gistfile1.txt

error[E0275]: overflow evaluating the requirement `syn::Ident: std::marker::Sync`
  --> core/src/options/input_field.rs:7:1
   |
7  | / lazy_static! {
8  | |     /// The default path for extracting data from a meta item. This can be overridden
9  | |     /// using the `with` attribute.
10 | |     static ref FROM_META_ITEM: syn::Path = {
11 | |         path!(::darling::FromMetaItem::from_meta_item)
12 | |     };
13 | | }
   | |_^
   |
   = help: consider adding a `#![recursion_limit="512"]` attribute to your crate
   = note: required because it appears within the type `syn::PatIdent`
   = note: required because it appears within the type `syn::Pat`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Pat>`
   = note: required because it appears within the type `std::boxed::Box<syn::Pat>`
   = note: required because it appears within the type `syn::Local`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `(syn::token::Eq, syn::Expr)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Eq, syn::Expr)>`
   = note: required because it appears within the type `syn::Variant`
   = note: required because it appears within the type `(syn::Variant, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::Variant, syn::token::Comma>`
   = note: required because it appears within the type `syn::ItemEnum`
   = note: required because it appears within the type `syn::Item`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Item>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Item>`
   = note: required because it appears within the type `std::vec::Vec<syn::Item>`
   = note: required because it appears within the type `(syn::token::Brace, std::vec::Vec<syn::Item>)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Brace, std::vec::Vec<syn::Item>)>`
   = note: required because it appears within the type `syn::ItemMod`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `(syn::token::Eq, syn::Expr)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Eq, syn::Expr)>`
   = note: required because it appears within the type `syn::Variant`
   = note: required because it appears within the type `(syn::Variant, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::Variant, syn::token::Comma>`
   = note: required because it appears within the type `syn::ItemEnum`
   = note: required because it appears within the type `syn::Item`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Item>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Item>`
   = note: required because it appears within the type `std::vec::Vec<syn::Item>`
   = note: required because it appears within the type `(syn::token::Brace, std::vec::Vec<syn::Item>)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Brace, std::vec::Vec<syn::Item>)>`
   = note: required because it appears within the type `syn::ItemMod`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `(syn::token::Eq, syn::Expr)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Eq, syn::Expr)>`
   = note: required because it appears within the type `syn::Variant`
   = note: required because it appears within the type `(syn::Variant, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::Variant, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::Variant, syn::token::Comma>`
   = note: required because it appears within the type `syn::ItemEnum`
   = note: required because it appears within the type `syn::Item`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Item>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Item>`
   = note: required because it appears within the type `std::vec::Vec<syn::Item>`
   = note: required because it appears within the type `(syn::token::Brace, std::vec::Vec<syn::Item>)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Brace, std::vec::Vec<syn::Item>)>`
   = note: required because it appears within the type `syn::ItemMod`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Block>`
   = note: required because it appears within the type `std::boxed::Box<syn::Block>`
   = note: required because it appears within the type `syn::ItemFn`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `std::option::Option<syn::Block>`
   = note: required because it appears within the type `syn::TraitItemMethod`
   = note: required because it appears within the type `syn::TraitItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::TraitItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::TraitItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::TraitItem>`
   = note: required because it appears within the type `syn::ItemTrait`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ImplItemMethod`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Block>`
   = note: required because it appears within the type `std::boxed::Box<syn::Block>`
   = note: required because it appears within the type `syn::ItemFn`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::FieldValue`
   = note: required because it appears within the type `(syn::FieldValue, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::FieldValue, syn::token::Comma>`
   = note: required because it appears within the type `syn::ExprStruct`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::ImplItemConst`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `(syn::Expr, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::Expr, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::Expr, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::Expr, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::Expr, syn::token::Comma>`
   = note: required because it appears within the type `syn::ExprArray`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::ImplItemConst`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `std::option::Option<syn::Block>`
   = note: required because it appears within the type `syn::TraitItemMethod`
   = note: required because it appears within the type `syn::TraitItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::TraitItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::TraitItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::TraitItem>`
   = note: required because it appears within the type `syn::ItemTrait`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::FieldValue`
   = note: required because it appears within the type `(syn::FieldValue, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::FieldValue, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::FieldValue, syn::token::Comma>`
   = note: required because it appears within the type `syn::ExprStruct`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ImplItemMethod`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Item>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Item>`
   = note: required because it appears within the type `std::vec::Vec<syn::Item>`
   = note: required because it appears within the type `(syn::token::Brace, std::vec::Vec<syn::Item>)`
   = note: required because it appears within the type `std::option::Option<(syn::token::Brace, std::vec::Vec<syn::Item>)>`
   = note: required because it appears within the type `syn::ItemMod`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ImplItemMethod`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ImplItemMethod`
   = note: required because it appears within the type `syn::ImplItem`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::ImplItem>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::ImplItem>`
   = note: required because it appears within the type `std::vec::Vec<syn::ImplItem>`
   = note: required because it appears within the type `syn::ItemImpl`
   = note: required because it appears within the type `syn::Item`
   = note: required because it appears within the type `syn::Stmt`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<syn::Stmt>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<syn::Stmt>`
   = note: required because it appears within the type `std::vec::Vec<syn::Stmt>`
   = note: required because it appears within the type `syn::Block`
   = note: required because it appears within the type `syn::ExprIf`
   = note: required because it appears within the type `syn::Expr`
   = note: required because it appears within the type `syn::GenericArgument`
   = note: required because it appears within the type `(syn::GenericArgument, std::option::Option<syn::token::Comma>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::GenericArgument, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::GenericArgument, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::GenericArgument, std::option::Option<syn::token::Comma>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::GenericArgument, syn::token::Comma>`
   = note: required because it appears within the type `syn::AngleBracketedGenericArguments`
   = note: required because it appears within the type `syn::PathArguments`
   = note: required because it appears within the type `syn::PathSegment`
   = note: required because it appears within the type `(syn::PathSegment, std::option::Option<syn::token::Colon2>)`
   = note: required because of the requirements on the impl of `std::marker::Sync` for `std::ptr::Unique<(syn::PathSegment, std::option::Option<syn::token::Colon2>)>`
   = note: required because it appears within the type `alloc::raw_vec::RawVec<(syn::PathSegment, std::option::Option<syn::token::Colon2>)>`
   = note: required because it appears within the type `std::vec::Vec<(syn::PathSegment, std::option::Option<syn::token::Colon2>)>`
   = note: required because it appears within the type `syn::punctuated::Punctuated<syn::PathSegment, syn::token::Colon2>`
   = note: required because it appears within the type `syn::Path`
   = note: required by `lazy_static::lazy::Lazy`
   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)