Update to Rust 2021.

bytecodealliance · Jun 30, 2023 · d4be156 · d4be156
1 parent a2f2c4c
commit d4be156
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diff --git a/Cargo.toml b/Cargo.toml
@@ -7,7 +7,7 @@ license = "Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT"
 keywords = ["api", "network", "file"]
 categories = ["filesystem", "network-programming", "os"]
 repository = "https://github.com/bytecodealliance/system-interface"
-edition = "2018"
+edition = "2021"
 exclude = ["/.github"]
 
 [dependencies]

diff --git a/src/fs/file_io_ext.rs b/src/fs/file_io_ext.rs
@@ -22,7 +22,6 @@ use rustix::fs::fcntl_rdadvise;
 use rustix::fs::{fallocate, FallocateFlags};
 #[cfg(not(any(windows, target_os = "ios", target_os = "macos", target_os = "redox")))]
 use rustix::io::{preadv, pwritev};
-use std::convert::TryInto;
 use std::io::{self, IoSlice, IoSliceMut, Seek, SeekFrom};
 use std::slice;
 #[cfg(windows)]