Partial build log
this derivation will be built:
/nix/store/z88xgh1dqzhqcrfwk80f5dacdgzg7qqs-21_plot2svg_test.diff.drv
building '/nix/store/4l7vq0830gr8bwz1mg270f0bzm5b5msc-21_plot2svg_test.diff.drv'...
21_plot2svg_test.diff> trying https://sources.debian.org/data/main/p/plotutils/2.6-9/debian/patches/21_plot2svg_test.diff
21_plot2svg_test.diff> % Total % Received % Xferd Average Speed Time Time Time Current
21_plot2svg_test.diff> Dload Upload Total Spent Left Speed
21_plot2svg_test.diff> 0 265 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
21_plot2svg_test.diff> curl: (22) The requested URL returned error: 404
21_plot2svg_test.diff> error checking the existence of file:///dev/null/sha256/0lv8hj9fiqj6z72pnaw3imk3164n1kcy5ym0j9jl2pn3a19p1jmb:
21_plot2svg_test.diff> curl: (37) Couldn't open file /dev/null/sha256/0lv8hj9fiqj6z72pnaw3imk3164n1kcy5ym0j9jl2pn3a19p1jmb
21_plot2svg_test.diff> error: cannot download 21_plot2svg_test.diff from any mirror
error: builder for '/nix/store/4l7vq0830gr8bwz1mg270f0bzm5b5msc-21_plot2svg_test.diff.drv' failed with exit code 1
error: