warning: large size difference between variants
  --> crates/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
   --> crates/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
   --> crates/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

warning: unneeded `return` statement
   --> crates/trustchain-core/src/utils.rs:275:41
    |
275 | / ...                   return json_contains(
276 | | ...                       cand_map.get(cand_key).unwrap(),
277 | | ...                       expected,
278 | | ...                   )
    | |_______________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
275 ~                                         json_contains(
276 +                                             cand_map.get(cand_key).unwrap(),
277 +                                             expected,
278 +                                         )
    |

warning: unneeded `return` statement
   --> crates/trustchain-core/src/utils.rs:296:21
    |
296 | /                     return cand_map
297 | |                         .values()
298 | |                         .any(|cand_value| json_contains(cand_value, expected));
    | |______________________________________________________________________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
help: remove `return`
    |
296 ~                     cand_map
297 +                         .values()
298 ~                         .any(|cand_value| json_contains(cand_value, expected))
    |

warning: unneeded `return` statement
   --> crates/trustchain-core/src/utils.rs:261:13
    |
261 |             return cand_vec.iter().any(|value| json_contains(value, expected));
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
    = note: `#[warn(clippy::needless_return)]` on by default
help: remove `return`
    |
261 -             return cand_vec.iter().any(|value| json_contains(value, expected));
261 +             cand_vec.iter().any(|value| json_contains(value, expected))
    |