this derivation will be built:
  /nix/store/kbx5r0jjvd4wv1q0jnymwhkdskml9szl-iets-fmt-0.1.0.drv
error: build of '/nix/store/kbx5r0jjvd4wv1q0jnymwhkdskml9szl-iets-fmt-0.1.0.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/kbx5r0jjvd4wv1q0jnymwhkdskml9szl-iets-fmt-0.1.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mzbn54pfi617fjvz7ri7v98g30ni5add-iets-fmt-0.1.0
       Last 25 log lines:
       > +++ command cargo --version
       > cargo 1.98.0 (797e8a9bc 2026-08-05)
       > +++ command cargo fmt -- --check
       > Diff in /build/source/src/builtins/paths.rs:23:
       >  use crate::lint::{LintId, coerce, purity};
       >  use crate::runtime::{self, Ctx, Value, Word, ctx_to_arena};
       >  use crate::source;
       > -use crate::store::hash::{Hash, HashAlgo, Hasher, hash_bytes};
       >  use crate::store::drv::Derivation;
       > +use crate::store::hash::{Hash, HashAlgo, Hasher, hash_bytes};
       >  use crate::store::locate;
       >  use crate::store::nar::FileType;
       >  use crate::store::path::{
       > Diff in /build/source/src/builtins/paths.rs:266:
       >      let Ok(parsed) = Derivation::parse(&aterm, name) else {
       >          return false;
       >      };
       > -    let Some(Ok(Some(out))) = parsed.outputs.get(output).map(|o| o.path(&parsed.name, output))
       > +    let Some(Ok(Some(out))) = parsed
       > +        .outputs
       > +        .get(output)
       > +        .map(|o| o.path(&parsed.name, output))
       >      else {
       >          return false;
       >      };
       For full logs, run:
         nix log /nix/store/kbx5r0jjvd4wv1q0jnymwhkdskml9szl-iets-fmt-0.1.0.drv
error: Cannot build '/nix/store/kbx5r0jjvd4wv1q0jnymwhkdskml9szl-iets-fmt-0.1.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mzbn54pfi617fjvz7ri7v98g30ni5add-iets-fmt-0.1.0