[INFO] fetching crate query-params-derive 0.1.1...
[INFO] documenting query-params-derive-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate query-params-derive 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate query-params-derive 0.1.1 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 query-params-derive 0.1.1
[INFO] finished tweaking crates.io crate query-params-derive 0.1.1
[INFO] tweaked toml for crates.io crate query-params-derive 0.1.1 written to /workspace/builds/worker-12/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]  Downloading crates ...
[INFO] [stderr]   Downloaded query-params-trait v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3b4688a8986a2bb255865ad2ef94c5e394a10cd99986f3589b8bc7e970f0622c
[INFO] running `Command { std: "docker" "start" "-a" "3b4688a8986a2bb255865ad2ef94c5e394a10cd99986f3589b8bc7e970f0622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4688a8986a2bb255865ad2ef94c5e394a10cd99986f3589b8bc7e970f0622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4688a8986a2bb255865ad2ef94c5e394a10cd99986f3589b8bc7e970f0622c", kill_on_drop: false }`
[INFO] [stdout] 3b4688a8986a2bb255865ad2ef94c5e394a10cd99986f3589b8bc7e970f0622c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 4a34b2c6314201b9fe753f01fb5892a418df9099cff472b2188499d185f3bbbf
[INFO] running `Command { std: "docker" "start" "-a" "4a34b2c6314201b9fe753f01fb5892a418df9099cff472b2188499d185f3bbbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking query-params-trait v0.0.1
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting query-params-derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:101:74
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn gen_serialization_query_params(ast: &syn::DeriveInput) -> Result<syn::export::TokenStream2> {
[INFO] [stdout]     |                                                                          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:127:62
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn get_print_fields(fields: &syn::Fields) -> Result<Vec<syn::export::TokenStream2>> {
[INFO] [stdout]     |                                                              ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:194:78
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn vec_to_query_params(name: syn::Ident, ident: &Option<syn::Ident>) -> syn::export::TokenStream2 {
[INFO] [stdout]     |                                                                              ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:211:11
[INFO] [stdout]     |
[INFO] [stdout] 211 | ) -> syn::export::TokenStream2 {
[INFO] [stdout]     |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `export` in `syn`
[INFO] [stdout]    --> src/lib.rs:222:11
[INFO] [stdout]     |
[INFO] [stdout] 222 | ) -> syn::export::TokenStream2 {
[INFO] [stdout]     |           ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `query-params-derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type proc-macro --crate-name query_params_derive src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2e0772af6809423a -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1d3bfa6658bd3cb.rmeta --extern query_params_trait=/opt/rustwide/target/debug/deps/libquery_params_trait-d42243c41f66f690.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e860005d80c271d.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-6005d3945ea230c4.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4a34b2c6314201b9fe753f01fb5892a418df9099cff472b2188499d185f3bbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a34b2c6314201b9fe753f01fb5892a418df9099cff472b2188499d185f3bbbf", kill_on_drop: false }`
[INFO] [stdout] 4a34b2c6314201b9fe753f01fb5892a418df9099cff472b2188499d185f3bbbf