Fix clippy warnings

src/blob/pos_io.rs

@@ -1,6 +1,5 @@
 use super::Blob;
 
-use std::convert::TryFrom;
 use std::mem::MaybeUninit;
 use std::slice::from_raw_parts_mut;
 

src/busy.rs

@@ -1,5 +1,4 @@
 //! Busy handler (when the database is locked)
-use std::convert::TryInto;
 use std::mem;
 use std::os::raw::{c_int, c_void};
 use std::panic::catch_unwind;

src/context.rs

@@ -19,7 +19,7 @@ use crate::vtab::array::{free_array, ARRAY_TYPE};
 #[inline]
 pub(super) unsafe fn set_result(
     ctx: *mut sqlite3_context,
-    args: &[*mut sqlite3_value],
+    #[allow(unused_variables)] args: &[*mut sqlite3_value],
     result: &ToSqlOutput<'_>,
 ) {
     let value = match *result {

src/lib.rs

@@ -1244,7 +1244,6 @@ doc_comment::doctest!("../README.md");
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::ffi;
     use fallible_iterator::FallibleIterator;
     use std::error::Error as StdError;
     use std::fmt;

src/limits.rs

@@ -68,7 +68,7 @@ impl Connection {
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::{Connection, Result};
+    use crate::Result;
 
     #[test]
     fn test_limit_values() {

src/serialize.rs

@@ -1,5 +1,4 @@
 //! Serialize a database.
-use std::convert::TryInto;
 use std::marker::PhantomData;
 use std::ops::Deref;
 use std::ptr::NonNull;
@@ -136,7 +135,6 @@ impl Connection {
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::{Connection, DatabaseName, Result};
 
     #[test]
     fn serialize() -> Result<()> {

src/statement.rs

@@ -1,4 +1,3 @@
-use std::iter::IntoIterator;
 use std::os::raw::{c_int, c_void};
 #[cfg(feature = "array")]
 use std::rc::Rc;

src/types/from_sql.rs

@@ -1,5 +1,4 @@
 use super::{Value, ValueRef};
-use std::convert::TryInto;
 use std::error::Error;
 use std::fmt;
 

src/types/to_sql.rs

@@ -3,7 +3,6 @@ use super::{Null, Value, ValueRef};
 use crate::vtab::array::Array;
 use crate::{Error, Result};
 use std::borrow::Cow;
-use std::convert::TryFrom;
 
 /// `ToSqlOutput` represents the possible output types for implementers of the
 /// [`ToSql`] trait.

src/vtab/array.rs

@@ -26,7 +26,6 @@
 //! }
 //! ```
 
-use std::default::Default;
 use std::marker::PhantomData;
 use std::os::raw::{c_char, c_int, c_void};
 use std::rc::Rc;

src/vtab/mod.rs

@@ -11,7 +11,6 @@
 //! (See [SQLite doc](http://sqlite.org/vtab.html))
 use std::borrow::Cow::{self, Borrowed, Owned};
 use std::marker::PhantomData;
-use std::marker::Sync;
 use std::os::raw::{c_char, c_int, c_void};
 use std::ptr;
 use std::slice;

src/vtab/series.rs

@@ -3,7 +3,6 @@
 //! Port of C [generate series
 //! "function"](http://www.sqlite.org/cgi/src/finfo?name=ext/misc/series.c):
 //! `https://www.sqlite.org/series.html`
-use std::default::Default;
 use std::marker::PhantomData;
 use std::os::raw::c_int;
 

src/vtab/vtablog.rs

@@ -1,5 +1,4 @@
 //! Port of C [vtablog](http://www.sqlite.org/cgi/src/finfo?name=ext/misc/vtablog.c)
-use std::default::Default;
 use std::marker::PhantomData;
 use std::os::raw::c_int;
 use std::str::FromStr;