[INFO] fetching crate nuts 0.2.1...
[INFO] documenting nuts-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate nuts 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nuts 0.2.1 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 nuts 0.2.1
[INFO] finished tweaking crates.io crate nuts 0.2.1
[INFO] tweaked toml for crates.io crate nuts 0.2.1 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e23e962c8b84d7abab5c678fbcc8cfb9693fe58cbcb1529cefcbe42306750927
[INFO] running `Command { std: "docker" "start" "-a" "e23e962c8b84d7abab5c678fbcc8cfb9693fe58cbcb1529cefcbe42306750927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e23e962c8b84d7abab5c678fbcc8cfb9693fe58cbcb1529cefcbe42306750927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23e962c8b84d7abab5c678fbcc8cfb9693fe58cbcb1529cefcbe42306750927", kill_on_drop: false }`
[INFO] [stdout] e23e962c8b84d7abab5c678fbcc8cfb9693fe58cbcb1529cefcbe42306750927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 92da70669b09aefc25532015cd86f6e69638e9d01427cd808b21f7052c7e69df
[INFO] running `Command { std: "docker" "start" "-a" "92da70669b09aefc25532015cd86f6e69638e9d01427cd808b21f7052c7e69df", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `file_path`
[INFO] [stdout]   --> build.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     file_path: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Snippet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> build.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting nuts v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "92da70669b09aefc25532015cd86f6e69638e9d01427cd808b21f7052c7e69df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92da70669b09aefc25532015cd86f6e69638e9d01427cd808b21f7052c7e69df", kill_on_drop: false }`
[INFO] [stdout] 92da70669b09aefc25532015cd86f6e69638e9d01427cd808b21f7052c7e69df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 337c8bdc3e6c4bc1f6932777f904dab8b8c94c549aee23f760a5536c6e0e3443
[INFO] running `Command { std: "docker" "start" "-a" "337c8bdc3e6c4bc1f6932777f904dab8b8c94c549aee23f760a5536c6e0e3443", kill_on_drop: false }`
[INFO] [stderr]    Compiling nuts v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `file_path`
[INFO] [stdout]   --> build.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     file_path: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Snippet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> build.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting nuts v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "337c8bdc3e6c4bc1f6932777f904dab8b8c94c549aee23f760a5536c6e0e3443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337c8bdc3e6c4bc1f6932777f904dab8b8c94c549aee23f760a5536c6e0e3443", kill_on_drop: false }`
[INFO] [stdout] 337c8bdc3e6c4bc1f6932777f904dab8b8c94c549aee23f760a5536c6e0e3443