building '/nix/store/jwiha6ngv0x6walm5whbpapw1r8k5c2p-nixos-boot-disk.drv'... Formatting '/nix/store/lqgn1mjg42mymnlsgnd2wxhswsbxhzi5-nixos-boot-disk/disk.img', fmt=qcow2 size=41943040 cluster_size=65536 lazy_refcounts=off refcount_bits=16 QEMU 2.12.0 monitor - type 'help' for more information (qemu) qemu-system-x86_64: -serial pty: char device redirected to /dev/pts/0 (label serial0) builder for '/nix/store/jwiha6ngv0x6walm5whbpapw1r8k5c2p-nixos-boot-disk.drv' failed with exit code 1 cannot build derivation '/nix/store/z49c2pijk23y613psd7akxkxhyqc48kd-run-nixos-vm.drv': 1 dependencies couldn't be built cannot build derivation '/nix/store/i04yl8l61bmc00kqjf2d4rwnflgxfiks-nixos-vm.drv': 1 dependencies couldn't be built error: build of '/nix/store/i04yl8l61bmc00kqjf2d4rwnflgxfiks-nixos-vm.drv' failed