The benchmark at
fails to build as
error[E0308]: mismatched types
--> /home/nordlow/.cargo/registry/src/github.com-1ecc6299db9ec823/fs2-0.2.2/src/unix.rs:63:67
|
63 | let ret = unsafe { libc::posix_fallocate(file.as_raw_fd(), 0, len as off_t) };
| ^^^^^^^^^^^^ expected i64, found u64
error: aborting due to previous error
error: Could not compile `fs2`.
warning: build failed, waiting for other jobs to finish...
error: build failed
The error occurs in another unix.rs module.
I’m using Rust version 1.21.
What to do?