version bump: 0.4.0 -> (breaking) -> 0.4.1
error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decode::MarkerReadError>>`
  --> rmpv-0.4.0\src\decode\mod.rs:60:1
   |
60 | impl From<MarkerReadError> for Error {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = warning: trait impl specialized or removed (breaking)

error: breaking changes in `<old::decode::Error as std::convert::From<rmp::decode::ValueReadError>>`
  --> rmpv-0.4.0\src\decode\mod.rs:66:1
   |
66 | impl From<ValueReadError> for Error {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = warning: trait impl specialized or removed (breaking)

error: breaking changes in `write_value`
  --> rmpv-0.4.1\src\encode\value.rs:15:1
   |
15 | / pub fn write_value<W>(wr: &mut W, val: &Value) -> Result<(), Error>
16 | |     where W: Write
   | |__________________^
   |
   = warning: type error: expected enum `old::encode::Error`, found enum `new::encode::Error` (breaking)

error: breaking changes in `write_value_ref`
  --> rmpv-0.4.1\src\encode\value_ref.rs:27:1
   |
27 | / pub fn write_value_ref<W>(wr: &mut W, val: &ValueRef) -> Result<(), Error>
28 | |     where W: Write
   | |__________________^
   |
   = warning: type error: expected enum `old::encode::Error`, found enum `new::encode::Error` (breaking)

warning: technically breaking changes in `as_ref`
   --> rmpv-0.4.1\src\lib.rs:253:5
    |
253 |     pub fn as_ref(&self) -> Utf8StringRef {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: added item in inherent impl (technically breaking)

warning: technically breaking changes in `as_ref`
   --> rmpv-0.4.1\src\lib.rs:448:5
    |
448 |     pub fn as_ref(&self) -> ValueRef {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: added item in inherent impl (technically breaking)

warning: technically breaking changes in `<new::decode::Error as std::convert::From<rmp::decode::MarkerReadError>>`
  --> rmpv-0.4.1\src\decode\mod.rs:60:1
   |
60 | impl From<MarkerReadError> for Error {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: trait impl generalized or newly added (technically breaking)

warning: technically breaking changes in `<new::decode::Error as std::convert::From<rmp::decode::ValueReadError>>`
  --> rmpv-0.4.1\src\decode\mod.rs:66:1
   |
66 | impl From<ValueReadError> for Error {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: trait impl generalized or newly added (technically breaking)

error: aborting due to 4 previous errors; 4 warnings emitted

error: rustc-semverver errored