structuredAttrs is enabled Parallel mksquashfs: Using 32 processors Creating 4.0 filesystem on nix-store.squashfs, block size 1048576. Exportable Squashfs 4.0 filesystem, zstd compressed, data block size 1048576 compressed data, compressed metadata, compressed fragments, compressed xattrs, compressed ids duplicates are removed Filesystem size 558614.99 Kbytes (545.52 Mbytes) 33.52% of uncompressed filesystem size (1666460.07 Kbytes) Inode table size 1240478 bytes (1211.40 Kbytes) 19.81% of uncompressed inode table size (6261996 bytes) Directory table size 1482901 bytes (1448.15 Kbytes) 34.89% of uncompressed directory table size (4250235 bytes) Number of duplicate files found 3321 Number of inodes 164517 Number of files 99609 Number of fragments 990 Number of symbolic links 16905 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 48003 Number of hard-links 0 Number of ids (unique uids + gids) 1 Number of uids 1 root (0) Number of gids 1 root (0) xorriso 1.5.8.pl02 : RockRidge filesystem manipulator, libburnia project. xorriso : NOTE : Environment variable SOURCE_DATE_EPOCH encountered with value 315532800 Drive current: -outdev 'stdio:/nix/store/ih1bs9ibix22v28ksnx2g4c6dhw8cmx5-nixos-minimal-26.11.20260903.0968519-x86_64-linux.iso/iso/nixos-minimal-26.11.20260903.0968519-x86_64-linux.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 695g free xorriso : WARNING : -volid text does not comply to ISO 9660 / ECMA 119 rules xorriso : UPDATE : 194 files added in 1 seconds Added 12 items from file 'pathlist' xorriso : UPDATE : 194 files added in 1 seconds xorriso : NOTE : Copying to System Area: 432 bytes from file '/nix/store/9fwzfb7l9p5w72iizqmav481f9ydfpp4-syslinux-unstable-2019-02-07/share/syslinux/isohdpfx.bin' libisofs: NOTE : Aligned image size to cylinder size by 394 blocks xorriso : UPDATE : 2.72% done xorriso : UPDATE : 96.23% done ISO image produced: 307712 sectors Written to medium : 307712 sectors at LBA 0 Writing to 'stdio:/nix/store/ih1bs9ibix22v28ksnx2g4c6dhw8cmx5-nixos-minimal-26.11.20260903.0968519-x86_64-linux.iso/iso/nixos-minimal-26.11.20260903.0968519-x86_64-linux.iso' completed successfully.