[INFO] fetching crate pen-ffi 0.3.70...
[INFO] documenting pen-ffi-0.3.70 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pen-ffi 0.3.70 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pen-ffi 0.3.70 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pen-ffi 0.3.70
[INFO] finished tweaking crates.io crate pen-ffi 0.3.70
[INFO] tweaked toml for crates.io crate pen-ffi 0.3.70 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded pen-ffi-macro v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 678494d0ee20ea92bf7ae3af71b09d8056bf156094ddce8a086d09b798c28920
[INFO] running `Command { std: "docker" "start" "-a" "678494d0ee20ea92bf7ae3af71b09d8056bf156094ddce8a086d09b798c28920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "678494d0ee20ea92bf7ae3af71b09d8056bf156094ddce8a086d09b798c28920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678494d0ee20ea92bf7ae3af71b09d8056bf156094ddce8a086d09b798c28920", kill_on_drop: false }`
[INFO] [stdout] 678494d0ee20ea92bf7ae3af71b09d8056bf156094ddce8a086d09b798c28920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f139ca9c083d0b8c964e7e867e26789280700103bca511fd61572a613c5fb051
[INFO] running `Command { std: "docker" "start" "-a" "f139ca9c083d0b8c964e7e867e26789280700103bca511fd61572a613c5fb051", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling pen-ffi-macro v0.1.30
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting pen-ffi v0.3.70 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "f139ca9c083d0b8c964e7e867e26789280700103bca511fd61572a613c5fb051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f139ca9c083d0b8c964e7e867e26789280700103bca511fd61572a613c5fb051", kill_on_drop: false }`
[INFO] [stdout] f139ca9c083d0b8c964e7e867e26789280700103bca511fd61572a613c5fb051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d343e48bb8fb7851e45205f0a2dd2f1764463f411aef367a874fb809c6664a7b
[INFO] running `Command { std: "docker" "start" "-a" "d343e48bb8fb7851e45205f0a2dd2f1764463f411aef367a874fb809c6664a7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling pen-ffi-macro v0.1.30
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]  Documenting pen-ffi v0.3.70 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `$`
[INFO] [stdout]   --> src/future/stream.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     async_stream::stream! {
[INFO] [stdout] 20 | |         let mut first_rest = get_first_rest(list).await;
[INFO] [stdout] 21 | |
[INFO] [stdout] 22 | |         while first_rest.ok.into() {
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |         }
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^ expected expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$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 `pen-ffi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name pen_ffi 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=102845cb531d5a8c -L dependency=/opt/rustwide/target/debug/deps --extern async_stream=/opt/rustwide/target/debug/deps/libasync_stream-dc6643c535dc3994.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-00067ba87a6d0422.rmeta --extern pen_ffi_macro=/opt/rustwide/target/debug/deps/libpen_ffi_macro-95eb84620b79fbf7.so --extern-html-root-url 'async_stream=https://docs.rs/async-stream/0.3.3/' --extern-html-root-url 'futures=https://docs.rs/futures/0.3.21/' --extern-html-root-url 'pen_ffi_macro=https://docs.rs/pen-ffi-macro/0.1.30/' -Zunstable-options --crate-version 0.3.70` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d343e48bb8fb7851e45205f0a2dd2f1764463f411aef367a874fb809c6664a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d343e48bb8fb7851e45205f0a2dd2f1764463f411aef367a874fb809c6664a7b", kill_on_drop: false }`
[INFO] [stdout] d343e48bb8fb7851e45205f0a2dd2f1764463f411aef367a874fb809c6664a7b