[INFO] fetching crate walkdir 2.3.1...
[INFO] documenting walkdir-2.3.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate walkdir 2.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate walkdir 2.3.1 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walkdir 2.3.1
[INFO] finished tweaking crates.io crate walkdir 2.3.1
[INFO] tweaked toml for crates.io crate walkdir 2.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1935267f62ca41c6b5741a7da28d867c379c9ccd5cf707afdb9c981abf7166d4
[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" "1935267f62ca41c6b5741a7da28d867c379c9ccd5cf707afdb9c981abf7166d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1935267f62ca41c6b5741a7da28d867c379c9ccd5cf707afdb9c981abf7166d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1935267f62ca41c6b5741a7da28d867c379c9ccd5cf707afdb9c981abf7166d4", kill_on_drop: false }`
[INFO] [stdout] 1935267f62ca41c6b5741a7da28d867c379c9ccd5cf707afdb9c981abf7166d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53f0e5e93157ffe75e64d2269d00944bd08d2ed28240af5914dcac7ba11e859d
[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" "53f0e5e93157ffe75e64d2269d00944bd08d2ed28240af5914dcac7ba11e859d", kill_on_drop: false }`
[INFO] [stderr]  Documenting walkdir v2.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stdout]    --> src/error.rs:85:5
[INFO] [stdout]     |
[INFO] [stdout] 85  | /     /// Inspect the original [`io::Error`] if there is one.
[INFO] [stdout] 86  | |     ///
[INFO] [stdout] 87  | |     /// [`None`] is returned if the [`Error`] doesn't correspond to an
[INFO] [stdout] 88  | |     /// [`io::Error`]. This might happen, for example, when the error was
[INFO] [stdout] ...   |
[INFO] [stdout] 141 | |     /// [`into_io_error`]: struct.Error.html#method.into_io_error
[INFO] [stdout] 142 | |     /// [impl]: struct.Error.html#impl-From%3CError%3E
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stdout]    --> src/lib.rs:380:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | /     /// Set a function for sorting directory entries.
[INFO] [stdout] 381 | |     ///
[INFO] [stdout] 382 | |     /// If a compare function is set, the resulting iterator will return all
[INFO] [stdout] 383 | |     /// paths in sorted order. The compare function will be called to compare
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | |     /// WalkDir::new("foo").sort_by(|a,b| a.file_name().cmp(b.file_name()));
[INFO] [stdout] 392 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "53f0e5e93157ffe75e64d2269d00944bd08d2ed28240af5914dcac7ba11e859d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53f0e5e93157ffe75e64d2269d00944bd08d2ed28240af5914dcac7ba11e859d", kill_on_drop: false }`
[INFO] [stdout] 53f0e5e93157ffe75e64d2269d00944bd08d2ed28240af5914dcac7ba11e859d