[INFO] crate vonuvoli-scheme 0.0.6 is already in cache
[INFO] extracting crate vonuvoli-scheme 0.0.6 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/vonuvoli-scheme/0.0.6
[INFO] extracting crate vonuvoli-scheme 0.0.6 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/vonuvoli-scheme/0.0.6
[INFO] validating manifest of vonuvoli-scheme-0.0.6 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vonuvoli-scheme-0.0.6 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vonuvoli-scheme-0.0.6
[INFO] finished frobbing vonuvoli-scheme-0.0.6
[INFO] frobbed toml for vonuvoli-scheme-0.0.6 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/vonuvoli-scheme/0.0.6/Cargo.toml
[INFO] started frobbing vonuvoli-scheme-0.0.6
[INFO] finished frobbing vonuvoli-scheme-0.0.6
[INFO] frobbed toml for vonuvoli-scheme-0.0.6 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/vonuvoli-scheme/0.0.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to select a version for the requirement `ring = "~0.12.1"`
[INFO] [stderr]   candidate versions found which didn't match: 0.16.9, 0.16.7, 0.16.6, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `vonuvoli-scheme v0.0.6 (/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/vonuvoli-scheme/0.0.6)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate vonuvoli-scheme-0.0.6 depends on yanked crates
[ERROR]