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Bug 934004 - app-benchmarks/hyperfine-1.16.1: "unknown feature `proc_macro_span_shrink`" with >=dev-lang/rust-1.72.0[nightly]
Summary: app-benchmarks/hyperfine-1.16.1: "unknown feature `proc_macro_span_shrink`" w...
Status: UNCONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: No maintainer - Look at https://wiki.gentoo.org/wiki/Project:Proxy_Maintainers if you want to take care of it
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Reported: 2024-06-10 15:13 UTC by sin-ack
Modified: 2024-06-11 15:26 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
emerge --info (hyperfine-1.16.1-emerge-info.txt,19.84 KB, text/plain)
2024-06-10 15:13 UTC, sin-ack 		Details
emerge -pqv (hyperfine-1.16.1-emerge-pqv.txt,174 bytes, text/plain)
2024-06-10 15:14 UTC, sin-ack 		Details
build.log (hyperfine-1.16.1-build.log,66.90 KB, text/x-log)
2024-06-10 15:14 UTC, sin-ack 		Details
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Description sin-ack 2024-06-10 15:13:41 UTC 
Created attachment 895515 [details]
emerge --info

A change to the `proc_macro_span` nightly feature was made in the 1.72.0 release: https://github.com/rust-lang/rust/pull/111571

Now, if one enables USE=nightly on new Rust versions, the hyperfine build fails.

`emerge --info`, `emerge -pqv`, `build.log` attached.
Comment 1 sin-ack 2024-06-10 15:14:04 UTC 
Created attachment 895517 [details]
emerge -pqv
Comment 2 sin-ack 2024-06-10 15:14:22 UTC 
Created attachment 895518 [details]
build.log
Comment 3 sin-ack 2024-06-10 15:29:05 UTC 
Hyperfine >= 1.18.0 is not affected: https://github.com/sharkdp/hyperfine/pull/669

Looks to me like the best approach is putting <=dev-lang/rust-1.72.0 on an -r1.