update-report: tweak migration failure message.
update-report: tweak migration failure message.

zmwangx/brew,DomT4/brew,DomT4/brew,rwhogg/brew,tonyg/homebrew,konqui/brew,nandub/brew,zmwangx/brew,vitorgalvao/brew,pseudocody/brew,mgrimes/brew,jmsundar/brew,EricFromCanada/brew,konqui/brew,claui/brew,hanxue/linuxbrew,Linuxbrew/brew,rwhogg/brew,mahori/brew,Linuxbrew/brew,toonetown/homebrew,hanxue/linuxbrew,pseudocody/brew,ilovezfs/brew,toonetown/homebrew,maxim-belkin/brew,toonetown/homebrew,mgrimes/brew,muellermartin/dist,aw1621107/brew,DomT4/brew,claui/brew,gregory-nisbet/brew,bfontaine/brew,sjackman/homebrew,Homebrew/brew,nandub/brew,mahori/brew,sjackman/homebrew,aw1621107/brew,amar-laksh/brew_sudo,nandub/brew,alyssais/brew,nandub/brew,reitermarkus/brew,reitermarkus/brew,ilovezfs/brew,maxim-belkin/brew,JCount/brew,jmsundar/brew,mgrimes/brew,MikeMcQuaid/brew,konqui/brew,MikeMcQuaid/brew,Homebrew/brew,EricFromCanada/brew,aw1621107/brew,muellermartin/dist,pseudocody/brew,tonyg/homebrew,JCount/brew,DomT4/brew,Linuxbrew/brew,mahori/brew,bfontaine/brew,konqui/brew,MikeMcQuaid/brew,reelsense/brew,alyssais/brew,JCount/brew,amar-laksh/brew_sudo,gregory-nisbet/brew,palxex/brew,MikeMcQuaid/brew,claui/brew,reelsense/brew,EricFromCanada/brew,Homebrew/brew,jmsundar/brew,sjackman/homebrew,reitermarkus/brew,palxex/brew,vitorgalvao/brew,amar-laksh/brew_sudo,tonyg/homebrew,ilovezfs/brew,hanxue/linuxbrew,JCount/brew,palxex/brew,EricFromCanada/brew,sjackman/homebrew,zmwangx/brew,maxim-belkin/brew,alyssais/brew,claui/brew,gregory-nisbet/brew,vitorgalvao/brew,reelsense/brew,bfontaine/brew,vitorgalvao/brew,Homebrew/brew,rwhogg/brew,Linuxbrew/brew,reitermarkus/brew,mahori/brew,muellermartin/dist