cargo rustc --manifest-path ./engine/Cargo.toml --bin engine --release --no-default-features --features release --features spsa -- -C target-cpu=native --emit link=Tcheran-9C046BB9-B1CA130B
error: could not create home directory: '/nonexistent/.rustup': Permission denied (os error 13)
make: *** [Makefile:10: openbench] Error 1