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 9022121.65 Kbytes (8810.67 Mbytes) 44.71% of uncompressed filesystem size (20181291.16 Kbytes) Inode table size 5887684 bytes (5749.69 Kbytes) 22.21% of uncompressed inode table size (26507263 bytes) Directory table size 6745188 bytes (6587.10 Kbytes) 35.48% of uncompressed directory table size (19010223 bytes) Number of duplicate files found 105246 Number of inodes 678821 Number of files 445376 Number of fragments 5503 Number of symbolic links 86958 Number of device nodes 0 Number of fifo nodes 0 Number of socket nodes 0 Number of directories 146487 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/xg0jayci2mlahr23yfwgp2nafazcpcqz-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, 1153g 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 1132/255/63 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 : 0.58% done xorriso : UPDATE : 8.00% done xorriso : UPDATE : 14.21% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 20.67% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 26.96% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 32.87% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 39.26% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 45.03% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 50.95% done, estimate finish Sun Aug 09 04:23:45 2026 xorriso : UPDATE : 57.03% done, estimate finish Sun Aug 09 04:23:45 2026 xorriso : UPDATE : 63.36% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 69.68% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 75.56% done, estimate finish Sun Aug 09 04:23:43 2026 xorriso : UPDATE : 81.33% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 87.06% done, estimate finish Sun Aug 09 04:23:44 2026 xorriso : UPDATE : 93.77% done xorriso : UPDATE : 99.85% done ISO image produced: 4542823 sectors Written to medium : 4542823 sectors at LBA 0 Writing to 'stdio:/nix/store/xg0jayci2mlahr23yfwgp2nafazcpcqz-spaces-os.iso/iso/spaces-os.iso' completed successfully.