cargo rustc --manifest-path ./engine/Cargo.toml --bin engine --release --no-default-features --features release -- -C target-cpu=native --emit link=Tcheran-79B07E3B-108B5024
    Updating crates.io index
warning: failed to write cache, path: /opt/rust/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/2/cc, error: Permission denied (os error 13)
 Downloading crates ...
  Downloaded shlex v1.3.0
error: failed to create directory `/opt/rust/registry/cache/index.crates.io-1949cf8c6b5b557f`

Caused by:
  Permission denied (os error 13)
make: *** [Makefile:10: openbench] Error 101