Cannot convert from primitive to type Catalog

[hahnrobert]

This PDF causes the following error when trying to load the pdf via:
let _file = pdf::file::File::<Vec<u8>>::open("test.pdf")?;

Error: Error(Msg("Key Root: cannot convert from primitive to type Catalog"), State { next_error: Some(Error(Msg("Key Pages: cannot convert from primitive to type PageTree"), State { next_error: Some(Error(Msg("Key Kids: cannot convert from primitive to type Vec < PagesNode >"), State { next_error: Some(Error(Msg("Key Resources: cannot convert from primitive to type Option < Resources >"), State { next_error: Some(Error(Msg("Key XObject: cannot convert from primitive to type Option < BTreeMap < String , XObject > >"), State { next_error: Some(Error(EntryNotFound { key: "Type" }, State { next_error: None, backtrace: Some(stack backtrace:
   0: backtrace::backtrace::trace_unsynchronized::hee1893eb5da7e7a9 (0x10e8a070c)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.26/src/backtrace/mod.rs:66
   1: backtrace::backtrace::trace::hca6b1efc3d61f6e3 (0x10e8a0692)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.26/src/backtrace/mod.rs:53
   2: backtrace::capture::Backtrace::create::hd47ce747c1184538 (0x10e898896)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.26/src/capture.rs:163
   3: backtrace::capture::Backtrace::new::h2c9cb6b3d23b2b00 (0x10e8987d4)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.26/src/capture.rs:126
   4: error_chain::make_backtrace::h2587ae8cf04d98e7 (0x10e74a3f1)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:616
   5: <error_chain::State as core::default::Default>::default::h6aba5dc07456c848 (0x10e74a45f)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/error-chain-0.11.0/src/lib.rs:710
   6: pdf::err::Error::from_kind::hcf862d3fafe4c047 (0x10e6d1bb0)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/<::error_chain::error_chain::impl_error_chain_processed macros>:53
   7: <pdf::err::Error as core::convert::From<pdf::err::ErrorKind>>::from::hb3577d866bd2cdae (0x10e6d4977)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/<::error_chain::error_chain::impl_error_chain_processed macros>:98
   8: <pdf::object::types::XObject as pdf::object::Object>::from_primitive::h7b8c25308f2940a5 (0x10e62f63e)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:210
   9: <alloc::collections::btree::map::BTreeMap<alloc::string::String, V> as pdf::object::Object>::from_primitive::h7ecb996880b2bfbf (0x10e66abea)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/mod.rs:236
  10: <alloc::collections::btree::map::BTreeMap<alloc::string::String, V> as pdf::object::Object>::from_primitive::h7ecb996880b2bfbf (0x10e66af4a)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/mod.rs:240
  11: pdf::primitive::<impl pdf::object::Object for core::option::Option<T>>::from_primitive::h732f52252c607dd5 (0x10e6911e6)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/primitive.rs:326
  12: <pdf::object::types::Resources as pdf::object::Object>::from_primitive::hd45eab241d4dec61 (0x10e63b059)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:135
  13: pdf::primitive::<impl pdf::object::Object for core::option::Option<T>>::from_primitive::hd977042959c5f6cf (0x10e692483)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/primitive.rs:326
  14: <pdf::object::types::Page as pdf::object::Object>::from_primitive::h335ba1f03f02c092 (0x10e638093)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:89
  15: <pdf::object::types::PagesNode as pdf::object::Object>::from_primitive::h24811c69acca4443 (0x10e62e1f1)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:25
  16: <alloc::vec::Vec<T> as pdf::object::Object>::from_primitive::{{closure}}::hedb9a02a32628cda (0x10e6c860c)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/mod.rs:195
  17: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &mut F>::call_once::h149d4c1aea1a0351 (0x10e6bebb0)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/ops/function.rs:279
  18: <core::option::Option<T>>::map::h4a7723266d769797 (0x10e689b9d)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/option.rs:414
  19: <core::iter::Map<I, F> as core::iter::iterator::Iterator>::next::h51bfd912e8d5e7ef (0x10e6dc36e)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/iter/mod.rs:1428
  20: <<core::result::Result<V, E> as core::iter::traits::FromIterator<core::result::Result<A, E>>>::from_iter::Adapter<Iter, E> as core::iter::iterator::Iterator>::next::h5b9a342e2ed9f8a2 (0x10e6e2e58)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/result.rs:1220
  21: <&mut I as core::iter::iterator::Iterator>::next::h58363be6b4480122 (0x10e6eb68e)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/iter/iterator.rs:2644
  22: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter::hf2babf0635f53d93 (0x10e6b89bb)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/liballoc/vec.rs:1813
  23: <alloc::vec::Vec<T> as core::iter::traits::FromIterator<T>>::from_iter::hf1c3f6cdad026dbf (0x10e6b8f23)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/liballoc/vec.rs:1725
  24: <core::result::Result<V, E> as core::iter::traits::FromIterator<core::result::Result<A, E>>>::from_iter::hf5fae6ddabd204a1 (0x10e6e25d0)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/result.rs:1237
  25: core::iter::iterator::Iterator::collect::h3e0eb7698cf25103 (0x10e6db147)
             at /rustc/2aa4c46cfdd726e97360c2734835aa3515e8c858/src/libcore/iter/iterator.rs:1468
  26: <alloc::vec::Vec<T> as pdf::object::Object>::from_primitive::hd6bcee64ade5112c (0x10e6bbdec)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/mod.rs:193
  27: <pdf::object::types::PageTree as pdf::object::Object>::from_primitive::h962ee7a4c4cc6534 (0x10e635e23)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:69
  28: <pdf::object::types::Catalog as pdf::object::Object>::from_primitive::h76a04b5e422d45fc (0x10e633969)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/object/types.rs:34
  29: <pdf::file::Trailer as pdf::object::Object>::from_primitive::h1df45626e88e653a (0x10e6cd14b)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/file.rs:252
  30: <pdf::file::File<B>>::open::h40b1658bb78a8ab7 (0x10e6211da)
             at /Users/rob/.cargo/registry/src/github.com-1ecc6299db9ec823/pdf-0.6.3/src/file.rs:142

[Ploppz]

Thanks, I found the bug. The reference says that /Type in XObject is optional. Fixed in latest master.