don't know how to build these paths:
  /nix/store/abr2r09fcgrj1sd7198fr7miilr3bnqa-iets-doctest-0.2.0.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/abr2r09fcgrj1sd7198fr7miilr3bnqa-iets-doctest-0.2.0.drv' on farm.numtide.com:50051
iets-doctest-0.2.0> bld1: building abr2r09fcgrj1sd7198fr7miilr3bnqa-iets-doctest-0.2.0.drv
iets-doctest-0.2.0> Running phase: unpackPhase
iets-doctest-0.2.0> unpacking source archive /nix/store/rg5r6dg72s44g33c458d0krxg4rlmsjj-source