[INFO] fetching crate futures-preview 0.3.0-alpha.19...
[INFO] documenting futures-preview-0.3.0-alpha.19 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 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 futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-3-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 futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] affdb5b971064783d31360f1b8d4d75e6ba55f82161ea9950a01d9a2f0f34e9c
[INFO] running `Command { std: "docker" "start" "-a" "affdb5b971064783d31360f1b8d4d75e6ba55f82161ea9950a01d9a2f0f34e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "affdb5b971064783d31360f1b8d4d75e6ba55f82161ea9950a01d9a2f0f34e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "affdb5b971064783d31360f1b8d4d75e6ba55f82161ea9950a01d9a2f0f34e9c", kill_on_drop: false }`
[INFO] [stdout] affdb5b971064783d31360f1b8d4d75e6ba55f82161ea9950a01d9a2f0f34e9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 496d7f4a988cdfb2bf172580868fb207ee802c1fdabd41179f2499cba03bfd18
[INFO] running `Command { std: "docker" "start" "-a" "496d7f4a988cdfb2bf172580868fb207ee802c1fdabd41179f2499cba03bfd18", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]  Documenting futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 |     //! - [oneshot](crate::channel::oneshot), a way of sending a single value
[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] 89 |     //! - [oneshot], a way of sending a single value
[INFO] [stdout]    |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     //! - [mpsc](crate::channel::mpsc), a multi-producer, single-consumer
[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] 91 |     //! - [mpsc], a multi-producer, single-consumer
[INFO] [stdout]    |           ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |     //! [`LocalPool`](crate::executor::LocalPool) executor. Aside from cutting
[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] 178 |     //! [`LocalPool`] executor. Aside from cutting
[INFO] [stdout]     |         ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:186:22
[INFO] [stdout]     |
[INFO] [stdout] 186 |     //! [`block_on`](crate::executor::block_on), for simply running a future to
[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] 186 |     //! [`block_on`], for simply running a future to
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:205:29
[INFO] [stdout]     |
[INFO] [stdout] 205 |     //! - The [`FutureExt`](crate::future::FutureExt) trait, which provides
[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] 205 |     //! - The [`FutureExt`] trait, which provides
[INFO] [stdout]     |               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:207:54
[INFO] [stdout]     |
[INFO] [stdout] 207 |     //! - Top-level future combinators like [`lazy`](crate::future::lazy) which
[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] 207 |     //! - Top-level future combinators like [`lazy`] which
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |     //!   [`ready`](crate::future::ready), which constructs a future with an
[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] 209 |     //!   [`ready`], which constructs a future with an
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:282:31
[INFO] [stdout]     |
[INFO] [stdout] 282 |     //! traits, [`AsyncRead`](crate::io::AsyncRead),
[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] 282 |     //! traits, [`AsyncRead`],
[INFO] [stdout]     |                 ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:283:24
[INFO] [stdout]     |
[INFO] [stdout] 283 |     //! [`AsyncWrite`](crate::io::AsyncWrite),
[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] 283 |     //! [`AsyncWrite`],
[INFO] [stdout]     |         ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |     //! [`AsyncSeek`](crate::io::AsyncSeek), 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] 284 |     //! [`AsyncSeek`], and
[INFO] [stdout]     |         ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:285:26
[INFO] [stdout]     |
[INFO] [stdout] 285 |     //! [`AsyncBufRead`](crate::io::AsyncBufRead), which mirror the `Read`,
[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] 285 |     //! [`AsyncBufRead`], which mirror the `Read`,
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:292:43
[INFO] [stdout]     |
[INFO] [stdout] 292 |     //! In addition, the [`AsyncReadExt`](crate::io::AsyncReadExt),
[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] 292 |     //! In addition, the [`AsyncReadExt`],
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 |     //! [`AsyncWriteExt`](crate::io::AsyncWriteExt),
[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] 293 |     //! [`AsyncWriteExt`],
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:294:26
[INFO] [stdout]     |
[INFO] [stdout] 294 |     //! [`AsyncSeekExt`](crate::io::AsyncSeekExt), 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] 294 |     //! [`AsyncSeekExt`], and
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |     //! [`AsyncBufReadExt`](crate::io::AsyncBufReadExt) extension traits offer a
[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] 295 |     //! [`AsyncBufReadExt`] extension traits offer a
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:382:27
[INFO] [stdout]     |
[INFO] [stdout] 382 |     //! - The [`SinkExt`](crate::sink::SinkExt) trait, which provides adapters
[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] 382 |     //! - The [`SinkExt`] trait, which provides adapters
[INFO] [stdout]     |               ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:404:29
[INFO] [stdout]     |
[INFO] [stdout] 404 |     //! - The [`StreamExt`](crate::stream::StreamExt) trait, which provides
[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] 404 |     //! - The [`StreamExt`] trait, which provides
[INFO] [stdout]     |               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:406:54
[INFO] [stdout]     |
[INFO] [stdout] 406 |     //! - Top-level stream contructors like [`iter`](crate::stream::iter)
[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] 406 |     //! - Top-level stream contructors like [`iter`]
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |     //! - [`Spawn`](crate::task::Spawn), a trait for spawning new tasks.
[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] 489 |     //! - [`Spawn`], a trait for spawning new tasks.
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |     //! - [`Context`](crate::task::Context), a context of an asynchronous task,
[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] 490 |     //! - [`Context`], a context of an asynchronous task,
[INFO] [stdout]     |           ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |     //! - [`Waker`](crate::task::Waker), a handle for waking up a task.
[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] 492 |     //! - [`Waker`], a handle for waking up a task.
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/futures/index.html
[INFO] running `Command { std: "docker" "inspect" "496d7f4a988cdfb2bf172580868fb207ee802c1fdabd41179f2499cba03bfd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496d7f4a988cdfb2bf172580868fb207ee802c1fdabd41179f2499cba03bfd18", kill_on_drop: false }`
[INFO] [stdout] 496d7f4a988cdfb2bf172580868fb207ee802c1fdabd41179f2499cba03bfd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47bdc13f77ed3247064e6b34d567b87e1a47e940ebb5b424d49d51f8dc5c40d8
[INFO] running `Command { std: "docker" "start" "-a" "47bdc13f77ed3247064e6b34d567b87e1a47e940ebb5b424d49d51f8dc5c40d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stdout] error[E0432]: unresolved import `io::Initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub use io::Initializer as Initializer;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "read_initializer", feature(read_initializer))]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 386 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:613:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 390 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:613:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-io-preview` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "47bdc13f77ed3247064e6b34d567b87e1a47e940ebb5b424d49d51f8dc5c40d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bdc13f77ed3247064e6b34d567b87e1a47e940ebb5b424d49d51f8dc5c40d8", kill_on_drop: false }`
[INFO] [stdout] 47bdc13f77ed3247064e6b34d567b87e1a47e940ebb5b424d49d51f8dc5c40d8
[INFO] documenting futures-preview-0.3.0-alpha.19 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] extracting crate futures-preview 0.3.0-alpha.19 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate futures-preview 0.3.0-alpha.19 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-preview 0.3.0-alpha.19 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7370cf056d376045cdc434e54456b6cfced87a21c81f6018c0faa32408b3ba82
[INFO] running `Command { std: "docker" "start" "-a" "7370cf056d376045cdc434e54456b6cfced87a21c81f6018c0faa32408b3ba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7370cf056d376045cdc434e54456b6cfced87a21c81f6018c0faa32408b3ba82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7370cf056d376045cdc434e54456b6cfced87a21c81f6018c0faa32408b3ba82", kill_on_drop: false }`
[INFO] [stdout] 7370cf056d376045cdc434e54456b6cfced87a21c81f6018c0faa32408b3ba82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81fca5499e34bd84139be43a3823403a7b64fb26cf40e921a1f84da768dcca28
[INFO] running `Command { std: "docker" "start" "-a" "81fca5499e34bd84139be43a3823403a7b64fb26cf40e921a1f84da768dcca28", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]  Documenting futures-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 |     //! - [oneshot](crate::channel::oneshot), a way of sending a single value
[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] 89 |     //! - [oneshot], a way of sending a single value
[INFO] [stdout]    |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]   --> src/lib.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |     //! - [mpsc](crate::channel::mpsc), a multi-producer, single-consumer
[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] 91 |     //! - [mpsc], a multi-producer, single-consumer
[INFO] [stdout]    |           ~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:178:23
[INFO] [stdout]     |
[INFO] [stdout] 178 |     //! [`LocalPool`](crate::executor::LocalPool) executor. Aside from cutting
[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] 178 |     //! [`LocalPool`] executor. Aside from cutting
[INFO] [stdout]     |         ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:186:22
[INFO] [stdout]     |
[INFO] [stdout] 186 |     //! [`block_on`](crate::executor::block_on), for simply running a future to
[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] 186 |     //! [`block_on`], for simply running a future to
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:205:29
[INFO] [stdout]     |
[INFO] [stdout] 205 |     //! - The [`FutureExt`](crate::future::FutureExt) trait, which provides
[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] 205 |     //! - The [`FutureExt`] trait, which provides
[INFO] [stdout]     |               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:207:54
[INFO] [stdout]     |
[INFO] [stdout] 207 |     //! - Top-level future combinators like [`lazy`](crate::future::lazy) which
[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] 207 |     //! - Top-level future combinators like [`lazy`] which
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:209:21
[INFO] [stdout]     |
[INFO] [stdout] 209 |     //!   [`ready`](crate::future::ready), which constructs a future with an
[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] 209 |     //!   [`ready`], which constructs a future with an
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:282:31
[INFO] [stdout]     |
[INFO] [stdout] 282 |     //! traits, [`AsyncRead`](crate::io::AsyncRead),
[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] 282 |     //! traits, [`AsyncRead`],
[INFO] [stdout]     |                 ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:283:24
[INFO] [stdout]     |
[INFO] [stdout] 283 |     //! [`AsyncWrite`](crate::io::AsyncWrite),
[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] 283 |     //! [`AsyncWrite`],
[INFO] [stdout]     |         ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:284:23
[INFO] [stdout]     |
[INFO] [stdout] 284 |     //! [`AsyncSeek`](crate::io::AsyncSeek), 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] 284 |     //! [`AsyncSeek`], and
[INFO] [stdout]     |         ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:285:26
[INFO] [stdout]     |
[INFO] [stdout] 285 |     //! [`AsyncBufRead`](crate::io::AsyncBufRead), which mirror the `Read`,
[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] 285 |     //! [`AsyncBufRead`], which mirror the `Read`,
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:292:43
[INFO] [stdout]     |
[INFO] [stdout] 292 |     //! In addition, the [`AsyncReadExt`](crate::io::AsyncReadExt),
[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] 292 |     //! In addition, the [`AsyncReadExt`],
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:293:27
[INFO] [stdout]     |
[INFO] [stdout] 293 |     //! [`AsyncWriteExt`](crate::io::AsyncWriteExt),
[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] 293 |     //! [`AsyncWriteExt`],
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:294:26
[INFO] [stdout]     |
[INFO] [stdout] 294 |     //! [`AsyncSeekExt`](crate::io::AsyncSeekExt), 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] 294 |     //! [`AsyncSeekExt`], and
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:295:29
[INFO] [stdout]     |
[INFO] [stdout] 295 |     //! [`AsyncBufReadExt`](crate::io::AsyncBufReadExt) extension traits offer a
[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] 295 |     //! [`AsyncBufReadExt`] extension traits offer a
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:382:27
[INFO] [stdout]     |
[INFO] [stdout] 382 |     //! - The [`SinkExt`](crate::sink::SinkExt) trait, which provides adapters
[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] 382 |     //! - The [`SinkExt`] trait, which provides adapters
[INFO] [stdout]     |               ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:404:29
[INFO] [stdout]     |
[INFO] [stdout] 404 |     //! - The [`StreamExt`](crate::stream::StreamExt) trait, which provides
[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] 404 |     //! - The [`StreamExt`] trait, which provides
[INFO] [stdout]     |               ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:406:54
[INFO] [stdout]     |
[INFO] [stdout] 406 |     //! - Top-level stream contructors like [`iter`](crate::stream::iter)
[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] 406 |     //! - Top-level stream contructors like [`iter`]
[INFO] [stdout]     |                                             ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:489:21
[INFO] [stdout]     |
[INFO] [stdout] 489 |     //! - [`Spawn`](crate::task::Spawn), a trait for spawning new tasks.
[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] 489 |     //! - [`Spawn`], a trait for spawning new tasks.
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:490:23
[INFO] [stdout]     |
[INFO] [stdout] 490 |     //! - [`Context`](crate::task::Context), a context of an asynchronous task,
[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] 490 |     //! - [`Context`], a context of an asynchronous task,
[INFO] [stdout]     |           ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]    --> src/lib.rs:492:21
[INFO] [stdout]     |
[INFO] [stdout] 492 |     //! - [`Waker`](crate::task::Waker), a handle for waking up a task.
[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] 492 |     //! - [`Waker`], a handle for waking up a task.
[INFO] [stdout]     |           ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/futures/index.html
[INFO] running `Command { std: "docker" "inspect" "81fca5499e34bd84139be43a3823403a7b64fb26cf40e921a1f84da768dcca28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fca5499e34bd84139be43a3823403a7b64fb26cf40e921a1f84da768dcca28", kill_on_drop: false }`
[INFO] [stdout] 81fca5499e34bd84139be43a3823403a7b64fb26cf40e921a1f84da768dcca28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3869ac7f647e21e132df97fb9ed0734640d3d818b7e7122953713ab80aaf8668
[INFO] running `Command { std: "docker" "start" "-a" "3869ac7f647e21e132df97fb9ed0734640d3d818b7e7122953713ab80aaf8668", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stdout] error[E0432]: unresolved import `io::Initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub use io::Initializer as Initializer;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:11:51
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![cfg_attr(feature = "read_initializer", feature(read_initializer))]
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 386 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:661:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the function or associated item `initializer` exists for trait object `dyn Read`, but its trait bounds were not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:368:27
[INFO] [stdout]     |
[INFO] [stdout] 368 |                 io::Read::initializer(self)
[INFO] [stdout]     |                           ^^^^^^^^^^^ function or associated item cannot be called on `dyn Read` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 390 |         delegate_async_read_to_stdio!();
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]    --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:661:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: AsyncRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: doesn't satisfy `dyn std::io::Read: Unpin`
[INFO] [stdout]     |
[INFO] [stdout] note: the following trait bounds were not satisfied:
[INFO] [stdout]       `dyn std::io::Read: AsyncRead`
[INFO] [stdout]       `dyn std::io::Read: Unpin`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-io-preview-0.3.0-alpha.19/src/lib.rs:337:22
[INFO] [stdout]     |
[INFO] [stdout] 337 |     impl<T: ?Sized + AsyncRead + Unpin> AsyncRead for &mut T {
[INFO] [stdout]     |                      ^^^^^^^^^   ^^^^^  ---------     ------
[INFO] [stdout]     |                      |           |
[INFO] [stdout]     |                      |           unsatisfied trait bound introduced here
[INFO] [stdout]     |                      unsatisfied trait bound introduced here
[INFO] [stdout]     = note: this error originates in the macro `delegate_async_read_to_stdio` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-io-preview` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3869ac7f647e21e132df97fb9ed0734640d3d818b7e7122953713ab80aaf8668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3869ac7f647e21e132df97fb9ed0734640d3d818b7e7122953713ab80aaf8668", kill_on_drop: false }`
[INFO] [stdout] 3869ac7f647e21e132df97fb9ed0734640d3d818b7e7122953713ab80aaf8668
