warning: large size difference between variants
  --> trustchain-http/src/verifier.rs:88:1
   |
88 | / pub enum PresentationOrCredential {
89 | |     Presentation(Presentation),
   | |     -------------------------- the largest variant contains at least 1592 bytes
90 | |     Credential(Credential),
   | |     ---------------------- the second-largest variant contains at least 1064 bytes
91 | | }
   | |_^ the entire enum is at least 1592 bytes
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
   = note: `#[warn(clippy::large_enum_variant)]` on by default
help: consider boxing the large fields to reduce the total size of the enum
   |
89 |     Presentation(Box<Presentation>),
   |                  ~~~~~~~~~~~~~~~~~

warning: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
   --> trustchain-http/src/attestation_utils.rs:214:44
    |
214 |     fn elementwise_deserialize(self, path: &PathBuf) -> Result<Option<Self>, TrustchainCRError>
    |                                            ^^^^^^^^ help: change this to: `&Path`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg

warning: writing `&PathBuf` instead of `&Path` involves a new object where a slice will do
   --> trustchain-http/src/attestation_utils.rs:200:43
    |
200 |     fn elementwise_serialize(&self, path: &PathBuf) -> Result<(), TrustchainCRError> {
    |                                           ^^^^^^^^ help: change this to: `&Path`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
    = note: `#[warn(clippy::ptr_arg)]` on by default