chore: upgrade bb8 to v9.0

Author: sabify

Cargo.toml

@@ -14,27 +14,27 @@ rust-version = "1.78.0"
 
 [dependencies]
 diesel = { version = "~2.2.0", default-features = false, features = [
-        "i-implement-a-third-party-backend-and-opt-into-breaking-changes",
+  "i-implement-a-third-party-backend-and-opt-into-breaking-changes",
 ] }
 async-trait = "0.1.66"
 futures-channel = { version = "0.3.17", default-features = false, features = [
-        "std",
-        "sink",
+  "std",
+  "sink",
 ], optional = true }
 futures-util = { version = "0.3.17", default-features = false, features = [
-        "std",
-        "sink",
+  "std",
+  "sink",
 ] }
 tokio-postgres = { version = "0.7.10", optional = true }
 tokio = { version = "1.26", optional = true }
 mysql_async = { version = "0.34", optional = true, default-features = false, features = [
-        "minimal-rust",
+  "minimal-rust",
 ] }
 mysql_common = { version = "0.32", optional = true, default-features = false }
 
-bb8 = { version = "0.8", optional = true }
+bb8 = { version = "0.9", optional = true }
 deadpool = { version = "0.12", optional = true, default-features = false, features = [
-        "managed",
+  "managed",
 ] }
 mobc = { version = ">=0.7,<0.10", optional = true }
 scoped-futures = { version = "0.1", features = ["std"] }
@@ -50,11 +50,11 @@ assert_matches = "1.0.1"
 [features]
 default = []
 mysql = [
-        "diesel/mysql_backend",
-        "mysql_async",
-        "mysql_common",
-        "futures-channel",
-        "tokio",
+  "diesel/mysql_backend",
+  "mysql_async",
+  "mysql_common",
+  "futures-channel",
+  "tokio",
 ]
 postgres = ["diesel/postgres_backend", "tokio-postgres", "tokio", "tokio/rt"]
 sqlite = ["diesel/sqlite", "sync-connection-wrapper"]
@@ -73,24 +73,24 @@ harness = true
 
 [package.metadata.docs.rs]
 features = [
-        "postgres",
-        "mysql",
-        "sqlite",
-        "deadpool",
-        "bb8",
-        "mobc",
-        "async-connection-wrapper",
-        "sync-connection-wrapper",
-        "r2d2",
+  "postgres",
+  "mysql",
+  "sqlite",
+  "deadpool",
+  "bb8",
+  "mobc",
+  "async-connection-wrapper",
+  "sync-connection-wrapper",
+  "r2d2",
 ]
 no-default-features = true
 rustc-args = ["--cfg", "docsrs"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [workspace]
 members = [
-        ".",
-        "examples/postgres/pooled-with-rustls",
-        "examples/postgres/run-pending-migrations-with-rustls",
-        "examples/sync-wrapper",
+  ".",
+  "examples/postgres/pooled-with-rustls",
+  "examples/postgres/run-pending-migrations-with-rustls",
+  "examples/sync-wrapper",
 ]

src/pooled_connection/bb8.rs

@@ -65,7 +65,6 @@ pub type PooledConnection<'a, C> = bb8::PooledConnection<'a, AsyncDieselConnecti
 /// Type alias for using [`bb8::RunError`] with [`diesel-async`]
 pub type RunError = bb8::RunError<super::PoolError>;
 
-#[async_trait::async_trait]
 impl<C> ManageConnection for AsyncDieselConnectionManager<C>
 where
     C: PoolableConnection + 'static,