these 6 derivations will be built: /nix/store/6gxd1l6dy9mysgfmayv23kfr5n1wmsvn-version.drv /nix/store/bkbkqj44i5yhg6xvzgcg196f7imw0az6-isolinux.cfg.drv /nix/store/fvhpil1gx6q60gkh7kd3kbk6cdn525vh-efi-directory.drv /nix/store/mfw41shcbnn03sgl2sd4a88gp584bbsm-closure-info.drv /nix/store/q91v8skgxi9n7b7byvycr3pvp67n3qx6-efi-image_eltorito.drv /nix/store/z8mcmkwd3lmbz7w8v7h39r45rryk8sdm-spaces-os.iso.drv building '/nix/store/bkbkqj44i5yhg6xvzgcg196f7imw0az6-isolinux.cfg.drv' building '/nix/store/6gxd1l6dy9mysgfmayv23kfr5n1wmsvn-version.drv' building '/nix/store/mfw41shcbnn03sgl2sd4a88gp584bbsm-closure-info.drv' building '/nix/store/fvhpil1gx6q60gkh7kd3kbk6cdn525vh-efi-directory.drv' closure-info> structuredAttrs is enabled efi-directory> Building GRUB with modules: efi-directory> - fat efi-directory> - iso9660 efi-directory> - part_gpt efi-directory> - part_msdos efi-directory> - normal efi-directory> - boot efi-directory> - linux efi-directory> - configfile efi-directory> - loopback efi-directory> - chain efi-directory> - halt efi-directory> - efifwsetup efi-directory> - efi_gop efi-directory> - ls efi-directory> - search efi-directory> - search_label efi-directory> - search_fs_uuid efi-directory> - search_fs_file efi-directory> - echo efi-directory> - serial efi-directory> - gfxmenu efi-directory> - gfxterm efi-directory> - gfxterm_background efi-directory> - gfxterm_menu efi-directory> - test efi-directory> - loadenv efi-directory> - all_video efi-directory> - videoinfo efi-directory> - png efi-directory> Adding additional modules: efi-directory> - efi_uga efi-directory> '/nix/store/c6zqczb7nhr8754qqkpjchyvkxwnch71-refind-0.14.2/share/refind/refind_x64.efi' -> '/nix/store/7ky7nsxvv395qq595c1yhidjgadj0b5l-efi-directory/EFI/BOOT/refind_x64.efi' building '/nix/store/q91v8skgxi9n7b7byvycr3pvp67n3qx6-efi-image_eltorito.drv' efi-image_eltorito> Usage size: 2097152 efi-image_eltorito> Image size: 3145728 efi-image_eltorito> mkfs.fat 4.2 (2021-01-31) efi-image_eltorito> Copying BOOTX64.EFI efi-image_eltorito> Copying grub.cfg efi-image_eltorito> Copying refind_x64.efi efi-image_eltorito> fsck.fat 4.2 (2021-01-31) efi-image_eltorito> Checking we can access the last sector of the filesystem efi-image_eltorito> Boot sector contents: efi-image_eltorito> System ID "mkfs.fat" efi-image_eltorito> Media byte 0xf8 (hard disk) efi-image_eltorito> 512 bytes per logical sector efi-image_eltorito> 2048 bytes per cluster efi-image_eltorito> 1 reserved sector efi-image_eltorito> First FAT starts at byte 512 (sector 1) efi-image_eltorito> 2 FATs, 12 bit entries efi-image_eltorito> 2560 bytes per FAT (= 5 sectors) efi-image_eltorito> Root directory starts at byte 5632 (sector 11) efi-image_eltorito> 512 root directory entries efi-image_eltorito> Data area starts at byte 22016 (sector 43) efi-image_eltorito> 1525 data clusters (3123200 bytes) efi-image_eltorito> 32 sectors/track, 2 heads efi-image_eltorito> 0 hidden sectors efi-image_eltorito> 6144 sectors total efi-image_eltorito> Checking for unused clusters. efi-image_eltorito> /nix/store/1lhym0da935j5hg8m9806hwc8cjs8z7h-efi-image_eltorito: 6 files, 719/1525 clusters building '/nix/store/z8mcmkwd3lmbz7w8v7h39r45rryk8sdm-spaces-os.iso.drv' spaces-os.iso> structuredAttrs is enabled spaces-os.iso> Parallel mksquashfs: Using 32 processors spaces-os.iso> Creating 4.0 filesystem on nix-store.squashfs, block size 1048576. spaces-os.iso> spaces-os.iso> spaces-os.iso> Exportable Squashfs 4.0 filesystem, zstd compressed, data block size 1048576 spaces-os.iso> compressed data, compressed metadata, compressed fragments, spaces-os.iso> compressed xattrs, compressed ids spaces-os.iso> duplicates are removed spaces-os.iso> Filesystem size 9036106.30 Kbytes (8824.32 Mbytes) spaces-os.iso> 44.68% of uncompressed filesystem size (20222434.02 Kbytes) spaces-os.iso> Inode table size 5885565 bytes (5747.62 Kbytes) spaces-os.iso> 22.15% of uncompressed inode table size (26571775 bytes) spaces-os.iso> Directory table size 6749143 bytes (6590.96 Kbytes) spaces-os.iso> 35.47% of uncompressed directory table size (19026744 bytes) spaces-os.iso> Number of duplicate files found 105272 spaces-os.iso> Number of inodes 679547 spaces-os.iso> Number of files 445704 spaces-os.iso> Number of fragments 5517 spaces-os.iso> Number of symbolic links 87465 spaces-os.iso> Number of device nodes 0 spaces-os.iso> Number of fifo nodes 0 spaces-os.iso> Number of socket nodes 0 spaces-os.iso> Number of directories 146378 spaces-os.iso> Number of hard-links 0 spaces-os.iso> Number of ids (unique uids + gids) 1 spaces-os.iso> Number of uids 1 spaces-os.iso> root (0) spaces-os.iso> Number of gids 1 spaces-os.iso> root (0) spaces-os.iso> xorriso 1.5.8.pl02 : RockRidge filesystem manipulator, libburnia project. spaces-os.iso> spaces-os.iso> xorriso : NOTE : Environment variable SOURCE_DATE_EPOCH encountered with value 315532800 spaces-os.iso> Drive current: -outdev 'stdio:/nix/store/wynwn5wfy1rmjkjd0nh8hx9l8maw8h2x-spaces-os.iso/iso/spaces-os.iso' spaces-os.iso> Media current: stdio file, overwriteable spaces-os.iso> Media status : is blank spaces-os.iso> Media summary: 0 sessions, 0 data blocks, 0 data, 1137g free spaces-os.iso> xorriso : UPDATE : 194 files added in 1 seconds spaces-os.iso> Added 12 items from file 'pathlist' spaces-os.iso> xorriso : UPDATE : 194 files added in 1 seconds spaces-os.iso> xorriso : NOTE : Copying to System Area: 432 bytes from file '/nix/store/02ggy47qb66jdq894c5b9in1r5f4y0wr-syslinux-unstable-2019-02-07/share/syslinux/isohdpfx.bin' spaces-os.iso> libisofs: NOTE : Automatically adjusted MBR geometry to 1133/255/63 spaces-os.iso> libisofs: WARNING : Image size exceeds 1024 cylinders. Cannot align partition. spaces-os.iso> libisofs: WARNING : There are said to be BIOSes which will not boot this via MBR. spaces-os.iso> xorriso : UPDATE : 0.14% done spaces-os.iso> xorriso : UPDATE : 0.63% done spaces-os.iso> xorriso : UPDATE : 1.51% done spaces-os.iso> xorriso : UPDATE : 3.29% done, estimate finish Wed Aug 12 04:31:35 2026 spaces-os.iso> xorriso : UPDATE : 4.54% done, estimate finish Wed Aug 12 04:31:33 2026 spaces-os.iso> xorriso : UPDATE : 6.18% done, estimate finish Wed Aug 12 04:31:29 2026 spaces-os.iso> xorriso : UPDATE : 7.98% done, estimate finish Wed Aug 12 04:31:25 2026 spaces-os.iso> xorriso : UPDATE : 8.57% done, estimate finish Wed Aug 12 04:31:32 2026 spaces-os.iso> xorriso : UPDATE : 12.29% done, estimate finish Wed Aug 12 04:31:17 2026 spaces-os.iso> xorriso : UPDATE : 14.34% done, estimate finish Wed Aug 12 04:31:15 2026 spaces-os.iso> xorriso : UPDATE : 16.62% done, estimate finish Wed Aug 12 04:31:12 2026 spaces-os.iso> xorriso : UPDATE : 18.26% done, estimate finish Wed Aug 12 04:31:13 2026 spaces-os.iso> xorriso : UPDATE : 19.59% done, estimate finish Wed Aug 12 04:31:14 2026 spaces-os.iso> xorriso : UPDATE : 20.61% done, estimate finish Wed Aug 12 04:31:16 2026 spaces-os.iso> xorriso : UPDATE : 21.41% done, estimate finish Wed Aug 12 04:31:16 2026 spaces-os.iso> xorriso : UPDATE : 22.61% done, estimate finish Wed Aug 12 04:31:17 2026 spaces-os.iso> xorriso : UPDATE : 23.24% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 23.71% done, estimate finish Wed Aug 12 04:31:23 2026 spaces-os.iso> xorriso : UPDATE : 25.97% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 28.75% done, estimate finish Wed Aug 12 04:31:17 2026 spaces-os.iso> xorriso : UPDATE : 29.29% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 29.82% done, estimate finish Wed Aug 12 04:31:23 2026 spaces-os.iso> xorriso : UPDATE : 31.22% done, estimate finish Wed Aug 12 04:31:23 2026 spaces-os.iso> xorriso : UPDATE : 34.20% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 34.89% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 35.97% done, estimate finish Wed Aug 12 04:31:25 2026 spaces-os.iso> xorriso : UPDATE : 38.65% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 40.79% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 42.42% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 43.03% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 44.93% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 45.86% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 48.02% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 50.32% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 51.94% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 52.37% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 53.39% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 54.85% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 56.00% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 56.35% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 59.67% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 61.77% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 62.85% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 65.76% done, estimate finish Wed Aug 12 04:31:18 2026 spaces-os.iso> xorriso : UPDATE : 68.68% done, estimate finish Wed Aug 12 04:31:17 2026 spaces-os.iso> xorriso : UPDATE : 69.47% done, estimate finish Wed Aug 12 04:31:17 2026 spaces-os.iso> xorriso : UPDATE : 70.42% done, estimate finish Wed Aug 12 04:31:18 2026 spaces-os.iso> xorriso : UPDATE : 71.49% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 73.10% done, estimate finish Wed Aug 12 04:31:18 2026 spaces-os.iso> xorriso : UPDATE : 74.89% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 75.29% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 76.74% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 79.32% done, estimate finish Wed Aug 12 04:31:18 2026 spaces-os.iso> xorriso : UPDATE : 81.24% done, estimate finish Wed Aug 12 04:31:18 2026 spaces-os.iso> xorriso : UPDATE : 82.38% done, estimate finish Wed Aug 12 04:31:19 2026 spaces-os.iso> xorriso : UPDATE : 82.79% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 84.35% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 84.51% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 86.83% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 88.40% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 90.11% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 91.39% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 93.27% done, estimate finish Wed Aug 12 04:31:20 2026 spaces-os.iso> xorriso : UPDATE : 93.59% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 94.06% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 96.05% done, estimate finish Wed Aug 12 04:31:21 2026 spaces-os.iso> xorriso : UPDATE : 96.58% done, estimate finish Wed Aug 12 04:31:22 2026 spaces-os.iso> xorriso : UPDATE : 96.58% done, estimate finish Wed Aug 12 04:31:23 2026 spaces-os.iso> xorriso : UPDATE : 97.32% done, estimate finish Wed Aug 12 04:31:24 2026 spaces-os.iso> xorriso : UPDATE : 98.57% done spaces-os.iso> xorriso : UPDATE : 99.71% done spaces-os.iso> ISO image produced: 4549846 sectors spaces-os.iso> Written to medium : 4549846 sectors at LBA 0 spaces-os.iso> Writing to 'stdio:/nix/store/wynwn5wfy1rmjkjd0nh8hx9l8maw8h2x-spaces-os.iso/iso/spaces-os.iso' completed successfully. spaces-os.iso> post-build step Upload to niks3: ok time=2026-08-12T04:31:49.850Z level=INFO msg="Uploading 1 paths to 127.0.0.1 (0 already cached)" time=2026-08-12T04:31:49.851Z level=INFO msg="Uploading wynwn5wfy1rmjkjd0nh8hx9l8maw8h2x-spaces-os.iso (8.7GB)" time=2026-08-12T04:32:35.833Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260812%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260812T043149Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&partNumber=12&uploadId=4_z2e6a7a2ec763c07294f10019_f2453e8ee89b6e382_d20260812_m043149_c003_v0312009_t0013_u01786509109832&X-Amz-Signature=aa318f8be3618aafcdd44f2d0ffea9f79a9c0e23c7728520d631b1fc29894c90" time=2026-08-12T04:36:56.058Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=101 requesting=100 time=2026-08-12T04:36:56.064Z level=INFO msg="Received additional part URLs" count=100 total_parts=200 time=2026-08-12T04:41:53.318Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=201 requesting=100 time=2026-08-12T04:41:53.325Z level=INFO msg="Received additional part URLs" count=100 total_parts=300 time=2026-08-12T04:47:11.367Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=301 requesting=100 time=2026-08-12T04:47:11.379Z level=INFO msg="Received additional part URLs" count=100 total_parts=400 time=2026-08-12T04:52:24.465Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=401 requesting=100 time=2026-08-12T04:52:24.471Z level=INFO msg="Received additional part URLs" count=100 total_parts=500 time=2026-08-12T04:55:50.729Z level=WARN msg="Request returned retryable status, retrying" attempt=1 max_attempts=6 backoff=100ms status=500 url="https://s3.eu-central-003.backblazeb2.com/geninf-cache/nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260812%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260812T045224Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&partNumber=467&uploadId=4_z2e6a7a2ec763c07294f10019_f2453e8ee89b6e382_d20260812_m043149_c003_v0312009_t0013_u01786509109832&X-Amz-Signature=7b2c0a4e05dd7ed2460e9be8b1899efcf3cfa1ec0f8790e46de6cf37d88fdaa3" time=2026-08-12T04:57:37.995Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=501 requesting=100 time=2026-08-12T04:57:38.001Z level=INFO msg="Received additional part URLs" count=100 total_parts=600 time=2026-08-12T05:01:46.403Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=601 requesting=100 time=2026-08-12T05:01:46.409Z level=INFO msg="Received additional part URLs" count=100 total_parts=700 time=2026-08-12T05:05:54.138Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=701 requesting=100 time=2026-08-12T05:05:54.145Z level=INFO msg="Received additional part URLs" count=100 total_parts=800 time=2026-08-12T05:09:43.471Z level=INFO msg="Requesting additional part URLs" object_key=nar/01bwgwxiry75yi5rhkgb57zzydpss8h0f77yxkxxiwl34ixyhyxs.nar.zst current_part=801 requesting=100 time=2026-08-12T05:09:43.478Z level=INFO msg="Received additional part URLs" count=100 total_parts=900 time=2026-08-12T05:13:00.961Z level=INFO msg="Uploading 1 narinfos" time=2026-08-12T05:13:02.668Z level=INFO msg="Upload complete. (41m12.956s)"