bug#47019: Rust 1.26.2 from the master branch fails to build on aarch64-linux

[Maxim Cournoyer]

Hello,

Christopher Baines <mail@cbaines.net> writes:

> The failure seems to occur in the check phase, see the build logs
> referenced from:
>
> https://data.guix-patches.cbaines.net/gnu/store/c3f7d3ziwjfkwg3j7xz47dj44sb2l5av-rust-1.26.2.drv
>
> This looks like a relevant error:
>
> ---- [compile-fail] compile-fail/issue-15919.rs stdout ----
>       
>
> executing
> "/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/build/aarch64-unknown-linux-gnu/stage2/bin/rustc"
> "/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/src/test/compile-fail/issue-15919.rs"
> "-L"
> "/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/build/aarch64-unknown-linux-gnu/test/compile-fail"
> "--target=aarch64-unknown-linux-gnu" "-Zui-testing" "-C"
> "prefer-dynamic" "-o"
> "/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/build/aarch64-unknown-linux-gnu/test/compile-fail/issue-15919.stage2-aarch64-unknown-linux-gnu"
> "-Crpath" "-O" "-Zmiri" "-Zunstable-options"
> "-Lnative=/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/build/aarch64-unknown-linux-gnu/native/rust-test-helpers"
> "-L"
> "/tmp/guix-build-rust-1.26.2.drv-0/rustc-1.26.2-src/build/aarch64-unknown-linux-gnu/test/compile-fail/issue-15919.stage2-aarch64-unknown-linux-gnu.aux"
> "-A" "unused"
> ------stdout------------------------------
>
> ------stderr------------------------------
> error: the type `[usize; 18446744073709551615]` is too big for the current 
> architecture

Our oldest rust is now 1.39.

Closing.

Maxim