4 files changed, 10 insertions, 0 deletions
diff --git a/src/collection/boxed.rs b/src/collection/boxed.rs
index 7a84b2a..98d7632 100644
--- a/src/collection/boxed.rs
+++ b/src/collection/boxed.rs
@@ -154,6 +154,7 @@ impl<T, L: AsRef<T>> AsRef<T> for BoxedLockCollection<L> {
 	}
 }
 
+#[mutants::skip]
 impl<L: Debug> Debug for BoxedLockCollection<L> {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		f.debug_struct(stringify!(BoxedLockCollection))
diff --git a/src/collection/guard.rs b/src/collection/guard.rs
index fc8df30..9412343 100644
--- a/src/collection/guard.rs
+++ b/src/collection/guard.rs
@@ -6,32 +6,38 @@ use crate::key::Keyable;
 
 use super::LockGuard;
 
+#[mutants::skip] // it's hard to get two guards safely
 impl<Guard: PartialEq, Key: Keyable> PartialEq for LockGuard<'_, Guard, Key> {
 	fn eq(&self, other: &Self) -> bool {
 		self.guard.eq(&other.guard)
 	}
 }
 
+#[mutants::skip] // it's hard to get two guards safely
 impl<Guard: PartialOrd, Key: Keyable> PartialOrd for LockGuard<'_, Guard, Key> {
 	fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
 		self.guard.partial_cmp(&other.guard)
 	}
 }
 
+#[mutants::skip] // it's hard to get two guards safely
 impl<Guard: Eq, Key: Keyable> Eq for LockGuard<'_, Guard, Key> {}
 
+#[mutants::skip] // it's hard to get two guards safely
 impl<Guard: Ord, Key: Keyable> Ord for LockGuard<'_, Guard, Key> {
 	fn cmp(&self, other: &Self) -> std::cmp::Ordering {
 		self.guard.cmp(&other.guard)
 	}
 }
 
+#[mutants::skip] // hashing involves RNG and is hard to test
 impl<Guard: Hash, Key: Keyable> Hash for LockGuard<'_, Guard, Key> {
 	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
 		self.guard.hash(state)
 	}
 }
 
+#[mutants::skip]
 impl<Guard: Debug, Key: Keyable> Debug for LockGuard<'_, Guard, Key> {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		Debug::fmt(&**self, f)
diff --git a/src/collection/owned.rs b/src/collection/owned.rs
index 8e8afce..a96300d 100644
--- a/src/collection/owned.rs
+++ b/src/collection/owned.rs
@@ -7,6 +7,7 @@ use crate::Keyable;
 
 use super::{utils, LockGuard, OwnedLockCollection};
 
+#[mutants::skip] // it's hard to test individual locks in an OwnedLockCollection
 fn get_locks<L: Lockable>(data: &L) -> Vec<&dyn RawLock> {
 	let mut locks = Vec::new();
 	data.get_ptrs(&mut locks);
@@ -61,6 +62,7 @@ unsafe impl<L: Lockable> Lockable for OwnedLockCollection<L> {
 	where
 		Self: 'g;
 
+	#[mutants::skip] // It's hard to test lkocks in an OwnedLockCollection, because they're owned
 	fn get_ptrs<'a>(&'a self, ptrs: &mut Vec<&'a dyn RawLock>) {
 		self.data.get_ptrs(ptrs)
 	}
diff --git a/src/collection/ref.rs b/src/collection/ref.rs
index 2f4db20..512bdec 100644
--- a/src/collection/ref.rs
+++ b/src/collection/ref.rs
@@ -108,6 +108,7 @@ impl<T, L: AsRef<T>> AsRef<T> for RefLockCollection<'_, L> {
 	}
 }
 
+#[mutants::skip]
 impl<L: Debug> Debug for RefLockCollection<'_, L> {
 	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
 		f.debug_struct(stringify!(RefLockCollection))