dx serve --hot-patch errors [dev] Failed to generate fat binary: rust-lld: error: cannot open __MANGANIS__07ab8298cecd86fa: no such file or directory in Windows #5008
Description
Problem
Create a new project using dx new, all options default, then use dx serve --hot-patch fails to build.
Steps To Reproduce
Steps to reproduce the behavior:
dx new test2- All options default (Bare-Bones false false false false Web)
cd test2dx serve --hot-patch
Output:
warning: Waiting for cargo-metadata...
warning: (Try 1) Taking a while...
warning: (Try 2) Taking a while...
10:56:03 [dev] -----------------------------------------------------------------
Serving your app: test2! 🚀
• Press `ctrl+c` to exit the server
• Press `r` to rebuild the app
• Press `p` to toggle automatic rebuilds
• Press `v` to toggle verbose logging
• Press `/` for more commands and shortcuts
Learn more at https://dioxuslabs.com/learn/0.7/getting_started
----------------------------------------------------------------
10:56:26 [dev] Failed to generate fat binary: rust-lld: error: cannot open __MANGANIS__07ab8298cecd86fa: no such file or directory
10:56:26 [dev] Build failed: Failed to write executable
1: Failed to emit module: magic header not detected: bad magic number - expected=[
0x0,
0x61,
0x73,
0x6d,
] actual=[
0x64,
0x86,
0x0,
0x0,
] (at offset 0x0)
2: magic header not detected: bad magic number - expected=[
0x0,
0x61,
0x73,
0x6d,
] actual=[
0x64,
0x86,
0x0,
0x0,
] (at offset 0x0)
╭──────────────────────────────────────────────────────────────────────────────── /:more ╮
│ App: ━━━━━━━━━━━━━━━━━━━━━━━━━━ ❌ Platform: Web │
│ Bundle: ━━━━━━━━━━━━━━━━━━━━━━━━━━ ❌ App features: ["web"] │
│ Status: Failed Serving at: http://127.0.0.1:8080 │
╰────────────────────────────────────────────────────────────────────────────────────────╯
Expected behavior
It works
Screenshots
Environment:
- Dioxus version:
dx -Vgivesdioxus 0.7.1 (03ab7fa) - Rust version:
rustc --versiongivesrustc 1.91.1 (ed61e7d7e 2025-11-07)
rustup showgives
Default host: x86_64-pc-windows-msvc
rustup home: C:\Users\Administrator\.rustup
installed toolchains
--------------------
stable-x86_64-pc-windows-gnu
stable-x86_64-pc-windows-msvc (active, default)
nightly-x86_64-pc-windows-msvc
active toolchain
----------------
name: stable-x86_64-pc-windows-msvc
active because: it's the default toolchain
installed targets:
wasm32-unknown-unknown
x86_64-pc-windows-msvc
- OS info: Windows11
- App platform: Web
Questionnaire
Same error even within x64 Native Tools Command Prompt for VS 2022