Set clippy deny

src/driver/mock.rs

@@ -2,19 +2,22 @@ use crate::{
     debug_print, error::*, DatabaseConnection, DbBackend, ExecResult, MockDatabase, QueryResult,
     Statement, Transaction,
 };
+use std::fmt::Debug;
 use std::sync::{
     atomic::{AtomicUsize, Ordering},
     Mutex,
 };
 
+#[derive(Debug)]
 pub struct MockDatabaseConnector;
 
+#[derive(Debug)]
 pub struct MockDatabaseConnection {
     counter: AtomicUsize,
     mocker: Mutex<Box<dyn MockDatabaseTrait>>,
 }
 
-pub trait MockDatabaseTrait: Send {
+pub trait MockDatabaseTrait: Send + Debug {
     fn execute(&mut self, counter: usize, stmt: Statement) -> Result<ExecResult, DbErr>;
 
     fn query(&mut self, counter: usize, stmt: Statement) -> Result<Vec<QueryResult>, DbErr>;

src/driver/sqlx_mysql.rs

@@ -10,8 +10,10 @@ use crate::{debug_print, error::*, executor::*, DatabaseConnection, Statement};
 
 use super::sqlx_common::*;
 
+#[derive(Debug)]
 pub struct SqlxMySqlConnector;
 
+#[derive(Debug)]
 pub struct SqlxMySqlPoolConnection {
     pool: MySqlPool,
 }

src/driver/sqlx_postgres.rs

@@ -10,8 +10,10 @@ use crate::{debug_print, error::*, executor::*, DatabaseConnection, Statement};
 
 use super::sqlx_common::*;
 
+#[derive(Debug)]
 pub struct SqlxPostgresConnector;
 
+#[derive(Debug)]
 pub struct SqlxPostgresPoolConnection {
     pool: PgPool,
 }

src/driver/sqlx_sqlite.rs

@@ -10,8 +10,10 @@ use crate::{debug_print, error::*, executor::*, DatabaseConnection, Statement};
 
 use super::sqlx_common::*;
 
+#[derive(Debug)]
 pub struct SqlxSqliteConnector;
 
+#[derive(Debug)]
 pub struct SqlxSqlitePoolConnection {
     pool: SqlitePool,
 }

src/entity/relation.rs

@@ -46,6 +46,7 @@ pub trait Linked {
     }
 }
 
+#[derive(Debug)]
 pub struct RelationDef {
     pub rel_type: RelationType,
     pub from_tbl: TableRef,
@@ -57,6 +58,7 @@ pub struct RelationDef {
     pub on_update: Option<ForeignKeyAction>,
 }
 
+#[derive(Debug)]
 pub struct RelationBuilder<E, R>
 where
     E: EntityTrait,

src/executor/query.rs

@@ -21,6 +21,7 @@ pub trait TryGetable: Sized {
     fn try_get(res: &QueryResult, pre: &str, col: &str) -> Result<Self, TryGetError>;
 }
 
+#[derive(Debug)]
 pub enum TryGetError {
     DbErr(DbErr),
     Null,

src/executor/select.rs

@@ -30,6 +30,7 @@ pub trait SelectorTrait {
     fn from_raw_query_result(res: QueryResult) -> Result<Self::Item, DbErr>;
 }
 
+#[derive(Debug)]
 pub struct SelectModel<M>
 where
     M: FromQueryResult,

src/lib.rs

@@ -1,3 +1,10 @@
+#![cfg_attr(docsrs, feature(doc_cfg))]
+#![deny(
+    missing_debug_implementations,
+    clippy::print_stderr,
+    clippy::print_stdout
+)]
+
 //! <div align="center">
 //!
 //!   <img src="https://www.sea-ql.org/SeaORM/img/SeaORM banner.png"/>