_ => {
option_env!("RUST_SYSROOT")
.expect(
- "could not find sysroot. either set `MIRI_SYSROOT` at run-time, or at \
+ "could not find sysroot. Either set `MIRI_SYSROOT` at run-time, or at \
build-time specify `RUST_SYSROOT` env var or use rustup or multirust",
)
.to_owned()