source/roaring/roaring.d(139,56): Error: `bits.ptr` cannot be used in `@safe` code, use `&bits[0]` instead source/roaring/roaring.d(152,60): Error: `buf.ptr` cannot be used in `@safe` code, use `&buf[0]` instead source/roaring/roaring.d(162,69): Error: `buf.ptr` cannot be used in `@safe` code, use `&buf[0]` instead source/roaring/roaring.d(194,53): Error: `a.ptr` cannot be used in `@safe` code, use `&a[0]` instead source/roaring/roaring.d(526,55): Error: cannot take address of local `v` in `@safe` function `opIndex` /opt/dmd-safe/dmd/dmd-safe failed with exit code 1.