[bug] Unable to compile rust backend on Nixos 24.05

[Caden-Z]

Describe the bug

Running npm run tauri dev or any tauri related command causes the following error

thread '<unnamed>' panicked at crates/tauri-cli/src/interface/rust.rs:1099:14:
called `Option::unwrap()` on a `None` value
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Aborted (core dumped)

Reproduction

• Create a new empty project using npm create tauri-app@latest
• Run nix-shell after creating shell.nix using the one given on wiki
• Run npm install
• Run npm run tauri dev

Expected behavior

The tauri program should compile and launch with no errors.

Full tauri info output

> myelin@0.1.0 tauri
> tauri info


[✔] Environment
    - OS: NixOS 24.5.0 x86_64 (X64)
    ✔ webkit2gtk-4.1: 2.44.2
    ✔ rsvg2: 2.58.1
    ✔ rustc: 
    ✔ cargo: 1.77.1
    ✔ rustup: 1.26.0 (1980-01-01)
    ✔ Rust toolchain: 
    - node: 20.12.2
    - npm: 10.5.0
    - bun: 1.1.8

[-] Packages
    - tauri 🦀: 2.1.1
    - tauri-build 🦀: 2.0.3
    - wry 🦀: 0.47.2
    - tao 🦀: 0.30.8
    - tauri-cli 🦀: 1.5.14
    - @tauri-apps/api : 2.1.1
    - @tauri-apps/cli : 2.1.0

[-] Plugins

[-] App
    - build-type: bundle
    - CSP: unset
    - frontendDist: ../dist
    - devUrl: http://localhost:1420/
    - framework: Vue.js
    - bundler: Vite

Stack trace

thread '<unnamed>' panicked at crates/tauri-cli/src/interface/rust.rs:1099:14:
called `Option::unwrap()` on a `None` value
stack backtrace:
   0:     0x7ff840abbc89 - <unknown>
   1:     0x7ff84060ddfb - <unknown>
   2:     0x7ff840a811a2 - <unknown>
   3:     0x7ff840abf0f8 - <unknown>
   4:     0x7ff840abffb0 - <unknown>
   5:     0x7ff840abfa62 - <unknown>
   6:     0x7ff840abf9f9 - <unknown>
   7:     0x7ff840abf9e4 - <unknown>
   8:     0x7ff8405338c2 - <unknown>
   9:     0x7ff84053397b - <unknown>
  10:     0x7ff840533d78 - <unknown>
  11:     0x7ff840c8d3a2 - <unknown>
  12:     0x7ff840560c14 - <unknown>
  13:     0x7ff840566db5 - <unknown>
  14:     0x7ff840ac2dfb - <unknown>
  15:     0x7ff8446a1272 - start_thread
  16:     0x7ff84471cdec - clone3
  17:                0x0 - <unknown>
Aborted (core dumped)

Additional context

This does not happen for me on windows but does for both the nixos installation on my desktop and laptop. I've tried using both bun and npm.

[Caden-Z]

Never mind no version of rustc was correctly installed, apologies for the trouble!