this derivation will be built:
  /nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv
building '/nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv'
niks3-tests-1.4.0> Running phase: unpackPhase
niks3-tests-1.4.0> unpacking source archive /nix/store/z9kl58n2fa8k0bg2r4nvjqq8m95yklda-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/claims_test.go:88:17: Error return value of `pw.Close` is not checked (errcheck)
niks3-tests-1.4.0> 		defer pw.Close()
niks3-tests-1.4.0> 		              ^
niks3-tests-1.4.0> 1 issues:
niks3-tests-1.4.0> * errcheck: 1
error: build of '/nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv' on 'ssh-ng://customer@mac02' failed: Cannot build '/nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/pipbyx4xcnrki84a53dsw0a8nchncdxw-niks3-tests-1.4.0
       Last 12 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/z9kl58n2fa8k0bg2r4nvjqq8m95yklda-source
       > source root is source
       > Running phase: patchPhase
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > Running phase: buildPhase
       > server/claims_test.go:88:17: Error return value of `pw.Close` is not checked (errcheck)
       > 		defer pw.Close()
       > 		              ^
       > 1 issues:
       > * errcheck: 1
       For full logs, run:
         nix log /nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv
error: Cannot build '/nix/store/8d57x0k9jv2042ll56qw86csbg5ls6ap-niks3-tests-1.4.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/pipbyx4xcnrki84a53dsw0a8nchncdxw-niks3-tests-1.4.0