[INFO] fetching crate grin_secp256k1zkp 0.7.6...
[INFO] extracting crate grin_secp256k1zkp 0.7.6 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/grin_secp256k1zkp/0.7.6
[INFO] extracting crate grin_secp256k1zkp 0.7.6 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/grin_secp256k1zkp/0.7.6
[INFO] validating manifest of grin_secp256k1zkp-0.7.6 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grin_secp256k1zkp-0.7.6 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grin_secp256k1zkp-0.7.6
[INFO] finished frobbing grin_secp256k1zkp-0.7.6
[INFO] frobbed toml for grin_secp256k1zkp-0.7.6 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/grin_secp256k1zkp/0.7.6/Cargo.toml
[INFO] started frobbing grin_secp256k1zkp-0.7.6
[INFO] finished frobbing grin_secp256k1zkp-0.7.6
[INFO] frobbed toml for grin_secp256k1zkp-0.7.6 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/grin_secp256k1zkp/0.7.6/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-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 `zeroize = "^0.8"`
[INFO] [stderr]   candidate versions found which didn't match: 0.9.2, 0.9.1, 0.9.0, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `grin_secp256k1zkp v0.7.6 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/grin_secp256k1zkp/0.7.6)`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:yanked
[ERROR] caused by: crate grin_secp256k1zkp-0.7.6 depends on yanked crates
[ERROR]