diff --git a/apps/vault/libraries/cbor/src/lib.rs b/apps/vault/libraries/cbor/src/lib.rs
index ca70f6e40..b1f045663 100644
--- a/apps/vault/libraries/cbor/src/lib.rs
+++ b/apps/vault/libraries/cbor/src/lib.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/cbor/src/macros.rs b/apps/vault/libraries/cbor/src/macros.rs
index 7d5a661c9..e9d7423b8 100644
--- a/apps/vault/libraries/cbor/src/macros.rs
+++ b/apps/vault/libraries/cbor/src/macros.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/cbor/src/reader.rs b/apps/vault/libraries/cbor/src/reader.rs
index f19ef854b..e4bf2648a 100644
--- a/apps/vault/libraries/cbor/src/reader.rs
+++ b/apps/vault/libraries/cbor/src/reader.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/cbor/src/values.rs b/apps/vault/libraries/cbor/src/values.rs
index 6cc1dce37..577bc43df 100644
--- a/apps/vault/libraries/cbor/src/values.rs
+++ b/apps/vault/libraries/cbor/src/values.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/cbor/src/writer.rs b/apps/vault/libraries/cbor/src/writer.rs
index ba8bdd4c9..cf4368894 100644
--- a/apps/vault/libraries/cbor/src/writer.rs
+++ b/apps/vault/libraries/cbor/src/writer.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/aes256.rs b/apps/vault/libraries/crypto/src/aes256.rs
index 85e8a6dfb..9cfa19ffb 100644
--- a/apps/vault/libraries/crypto/src/aes256.rs
+++ b/apps/vault/libraries/crypto/src/aes256.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/cbc.rs b/apps/vault/libraries/crypto/src/cbc.rs
index 03ee39bf0..d99493412 100644
--- a/apps/vault/libraries/crypto/src/cbc.rs
+++ b/apps/vault/libraries/crypto/src/cbc.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/ecdh.rs b/apps/vault/libraries/crypto/src/ecdh.rs
index 49906a601..024755153 100644
--- a/apps/vault/libraries/crypto/src/ecdh.rs
+++ b/apps/vault/libraries/crypto/src/ecdh.rs
@@ -13,7 +13,8 @@
 
 // Original copyright notice preserved below:
 
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/ecdsa.rs b/apps/vault/libraries/crypto/src/ecdsa.rs
index 8ea8ab79d..84c7d333e 100644
--- a/apps/vault/libraries/crypto/src/ecdsa.rs
+++ b/apps/vault/libraries/crypto/src/ecdsa.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/hkdf.rs b/apps/vault/libraries/crypto/src/hkdf.rs
index baaa52396..bcf68eba9 100644
--- a/apps/vault/libraries/crypto/src/hkdf.rs
+++ b/apps/vault/libraries/crypto/src/hkdf.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/hmac.rs b/apps/vault/libraries/crypto/src/hmac.rs
index f0a706c2a..445b1af86 100644
--- a/apps/vault/libraries/crypto/src/hmac.rs
+++ b/apps/vault/libraries/crypto/src/hmac.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/lib.rs b/apps/vault/libraries/crypto/src/lib.rs
index 6ace8bf0f..32d3f196e 100644
--- a/apps/vault/libraries/crypto/src/lib.rs
+++ b/apps/vault/libraries/crypto/src/lib.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/rng256.rs b/apps/vault/libraries/crypto/src/rng256.rs
index 293469be2..8fde70317 100644
--- a/apps/vault/libraries/crypto/src/rng256.rs
+++ b/apps/vault/libraries/crypto/src/rng256.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/sha256.rs b/apps/vault/libraries/crypto/src/sha256.rs
index 144ffb617..e5dd6a3dc 100644
--- a/apps/vault/libraries/crypto/src/sha256.rs
+++ b/apps/vault/libraries/crypto/src/sha256.rs
@@ -13,7 +13,8 @@
 
 // Original copyright notice preserved below:
 
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/src/util.rs b/apps/vault/libraries/crypto/src/util.rs
index d85377ffe..bb10ec8ad 100644
--- a/apps/vault/libraries/crypto/src/util.rs
+++ b/apps/vault/libraries/crypto/src/util.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/tests/aesavs.rs b/apps/vault/libraries/crypto/tests/aesavs.rs
index d25f3f3d6..8af23b7c0 100644
--- a/apps/vault/libraries/crypto/tests/aesavs.rs
+++ b/apps/vault/libraries/crypto/tests/aesavs.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/tests/asn1.rs b/apps/vault/libraries/crypto/tests/asn1.rs
index e9382a311..4b8c32b57 100644
--- a/apps/vault/libraries/crypto/tests/asn1.rs
+++ b/apps/vault/libraries/crypto/tests/asn1.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/crypto/tests/wycheproof.rs b/apps/vault/libraries/crypto/tests/wycheproof.rs
index fbbc11ccd..f0110412a 100644
--- a/apps/vault/libraries/crypto/tests/wycheproof.rs
+++ b/apps/vault/libraries/crypto/tests/wycheproof.rs
@@ -1,4 +1,5 @@
-// Copyright 2019 Google LLC
+#![rustfmt::skip]
+// Copyright2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/examples/store.rs b/apps/vault/libraries/persistent_store/fuzz/examples/store.rs
index be9240beb..7f53ec0c4 100644
--- a/apps/vault/libraries/persistent_store/fuzz/examples/store.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/examples/store.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/fuzz_targets/store.rs b/apps/vault/libraries/persistent_store/fuzz/fuzz_targets/store.rs
index d96874d86..31a7ad30d 100644
--- a/apps/vault/libraries/persistent_store/fuzz/fuzz_targets/store.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/fuzz_targets/store.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/src/histogram.rs b/apps/vault/libraries/persistent_store/fuzz/src/histogram.rs
index 82370558f..f16859899 100644
--- a/apps/vault/libraries/persistent_store/fuzz/src/histogram.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/src/histogram.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/src/lib.rs b/apps/vault/libraries/persistent_store/fuzz/src/lib.rs
index 3d32624cf..3f0d4e0bd 100644
--- a/apps/vault/libraries/persistent_store/fuzz/src/lib.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/src/lib.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/src/stats.rs b/apps/vault/libraries/persistent_store/fuzz/src/stats.rs
index 7bef07e37..d7182b6c4 100644
--- a/apps/vault/libraries/persistent_store/fuzz/src/stats.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/src/stats.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/fuzz/src/store.rs b/apps/vault/libraries/persistent_store/fuzz/src/store.rs
index 3113f774e..68eb179a6 100644
--- a/apps/vault/libraries/persistent_store/fuzz/src/store.rs
+++ b/apps/vault/libraries/persistent_store/fuzz/src/store.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/buffer.rs b/apps/vault/libraries/persistent_store/src/buffer.rs
index bc06e06f3..ac548a8d2 100644
--- a/apps/vault/libraries/persistent_store/src/buffer.rs
+++ b/apps/vault/libraries/persistent_store/src/buffer.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/concat.rs b/apps/vault/libraries/persistent_store/src/concat.rs
index ef476eb30..1bcadd173 100644
--- a/apps/vault/libraries/persistent_store/src/concat.rs
+++ b/apps/vault/libraries/persistent_store/src/concat.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/driver.rs b/apps/vault/libraries/persistent_store/src/driver.rs
index 143f5f73f..12ca38302 100644
--- a/apps/vault/libraries/persistent_store/src/driver.rs
+++ b/apps/vault/libraries/persistent_store/src/driver.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/file.rs b/apps/vault/libraries/persistent_store/src/file.rs
index 8401e1a2f..1dbf37c23 100644
--- a/apps/vault/libraries/persistent_store/src/file.rs
+++ b/apps/vault/libraries/persistent_store/src/file.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/format.rs b/apps/vault/libraries/persistent_store/src/format.rs
index 44e5091a4..d946efc95 100644
--- a/apps/vault/libraries/persistent_store/src/format.rs
+++ b/apps/vault/libraries/persistent_store/src/format.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/format/bitfield.rs b/apps/vault/libraries/persistent_store/src/format/bitfield.rs
index 32c0ae5a3..cd5b8c9dc 100644
--- a/apps/vault/libraries/persistent_store/src/format/bitfield.rs
+++ b/apps/vault/libraries/persistent_store/src/format/bitfield.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/fragment.rs b/apps/vault/libraries/persistent_store/src/fragment.rs
index 9d2e06793..b45fa4028 100644
--- a/apps/vault/libraries/persistent_store/src/fragment.rs
+++ b/apps/vault/libraries/persistent_store/src/fragment.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/lib.rs b/apps/vault/libraries/persistent_store/src/lib.rs
index 61ab90acc..e95d82cad 100644
--- a/apps/vault/libraries/persistent_store/src/lib.rs
+++ b/apps/vault/libraries/persistent_store/src/lib.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/linear.rs b/apps/vault/libraries/persistent_store/src/linear.rs
index 5e432f6c2..bb4425a99 100644
--- a/apps/vault/libraries/persistent_store/src/linear.rs
+++ b/apps/vault/libraries/persistent_store/src/linear.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/model.rs b/apps/vault/libraries/persistent_store/src/model.rs
index e0bf9e387..68ffd022e 100644
--- a/apps/vault/libraries/persistent_store/src/model.rs
+++ b/apps/vault/libraries/persistent_store/src/model.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/storage.rs b/apps/vault/libraries/persistent_store/src/storage.rs
index e906013cc..6ea2d23da 100644
--- a/apps/vault/libraries/persistent_store/src/storage.rs
+++ b/apps/vault/libraries/persistent_store/src/storage.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/store.rs b/apps/vault/libraries/persistent_store/src/store.rs
index 11279144a..0d357595a 100644
--- a/apps/vault/libraries/persistent_store/src/store.rs
+++ b/apps/vault/libraries/persistent_store/src/store.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/libraries/persistent_store/src/test.rs b/apps/vault/libraries/persistent_store/src/test.rs
index da834ee8b..86453154f 100644
--- a/apps/vault/libraries/persistent_store/src/test.rs
+++ b/apps/vault/libraries/persistent_store/src/test.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/connection.rs b/apps/vault/src/api/connection.rs
index 0bf788331..260cd2763 100644
--- a/apps/vault/src/api/connection.rs
+++ b/apps/vault/src/api/connection.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/customization.rs b/apps/vault/src/api/customization.rs
index f4d456de7..d9f9d1994 100644
--- a/apps/vault/src/api/customization.rs
+++ b/apps/vault/src/api/customization.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/firmware_protection.rs b/apps/vault/src/api/firmware_protection.rs
index 924d314e8..ffdfb9d50 100644
--- a/apps/vault/src/api/firmware_protection.rs
+++ b/apps/vault/src/api/firmware_protection.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/key_store.rs b/apps/vault/src/api/key_store.rs
index 87c91a832..e1352fd84 100644
--- a/apps/vault/src/api/key_store.rs
+++ b/apps/vault/src/api/key_store.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/mod.rs b/apps/vault/src/api/mod.rs
index 1239c1123..9b9e471ab 100644
--- a/apps/vault/src/api/mod.rs
+++ b/apps/vault/src/api/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/upgrade_storage/helper.rs b/apps/vault/src/api/upgrade_storage/helper.rs
index c561fb0cf..dbd35c3f5 100644
--- a/apps/vault/src/api/upgrade_storage/helper.rs
+++ b/apps/vault/src/api/upgrade_storage/helper.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/upgrade_storage/mod.rs b/apps/vault/src/api/upgrade_storage/mod.rs
index f2a1fdeda..11a42dd41 100644
--- a/apps/vault/src/api/upgrade_storage/mod.rs
+++ b/apps/vault/src/api/upgrade_storage/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2021-2022 Google LLC
+#![rustfmt::skip]
+// Copyright2021-2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/api/user_presence.rs b/apps/vault/src/api/user_presence.rs
index 1509ebb4f..bf1e5e88f 100644
--- a/apps/vault/src/api/user_presence.rs
+++ b/apps/vault/src/api/user_presence.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/apdu.rs b/apps/vault/src/ctap/apdu.rs
index 8fe733380..6e42d16b8 100644
--- a/apps/vault/src/ctap/apdu.rs
+++ b/apps/vault/src/ctap/apdu.rs
@@ -1,4 +1,5 @@
-// Copyright 2020-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/client_pin.rs b/apps/vault/src/ctap/client_pin.rs
index d35cb8abf..caeed1d16 100644
--- a/apps/vault/src/ctap/client_pin.rs
+++ b/apps/vault/src/ctap/client_pin.rs
@@ -1,4 +1,5 @@
-// Copyright 2020-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/command.rs b/apps/vault/src/ctap/command.rs
index 73d0fdb0f..7bfc1e910 100644
--- a/apps/vault/src/ctap/command.rs
+++ b/apps/vault/src/ctap/command.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/config_command.rs b/apps/vault/src/ctap/config_command.rs
index 52bfd4274..d1191a8d3 100644
--- a/apps/vault/src/ctap/config_command.rs
+++ b/apps/vault/src/ctap/config_command.rs
@@ -1,4 +1,5 @@
-// Copyright 2020-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/credential_id.rs b/apps/vault/src/ctap/credential_id.rs
index 5824abd06..799c6a415 100644
--- a/apps/vault/src/ctap/credential_id.rs
+++ b/apps/vault/src/ctap/credential_id.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/credential_management.rs b/apps/vault/src/ctap/credential_management.rs
index 3dd988a37..edb06aa6e 100644
--- a/apps/vault/src/ctap/credential_management.rs
+++ b/apps/vault/src/ctap/credential_management.rs
@@ -1,4 +1,5 @@
-// Copyright 2020-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/crypto_wrapper.rs b/apps/vault/src/ctap/crypto_wrapper.rs
index 6db49d8f0..e125fc77a 100644
--- a/apps/vault/src/ctap/crypto_wrapper.rs
+++ b/apps/vault/src/ctap/crypto_wrapper.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/ctap1.rs b/apps/vault/src/ctap/ctap1.rs
index 751eb9d80..68e752af0 100644
--- a/apps/vault/src/ctap/ctap1.rs
+++ b/apps/vault/src/ctap/ctap1.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/data_formats.rs b/apps/vault/src/ctap/data_formats.rs
index 6effa378a..90479e00f 100644
--- a/apps/vault/src/ctap/data_formats.rs
+++ b/apps/vault/src/ctap/data_formats.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/hid/mod.rs b/apps/vault/src/ctap/hid/mod.rs
index a720def8f..99aa49a1b 100644
--- a/apps/vault/src/ctap/hid/mod.rs
+++ b/apps/vault/src/ctap/hid/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2022 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/hid/receive.rs b/apps/vault/src/ctap/hid/receive.rs
index 429343f0e..08d5942b6 100644
--- a/apps/vault/src/ctap/hid/receive.rs
+++ b/apps/vault/src/ctap/hid/receive.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2022 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/hid/send.rs b/apps/vault/src/ctap/hid/send.rs
index afe49ecbd..278c4ec5b 100644
--- a/apps/vault/src/ctap/hid/send.rs
+++ b/apps/vault/src/ctap/hid/send.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2022 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/key_material.rs b/apps/vault/src/ctap/key_material.rs
index 90568a90d..463c5e3ed 100644
--- a/apps/vault/src/ctap/key_material.rs
+++ b/apps/vault/src/ctap/key_material.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/large_blobs.rs b/apps/vault/src/ctap/large_blobs.rs
index 898638a13..86ff81f22 100644
--- a/apps/vault/src/ctap/large_blobs.rs
+++ b/apps/vault/src/ctap/large_blobs.rs
@@ -1,4 +1,5 @@
-// Copyright 2020-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2020-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/main_hid.rs b/apps/vault/src/ctap/main_hid.rs
index 6afed98ea..2e1be9e68 100644
--- a/apps/vault/src/ctap/main_hid.rs
+++ b/apps/vault/src/ctap/main_hid.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/mod.rs b/apps/vault/src/ctap/mod.rs
index e1d414887..fe4ce10b4 100644
--- a/apps/vault/src/ctap/mod.rs
+++ b/apps/vault/src/ctap/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/pin_protocol.rs b/apps/vault/src/ctap/pin_protocol.rs
index bb923f26f..d9012eaaf 100644
--- a/apps/vault/src/ctap/pin_protocol.rs
+++ b/apps/vault/src/ctap/pin_protocol.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/response.rs b/apps/vault/src/ctap/response.rs
index d140bed13..88b5b1430 100644
--- a/apps/vault/src/ctap/response.rs
+++ b/apps/vault/src/ctap/response.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/status_code.rs b/apps/vault/src/ctap/status_code.rs
index 58d02a487..b58c6abe3 100644
--- a/apps/vault/src/ctap/status_code.rs
+++ b/apps/vault/src/ctap/status_code.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/storage.rs b/apps/vault/src/ctap/storage.rs
index 1cb360944..d8f31f179 100644
--- a/apps/vault/src/ctap/storage.rs
+++ b/apps/vault/src/ctap/storage.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/storage/key.rs b/apps/vault/src/ctap/storage/key.rs
index 6b6f28aed..798ec8cec 100644
--- a/apps/vault/src/ctap/storage/key.rs
+++ b/apps/vault/src/ctap/storage/key.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2020 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2020 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/timed_permission.rs b/apps/vault/src/ctap/timed_permission.rs
index f0e833047..27f773975 100644
--- a/apps/vault/src/ctap/timed_permission.rs
+++ b/apps/vault/src/ctap/timed_permission.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/token_state.rs b/apps/vault/src/ctap/token_state.rs
index 133eb57b3..a7595430d 100644
--- a/apps/vault/src/ctap/token_state.rs
+++ b/apps/vault/src/ctap/token_state.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/ctap/vendor_hid.rs b/apps/vault/src/ctap/vendor_hid.rs
index 159cecb14..bb8106c5b 100644
--- a/apps/vault/src/ctap/vendor_hid.rs
+++ b/apps/vault/src/ctap/vendor_hid.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/mod.rs b/apps/vault/src/env/mod.rs
index 7b00c8ed8..4c6963234 100644
--- a/apps/vault/src/env/mod.rs
+++ b/apps/vault/src/env/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/test/customization.rs b/apps/vault/src/env/test/customization.rs
index 0b7a64fda..c809287df 100644
--- a/apps/vault/src/env/test/customization.rs
+++ b/apps/vault/src/env/test/customization.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/test/mod.rs b/apps/vault/src/env/test/mod.rs
index 50d918471..98e0d2a9a 100644
--- a/apps/vault/src/env/test/mod.rs
+++ b/apps/vault/src/env/test/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/test/upgrade_storage.rs b/apps/vault/src/env/test/upgrade_storage.rs
index b935f3254..3350c1729 100644
--- a/apps/vault/src/env/test/upgrade_storage.rs
+++ b/apps/vault/src/env/test/upgrade_storage.rs
@@ -1,4 +1,5 @@
-// Copyright 2021 Google LLC
+#![rustfmt::skip]
+// Copyright2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/tock/mod.rs b/apps/vault/src/env/tock/mod.rs
index 193369568..0b36dd1e5 100644
--- a/apps/vault/src/env/tock/mod.rs
+++ b/apps/vault/src/env/tock/mod.rs
@@ -1,4 +1,5 @@
-// Copyright 2022 Google LLC
+#![rustfmt::skip]
+// Copyright2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/tock/storage.rs b/apps/vault/src/env/tock/storage.rs
index b5e6227c0..85fb0e23b 100644
--- a/apps/vault/src/env/tock/storage.rs
+++ b/apps/vault/src/env/tock/storage.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/env/xous/storage.rs b/apps/vault/src/env/xous/storage.rs
index 6324c4fdc..0c7ec561c 100644
--- a/apps/vault/src/env/xous/storage.rs
+++ b/apps/vault/src/env/xous/storage.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2021 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2021 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/apps/vault/src/lib.rs b/apps/vault/src/lib.rs
index 1351bf5b5..d9702d15f 100644
--- a/apps/vault/src/lib.rs
+++ b/apps/vault/src/lib.rs
@@ -1,4 +1,5 @@
-// Copyright 2019-2022 Google LLC
+#![rustfmt::skip]
+// Copyright2019-2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -42,8 +43,6 @@ pub mod api;
 // TODO(kaczmarczyck): Refactor this so that ctap module isn't public.
 pub mod ctap;
 pub mod env;
-#[cfg(feature = "std")]
-pub mod test_helpers;
 
 pub const KEEPALIVE_DELAY_MS: u64 = 100;
 pub const KEEPALIVE_DELAY: Duration = Duration::from_millis(KEEPALIVE_DELAY_MS);