don't set RUSTC_DEBUG_ASSERTIONS here; let cargo-miri do that
don't set RUSTC_DEBUG_ASSERTIONS here; let cargo-miri do that

graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust