diff --git a/filecoin-hashers/src/poseidon.rs b/filecoin-hashers/src/poseidon.rs
index db92a4a4bc..3df0b4bd6a 100644
--- a/filecoin-hashers/src/poseidon.rs
+++ b/filecoin-hashers/src/poseidon.rs
@@ -218,7 +218,10 @@ fn shared_hash_frs(preimage: &[<Bls12 as ScalarEngine>::Fr]) -> <Bls12 as Scalar
             p.hash()
         }
 
-        _ => panic_any(format!("Unsupported arity for Poseidon hasher: {}", preimage.len())),
+        _ => panic_any(format!(
+            "Unsupported arity for Poseidon hasher: {}",
+            preimage.len()
+        )),
     }
 }
 
diff --git a/filecoin-proofs/tests/mod.rs b/filecoin-proofs/tests/mod.rs
index 0be4d3ce1e..8bd38cd9f5 100644
--- a/filecoin-proofs/tests/mod.rs
+++ b/filecoin-proofs/tests/mod.rs
@@ -51,7 +51,9 @@ fn test_verify_seal_fr32_validation() {
 
             assert!(
                 haystack.contains(needle),
-                "\"{}\" did not contain \"{}\"", haystack, needle,
+                "\"{}\" did not contain \"{}\"",
+                haystack,
+                needle,
             );
         } else {
             panic_any("should have failed comm_r to Fr32 conversion");
@@ -87,7 +89,9 @@ fn test_verify_seal_fr32_validation() {
 
             assert!(
                 haystack.contains(needle),
-                "\"{}\" did not contain \"{}\"", haystack, needle,
+                "\"{}\" did not contain \"{}\"",
+                haystack,
+                needle,
             );
         } else {
             panic_any("should have failed comm_d to Fr32 conversion");
diff --git a/storage-proofs-porep/src/stacked/vanilla/proof.rs b/storage-proofs-porep/src/stacked/vanilla/proof.rs
index 61f325c086..b03820dec5 100644
--- a/storage-proofs-porep/src/stacked/vanilla/proof.rs
+++ b/storage-proofs-porep/src/stacked/vanilla/proof.rs
@@ -240,7 +240,8 @@ impl<'a, Tree: 'static + MerkleTreeTrait, G: 'static + Hasher> StackedDrg<'a, Tr
                                 let labeled_node = rcp.c_x.get_node_at_layer(layer)?;
                                 assert!(
                                     proof.verify(&pub_inputs.replica_id, &labeled_node),
-                                    "Invalid encoding proof generated at layer {}", layer,
+                                    "Invalid encoding proof generated at layer {}",
+                                    layer,
                                 );
                                 trace!("Valid encoding proof generated at layer {}", layer);
                             }