Nix daemon:
at `debootstrap' [system = "i686-linux"]:
getting attributes of path `/nix/store/dmhydkv6y1l4wpz4wq8qkf0fnlrhjr3l-svn-export/pkgs/tools/misc/debootstrap/subst.patch': No such file or directory
at `debootstrap' [system = "x86_64-linux"]:
writing to file: Broken pipe
etc.
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