[INFO] fetching crate diskit 0.1.4...
[INFO] documenting diskit-0.1.4 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate diskit 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate diskit 0.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diskit 0.1.4
[INFO] finished tweaking crates.io crate diskit 0.1.4
[INFO] tweaked toml for crates.io crate diskit 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trash v3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd6ac7b5560fbf2604b96ba9ac0280b3286a5e7717b73dff494362fc4c973fb2
[INFO] running `Command { std: "docker" "start" "-a" "dd6ac7b5560fbf2604b96ba9ac0280b3286a5e7717b73dff494362fc4c973fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd6ac7b5560fbf2604b96ba9ac0280b3286a5e7717b73dff494362fc4c973fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6ac7b5560fbf2604b96ba9ac0280b3286a5e7717b73dff494362fc4c973fb2", kill_on_drop: false }`
[INFO] [stdout] dd6ac7b5560fbf2604b96ba9ac0280b3286a5e7717b73dff494362fc4c973fb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7ff04550bd83183b13d78a3454c1de508057419cdc7030bfe7bf03538ddce2
[INFO] running `Command { std: "docker" "start" "-a" "fe7ff04550bd83183b13d78a3454c1de508057419cdc7030bfe7bf03538ddce2", kill_on_drop: false }`
[INFO] [stderr]  Documenting diskit v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | #![feature(io_error_more)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/dir_entry.rs:78:22
[INFO] [stdout]    |
[INFO] [stdout] 78 |     /// [`Metadata`](crate::metadata::Metadata) for more information.
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout]    = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 78 |     /// [`Metadata`] for more information.
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/dir_entry.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |     /// [`FileType`](crate::metadata::FileType) for more information.
[INFO] [stdout]    |          ----------  ^^^^^^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |          |
[INFO] [stdout]    |          because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 88 |     /// [`FileType`] for more information.
[INFO] [stdout]    |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/diskit.rs:144:39
[INFO] [stdout]     |
[INFO] [stdout] 144 |     /// implementation of [`WalkDir`](crate::walkdir::WalkDir) and
[INFO] [stdout]     |                            ---------  ^^^^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 144 |     /// implementation of [`WalkDir`] and
[INFO] [stdout]     |                           ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/diskit.rs:153:45
[INFO] [stdout]     |
[INFO] [stdout] 153 |     /// Gets the next file in a [`WalkDir`](crate::walkdir::WalkDir)
[INFO] [stdout]     |                                  ---------  ^^^^^^^^^^^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 153 |     /// Gets the next file in a [`WalkDir`]
[INFO] [stdout]     |                                 ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/diskit_extend.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// [`Diskit`](crate::Diskit).  Please refer to it's documentation.
[INFO] [stdout]    |      --------  ^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |      |
[INFO] [stdout]    |      because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 22 | /// [`Diskit`].  Please refer to it's documentation.
[INFO] [stdout]    |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/file.rs:15:60
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// This is the struct which the methods of the [`Diskit`](crate::Diskit)
[INFO] [stdout]    |                                                  --------  ^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// This is the struct which the methods of the [`Diskit`]
[INFO] [stdout]    |                                                 ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/file.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// your type that implements [`Diskit`](crate::Diskit) and make this
[INFO] [stdout]    |                                --------  ^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// your type that implements [`Diskit`] and make this
[INFO] [stdout]    |                               ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/log_diskit.rs:672:26
[INFO] [stdout]     |
[INFO] [stdout] 672 | /// function [`println`](println)s all messages.
[INFO] [stdout]     |               ---------  ^^^^^^^ explicit target is redundant
[INFO] [stdout]     |               |
[INFO] [stdout]     |               because label contains path that resolves to same destination
[INFO] [stdout]     |
[INFO] [stdout]     = note: when a link's destination is not specified,
[INFO] [stdout]             the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]     |
[INFO] [stdout] 672 | /// function [`println`]s all messages.
[INFO] [stdout]     |              ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/walkdir.rs:73:60
[INFO] [stdout]    |
[INFO] [stdout] 73 | /// This is the struct which the methods of the [`Diskit`](crate::Diskit)
[INFO] [stdout]    |                                                  --------  ^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 73 | /// This is the struct which the methods of the [`Diskit`]
[INFO] [stdout]    |                                                 ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/walkdir.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 | /// your type that implements [`Diskit`](crate::Diskit) and make this
[INFO] [stdout]    |                                --------  ^^^^^^^^^^^^^ explicit target is redundant
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                because label contains path that resolves to same destination
[INFO] [stdout]    |
[INFO] [stdout]    = note: when a link's destination is not specified,
[INFO] [stdout]            the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]    |
[INFO] [stdout] 82 | /// your type that implements [`Diskit`] and make this
[INFO] [stdout]    |                               ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `diskit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name diskit src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6b0e8bb3a963cde5 -L dependency=/opt/rustwide/target/debug/deps --extern either=/opt/rustwide/target/debug/deps/libeither-c414ff779698d661.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-0098779221708706.rmeta --cap-lints=warn --crate-version 0.1.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fe7ff04550bd83183b13d78a3454c1de508057419cdc7030bfe7bf03538ddce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7ff04550bd83183b13d78a3454c1de508057419cdc7030bfe7bf03538ddce2", kill_on_drop: false }`
[INFO] [stdout] fe7ff04550bd83183b13d78a3454c1de508057419cdc7030bfe7bf03538ddce2
