Replace failure with an error.
Replace failure with an error.

dtwood/piston-image,mbrubeck/image,theotherphil/image,twoodford/image,bvssvni/image,JaySon-Huang/image,nwin/rust-image,PistonDevelopers/image,TyOverby/rust-image,lady-segfault/image,xanium4332/image,ruud-v-a/image,hetzge/image,huonw/image,tomaka/image,PistonDevelopers/image