It is not guaranteed that write() process the entire buffer. Therefore
either a check for the amount of data written must be added or write()
is replaced by write_all().
Coverage remained the same at 41.221% when pulling 70f49258ae5febf48f8fbc70ab7a8024ebe4d3c8 on niko2342:master into 1be26713cef989c080dfa9a8bd0b37c183484dcb on rust-leipzig:master.
It is not guaranteed that write() process the entire buffer. Therefore either a check for the amount of data written must be added or write() is replaced by write_all().
https://github.com/Manishearth/rust-clippy/wiki#unused_io_amount