chore: update to Rust edition 2021

We were using resolver version 2 already, hence it makes sense to completely switch to Rust edition 2021. Closes filecoin-project#282. BREAKING CHANGE: Rust edition upgrade to 2021 Changes to the edition should always be released as a breaking change to prevent accidental down stream breakage.
pucedoteth · Nov 17, 2022 · 42c5cd1 · 42c5cd1
1 parent 1e94cce
commit 42c5cd1
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diff --git a/Cargo.toml b/Cargo.toml
@@ -14,9 +14,8 @@ license = "MIT/Apache-2.0"
 repository = "https://github.com/filecoin-project/bellman"
 version = "0.23.0"
 readme = "README.md"
-edition = "2018"
+edition = "2021"
 rust-version = "1.57.0"
-resolver = "2"
 
 [dependencies]
 blake2s_simd = "1.0.0"

diff --git a/src/lib.rs b/src/lib.rs
@@ -158,8 +158,6 @@ pub const BELLMAN_VERSION: &str = env!("CARGO_PKG_VERSION");
 
 #[cfg(feature = "groth16")]
 pub(crate) fn le_bytes_to_u64s(le_bytes: &[u8]) -> Vec<u64> {
-    use std::convert::TryInto;
-
     assert_eq!(
         le_bytes.len() % 8,
         0,

diff --git a/verifier-bench/Cargo.toml b/verifier-bench/Cargo.toml
@@ -2,7 +2,7 @@
 [package]
 name = "verifier-bench"
 version = "0.0.1"
-edition = "2018"
+edition = "2021"
 publish = false
 
 [dependencies]