this derivation will be built:
  /nix/store/01qlkh5yva1a2k6j4fmxj6xlzsws514d-spec-buf.drv
building '/nix/store/01qlkh5yva1a2k6j4fmxj6xlzsws514d-spec-buf.drv'
spec-buf> Failure: invalid/a.proto:1:9: syntax error: unexpected '{'
spec-buf> Failure: invalid/a.proto:1:9: syntax error: unexpected '{'
spec-buf> FAIL: exited zero on invalid input a.proto followed by valid files (https://treefmt.com/latest/reference/formatter-spec/#3-exit-nonzero-on-error)
error: Cannot build '/nix/store/01qlkh5yva1a2k6j4fmxj6xlzsws514d-spec-buf.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/h5d21b2k0xzsk5zh9v072qbqhgzwrs67-spec-buf
       Last 3 log lines:
       > Failure: invalid/a.proto:1:9: syntax error: unexpected '{'
       > Failure: invalid/a.proto:1:9: syntax error: unexpected '{'
       > FAIL: exited zero on invalid input a.proto followed by valid files (https://treefmt.com/latest/reference/formatter-spec/#3-exit-nonzero-on-error)
       For full logs, run:
         nix log /nix/store/01qlkh5yva1a2k6j4fmxj6xlzsws514d-spec-buf.drv