Partial build log
this derivation will be built:
/nix/store/g6w6bjbs017ybm4qjqjlw5m3dv0fmq03-puzzles-20220913.27dd36e.tar.gz.drv
building '/nix/store/2kj43z2gnz6yb8is4nc8csbdsl5znkfj-puzzles-20220913.27dd36e.tar.gz.drv'...
puzzles> trying http://www.chiark.greenend.org.uk/~sgtatham/puzzles/puzzles-20220913.27dd36e.tar.gz
puzzles> % Total % Received % Xferd Average Speed Time Time Time Current
puzzles> Dload Upload Total Spent Left Speed
puzzles> 100 428 100 428 0 0 759 0 --:--:-- --:--:-- --:--:-- 758
puzzles> 0 333 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
puzzles> curl: (22) The requested URL returned error: 404
puzzles> error checking the existence of file:///dev/null//sha256-fj1XWuXcW01uuC5dK2wDIrweyruSRdfEZBfmEj99zZE=:
puzzles> curl: (37) Couldn't open file /dev/null//sha256-fj1XWuXcW01uuC5dK2wDIrweyruSRdfEZBfmEj99zZE=
puzzles> error: cannot download puzzles-20220913.27dd36e.tar.gz from any mirror
error: builder for '/nix/store/2kj43z2gnz6yb8is4nc8csbdsl5znkfj-puzzles-20220913.27dd36e.tar.gz.drv' failed with exit code 1
error: