this derivation will be built:
  /nix/store/lp5q1p4n5vywbnwg79r659niacfz619h-niks3-tests-1.4.0.drv
error: build of '/nix/store/lp5q1p4n5vywbnwg79r659niacfz619h-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/lp5q1p4n5vywbnwg79r659niacfz619h-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kfj06mdbdhalc84jfrgm5adl1kqyjg6c-niks3-tests-1.4.0
       Last 16 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/0l21m8mj1gydpiwyasl05v02nqpn38v1-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 {
       > ^
       > server/client_pushes_test.go:22:69: pushOverlappingPaths - result 1 ([]string) is never used (unparam)
       > func pushOverlappingPaths(t *testing.T, announce bool) (*pushCalls, []string, string) {
       >                                                                     ^
       > 2 issues:
       > * maintidx: 1
       > * unparam: 1
       For full logs, run:
         nix log /nix/store/lp5q1p4n5vywbnwg79r659niacfz619h-niks3-tests-1.4.0.drv
error: Cannot build '/nix/store/lp5q1p4n5vywbnwg79r659niacfz619h-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kfj06mdbdhalc84jfrgm5adl1kqyjg6c-niks3-tests-1.4.0