[INFO] fetching crate rhizome_proc-macro-definitions 0.0.1...
[INFO] documenting rhizome_proc-macro-definitions-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rhizome_proc-macro-definitions 0.0.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate rhizome_proc-macro-definitions 0.0.1 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 rhizome_proc-macro-definitions 0.0.1
[INFO] finished tweaking crates.io crate rhizome_proc-macro-definitions 0.0.1
[INFO] tweaked toml for crates.io crate rhizome_proc-macro-definitions 0.0.1 written to /workspace/builds/worker-24/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] 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]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 4b85eb47b9320d517303cb39b06fed6d81651a8330d8ef2fb45666f9c1ae449b
[INFO] running `Command { std: "docker" "start" "-a" "4b85eb47b9320d517303cb39b06fed6d81651a8330d8ef2fb45666f9c1ae449b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b85eb47b9320d517303cb39b06fed6d81651a8330d8ef2fb45666f9c1ae449b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b85eb47b9320d517303cb39b06fed6d81651a8330d8ef2fb45666f9c1ae449b", kill_on_drop: false }`
[INFO] [stdout] 4b85eb47b9320d517303cb39b06fed6d81651a8330d8ef2fb45666f9c1ae449b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 1a607cc0eb32198a658a139e86ea110f5a044c0a1d1a6b61f15e0b90dc2a7fd7
[INFO] running `Command { std: "docker" "start" "-a" "1a607cc0eb32198a658a139e86ea110f5a044c0a1d1a6b61f15e0b90dc2a7fd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking syn-mid v0.5.3
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]  Documenting rhizome_proc-macro-definitions v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     syn::{parse_macro_input, Ident},
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ no `parse_macro_input` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `parse_macro_input`
[INFO] [stdout]   --> src/lib.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let extractable_declaration = parse_macro_input!(input as ExtractableDeclaration);
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rhizome_proc-macro-definitions`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name rhizome_proc_macro_definitions src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=58c58abc042092b9 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-7a6ebf165df83a68.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb324b73724fa6c6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5842325de40ecdfb.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-1aaa177fdf562949.rmeta --extern syn_mid=/opt/rustwide/target/debug/deps/libsyn_mid-47f1a844d8963a4a.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1a607cc0eb32198a658a139e86ea110f5a044c0a1d1a6b61f15e0b90dc2a7fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a607cc0eb32198a658a139e86ea110f5a044c0a1d1a6b61f15e0b90dc2a7fd7", kill_on_drop: false }`
[INFO] [stdout] 1a607cc0eb32198a658a139e86ea110f5a044c0a1d1a6b61f15e0b90dc2a7fd7