these 2 derivations will be built:
  /nix/store/9fkxvlqb9ys1iml6xfkmbghb980fk7nv-nix-bindings-flake-deps-0.2.1.drv
  /nix/store/f5li15xlpimr5mqwhhcg220f8d4azw95-nix-bindings-flake-0.2.1.drv
error: Cannot build '/nix/store/f5li15xlpimr5mqwhhcg220f8d4azw95-nix-bindings-flake-0.2.1.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/rk1plkcrf835pwj9dh482gmn5sxs06y9-nix-bindings-flake-0.2.1
       Last 25 log lines:
       >    Compiling nix-bindings-bdwgc-sys v0.2.1 (/build/source/nix-bindings-bdwgc-sys)
       >    Compiling nix-bindings-fetchers-sys v0.2.1 (/build/source/nix-bindings-fetchers-sys)
       >    Compiling nix-bindings-flake-sys v0.2.1 (/build/source/nix-bindings-flake-sys)
       >    Compiling nix-bindings-util v0.2.1 (/build/source/nix-bindings-util)
       >    Compiling nix-bindings-store v0.2.1 (/build/source/nix-bindings-store)
       >    Compiling nix-bindings-expr v0.2.1 (/build/source/nix-bindings-expr)
       >     Checking nix-bindings-fetchers v0.2.1 (/build/source/nix-bindings-fetchers)
       > error: methods called `new` usually return `Self`
       >   --> nix-bindings-expr/src/builtin.rs:22:5
       >    |
       > 22 | /     pub fn new<const N: usize>(
       > 23 | |         mut context: nix_bindings_util::context::Context,
       > 24 | |         meta: crate::primop::PrimOpMeta<N>,
       > 25 | |         f: Box<dyn Fn(&mut EvalState, &[Value; N]) -> Result<Value>>,
       > ...  |
       > 63 | |         Ok(())
       > 64 | |     }
       >    | |_____^
       >    |
       >    = help: for further information visit https://rust-lang.github.io/rust-clippy/rust-1.93.0/index.html#new_ret_no_self
       >    = note: `-D clippy::new-ret-no-self` implied by `-D warnings`
       >    = help: to override `-D warnings` add `#[allow(clippy::new_ret_no_self)]`
       >
       > error: could not compile `nix-bindings-expr` (lib) due to 1 previous error
       > warning: build failed, waiting for other jobs to finish...
       For full logs, run:
         nix log /nix/store/f5li15xlpimr5mqwhhcg220f8d4azw95-nix-bindings-flake-0.2.1.drv