$ cargo install mpw-rs
Updating crates.io index
Installing mpw-rs v2.4.3
error: failed to compile `mpw-rs v2.4.3`, intermediate artifacts can be found at `/tmp/cargo-installMJyAsf`
Caused by:
failed to select a version for the requirement `ring = "^0.11"`
candidate versions found which didn't match: 0.14.6, 0.14.5, 0.14.4, ...
location searched: crates.io index
required by package `mpw-rs v2.4.3`