[INFO] fetching crate io-arc 1.0.0...
[INFO] documenting io-arc-1.0.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate io-arc 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate io-arc 1.0.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-arc 1.0.0
[INFO] finished tweaking crates.io crate io-arc 1.0.0
[INFO] tweaked toml for crates.io crate io-arc 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", 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] fdc2c08bd7a800f5e44039354af708487f2904edbf3c8f7198e22de0274c1f33
[INFO] running `Command { std: "docker" "start" "-a" "fdc2c08bd7a800f5e44039354af708487f2904edbf3c8f7198e22de0274c1f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc2c08bd7a800f5e44039354af708487f2904edbf3c8f7198e22de0274c1f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc2c08bd7a800f5e44039354af708487f2904edbf3c8f7198e22de0274c1f33", kill_on_drop: false }`
[INFO] [stdout] fdc2c08bd7a800f5e44039354af708487f2904edbf3c8f7198e22de0274c1f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be5eb49eda3489986d7d144f49819abff9f908a8c8aca152c50152891a26f57
[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" "9be5eb49eda3489986d7d144f49819abff9f908a8c8aca152c50152891a26f57", kill_on_drop: false }`
[INFO] [stderr]  Documenting io-arc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | /// A variant of `Arc` that delegates IO traits if available on `&T`.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![warn(missing_docs, missing_doc_code_examples, unreachable_pub)]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct IoArc<T>(Arc<T>);
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / impl<T> IoArc<T> {
[INFO] [stdout] 39 | |     /// Create a new instance of IoArc.
[INFO] [stdout] 40 | |     pub fn new(data: T) -> Self {
[INFO] [stdout] 41 | |         Self(Arc::new(data))
[INFO] [stdout] 42 | |     }
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     /// Create a new instance of IoArc.
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<T> Unpin for IoArc<T> {}
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / impl<T> AsRef<T> for IoArc<T> {
[INFO] [stdout] 120 | |     fn as_ref(&self) -> &T {
[INFO] [stdout] 121 | |         self.0.as_ref()
[INFO] [stdout] 122 | |     }
[INFO] [stdout] 123 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     fn as_ref(&self) -> &T {
[INFO] [stdout] 121 | |         self.0.as_ref()
[INFO] [stdout] 122 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | / impl<T> From<T> for IoArc<T> {
[INFO] [stdout] 108 | |     fn from(t: T) -> Self {
[INFO] [stdout] 109 | |         Self::new(t)
[INFO] [stdout] 110 | |     }
[INFO] [stdout] 111 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | /     fn from(t: T) -> Self {
[INFO] [stdout] 109 | |         Self::new(t)
[INFO] [stdout] 110 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | / impl<T> Clone for IoArc<T> {
[INFO] [stdout] 128 | |     fn clone(&self) -> Self {
[INFO] [stdout] 129 | |         Self(self.0.clone())
[INFO] [stdout] 130 | |     }
[INFO] [stdout] 131 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | /     fn clone(&self) -> Self {
[INFO] [stdout] 129 | |         Self(self.0.clone())
[INFO] [stdout] 130 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:101:1
[INFO] [stdout]     |
[INFO] [stdout] 101 | / impl<T: Default> Default for IoArc<T> {
[INFO] [stdout] 102 | |     fn default() -> Self {
[INFO] [stdout] 103 | |         Self::new(Default::default())
[INFO] [stdout] 104 | |     }
[INFO] [stdout] 105 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | /     fn default() -> Self {
[INFO] [stdout] 103 | |         Self::new(Default::default())
[INFO] [stdout] 104 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | / impl<T> Borrow<T> for IoArc<T> {
[INFO] [stdout] 114 | |     fn borrow(&self) -> &T {
[INFO] [stdout] 115 | |         self.0.borrow()
[INFO] [stdout] 116 | |     }
[INFO] [stdout] 117 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]    --> src/lib.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | /     fn borrow(&self) -> &T {
[INFO] [stdout] 115 | |         self.0.borrow()
[INFO] [stdout] 116 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | / impl<T> Read for IoArc<T>
[INFO] [stdout] 46 | | where
[INFO] [stdout] 47 | |     for<'a> &'a T: Read,
[INFO] [stdout] 48 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |     }
[INFO] [stdout] 52 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout] 50 | |         (&mut &*self.0).read(buf)
[INFO] [stdout] 51 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | / impl<T> Write for IoArc<T>
[INFO] [stdout] 55 | | where
[INFO] [stdout] 56 | |     for<'a> &'a T: Write,
[INFO] [stdout] 57 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 64 | |     }
[INFO] [stdout] 65 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | /     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
[INFO] [stdout] 59 | |         (&mut &*self.0).write(buf)
[INFO] [stdout] 60 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | /     fn flush(&mut self) -> io::Result<()> {
[INFO] [stdout] 63 | |         (&mut &*self.0).flush()
[INFO] [stdout] 64 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | / impl<T> AsyncRead for IoArc<T>
[INFO] [stdout] 68 | | where
[INFO] [stdout] 69 | |     for<'a> &'a T: AsyncRead,
[INFO] [stdout] 70 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     }
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 | /     fn poll_read(
[INFO] [stdout] 72 | |         self: Pin<&mut Self>,
[INFO] [stdout] 73 | |         cx: &mut Context<'_>,
[INFO] [stdout] 74 | |         buf: &mut [u8],
[INFO] [stdout] 75 | |     ) -> Poll<io::Result<usize>> {
[INFO] [stdout] 76 | |         Pin::new(&mut &*self.0).poll_read(cx, buf)
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | / impl<T> AsyncWrite for IoArc<T>
[INFO] [stdout] 81 | | where
[INFO] [stdout] 82 | |     for<'a> &'a T: AsyncWrite,
[INFO] [stdout] 83 | | {
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | |     }
[INFO] [stdout] 99 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     fn poll_write(
[INFO] [stdout] 85 | |         self: Pin<&mut Self>,
[INFO] [stdout] 86 | |         cx: &mut Context<'_>,
[INFO] [stdout] 87 | |         buf: &[u8],
[INFO] [stdout] 88 | |     ) -> Poll<io::Result<usize>> {
[INFO] [stdout] 89 | |         Pin::new(&mut &*self.0).poll_write(cx, buf)
[INFO] [stdout] 90 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | /     fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout] 93 | |         Pin::new(&mut &*self.0).poll_flush(cx)
[INFO] [stdout] 94 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing code example in this documentation
[INFO] [stdout]   --> src/lib.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | /     fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout] 97 | |         Pin::new(&mut &*self.0).poll_close(cx)
[INFO] [stdout] 98 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "9be5eb49eda3489986d7d144f49819abff9f908a8c8aca152c50152891a26f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be5eb49eda3489986d7d144f49819abff9f908a8c8aca152c50152891a26f57", kill_on_drop: false }`
[INFO] [stdout] 9be5eb49eda3489986d7d144f49819abff9f908a8c8aca152c50152891a26f57