[INFO] fetching crate json_schema_test_suite_proc_macro 0.3.0...
[INFO] documenting json_schema_test_suite_proc_macro-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate json_schema_test_suite_proc_macro 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate json_schema_test_suite_proc_macro 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_schema_test_suite_proc_macro 0.3.0
[INFO] finished tweaking crates.io crate json_schema_test_suite_proc_macro 0.3.0
[INFO] tweaked toml for crates.io crate json_schema_test_suite_proc_macro 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4200dc066a317cd1c59a58ee863938d7e2972a5dda79d70eb77a479ab644eeac
[INFO] running `Command { std: "docker" "start" "-a" "4200dc066a317cd1c59a58ee863938d7e2972a5dda79d70eb77a479ab644eeac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4200dc066a317cd1c59a58ee863938d7e2972a5dda79d70eb77a479ab644eeac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4200dc066a317cd1c59a58ee863938d7e2972a5dda79d70eb77a479ab644eeac", kill_on_drop: false }`
[INFO] [stdout] 4200dc066a317cd1c59a58ee863938d7e2972a5dda79d70eb77a479ab644eeac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdae6484a3e636cc803a3e7ff183df2733aec9f1f07881e4b071b3084758526
[INFO] running `Command { std: "docker" "start" "-a" "3cdae6484a3e636cc803a3e7ff183df2733aec9f1f07881e4b071b3084758526", kill_on_drop: false }`
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking json_schema_test_suite_test_case v0.3.0
[INFO] [stderr]  Documenting json_schema_test_suite_proc_macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stdout]   --> src/lib.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 | use syn::{parse_macro_input, Ident, ItemFn};
[INFO] [stdout]    |                                     ^^^^^^ no `ItemFn` in the root
[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] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `json_schema_test_suite_proc_macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name json_schema_test_suite_proc_macro src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern json_schema_test_suite_test_case=/opt/rustwide/target/debug/deps/libjson_schema_test_suite_test_case-dddd2042c10a15f6.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c395b40247ac8d91.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-901816f2d165e43f.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-fd7c22c517e8d025.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-8914c1b130a4d038.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-214cd0719ff93117.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e85175e840999277.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3cdae6484a3e636cc803a3e7ff183df2733aec9f1f07881e4b071b3084758526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdae6484a3e636cc803a3e7ff183df2733aec9f1f07881e4b071b3084758526", kill_on_drop: false }`
[INFO] [stdout] 3cdae6484a3e636cc803a3e7ff183df2733aec9f1f07881e4b071b3084758526
