Downloader: Propagate exceptions from decompressionSink->finish()
Downloader: Propagate exceptions from decompressionSink->finish()

(cherry picked from commit 15fa70cd1b853f5e62662b99ccb9ef3da6cfadff)

rycee/nix,ehmry/nix,ehmry/nix,NixOS/nix,ehmry/nix,ehmry/nix,rycee/nix,dtzWill/nix,ehmry/nix,dtzWill/nix,NixOS/nix,NixOS/nix,rycee/nix,pikajude/nix,dtzWill/nix,dtzWill/nix,rycee/nix,pikajude/nix,pikajude/nix,rycee/nix,NixOS/nix,ehmry/nix,NixOS/nix,dtzWill/nix