1 files changed, 6 insertions, 6 deletions
diff --git a/buffered-reader/src/adapter.rs b/buffered-reader/src/adapter.rs
index 65c7a8aa..3734d9bc 100644
--- a/buffered-reader/src/adapter.rs
+++ b/buffered-reader/src/adapter.rs
@@ -10,7 +10,7 @@ use super::*;
 /// `Adapter` also changes cookie types, but does no buffering of its
 /// own.
 #[derive(Debug)]
-pub struct Adapter<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> {
+pub struct Adapter<T: BufferedReader<B>, B: fmt::Debug + Send + Sync, C: fmt::Debug + Sync + Send> {
     reader: T,
     _ghostly_cookie: std::marker::PhantomData<B>,
     cookie: C,
@@ -21,13 +21,13 @@ assert_send_and_sync!(Adapter<T, B, C>
                             B: fmt::Debug,
                             C: fmt::Debug);
 
-impl<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> fmt::Display for Adapter<T, B, C> {
+impl<T: BufferedReader<B>, B: fmt::Debug + Send + Sync, C: fmt::Debug + Sync + Send> fmt::Display for Adapter<T, B, C> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         f.debug_struct("Adapter").finish()
     }
 }
 
-impl<T: BufferedReader<B>, B: fmt::Debug> Adapter<T, B, ()> {
+impl<T: BufferedReader<B>, B: fmt::Debug + Sync + Send> Adapter<T, B, ()> {
     /// Instantiates a new adapter.
     ///
     /// `reader` is the source to wrap.
@@ -36,7 +36,7 @@ impl<T: BufferedReader<B>, B: fmt::Debug> Adapter<T, B, ()> {
     }
 }
 
-impl<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> Adapter<T, B, C> {
+impl<T: BufferedReader<B>, B: fmt::Debug + Send + Sync, C: fmt::Debug + Sync + Send> Adapter<T, B, C> {
     /// Like `new()`, but sets a cookie.
     ///
     /// The cookie can be retrieved using the `cookie_ref` and
@@ -51,13 +51,13 @@ impl<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> Adapter<T, B, C> {
     }
 }
 
-impl<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> io::Read for Adapter<T, B, C> {
+impl<T: BufferedReader<B>, B: fmt::Debug + Send + Sync, C: fmt::Debug + Sync + Send> io::Read for Adapter<T, B, C> {
     fn read(&mut self, buf: &mut [u8]) -> Result<usize, io::Error> {
         self.reader.read(buf)
     }
 }
 
-impl<T: BufferedReader<B>, B: fmt::Debug, C: fmt::Debug> BufferedReader<C> for Adapter<T, B, C> {
+impl<T: BufferedReader<B>, B: fmt::Debug + Send + Sync, C: fmt::Debug + Sync + Send> BufferedReader<C> for Adapter<T, B, C> {
     fn buffer(&self) -> &[u8] {
         self.reader.buffer()
     }