Remove MANY warnings
Remove MANY warnings

silvio/rust-coreutils,wimh/coreutils,kevgeniy/coreutils,Shir0kamii/coreutils,steveklabnik/coreutils,kwantam/coreutils,dennis/coreutils,Shtong/coreutils,samfoo/coreutils,samfoo/coreutils,bundai223/coreutils,kwantam/coreutils,uutils/coreutils,uutils/coreutils,beni55/coreutils,uutils/coreutils,kball/coreutils,dokaptur/coreutils,Gianbaoluo/coreutils,dennis/coreutils,sshling/coreutils,kevgeniy/coreutils,sshling/coreutils,kball/coreutils,efuquen/coreutils,ebfe/coreutils,silvio/rust-coreutils,dbrgn/coreutils,Heather/coreutils,Shir0kamii/coreutils,jbcrail/coreutils,keunwoo/coreutils,Arcterus/coreutils,mauricio/coreutils,ebfe/coreutils,efuquen/coreutils,mauricio/coreutils,Shtong/coreutils,retep998/coreutils,keunwoo/coreutils,jbcrail/coreutils,retep998/coreutils,tempbottle/coreutils,hexsel/coreutils,steveklabnik/coreutils,filmor/coreutils,Gianbaoluo/coreutils,Heather/coreutils,tempbottle/coreutils,dbrgn/coreutils,filmor/coreutils,polapl/coreutils,hexsel/coreutils,dbrgn/coreutils,bundai223/coreutils,wimh/coreutils,polapl/coreutils,Arcterus/coreutils,beni55/coreutils