Looks like wasabi changed its region auth requirements

Author: durch

aws-region/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "aws-region"
-version = "0.25.5"
+version = "0.26.0"
 authors = ["Drazen Urch"]
 description = "Tiny Rust library for working with Amazon AWS regions, supports `s3` crate"
 repository = "https://github.com/durch/rust-s3"

aws-region/src/region.rs

@@ -158,19 +158,19 @@ impl fmt::Display for Region {
             DoSgp1 => write!(f, "sgp1"),
             DoFra1 => write!(f, "fra1"),
             Yandex => write!(f, "ru-central1"),
-            WaUsEast1 => write!(f, "wa-us-east-1"),
-            WaUsEast2 => write!(f, "wa-us-east-2"),
-            WaUsCentral1 => write!(f, "wa-us-central-1"),
-            WaUsWest1 => write!(f, "wa-us-west-1"),
-            WaCaCentral1 => write!(f, "wa-ca-central-1"),
-            WaEuCentral1 => write!(f, "wa-eu-central-1"),
-            WaEuCentral2 => write!(f, "wa-eu-central-2"),
-            WaEuWest1 => write!(f, "wa-eu-west-1"),
-            WaEuWest2 => write!(f, "wa-eu-west-2"),
-            WaApNortheast1 => write!(f, "wa-ap-northeast-1"),
-            WaApNortheast2 => write!(f, "wa-ap-northeast-2"),
-            WaApSoutheast1 => write!(f, "wa-ap-southeast-1"),
-            WaApSoutheast2 => write!(f, "wa-ap-southeast-2"),
+            WaUsEast1 => write!(f, "us-east-1"),
+            WaUsEast2 => write!(f, "us-east-2"),
+            WaUsCentral1 => write!(f, "us-central-1"),
+            WaUsWest1 => write!(f, "us-west-1"),
+            WaCaCentral1 => write!(f, "ca-central-1"),
+            WaEuCentral1 => write!(f, "eu-central-1"),
+            WaEuCentral2 => write!(f, "eu-central-2"),
+            WaEuWest1 => write!(f, "eu-west-1"),
+            WaEuWest2 => write!(f, "eu-west-2"),
+            WaApNortheast1 => write!(f, "ap-northeast-1"),
+            WaApNortheast2 => write!(f, "ap-northeast-2"),
+            WaApSoutheast1 => write!(f, "ap-southeast-1"),
+            WaApSoutheast2 => write!(f, "ap-southeast-2"),
             R2 { .. } => write!(f, "auto"),
             Custom { ref region, .. } => write!(f, "{}", region),
         }