Remove macro_use

As of Rust 2018, macro_use is no longer required in most circumstances.
I think it is generally a good idea to remove these when not needed, to
stop them from polluting the crate's global namespace.
https://doc.rust-lang.org/edition-guide/rust-2018/macros/macro-changes.html#macro_rules-style-macros

1 files changed, 3 insertions, 0 deletions

diff --git a/nix-rust/src/util/base32.rs b/nix-rust/src/util/base32.rs
index ba7368933..efd4a2901 100644
--- a/nix-rust/src/util/base32.rs
+++ b/nix-rust/src/util/base32.rs
@@ -1,4 +1,5 @@
 use crate::error::Error;
+use lazy_static::lazy_static;
 
 pub fn encoded_len(input_len: usize) -> usize {
     if input_len == 0 {
@@ -87,7 +88,9 @@ pub fn decode(input: &str) -> Result<Vec<u8>, crate::Error> {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use assert_matches::assert_matches;
     use hex;
+    use proptest::proptest;
 
     #[test]
     fn test_encode() {