1error:2 … while calling the 'derivationStrict' builtin3 at «nix-internal»/derivation-internal.nix:37:12:4 36|5 37| strict = derivationStrict drvAttrs;6 | ^7 38|89 … while evaluating derivation 'rust_ironstar-0.1.0'10 whose name attribute is located at «https://releases.nixos.org/nixos/unstable-small/nixos-26.11pre1073422.88aca2668455/nixexprs.tar.xz?narHash=sha256-zKlwFbbiZmUnRIV2ri5hzfJba7RsCjprlVX0294Mb%2Bw%3D»/pkgs/stdenv/generic/make-derivation.nix:651:111112 … while evaluating attribute 'src' of derivation 'rust_ironstar-0.1.0'13 at «https://releases.nixos.org/nixos/unstable-small/nixos-26.11pre1073422.88aca2668455/nixexprs.tar.xz?narHash=sha256-zKlwFbbiZmUnRIV2ri5hzfJba7RsCjprlVX0294Mb%2Bw%3D»/pkgs/build-support/rust/build-rust-crate/default.nix:459:9:14 458|15 459| src = crate.src or (fetchCrate { inherit (crate) crateName version sha256; });16 | ^17 460| name = "rust_${crate.crateName}-${crate.version}${lib.optionalString buildTests_ "-test"}";1819 (stack trace truncated; use '--show-trace' to show the full, detailed trace)2021 error: fetchPnpmDeps: `fetcherVersion = 2` was removed in the 26.11 release. Please migrate `ironstar-frontend` to `fetcherVersion = 4` and regenerate the hash. See https://nixos.org/manual/nixpkgs/stable/#javascript-pnpm-fetcherVersion.