error[E0599]: no variant or associated item named `from_str` found for enum `versions::Versioning` in the current scope
    --> src/package/mod.rs:354:38
     |
354  |                 version: Versioning::from_str("0.1.0").unwrap(),
     |                                      ^^^^^^^^ variant or associated item not found in `Versioning`
     |
note: if you're trying to build a new `versions::Versioning` consider using one of the following associated functions:
      versions::Versioning::new
      versions::Versioning::deserialize_pretty
    --> /home/runner/.cargo/git/checkouts/rs-versions-0f453f115a4484a6/7802574/src/lib.rs:1355:5
     |
1355 |       pub fn new(s: &str) -> Option<Versioning> {
     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
1461 | /     pub fn deserialize_pretty<'de, D>(deserializer: D) -> Result<Versioning, D::Error>
1462 | |     where
1463 | |         D: Deserializer<'de>,
     | |_____________________________^
     = help: items from traits can only be used if the trait is in scope
help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
     |
1    + use std::str::FromStr;
     |
help: there is an associated function `from` with a similar name
     |
354  |                 version: Versioning::from("0.1.0").unwrap(),
     |                                      ~~~~

error[E0599]: no variant or associated item named `from_str` found for enum `versions::Versioning` in the current scope
    --> src/package/mod.rs:297:21
     |
297  |         Versioning::from_str(v).map_err(|_| E::custom("not a valid version"))
     |                     ^^^^^^^^ variant or associated item not found in `Versioning`
     |
note: if you're trying to build a new `versions::Versioning` consider using one of the following associated functions:
      versions::Versioning::new
      versions::Versioning::deserialize_pretty
    --> /home/runner/.cargo/git/checkouts/rs-versions-0f453f115a4484a6/7802574/src/lib.rs:1355:5
     |
1355 |       pub fn new(s: &str) -> Option<Versioning> {
     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
1461 | /     pub fn deserialize_pretty<'de, D>(deserializer: D) -> Result<Versioning, D::Error>
1462 | |     where
1463 | |         D: Deserializer<'de>,
     | |_____________________________^
     = help: items from traits can only be used if the trait is in scope
help: trait `FromStr` which provides `from_str` is implemented but not in scope; perhaps you want to import it
     |
1    + use std::str::FromStr;
     |
help: there is an associated function `from` with a similar name
     |
297  |         Versioning::from(v).map_err(|_| E::custom("not a valid version"))
     |                     ~~~~