[INFO] updating cached repository bbqsrc/gurka
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bbqsrc/gurka
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bbqsrc/gurka" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bbqsrc/gurka"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bbqsrc/gurka'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bbqsrc/gurka" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bbqsrc/gurka"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bbqsrc/gurka'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3914f3a75487684ffbaa8773365c5e8f3459bcf3
[INFO] sha for GitHub repo bbqsrc/gurka: 3914f3a75487684ffbaa8773365c5e8f3459bcf3
[INFO] validating manifest of bbqsrc/gurka on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bbqsrc/gurka on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bbqsrc/gurka
[INFO] removed 1 missing tests
[INFO] removed path dependency cucumber_rust from bbqsrc/gurka
[INFO] finished frobbing bbqsrc/gurka
[INFO] frobbed toml for bbqsrc/gurka written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bbqsrc/gurka/Cargo.toml
[INFO] started frobbing bbqsrc/gurka
[INFO] removed 1 missing tests
[INFO] removed path dependency cucumber_rust from bbqsrc/gurka
[INFO] finished frobbing bbqsrc/gurka
[INFO] frobbed toml for bbqsrc/gurka written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/bbqsrc/gurka/Cargo.toml
[INFO] crate bbqsrc/gurka has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-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 = "^0.11.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.14.3, 0.14.2, 0.14.1, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `gurka v0.1.0 (/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/bbqsrc/gurka)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed