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/dev/sda15      105M  6.2M   99M   6% /boot/efi
tmpfs           1.6G   12K  1.6G   1% /run/user/1001
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Sufficient disk space available (94917552KB >= 52428800KB). Skipping cleanup.
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☔ The latest upstream changes (presumably #153278) made this pull request unmergeable. Please resolve the merge conflicts.

@Zoxc: I think this can be improved if you:

• Remove the FromCycleError impl for Result<ty::EarlyBinder<'_, Ty<'_>>, CyclePlaceholder>, but keep the impl for ty::EarlyBinder<'_, Ty<'_>>.
• Change type_of_opaques return type to ty::EarlyBinder<'_, Ty<'_>> and remove the cycle_stash.

That should allow the removal of the following, which all becomes dead code:

• The cycle_stash modifier, CyclePlaceholder, SelectionError::OpaqueTypeAutoTraitLeakageUnknown, report_opaque_type_auto_trait_leakage StashKey::Cycle, and CycleErrorHandling::Stash.

Only two tests will have their output affected, and one of those will be trivial changes, leaving auto-trait-leak.rs as the only one with significant changes.