[INFO] cloning repository blockchain-analysis-study/my-grin
[INFO] running `"git" "clone" "--bare" "git://github.com/blockchain-analysis-study/my-grin.git" "work/cache/sources/gh/blockchain-analysis-study/my-grin"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/blockchain-analysis-study/my-grin'...
[INFO] running `"git" "clone" "work/cache/sources/gh/blockchain-analysis-study/my-grin" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blockchain-analysis-study/my-grin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blockchain-analysis-study/my-grin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blockchain-analysis-study/my-grin" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blockchain-analysis-study/my-grin"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blockchain-analysis-study/my-grin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8af630f3746bdff27ff72253505e0163f9800d3
[INFO] sha for GitHub repo blockchain-analysis-study/my-grin: a8af630f3746bdff27ff72253505e0163f9800d3
[INFO] validating manifest of blockchain-analysis-study/my-grin 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 blockchain-analysis-study/my-grin 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 blockchain-analysis-study/my-grin
[INFO] removed workspace from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_api from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_config from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_core from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_keychain from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_p2p from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_servers from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_util from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_chain from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_store from blockchain-analysis-study/my-grin
[INFO] finished frobbing blockchain-analysis-study/my-grin
[INFO] frobbed toml for blockchain-analysis-study/my-grin written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blockchain-analysis-study/my-grin/Cargo.toml
[INFO] started frobbing blockchain-analysis-study/my-grin
[INFO] removed workspace from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_api from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_config from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_core from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_keychain from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_p2p from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_servers from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_util from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_chain from blockchain-analysis-study/my-grin
[INFO] removed path dependency grin_store from blockchain-analysis-study/my-grin
[INFO] finished frobbing blockchain-analysis-study/my-grin
[INFO] frobbed toml for blockchain-analysis-study/my-grin written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blockchain-analysis-study/my-grin/Cargo.toml
[INFO] crate blockchain-analysis-study/my-grin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to select a version for the requirement `grin_api = "^1.1.1-beta.1"`
[INFO] [stderr]   candidate versions found which didn't match: 2.0.0, 1.1.0, 1.0.3, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `grin v1.1.1-beta.1 (/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blockchain-analysis-study/my-grin)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed