[INFO] updating cached repository rstims/awsle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rstims/awsle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rstims/awsle" "work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/rstims/awsle"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/rstims/awsle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rstims/awsle" "work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/rstims/awsle"`
[INFO] [stderr] Cloning into 'work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/rstims/awsle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e23fd89d940a1241b0d89d31c607e80dbe009680
[INFO] sha for GitHub repo rstims/awsle: e23fd89d940a1241b0d89d31c607e80dbe009680
[INFO] validating manifest of rstims/awsle on toolchain master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rstims/awsle on toolchain try#26f8d250bb3c8a85e812cf663c730ef9e0df9315
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+26f8d250bb3c8a85e812cf663c730ef9e0df9315-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rstims/awsle
[INFO] removed path dependency acme-client from rstims/awsle
[INFO] finished frobbing rstims/awsle
[INFO] frobbed toml for rstims/awsle written to work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/rstims/awsle/Cargo.toml
[INFO] started frobbing rstims/awsle
[INFO] removed path dependency acme-client from rstims/awsle
[INFO] finished frobbing rstims/awsle
[INFO] frobbed toml for rstims/awsle written to work/ex/pr-57609/sources/try#26f8d250bb3c8a85e812cf663c730ef9e0df9315/gh/rstims/awsle/Cargo.toml
[INFO] crate rstims/awsle has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `ring = "^0.11"`
[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_core v0.28.0`
[INFO] [stderr]     ... which is depended on by `awsle v0.1.0 (/mnt/big/crater/work/ex/pr-57609/sources/master#03acbd71c977cd63ce5f39ba9b6fe9ffd578785a/gh/rstims/awsle)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+03acbd71c977cd63ce5f39ba9b6fe9ffd578785a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed