compile.error

   Compiling triehash v0.1.2
   Compiling jsonrpc-macros v8.0.1 (https://github.com/paritytech/jsonrpc.git#98e892b0)
error[E0308]: mismatched types
   --> /home/ben/.cargo/registry/src/github.com-1ecc6299db9ec823/triehash-0.1.2/src/lib.rs:141:2
    |
138 | fn gen_trie_root<A: AsRef<[u8]>, B: AsRef<[u8]>>(input: &[(A, B)]) -> H256 {
    |                                                                       ---- expected `ethereum_types::H256` because of return type
...
141 |     keccak(stream.out())
    |     ^^^^^^^^^^^^^^^^^^^^ expected struct `ethereum_types::H256`, found struct `hash::H256`
    |
    = note: expected type `ethereum_types::H256`
               found type `hash::H256`
note: Perhaps two different versions of crate `ethereum_types` are being used?
   --> /home/ben/.cargo/registry/src/github.com-1ecc6299db9ec823/triehash-0.1.2/src/lib.rs:141:2
    |
141 |     keccak(stream.out())
    |     ^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.
error: Could not compile `triehash`.
warning: build failed, waiting for other jobs to finish...
error: build failed