Partial build log
this derivation will be built:
/nix/store/05xjj9p7p9kq1437ac7glxs3ncam5bmi-01_AC_PROG_CXX.diff.drv
building '/nix/store/6a00bmm8p0vmz5knsn68ks4hj8v4v0pf-01_AC_PROG_CXX.diff.drv'...
01_AC_PROG_CXX.diff> trying https://sources.debian.org/data/main/p/plotutils/2.6-9/debian/patches/01_AC_PROG_CXX.diff
01_AC_PROG_CXX.diff> % Total % Received % Xferd Average Speed Time Time Time Current
01_AC_PROG_CXX.diff> Dload Upload Total Spent Left Speed
01_AC_PROG_CXX.diff> 0 265 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
01_AC_PROG_CXX.diff> curl: (22) The requested URL returned error: 404
01_AC_PROG_CXX.diff> error checking the existence of file:///dev/null/sha256/0r7xgwbk2yqs7b29gwhr8pnbqvy3a3x698j17s4yg501ragw1gqv:
01_AC_PROG_CXX.diff> curl: (37) Couldn't open file /dev/null/sha256/0r7xgwbk2yqs7b29gwhr8pnbqvy3a3x698j17s4yg501ragw1gqv
01_AC_PROG_CXX.diff> error: cannot download 01_AC_PROG_CXX.diff from any mirror
error: builder for '/nix/store/6a00bmm8p0vmz5knsn68ks4hj8v4v0pf-01_AC_PROG_CXX.diff.drv' failed with exit code 1
error: