Partial build log
this derivation will be built:
/nix/store/j488ws11gm44hyq09h610z90fak4jm2v-mscgen-filter-1.2.zip.drv
building '/nix/store/ryhsw9wsd0nmj9c9rimr4835dx4qm272-mscgen-filter-1.2.zip.drv'...
mscgen-filter> trying https://asciidoc-mscgen-filter.googlecode.com/files/mscgen-filter-1.2.zip
mscgen-filter> % Total % Received % Xferd Average Speed Time Time Time Current
mscgen-filter> Dload Upload Total Spent Left Speed
mscgen-filter> 0 1588 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
mscgen-filter> curl: (22) The requested URL returned error: 404
mscgen-filter> error checking the existence of file:///dev/null/sha256/1nfwmj375gpv5dn9i770pjv59aihzy2kja0fflsk96xwnlqsqq61:
mscgen-filter> curl: (37) Couldn't open file /dev/null/sha256/1nfwmj375gpv5dn9i770pjv59aihzy2kja0fflsk96xwnlqsqq61
mscgen-filter> error: cannot download mscgen-filter-1.2.zip from any mirror
error: builder for '/nix/store/ryhsw9wsd0nmj9c9rimr4835dx4qm272-mscgen-filter-1.2.zip.drv' failed with exit code 1
error: