Parse to a meaningful format in the nix output stream before hitting the running build.

src/error/error.rs

@@ -1,3 +1,5 @@
+use std::fmt::Display;
+use std::num::TryFromIntError;
 use std::str::Utf8Error;
 use std::string::FromUtf8Error;
 
@@ -16,6 +18,13 @@ pub(crate) enum CustomError {
     UrlParseError(#[allow(dead_code)] url::ParseError),
     Migrate(#[allow(dead_code)] sqlx::migrate::MigrateError),
     Sql(#[allow(dead_code)] sqlx::Error),
+    TryFromIntError(#[allow(dead_code)] TryFromIntError),
+}
+
+impl Display for CustomError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self)
+    }
 }
 
 impl From<std::io::Error> for CustomError {
@@ -95,3 +104,9 @@ impl From<sqlx::Error> for CustomError {
         CustomError::Sql(value)
     }
 }
+
+impl From<TryFromIntError> for CustomError {
+    fn from(value: TryFromIntError) -> Self {
+        CustomError::TryFromIntError(value)
+    }
+}