Allow multiple versions of bitflags

bril-rs/brillvm/src/lib.rs

@@ -2,6 +2,8 @@
 #![allow(clippy::too_many_lines)]
 #![allow(clippy::needless_for_each)]
 #![doc = include_str!("../README.md")]
+// When you run with --all-targets, you also get --target=all which includes --target=redox. This pulls in redox_sys via a chain of deps through inkwell-parking_lot which uses an older version of bitflags 1.3.2. Given backwards compatibility, it's going to be a very long time, if ever, that this gets updated(because of msrv changes).
+#![allow(clippy::multiple_crate_versions)]
 
 #[doc(hidden)]
 pub mod cli;