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 9434668.45 Kbytes (9213.54 Mbytes) 45.82% of uncompressed filesystem size (20589158.17 Kbytes) Inode table size 5867817 bytes (5730.29 Kbytes) 22.17% of uncompressed inode table size (26464039 bytes) Directory table size 6724208 bytes (6566.61 Kbytes) 35.47% of uncompressed directory table size (18959552 bytes) Number of duplicate files found 104870 Number of inodes 677445 Number of files 444276 Number of fragments 5496 Number of symbolic links 86961 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 146208 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/xcr6x7w1z0ydgkd6srx8720dkrgm9mn3-spaces-os.iso/iso/spaces-os.iso' Media current: stdio file, overwriteable Media status : is blank Media summary: 0 sessions, 0 data blocks, 0 data, 1314g free 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/02ggy47qb66jdq894c5b9in1r5f4y0wr-syslinux-unstable-2019-02-07/share/syslinux/isohdpfx.bin' libisofs: NOTE : Automatically adjusted MBR geometry to 1183/255/63 libisofs: WARNING : Image size exceeds 1024 cylinders. Cannot align partition. libisofs: WARNING : There are said to be BIOSes which will not boot this via MBR. xorriso : UPDATE : 0.40% done xorriso : UPDATE : 2.30% done xorriso : UPDATE : 7.36% done xorriso : UPDATE : 12.27% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 17.52% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 22.26% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 27.44% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 32.25% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 37.74% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 42.80% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 47.56% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 52.66% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 56.87% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 61.55% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 65.57% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 70.56% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 75.62% done, estimate finish Wed Aug 05 07:09:07 2026 xorriso : UPDATE : 80.74% done, estimate finish Wed Aug 05 07:09:06 2026 xorriso : UPDATE : 85.61% done, estimate finish Wed Aug 05 07:09:06 2026 xorriso : UPDATE : 90.28% done xorriso : UPDATE : 95.08% done ISO image produced: 4749097 sectors Written to medium : 4749097 sectors at LBA 0 Writing to 'stdio:/nix/store/xcr6x7w1z0ydgkd6srx8720dkrgm9mn3-spaces-os.iso/iso/spaces-os.iso' completed successfully.