Partial build log
this derivation will be built:
/nix/store/79jxfqf31dd6yh9g7k0lzq8v42w3ijs1-35_spline.test.error.diff.drv
building '/nix/store/xlsa07v3glfszdf7523vpbqlwm6z7dq1-35_spline.test.error.diff.drv'...
35_spline.test.error.diff> trying https://sources.debian.org/data/main/p/plotutils/2.6-9/debian/patches/35_spline.test.error.diff
35_spline.test.error.diff> % Total % Received % Xferd Average Speed Time Time Time Current
35_spline.test.error.diff> Dload Upload Total Spent Left Speed
35_spline.test.error.diff> 0 265 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
35_spline.test.error.diff> curl: (22) The requested URL returned error: 404
35_spline.test.error.diff> error checking the existence of file:///dev/null/sha256/1kqj1n8myk8xmglj6qcybj34zm4kpn6aw320jbpqhblkgp7m0fb1:
35_spline.test.error.diff> curl: (37) Couldn't open file /dev/null/sha256/1kqj1n8myk8xmglj6qcybj34zm4kpn6aw320jbpqhblkgp7m0fb1
35_spline.test.error.diff> error: cannot download 35_spline.test.error.diff from any mirror
error: builder for '/nix/store/xlsa07v3glfszdf7523vpbqlwm6z7dq1-35_spline.test.error.diff.drv' failed with exit code 1
error: