Why do those useless instruction are in Rust final binary?

Question

I am currently reversing RUST binaries, and I often come across this block of instruction :

.text:000055F4BFB943F2 db      2Eh
.text:000055F4BFB943F2 nop     word ptr [rax+rax+00000000h]
.text:000055F4BFB943FC nop     dword ptr [rax+00h]

Which probably does nothing. I can see the rogue byte at the beginning, but pressing C on IDA to disassemble from there gives no result. Thus, I am wondering why rust compiler create those instructions as they appear to be useless.

Answer 1

These are instructions used for alignment. You can see that the last instruction ends on a 16-byte boundary (000055F4BFB94400).