this derivation will be built:
  /nix/store/a5kxn40xzazca4443gimgb0dg17jb5vc-niks3-go-unit-tests.drv
error: Cannot build '/nix/store/a5kxn40xzazca4443gimgb0dg17jb5vc-niks3-go-unit-tests.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/hbrh6ibwj8phwwazpq58khx58bzwzm4l-niks3-go-unit-tests
       Last 25 log lines:
       >     --- PASS: TestStreamPushStopsOnCancel/request_line_waiting_for_a_slot (0.05s)
       >     --- PASS: TestStreamPushStopsOnCancel/waiting_for_input (0.05s)
       >     --- PASS: TestStreamPushStopsOnCancel/partial_batch_waiting_for_a_slot (0.05s)
       > --- PASS: TestStreamPushRequestLine (0.17s)
       > --- PASS: TestDumpPathWriterError (0.19s)
       > --- PASS: TestSetClientTLS (0.01s)
       >     --- PASS: TestSetClientTLS/succeeds_with_client_cert_and_CA (0.01s)
       >     --- PASS: TestSetClientTLS/preserves_debug_logging_transport (0.03s)
       >     --- PASS: TestSetClientTLS/rejects_connection_without_client_cert (0.09s)
       > --- PASS: TestDumpPathMatchesNix (0.24s)
       > --- PASS: TestRegisterUploadedObjectReusesConnections (0.25s)
       > --- PASS: TestPushPathsReportsOnlyUnuploadablePathsOfSkippedClosure (0.24s)
       > --- PASS: TestTruncatedNARDumpIsNotCompleted (0.45s)
       > --- PASS: TestUploadMultipart_FailedPartBufferNotReused (0.70s)
       > --- PASS: TestUploadMultipart_PartsInParallel (0.72s)
       > --- PASS: TestSupersededNARStillUploadsListing (0.00s)
       >     --- PASS: TestSupersededNARStillUploadsListing/small_NAR (0.03s)
       >     --- PASS: TestSupersededNARStillUploadsListing/listing_upload_fails (0.03s)
       >     --- PASS: TestSupersededNARStillUploadsListing/dump_cut_short (0.71s)
       > --- PASS: TestRateLimiterFeedback_400DoesNotCountAsSuccess (1.00s)
       > --- PASS: TestRegisterUploadedObject_BoundedAgainstSilentServer (2.00s)
       > --- PASS: TestScriptTokenDoesNotWaitForItsChildren (0.00s)
       >     --- PASS: TestScriptTokenDoesNotWaitForItsChildren/child_left_holding_stdout (2.04s)
       >     --- PASS: TestScriptTokenDoesNotWaitForItsChildren/cancelled_while_a_child_runs (2.21s)
       > FAIL
       For full logs, run:
         nix log /nix/store/a5kxn40xzazca4443gimgb0dg17jb5vc-niks3-go-unit-tests.drv