this derivation will be built:
  /nix/store/gkwbbn2mx15y4fm9vcq13ilf0d2bx8c9-Arch-Linux-x86_64-basic-20260401.509747.qcow2.drv
error: Cannot build '/nix/store/4s6p6lczy5vfbgmlwpqllraqhjax7xnl-Arch-Linux-x86_64-basic-20260401.509747.qcow2.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/ac5b6a603ph96l1chrddbccfgsmln6j6-Arch-Linux-x86_64-basic-20260401.509747.qcow2
       Last 18 log lines:
       > structuredAttrs is enabled
       >
       > trying https://geo.mirror.pkgbuild.com/images/v20260401.509747/Arch-Linux-x86_64-basic-20260401.509747.qcow2
       >   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
       >                                  Dload  Upload  Total   Spent   Left   Speed
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > Warning: Problem (retrying all errors). Will retry in 1 second. 3 retries left.
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > Warning: Problem (retrying all errors). Will retry in 2 seconds. 2 retries
       > Warning: left.
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > Warning: Problem (retrying all errors). Will retry in 4 seconds. 1 retry left.
       >   0      0   0      0   0      0      0      0                              0
       > curl: (22) The requested URL returned error: 404
       > error: cannot download Arch-Linux-x86_64-basic-20260401.509747.qcow2 from any mirror
       For full logs, run:
         nix log /nix/store/4s6p6lczy5vfbgmlwpqllraqhjax7xnl-Arch-Linux-x86_64-basic-20260401.509747.qcow2.drv
error: build of resolved derivation '/nix/store/4s6p6lczy5vfbgmlwpqllraqhjax7xnl-Arch-Linux-x86_64-basic-20260401.509747.qcow2.drv' failed