329         build_error!("Backend does not support fallible 8-bit read")  in try_read8()
338         build_error!("Backend does not support fallible 16-bit read")  in try_read16()
347         build_error!("Backend does not support fallible 32-bit read")  in try_read32()
356         build_error!("Backend does not support fallible 64-bit read")  in try_read64()
365         build_error!("Backend does not support fallible 8-bit write")  in try_write8()
374         build_error!("Backend does not support fallible 16-bit write")  in try_write16()
383         build_error!("Backend does not support fallible 32-bit write")  in try_write32()
392         build_error!("Backend does not support fallible 64-bit write")  in try_write64()
401         build_error!("Backend does not support infallible 8-bit read")  in read8()
410         build_error!("Backend does not support infallible 16-bit read")  in read16()
419         build_error!("Backend does not support infallible 32-bit read")  in read32()
428         build_error!("Backend does not support infallible 64-bit read")  in read64()
437         build_error!("Backend does not support infallible 8-bit write")  in write8()
446         build_error!("Backend does not support infallible 16-bit write")  in write16()
455         build_error!("Backend does not support infallible 32-bit write")  in write32()
464         build_error!("Backend does not support infallible 64-bit write")  in write64()