[INFO] crate aws_instance_metadata 0.1.1 is already in cache [INFO] extracting crate aws_instance_metadata 0.1.1 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/aws_instance_metadata/0.1.1 [INFO] extracting crate aws_instance_metadata 0.1.1 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/aws_instance_metadata/0.1.1 [INFO] validating manifest of aws_instance_metadata-0.1.1 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of aws_instance_metadata-0.1.1 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing aws_instance_metadata-0.1.1 [INFO] finished frobbing aws_instance_metadata-0.1.1 [INFO] frobbed toml for aws_instance_metadata-0.1.1 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/aws_instance_metadata/0.1.1/Cargo.toml [INFO] started frobbing aws_instance_metadata-0.1.1 [INFO] finished frobbing aws_instance_metadata-0.1.1 [INFO] frobbed toml for aws_instance_metadata-0.1.1 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/aws_instance_metadata/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] error: failed to select a version for the requirement `ring = "^0.6"` [INFO] [stderr] candidate versions found which didn't match: 0.14.0, 0.13.5, 0.8.1 [INFO] [stderr] location searched: crates.io index [INFO] [stderr] required by package `rusoto v0.23.0` [INFO] [stderr] ... which is depended on by `aws_instance_metadata v0.1.1 (/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/aws_instance_metadata/0.1.1)` [ERROR] this task or one of its parent failed! [ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed