these 3 derivations will be built:
  /nix/store/1wygzab5b9n4cy18baq8g0l1drbl1l6n-source.drv
  /nix/store/wcrlw81zjjfzqcvl48c4z45sdzdgxzwx-mcptoon-0.8.7.drv
  /nix/store/9h6h2zg6ds2mmp0sncdpdlkxy2g74f66-check-mcptoon.drv
error: build of '/nix/store/wcrlw81zjjfzqcvl48c4z45sdzdgxzwx-mcptoon-0.8.7.drv' on 'ssh-ng://customer@mac02.m.ntd.one' failed: Cannot build '/nix/store/wcrlw81zjjfzqcvl48c4z45sdzdgxzwx-mcptoon-0.8.7.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd06-mcptoon-0.8.7
         /nix/store/k7xfh1v1x5wphzma6ab23xhy4458wyx2-mcptoon-0.8.7-dist
       Last 25 log lines:
       > tests/test_v076_stateless_serve.py ...................                   [ 97%]
       > tests/test_v07_spec2026.py .....................                         [ 98%]
       > tests/test_v081_env_headers.py .............                             [ 98%]
       > tests/test_watch.py ..................                                   [100%]
       >
       > =================================== FAILURES ===================================
       > _____ TestThreeCopiesAgree.test_packaged_path_resolves_to_the_copy_on_disk _____
       >
       > self = <tests.test_skill_package.TestThreeCopiesAgree object at 0x109cd6780>
       >
       >     def test_packaged_path_resolves_to_the_copy_on_disk(self):
       >         """`install_self` copies from this path, so it must be the real one."""
       >         resolved = skills.packaged_skill_path()
       >         assert resolved.is_file(), resolved
       > >       assert resolved.resolve() == COPIES["packaged"].resolve()
       > E       AssertionError: assert PosixPath('/nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd06-mcptoon-0.8.7/lib/python3.14/site-packages/mcptoon/skill/SKILL.md') == PosixPath('/nix/var/nix/builds/nix-54793-2990173905/source/src/mcptoon/skill/SKILL.md')
       > E        +  where PosixPath('/nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd06-mcptoon-0.8.7/lib/python3.14/site-packages/mcptoon/skill/SKILL.md') = resolve()
       > E        +    where resolve = PosixPath('/nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd06-mcptoon-0.8.7/lib/python3.14/site-packages/mcptoon/skill/SKILL.md').resolve
       > E        +  and   PosixPath('/nix/var/nix/builds/nix-54793-2990173905/source/src/mcptoon/skill/SKILL.md') = resolve()
       > E        +    where resolve = PosixPath('/nix/var/nix/builds/nix-54793-2990173905/source/src/mcptoon/skill/SKILL.md').resolve
       >
       > tests/test_skill_package.py:86: AssertionError
       > =========================== short test summary info ============================
       > FAILED tests/test_skill_package.py::TestThreeCopiesAgree::test_packaged_path_resolves_to_the_copy_on_disk - AssertionError: assert PosixPath('/nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd...
       > ===== 1 failed, 1739 passed, 12 skipped, 3 deselected in 86.87s (0:01:26) ======
       For full logs, run:
         nix log /nix/store/wcrlw81zjjfzqcvl48c4z45sdzdgxzwx-mcptoon-0.8.7.drv
error: Cannot build '/nix/store/wcrlw81zjjfzqcvl48c4z45sdzdgxzwx-mcptoon-0.8.7.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/blpnwjl37fs9hgx20n75n97zjfmqrd06-mcptoon-0.8.7
         /nix/store/k7xfh1v1x5wphzma6ab23xhy4458wyx2-mcptoon-0.8.7-dist
error: Cannot build '/nix/store/9h6h2zg6ds2mmp0sncdpdlkxy2g74f66-check-mcptoon.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/5bpb9j3mkfsvlssb3xipy07ldb06qnni-check-mcptoon