bug#35139: Rust builds systematically time out

[Maxim Cournoyer]

Hello,

Ludovic Courtès <ludo@gnu.org> writes:

> Hello,
>
> On berlin, Rust 1.24.1 builds systematically exceed the timeout:
>
> Building stage1 compiler artifacts (x86_64-unknown-linux-gnu -> 
> x86_64-unknown-linux-gnu)
>    Compiling arena v0.0.0 
> (file:///tmp/guix-build-rust-1.24.1.drv-0/rustc-1.24.1-src/src/libarena)
>    Compiling rustc_driver v0.0.0 
> (file:///tmp/guix-build-rust-1.24.1.drv-0/rustc-1.24.1-src/src/librustc_driver)
>
> [...]
>
>    Compiling rls-data v0.14.0
>    Compiling rustc_data_structures v0.0.0 
> (file:///tmp/guix-build-rust-1.24.1.drv-0/rustc-1.24.1-src/src/librustc_data_structures)
>    Compiling flate2 v1.0.1
>    Compiling syntax_pos v0.0.0 
> (file:///tmp/guix-build-rust-1.24.1.drv-0/rustc-1.24.1-src/src/libsyntax_pos)
>    Compiling rustc_errors v0.0.0 
> (file:///tmp/guix-build-rust-1.24.1.drv-0/rustc-1.24.1-src/src/librustc_errors)
>    Compiling backtrace v0.3.4
> guix offload: error: timeout expired while offloading 
> '/gnu/store/61bd22d9mg3xl260jwddisiahh3kmanj-rust-1.24.1.drv'
>
> Strangely, the build lasts ~9000 seconds (2.5 hours) on the front-end
> node of berlin¹, and the timeout for guix-daemon on berlin is 6h (see
> guix-maintenance.git) while the max-silent-time is 1h.

With the recent improvement in the Rust bootstrap toolchains, I'm
considering this fixed.

If there are still timeouts, Cuirass is now supposed to honor the
'timeout' property.

Closing!

Maxim