Re: Network error when cargo-build-system fetches dependency from external repository specified in Cargo.toml

[Ian Eure]

Hi Airi,

Airi via <help-guix@gnu.org> writes:

> Hello,
> I am trying to package a program using the cargo-build-system.
> During the build phase, it tries to fetch a dependency specified 
> in the Cargo.toml file, but fails with a network issue. But when 
> built outside of Guix with a hand-typed "cargo build --release", 
> it builds without error. It's almost as though the 
> cargo-build-system has some kind of network sandbox that 
> prevents fetching repos from urls during the build phase...

All Guix builds, regardless of the build-system they use, run in 
an isolated environment without network access, to enforce 
reproducible builds.

I’m not familiar with Rust or Cargo, but I believe you need to 
package the dependencies msdfgen-rs uses.

 — Ian