-dns 0.0.0...
[INFO] documenting futures-dns-0.0.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate futures-dns 0.0.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate futures-dns 0.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-dns 0.0.0
[INFO] finished tweaking crates.io crate futures-dns 0.0.0
[INFO] tweaked toml for crates.io crate futures-dns 0.0.0 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6744dfcd22c51d0c7d5359c560a7b30518e530f035bef4bab767b64f260f4ae
[INFO] running `Command { std: "docker" "start" "-a" "c6744dfcd22c51d0c7d5359c560a7b30518e530f035bef4bab767b64f260f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6744dfcd22c51d0c7d5359c560a7b30518e530f035bef4bab767b64f260f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6744dfcd22c51d0c7d5359c560a7b30518e530f035bef4bab767b64f260f4ae", kill_on_drop: false }`
[INFO] [stdout] c6744dfcd22c51d0c7d5359c560a7b30518e530f035bef4bab767b64f260f4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64d92d50d40fe570a53d3afa4acd140aa47b88a4272a87888e8abbe0a045ffbb
[INFO] running `Command { std: "docker" "start" "-a" "64d92d50d40fe570a53d3afa4acd140aa47b88a4272a87888e8abbe0a045ffbb", kill_on_drop: false }`
[INFO] [stderr]  Documenting futures-dns v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |   //! ```
[INFO] [stdout]   |  _____^
[INFO] [stdout] 6 | | //! // tbi
[INFO] [stdout] 7 | | //! ```
[INFO] [stdout]   | |_______^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]   |
[INFO] [stdout] 5 | //! ```text
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "64d92d50d40fe570a53d3afa4acd140aa47b88a4272a87888e8abbe0a045ffbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d92d50d40fe570a53d3afa4acd140aa47b88a4272a87888e8abbe0a045ffbb", kill_on_drop: false }`
[INFO] [stdout] 64d92d50d40fe570a53d3afa4acd140aa47b88a4272a87888e8abbe0a045ffbb
