Description

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error: failed to select a version for the requirement `ahash = "^0.7.6"`
candidate versions found which didn't match: 0.8.5, 0.8.4, 0.4.1, ...
location searched: crates.io index
required by package `specs v0.20.0`

https://crates.io/crates/ahash/versions -- 7.5 is yanked

Related:
tkaitchuck/aHash#174

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