these 7 derivations will be built:
  /nix/store/pvnz59lnw6xghj967iwqjvc78f5nq1cs-clan-runtime.drv
  /nix/store/05fav4v1f9dymbkpw088kypc0vz9ryhk-clan-cli-source.drv
  /nix/store/fwick06ram6al95hvj7ch96d77v6x8wq-closure-info.drv
  /nix/store/jvq04svsvp99p18ixihp9ij35wq4z677-builder.pl.drv
  /nix/store/m2f6xlqv5hrkk0icdiz12pjsqhz34lv5-python3-3.14.7-env.drv
  /nix/store/l9nicw4k5bp976cbxdxka1szzn24cs71-clan-cli.drv
  /nix/store/mylz3dypkm7kgl7m0qyjjq1d9w12680y-check-vars.drv
these 21 paths will be fetched (2.6 MiB download, 13.0 MiB unpacked):
  /nix/store/hh5kf12gbmvlc8lm7bvc4i18yads5vv9-bin
  /nix/store/zva0c2z2z6qfb78lb5pr4i430fm9ravv-die-hook
  /nix/store/gy4pkrxz5ail5qk79aiclarncqpadjf3-ensure-newer-sources-hook
  /nix/store/h9ksykjmks2kz9ckipxyn9gkynzsjjkf-install-shell-files
  /nix/store/aajx6ydnm1mbbmarffj7kxxh7pc8i6y3-make-binary-wrapper-hook
  /nix/store/1dydd6dsv0gnv9vf3n2y3ciijy863s5j-make-shell-wrapper-hook
  /nix/store/hkmgv1ykyk3qpmyp3xv2mybrclww4aac-pypa-build-hook.sh
  /nix/store/b4wca1qimjc4adc6wfr5inxhmkd3amvl-pypa-install-hook
  /nix/store/bncjgm2wn84rnrhbwk3nhy2ddlabwfxh-python-catch-conflicts-hook
  /nix/store/kximsfrg8fasjc57hfn2lhy97mq1irj0-python-imports-check-hook.sh
  /nix/store/zyh0d063nj75vprazd67fsh208jw4p7c-python-namespaces-hook.sh
  /nix/store/pbrwmff39g601cc0q4xmm8b96x6x3z7z-python-output-dist-hook
  /nix/store/3wpdy8qc7y996l59fm84dfii7k990wpf-python-remove-bin-bytecode-hook
  /nix/store/xn8pqgd8c3840xmrxhpmz1wlp8yhipbi-python-remove-tests-dir-hook
  /nix/store/x6y33rbnkhzgafmksjfrrpwx71ifw80k-python-runtime-deps-check-hook.sh
  /nix/store/jl1b6fl5cs99qxgwgz1jh908nyaf2b83-python3.14-build-1.5.1
  /nix/store/0pzmidipiprzp148giq84hhkfmrfvzb8-python3.14-installer-1.0.1
  /nix/store/akd9jy4ll1dysy6lcqc7b5qygxppnmcp-python3.14-pyproject-hooks-1.2.0
  /nix/store/kr615i7wxg67vy85l0czgkh93gqaa0yx-python3.14-setuptools-83.0.0
  /nix/store/fakxqw7z8wz41vpx3l2yil8gd1v7p8vd-python3.14-wheel-0.47.0
  /nix/store/rd1jss8glay3pi1gsri51kq237djbbc8-wrap-python-hook
error: path '/nix/store/m7jmpmxbqqd7ag3c9bh24jc3ygbjdgnz-check-vars' is not valid
error: Cannot build '/nix/store/mylz3dypkm7kgl7m0qyjjq1d9w12680y-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/m7jmpmxbqqd7ag3c9bh24jc3ygbjdgnz-check-vars