[INFO] fetching crate arrsync 0.2.0...
[INFO] documenting arrsync-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate arrsync 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate arrsync 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arrsync 0.2.0
[INFO] finished tweaking crates.io crate arrsync 0.2.0
[INFO] tweaked toml for crates.io crate arrsync 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7871d02b7b206b6ec82890afe7c3fc92cb946c98916294f371ea4665df38d1c
[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" "b7871d02b7b206b6ec82890afe7c3fc92cb946c98916294f371ea4665df38d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7871d02b7b206b6ec82890afe7c3fc92cb946c98916294f371ea4665df38d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7871d02b7b206b6ec82890afe7c3fc92cb946c98916294f371ea4665df38d1c", kill_on_drop: false }`
[INFO] [stdout] b7871d02b7b206b6ec82890afe7c3fc92cb946c98916294f371ea4665df38d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b10c559c44d239bb1f0010dd5200d7aa547df445dcbda343e260299f87f5de19
[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" "b10c559c44d239bb1f0010dd5200d7aa547df445dcbda343e260299f87f5de19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking unix_mode v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking hexdump v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]  Documenting arrsync v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `crate::AsyncRead`
[INFO] [stdout]   --> src/client.rs:79:66
[INFO] [stdout]    |
[INFO] [stdout] 79 |     /// connection. Without calling close, the returned [AsyncRead](crate::AsyncRead) may remain
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ no item named `AsyncRead` in module `arrsync`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `crate::Stats`
[INFO] [stdout]    --> src/client.rs:105:86
[INFO] [stdout]     |
[INFO] [stdout] 105 |     /// Finalizes the connection and returns statistics about the transfer (See [Stats](crate::Stats)).
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^ no item named `Stats` in module `arrsync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.61s
[INFO] running `Command { std: "docker" "inspect" "b10c559c44d239bb1f0010dd5200d7aa547df445dcbda343e260299f87f5de19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10c559c44d239bb1f0010dd5200d7aa547df445dcbda343e260299f87f5de19", kill_on_drop: false }`
[INFO] [stdout] b10c559c44d239bb1f0010dd5200d7aa547df445dcbda343e260299f87f5de19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 1ef20c36fa99a70bcb7cb8742d6e5dc14f44e93f28d4c5288e09811093070068
[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" "1ef20c36fa99a70bcb7cb8742d6e5dc14f44e93f28d4c5288e09811093070068", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unix_mode v0.1.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking hexdump v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]  Documenting arrsync v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]    --> src/client.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let stream = async_stream::stream! { while let Some(item) = data_recv.recv().await { yield item; } };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::async_stream_impl::stream_inner` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `arrsync`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name arrsync src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=d560d4811bc32e16 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-dd9dbea86eb11cb5.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-55bf42e5c208f088.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-3ff2dcaec82f87b7.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-15850d97439854ff.rmeta --extern hexdump=/opt/rustwide/target/debug/deps/libhexdump-85b2191e7740a4b8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0b61054b794719d9.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-e077f71ece01e8fa.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-3075900b86101d22.rmeta --extern unix_mode=/opt/rustwide/target/debug/deps/libunix_mode-5d5d9d37b45dadc6.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ba9206a02be69ed2.rmeta --extern-html-root-url 'anyhow=https://docs.rs/anyhow/1.0.57/' --extern-html-root-url 'async_stream=https://docs.rs/async-stream/0.3.3/' --extern-html-root-url 'async_trait=https://docs.rs/async-trait/0.1.53/' --extern-html-root-url 'bytes=https://docs.rs/bytes/1.1.0/' --extern-html-root-url 'chrono=https://docs.rs/chrono/0.4.19/' --extern-html-root-url 'hexdump=https://docs.rs/hexdump/0.1.1/' --extern-html-root-url 'log=https://docs.rs/log/0.4.17/' --extern-html-root-url 'tokio=https://docs.rs/tokio/1.18.2/' --extern-html-root-url 'tokio_util=https://docs.rs/tokio-util/0.6.10/' --extern-html-root-url 'unix_mode=https://docs.rs/unix_mode/0.1.3/' --extern-html-root-url 'url=https://docs.rs/url/2.2.2/' -Zunstable-options --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1ef20c36fa99a70bcb7cb8742d6e5dc14f44e93f28d4c5288e09811093070068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef20c36fa99a70bcb7cb8742d6e5dc14f44e93f28d4c5288e09811093070068", kill_on_drop: false }`
[INFO] [stdout] 1ef20c36fa99a70bcb7cb8742d6e5dc14f44e93f28d4c5288e09811093070068