this derivation will be built:
  /nix/store/idx23yfl4pl45dhwk8lrgfvi8gmw8a9d-niks3-tests-1.4.0.drv
building '/nix/store/idx23yfl4pl45dhwk8lrgfvi8gmw8a9d-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/idx23yfl4pl45dhwk8lrgfvi8gmw8a9d-niks3-tests-1.4.0.drv'
niks3-tests-1.4.0> Running phase: unpackPhase
niks3-tests-1.4.0> unpacking source archive /nix/store/i34z2qwv4p45736zl7yrh5mzsn9aakn9-source
niks3-tests-1.4.0> source root is source
niks3-tests-1.4.0> Running phase: patchPhase
niks3-tests-1.4.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
niks3-tests-1.4.0> Running phase: configurePhase
niks3-tests-1.4.0> Running phase: buildPhase
niks3-tests-1.4.0> buildPhase completed in 57 seconds
niks3-tests-1.4.0> Running phase: installPhase
niks3-tests-1.4.0> Running phase: fixupPhase
niks3-tests-1.4.0> checking for references to /nix/var/nix/builds/nix-85518-793886501/ in /nix/store/y2pb8lf3w9d65cq75m88gbih9x6087zr-niks3-tests-1.4.0...
niks3-tests-1.4.0> patching script interpreter paths in /nix/store/y2pb8lf3w9d65cq75m88gbih9x6087zr-niks3-tests-1.4.0
niks3-tests-1.4.0> stripping (with command strip and flags -S) in /nix/store/y2pb8lf3w9d65cq75m88gbih9x6087zr-niks3-tests-1.4.0/bin