these 2 derivations will be built:
  /nix/store/cxwczd2sn9fv8hnlw4ahj0lj7wqwdgvq-mcptoon-0.7.23.drv
  /nix/store/4v5j1msi203f39lj0drjb892x2v6fv8i-check-mcptoon.drv
error: build of '/nix/store/cxwczd2sn9fv8hnlw4ahj0lj7wqwdgvq-mcptoon-0.7.23.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux' failed: Cannot build '/nix/store/cxwczd2sn9fv8hnlw4ahj0lj7wqwdgvq-mcptoon-0.7.23.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jnj5690hrhh9qw2nd7hzrj2aq1wql62r-mcptoon-0.7.23
         /nix/store/xf4nh1z57s1jx09r5l5bpd2b149bwv9p-mcptoon-0.7.23-dist
       Last 25 log lines:
       >
       > tests/test_footprint_claims.py:196: AssertionError
       > ____________ TestStdioResponsePump.test_eof_wakes_waiter_fail_fast _____________
       >
       > self = <tests.test_v074_stdio_timeout.TestStdioResponsePump testMethod=test_eof_wakes_waiter_fail_fast>
       >
       >     def test_eof_wakes_waiter_fail_fast(self):
       >         """Server dies after first request → EOF sentinel wakes the queue
       >         waiter → PROCESS_DIED immediately (not the full timeout)."""
       >         client = MCPClient(stdio=[PY, self.dier], timeout=30)
       >         t0 = time.time()
       >         with self.assertRaises(MCPError) as cm:
       >             client.initialize()
       >         elapsed = time.time() - t0
       > >       self.assertEqual(cm.exception.code, "PROCESS_DIED")
       > E       AssertionError: 'RESPONSE_TIMEOUT' != 'PROCESS_DIED'
       > E       - RESPONSE_TIMEOUT
       > E       + PROCESS_DIED
       >
       > tests/test_v074_stdio_timeout.py:217: AssertionError
       > =========================== short test summary info ============================
       > FAILED tests/test_footprint_claims.py::TestFootprintClaims::test_prose_suite_totals_match_collection - AssertionError: False is not true : DEVELOPERS.md says 1336 tests but 1327 ...
       > FAILED tests/test_footprint_claims.py::TestFootprintClaims::test_suite_total_is_the_same_on_every_surface - AssertionError: False is not true : DEVELOPERS.md advertises 1336 passed bu...
       > FAILED tests/test_v074_stdio_timeout.py::TestStdioResponsePump::test_eof_wakes_waiter_fail_fast - AssertionError: 'RESPONSE_TIMEOUT' != 'PROCESS_DIED'
       > ===== 3 failed, 1320 passed, 1 skipped, 3 deselected in 108.51s (0:01:48) ======
       For full logs, run:
         nix log /nix/store/cxwczd2sn9fv8hnlw4ahj0lj7wqwdgvq-mcptoon-0.7.23.drv
error: Cannot build '/nix/store/cxwczd2sn9fv8hnlw4ahj0lj7wqwdgvq-mcptoon-0.7.23.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jnj5690hrhh9qw2nd7hzrj2aq1wql62r-mcptoon-0.7.23
         /nix/store/xf4nh1z57s1jx09r5l5bpd2b149bwv9p-mcptoon-0.7.23-dist
error: Cannot build '/nix/store/4v5j1msi203f39lj0drjb892x2v6fv8i-check-mcptoon.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/cpph7z5d43zmz7b1f9csdbk7phi1xkh4-check-mcptoon