[INFO] crate michelangelo 0.2.5 is already in cache
[INFO] extracting crate michelangelo 0.2.5 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/michelangelo/0.2.5
[INFO] extracting crate michelangelo 0.2.5 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/michelangelo/0.2.5
[INFO] validating manifest of michelangelo-0.2.5 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 michelangelo-0.2.5 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 michelangelo-0.2.5
[INFO] finished frobbing michelangelo-0.2.5
[INFO] frobbed toml for michelangelo-0.2.5 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/michelangelo/0.2.5/Cargo.toml
[INFO] started frobbing michelangelo-0.2.5
[INFO] finished frobbing michelangelo-0.2.5
[INFO] frobbed toml for michelangelo-0.2.5 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/michelangelo/0.2.5/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] error: failed to select a version for the requirement `stable-vec = "^0.2.1"`
[INFO] [stderr]   candidate versions found which didn't match: 0.4.0, 0.3.2, 0.3.1, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `descartes v0.1.19`
[INFO] [stderr]     ... which is depended on by `michelangelo v0.2.5 (/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/michelangelo/0.2.5)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate michelangelo-0.2.5 depends on yanked crates
[ERROR]