You can set panic: abort [1] if you don't want the unwinding mechanism. You still get a nice error message on panic, which causes the compiler to link in some f

You can set panic: abort [1] if you don't want the unwinding mechanism. You still get a nice error message on panic, which causes the compiler to link in some formatting code from the standard library. I'm not sure if you can get rid of that. On the same page are also the options for controlling debug assertions and overflow checks, which would get rid of the "panics in debug, but not release", if that behavior bugs you 1: https://doc.rust-lang.org/cargo/reference/profiles.html#panic https://doc.rust-lang.org/cargo/reference/profiles.html#pani...