...
   Compiling to_bytes v0.1.0 ([CWD])
error: Features `big-endian` and `little-endian` cannot be enabled simultaneously
 --> src/lib.rs:2:1
  |
2 | compile_error!("Features `big-endian` and `little-endian` cannot be enabled simultaneously");
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0119]: conflicting implementations of trait `ToBytes` for type `i32`
  --> src/lib.rs:16:1
   |
 9 | impl ToBytes for i32 {
   | -------------------- first implementation here
...
16 | impl ToBytes for i32 {
   | ^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32`

For more information about this error, try `rustc --explain E0119`.
error: could not compile `to_bytes` (lib) due to 2 previous errors
