[INFO] fetching crate dfconfig 0.2.0...
[INFO] documenting dfconfig-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dfconfig 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dfconfig 0.2.0 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 dfconfig 0.2.0
[INFO] finished tweaking crates.io crate dfconfig 0.2.0
[INFO] tweaked toml for crates.io crate dfconfig 0.2.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 500d4fb589595c394a1fe5501ad7fdf3a113d982770d455b9ea3342447c52a19
[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" "500d4fb589595c394a1fe5501ad7fdf3a113d982770d455b9ea3342447c52a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500d4fb589595c394a1fe5501ad7fdf3a113d982770d455b9ea3342447c52a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500d4fb589595c394a1fe5501ad7fdf3a113d982770d455b9ea3342447c52a19", kill_on_drop: false }`
[INFO] [stdout] 500d4fb589595c394a1fe5501ad7fdf3a113d982770d455b9ea3342447c52a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8da8232cb795f5f5eea39cf4b6d2213fcafa5766f3b61299fdd87c592df986a9
[INFO] running `Command { std: "docker" "start" "-a" "8da8232cb795f5f5eea39cf4b6d2213fcafa5766f3b61299fdd87c592df986a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]  Documenting dfconfig v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 70 |   #[derive(Clone, Debug)]
[INFO] [stdout] 71 | / pub struct Config {
[INFO] [stdout] 72 | |     lines: Vec<Line>,
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.05s
[INFO] running `Command { std: "docker" "inspect" "8da8232cb795f5f5eea39cf4b6d2213fcafa5766f3b61299fdd87c592df986a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da8232cb795f5f5eea39cf4b6d2213fcafa5766f3b61299fdd87c592df986a9", kill_on_drop: false }`
[INFO] [stdout] 8da8232cb795f5f5eea39cf4b6d2213fcafa5766f3b61299fdd87c592df986a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 686967be60535dcb83493d0d00b1c9f0cf558a3cd904352d4bbcaf7c03097863
[INFO] running `Command { std: "docker" "start" "-a" "686967be60535dcb83493d0d00b1c9f0cf558a3cd904352d4bbcaf7c03097863", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]  Documenting dfconfig v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 70 |   #[derive(Clone, Debug)]
[INFO] [stdout] 71 | / pub struct Config {
[INFO] [stdout] 72 | |     lines: Vec<Line>,
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]    = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "686967be60535dcb83493d0d00b1c9f0cf558a3cd904352d4bbcaf7c03097863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686967be60535dcb83493d0d00b1c9f0cf558a3cd904352d4bbcaf7c03097863", kill_on_drop: false }`
[INFO] [stdout] 686967be60535dcb83493d0d00b1c9f0cf558a3cd904352d4bbcaf7c03097863