[INFO] fetching crate json_api_derive 0.1.0...
[INFO] documenting json_api_derive-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate json_api_derive 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate json_api_derive 0.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_api_derive 0.1.0
[INFO] finished tweaking crates.io crate json_api_derive 0.1.0
[INFO] tweaked toml for crates.io crate json_api_derive 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80ffe10a3994fcc4e923e9e1835bfb411f9cef11b56643be841127d3ef726583
[INFO] running `Command { std: "docker" "start" "-a" "80ffe10a3994fcc4e923e9e1835bfb411f9cef11b56643be841127d3ef726583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80ffe10a3994fcc4e923e9e1835bfb411f9cef11b56643be841127d3ef726583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ffe10a3994fcc4e923e9e1835bfb411f9cef11b56643be841127d3ef726583", kill_on_drop: false }`
[INFO] [stdout] 80ffe10a3994fcc4e923e9e1835bfb411f9cef11b56643be841127d3ef726583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e2bae5ccbbcfe99bcbf0be021737eb8c1c8613af7e566db03acf6e90f7d1cc0
[INFO] running `Command { std: "docker" "start" "-a" "2e2bae5ccbbcfe99bcbf0be021737eb8c1c8613af7e566db03acf6e90f7d1cc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]  Documenting json_api_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/context/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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_api_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name json_api_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a4e80f7ccea13763 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4428f0723261f03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-25938768891e3290.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-df83aed7d634f5dc.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-28dab75f1d9d1082.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2e2bae5ccbbcfe99bcbf0be021737eb8c1c8613af7e566db03acf6e90f7d1cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2bae5ccbbcfe99bcbf0be021737eb8c1c8613af7e566db03acf6e90f7d1cc0", kill_on_drop: false }`
[INFO] [stdout] 2e2bae5ccbbcfe99bcbf0be021737eb8c1c8613af7e566db03acf6e90f7d1cc0
