this derivation will be built:
  /nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv
building '/nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv'
niks3-tests-1.4.0> Running phase: unpackPhase
niks3-tests-1.4.0> unpacking source archive /nix/store/3l36bgqhs8lj08qfphxrh9rhv35l2zrl-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> server/server.go:195:1: Function name: runServer, Cyclomatic Complexity: 20, Halstead Volume: 7250.62, Maintainability Index: 19 (maintidx)
niks3-tests-1.4.0> func runServer(opts *options) error {
niks3-tests-1.4.0> ^
niks3-tests-1.4.0> 1 issues:
niks3-tests-1.4.0> * maintidx: 1
error: build of '/nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/yqmgsyy1v52hkzfj8ymmgm9106qzi94s-niks3-tests-1.4.0
       Last 12 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/3l36bgqhs8lj08qfphxrh9rhv35l2zrl-source
       > source root is source
       > Running phase: patchPhase
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > Running phase: buildPhase
       > server/server.go:195:1: Function name: runServer, Cyclomatic Complexity: 20, Halstead Volume: 7250.62, Maintainability Index: 19 (maintidx)
       > func runServer(opts *options) error {
       > ^
       > 1 issues:
       > * maintidx: 1
       For full logs, run:
         nix log /nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv
error: Cannot build '/nix/store/hn4ssrkh9hdffs7zqilp7dqwdrjck83z-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/yqmgsyy1v52hkzfj8ymmgm9106qzi94s-niks3-tests-1.4.0