this derivation will be built:
  /nix/store/v4v1wjs6q682bqz38q26vxpx484ln5fx-iets-fmt-0.1.0.drv
building '/nix/store/v4v1wjs6q682bqz38q26vxpx484ln5fx-iets-fmt-0.1.0.drv'
iets-fmt-0.1.0> cargoVendorDir not set, will not automatically configure vendored sources
iets-fmt-0.1.0> cargoArtifacts not set, will not reuse any cargo artifacts
iets-fmt-0.1.0> Running phase: unpackPhase
iets-fmt-0.1.0> unpacking source archive /nix/store/xjhz9h8lf5klkj9lv7wb76z152yl7xd1-source
iets-fmt-0.1.0> source root is source
iets-fmt-0.1.0> Running phase: patchPhase
iets-fmt-0.1.0> Executing configureCargoCommonVars
iets-fmt-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
iets-fmt-0.1.0> Running phase: configurePhase
iets-fmt-0.1.0> default configurePhase, nothing to do
iets-fmt-0.1.0> Running phase: buildPhase
iets-fmt-0.1.0> +++ command cargo --version
iets-fmt-0.1.0> cargo 1.98.0 (797e8a9bc 2026-08-05)
iets-fmt-0.1.0> +++ command cargo fmt -- --check
iets-fmt-0.1.0> Diff in /build/source/src/builtins/mod.rs:6:
iets-fmt-0.1.0>  pub mod core;
iets-fmt-0.1.0>  pub mod derivation;
iets-fmt-0.1.0>  pub mod fetch;
iets-fmt-0.1.0> -pub mod fetch_git;
iets-fmt-0.1.0>  pub mod fetch_closure;
iets-fmt-0.1.0> +pub mod fetch_git;
iets-fmt-0.1.0>  pub mod lists;
iets-fmt-0.1.0>  pub mod math;
iets-fmt-0.1.0>  pub mod paths;
iets-fmt-0.1.0> Diff in /build/source/src/source/mod.rs:28:
iets-fmt-0.1.0>  pub(crate) use local::{commit_tree, path_tree, workdir};
iets-fmt-0.1.0>  pub use lock::Lock;
iets-fmt-0.1.0>  pub use remote::LazyStore;
iets-fmt-0.1.0> +pub(crate) use remote::nix_conf;
iets-fmt-0.1.0>  pub(crate) use remote::{
iets-fmt-0.1.0>      ensure_readable, fetch_file, fetch_git_with_nix, store_commit, valid_in_store,
iets-fmt-0.1.0>  };
iets-fmt-0.1.0> Diff in /build/source/src/source/mod.rs:34:
iets-fmt-0.1.0> -pub(crate) use remote::nix_conf;
iets-fmt-0.1.0>  
iets-fmt-0.1.0>  #[derive(Clone, Debug, PartialEq, Eq)]
iets-fmt-0.1.0>  pub enum AttrVal {
error: Cannot build '/nix/store/v4v1wjs6q682bqz38q26vxpx484ln5fx-iets-fmt-0.1.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/10vhnfa7h60iq4qr1snzzwv70wcismix-iets-fmt-0.1.0
       Last 25 log lines:
       > cargo 1.98.0 (797e8a9bc 2026-08-05)
       > +++ command cargo fmt -- --check
       > Diff in /build/source/src/builtins/mod.rs:6:
       >  pub mod core;
       >  pub mod derivation;
       >  pub mod fetch;
       > -pub mod fetch_git;
       >  pub mod fetch_closure;
       > +pub mod fetch_git;
       >  pub mod lists;
       >  pub mod math;
       >  pub mod paths;
       > Diff in /build/source/src/source/mod.rs:28:
       >  pub(crate) use local::{commit_tree, path_tree, workdir};
       >  pub use lock::Lock;
       >  pub use remote::LazyStore;
       > +pub(crate) use remote::nix_conf;
       >  pub(crate) use remote::{
       >      ensure_readable, fetch_file, fetch_git_with_nix, store_commit, valid_in_store,
       >  };
       > Diff in /build/source/src/source/mod.rs:34:
       > -pub(crate) use remote::nix_conf;
       > 
       >  #[derive(Clone, Debug, PartialEq, Eq)]
       >  pub enum AttrVal {
       For full logs, run:
         nix log /nix/store/v4v1wjs6q682bqz38q26vxpx484ln5fx-iets-fmt-0.1.0.drv