these 15 derivations will be built:
  /nix/store/8k04zv0kjavpsgi4c30sjasigqpx7pad-etc-ssh-ssh_known_hosts.drv
  /nix/store/kl13ggm8p7snv9b1fq4ablcsscqk7nah-decrypt-age-secrets.drv
  /nix/store/756kkrs6a91a64l8fzy1kk5wd0l7bflw-unit-age-decrypt-secrets.service.drv
  /nix/store/niigd2lb211zjq3xyawr8s4jcb6c7j9q-string-hosts.drv
  /nix/store/rarny0mjan1hy5897gpv0ppxgqlwpvbd-hosts.drv
  /nix/store/ai46awzci8ym6b1f3dj07r5scgyq8mh1-nftables-rules.drv
  /nix/store/v8d4sf5nyiqidv5gazwi7ri41fzawrmd-unit-nftables.service.drv
  /nix/store/9ri7xlyjila1pi6p4lha53jqs8l4syf7-system-units.drv
  /nix/store/2fvx0adpj8pp0p0hglp8zcrwmwfgw3xy-etc.drv
  /nix/store/yra9gx0szz61k31wq1skjh7zw88r8lxr-etc-json.drv
  /nix/store/vx41sbxa2vv4bvd1i4lpgaaxsgn5s32q-etc-dump.drv
  /nix/store/40h42z2lxvf1139cd8pizyla3i2hwj2q-etc-metadata.erofs.drv
  /nix/store/qjcln29rjc0jmk7fqhfnabfriq76pnra-activate.drv
  /nix/store/y0wb60bv51pbvhpwx89w5c408y8bbp2p-boot.json.drv
  /nix/store/id28wacmsxab3iq63kbib3zqa07lp0j8-nixos-system-fabro01-26.11.20260807.f13ff45.drv
building '/nix/store/8k04zv0kjavpsgi4c30sjasigqpx7pad-etc-ssh-ssh_known_hosts.drv'
building '/nix/store/niigd2lb211zjq3xyawr8s4jcb6c7j9q-string-hosts.drv'
building '/nix/store/kl13ggm8p7snv9b1fq4ablcsscqk7nah-decrypt-age-secrets.drv'
building '/nix/store/rarny0mjan1hy5897gpv0ppxgqlwpvbd-hosts.drv'
building '/nix/store/ai46awzci8ym6b1f3dj07r5scgyq8mh1-nftables-rules.drv'
building '/nix/store/756kkrs6a91a64l8fzy1kk5wd0l7bflw-unit-age-decrypt-secrets.service.drv'
unit-age-decrypt-secrets.service> structuredAttrs is enabled
building '/nix/store/v8d4sf5nyiqidv5gazwi7ri41fzawrmd-unit-nftables.service.drv'
unit-nftables.service> structuredAttrs is enabled
building '/nix/store/9ri7xlyjila1pi6p4lha53jqs8l4syf7-system-units.drv'
building '/nix/store/yra9gx0szz61k31wq1skjh7zw88r8lxr-etc-json.drv'
building '/nix/store/2fvx0adpj8pp0p0hglp8zcrwmwfgw3xy-etc.drv'
building '/nix/store/vx41sbxa2vv4bvd1i4lpgaaxsgn5s32q-etc-dump.drv'
etc-dump> Building composefs dump...
etc-dump> /bash_logout
etc-dump> /bashrc
etc-dump> /binfmt.d
etc-dump> /binfmt.d/nixos.conf
etc-dump> /cloud
etc-dump> /cloud/cloud.cfg
etc-dump> /dbus-1
etc-dump> /default
etc-dump> /default/useradd
etc-dump> /environment.d
etc-dump> /environment.d/50-systemd-path.conf
etc-dump> /fstab
etc-dump> /gai.conf
etc-dump> /host.conf
etc-dump> /hostid
etc-dump> /hostname
etc-dump> /hosts
etc-dump> /inputrc
etc-dump> /issue
etc-dump> /kbd
etc-dump> /locale.conf
etc-dump> /localtime
etc-dump> /login.defs
etc-dump> /lsb-release
etc-dump> /lvm
etc-dump> /lvm/lvm.conf
etc-dump> /modprobe.d
etc-dump> /modprobe.d/debian.conf
etc-dump> /modprobe.d/firmware.conf
etc-dump> /modprobe.d/nixos.conf
etc-dump> /modprobe.d/systemd.conf
etc-dump> /modprobe.d/ubuntu.conf
etc-dump> /modules-load.d
etc-dump> /modules-load.d/nixos.conf
etc-dump> /mtab
etc-dump> /nanorc
etc-dump> /netgroup
etc-dump> /nix
etc-dump> /nix/machines
etc-dump> /nix/nix.conf
etc-dump> /nix/registry.json
etc-dump> /nscd.conf
etc-dump> /nsswitch.conf
etc-dump> /os-release
etc-dump> /pam
etc-dump> /pam.d
etc-dump> /pam.d/chfn
etc-dump> /pam.d/chpasswd
etc-dump> /pam.d/chsh
etc-dump> /pam.d/groupadd
etc-dump> /pam.d/groupdel
etc-dump> /pam.d/groupmems
etc-dump> /pam.d/groupmod
etc-dump> /pam.d/login
etc-dump> /pam.d/other
etc-dump> /pam.d/passwd
etc-dump> /pam.d/polkit-1
etc-dump> /pam.d/runuser
etc-dump> /pam.d/runuser-l
etc-dump> /pam.d/sshd
etc-dump> /pam.d/su
etc-dump> /pam.d/sudo
etc-dump> /pam.d/systemd-run0
etc-dump> /pam.d/systemd-user
etc-dump> /pam.d/useradd
etc-dump> /pam.d/userdel
etc-dump> /pam.d/usermod
etc-dump> /pam.d/vlock
etc-dump> /pam/environment
etc-dump> /pki
etc-dump> /pki/tls
etc-dump> /pki/tls/certs
etc-dump> /pki/tls/certs/ca-bundle.crt
etc-dump> /polkit-1
etc-dump> /polkit-1/polkitd.conf
etc-dump> /polkit-1/rules.d
etc-dump> /polkit-1/rules.d/10-nixos.rules
etc-dump> /profile
etc-dump> /protocols
etc-dump> /resolv.conf
etc-dump> /resolvconf.conf
etc-dump> /rpc
etc-dump> /services
etc-dump> /set-environment
etc-dump> /shells
etc-dump> /ssh
etc-dump> /ssh/authorized_keys.d
etc-dump> /ssh/authorized_keys.d/root
etc-dump> /ssh/ssh_config
etc-dump> /ssh/ssh_known_hosts
etc-dump> /ssh/sshd_config
etc-dump> /ssl
etc-dump> /ssl/certs
etc-dump> /ssl/certs/ca-bundle.crt
etc-dump> /ssl/certs/ca-certificates.crt
etc-dump> /ssl/trust-source
etc-dump> /sudoers
etc-dump> /sysctl.d
etc-dump> /sysctl.d/50-coredump.conf
etc-dump> /sysctl.d/50-default.conf
etc-dump> /sysctl.d/55-nixos-aslr-entropy.conf
etc-dump> /sysctl.d/60-nixos.conf
etc-dump> /systemd
etc-dump> /systemd/coredump.conf
etc-dump> /systemd/generator-environment.json
etc-dump> /systemd/journald.conf
etc-dump> /systemd/logind.conf
etc-dump> /systemd/network
etc-dump> /systemd/network/99-ethernet-default-dhcp.network
etc-dump> /systemd/network/99-wireless-client-dhcp.network
etc-dump> /systemd/networkd.conf
etc-dump> /systemd/oomd.conf
etc-dump> /systemd/resolved.conf
etc-dump> /systemd/sleep.conf
etc-dump> /systemd/system
etc-dump> /systemd/system-environment-generators
etc-dump> /systemd/system-environment-generators/env-generator
etc-dump> /systemd/system-generators
etc-dump> /systemd/system-preset
etc-dump> /systemd/system-preset/00-nixos.preset
etc-dump> /systemd/system-shutdown
etc-dump> /systemd/system.conf
etc-dump> /systemd/timesyncd.conf
etc-dump> /systemd/user
etc-dump> /systemd/user-generators
etc-dump> /systemd/user-preset
etc-dump> /systemd/user-preset/00-nixos.preset
etc-dump> /systemd/user.conf
etc-dump> /systemd/zram-generator.conf
etc-dump> /terminfo
etc-dump> /tmpfiles.d
etc-dump> /tmpfiles.d/00-nixos.conf
etc-dump> /tmpfiles.d/credstore.conf
etc-dump> /tmpfiles.d/home-directories.conf
etc-dump> /tmpfiles.d/home.conf
etc-dump> /tmpfiles.d/journal-nocow.conf
etc-dump> /tmpfiles.d/lastlog2-tmpfiles.conf
etc-dump> /tmpfiles.d/lvm2.conf
etc-dump> /tmpfiles.d/nix-daemon.conf
etc-dump> /tmpfiles.d/portables.conf
etc-dump> /tmpfiles.d/ssh-root-provision.conf
etc-dump> /tmpfiles.d/static-nodes-permissions.conf
etc-dump> /tmpfiles.d/systemd-nologin.conf
etc-dump> /tmpfiles.d/systemd-nspawn.conf
etc-dump> /tmpfiles.d/systemd-tmp.conf
etc-dump> /tmpfiles.d/systemd.conf
etc-dump> /tmpfiles.d/tmp.conf
etc-dump> /tmpfiles.d/var.conf
etc-dump> /tmpfiles.d/x11.conf
etc-dump> /udev
etc-dump> /udev/hwdb.bin
etc-dump> /udev/rules.d
etc-dump> /vconsole.conf
etc-dump> /zoneinfo
building '/nix/store/40h42z2lxvf1139cd8pizyla3i2hwj2q-etc-metadata.erofs.drv'
building '/nix/store/y0wb60bv51pbvhpwx89w5c408y8bbp2p-boot.json.drv'
building '/nix/store/qjcln29rjc0jmk7fqhfnabfriq76pnra-activate.drv'
building '/nix/store/id28wacmsxab3iq63kbib3zqa07lp0j8-nixos-system-fabro01-26.11.20260807.f13ff45.drv'
nixos-system-fabro01-26.11.20260807.f13ff45> structuredAttrs is enabled

post-build step Upload to niks3: ok
time=2026-08-21T02:45:29.377Z level=INFO msg="Uploading 10 paths to 127.0.0.1 (701 already cached)"
time=2026-08-21T02:45:29.970Z 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/log/q0071rhbhp3mb5hxdn68p360jknm6dwz-unit-run-initramfs.mount.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=d2ed93b3d3f6832d7a0504f613f15fa4b3daece886dd71066ccd75fded92890a"
time=2026-08-21T02:45:30.012Z 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/log/qrg9yjbp2ql7ygcq89pxmkbc6aqcng2m-etc-shells.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=b7bfd03ea782eb70c920acd9c696933ba1735479a84268e32c06794e767cd638"
time=2026-08-21T02:45:31.164Z 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/log/0k11jlnr6nlg047icgqbhbkwak1iy5l7-fabro-sandbox-conf.json.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=8d75f931ad823cf00ee49eeb70b72e5fa942f27154b4f5aee94e5bac7bb0ba67"
time=2026-08-21T02:45:31.435Z 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/log/8av59l4hnphkz0rmq3bgfaclvaallix9-login.defs.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=274909cbd32be89a7a5d8f066cf82106d0c638703a4814a3edbc3dce61ca6b1f"
time=2026-08-21T02:45:33.277Z level=INFO msg="Uploading 79hp2mr9d3fx1b0yssr9wfpgrwb5cm8r-source (1.1MB)"
time=2026-08-21T02:45:33.321Z level=INFO msg="Uploading qmi1ffn542q5dpc3z9gq3gwyqjbhgckw-etc-metadata.erofs (44.1KB)"
time=2026-08-21T02:45:33.337Z level=INFO msg="Uploading 80m0gpn384h9wlhf43i5kbyynhx5ckck-decrypt-age-secrets (6.0KB)"
time=2026-08-21T02:45:33.338Z level=INFO msg="Uploading rpcr5n8x81ncb79vgvb8yggjfi3nq0bq-hosts (360B)"
time=2026-08-21T02:45:33.345Z level=INFO msg="Uploading kpwxswk0686509xfp9dp2n0l7g9yzgj6-system-units (129.8KB)"
time=2026-08-21T02:45:33.346Z level=INFO msg="Uploading jvirg9dxdn3dannhd72wcmn5kw3g65qq-etc-ssh-ssh_known_hosts (1.1KB)"
time=2026-08-21T02:45:33.423Z level=INFO msg="Uploading 57vykhw4agqg8v9kmh1gap6wgbzyzmk8-unit-nftables.service (2.1KB)"
time=2026-08-21T02:45:33.424Z level=INFO msg="Uploading sxzsm1lqnbxk172cs7iy8s3i9a6xy5gb-nixos-system-fabro01-26.11.20260807.f13ff45 (249.6KB)"
time=2026-08-21T02:45:33.431Z level=INFO msg="Uploading g5gyb52hpwnj1388f5dlcyz1nhi6ixhx-unit-age-decrypt-secrets.service (1.4KB)"
time=2026-08-21T02:45:33.551Z level=INFO msg="Uploading cyg9sj8bq73sbyph7cg5x6zhr5kijhnc-etc (39.0KB)"
time=2026-08-21T02:45:37.346Z 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/log/sp13947gy2057zyy67q0cf6wk2bc2jcc-unit-remote-fs.target.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=a0b8d87948b084ea3b801d48852312b30af1d8f94a722bf3098d2d71cb83e9b2"
time=2026-08-21T02:45:38.956Z 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/log/d5s5dprm9qmk9fw0sgwmxamc73b5n5y2-hwdb.bin.drv?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=003eaae730241090000000002%2F20260821%2Feu-central-003%2Fs3%2Faws4_request&X-Amz-Date=20260821T024528Z&X-Amz-Expires=18000&X-Amz-SignedHeaders=host&X-Amz-Signature=a222dabae6c66aea3a5290854c0b3e4ef9780e31eff1c6c27eb966944c86ebbe"
time=2026-08-21T02:45:49.771Z level=INFO msg="Uploading 11 narinfos"
time=2026-08-21T02:45:50.425Z level=INFO msg="Upload complete. (22.179s)"