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

[Christopher Baines]

Efraim Flashner <efraim@flashner.co.il> writes:

> On Tue, Mar 09, 2021 at 08:56:54AM +0000, Christopher Baines wrote:
>> 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
>
> Is that native or emulated?

I'm almost certain they were native builds. I've recently started trying
to mix QEMU binfmt assisted builds in with native builds on
guix.cbaines.net, but these three builds happened before that:

https://data.guix-patches.cbaines.net/build-server/3/build?build_server_build_id=dcab4175-2f20-4284-9db5-c78aa4ebe560
https://data.guix-patches.cbaines.net/build-server/3/build?build_server_build_id=3cf027c0-d1c3-443b-8909-84d3c6911cfa
https://data.guix-patches.cbaines.net/build-server/3/build?build_server_build_id=21e54b9f-5c0f-4565-bde4-b4fde6f741d7

Eventually, there will be metadata for the builds which will say
something about the setup used.

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