[INFO] updating cached repository blockchain-analysis-study/my-grin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blockchain-analysis-study/my-grin
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blockchain-analysis-study/my-grin" "work/ex/beta-1.38-1/sources/1.37.0/gh/blockchain-analysis-study/my-grin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/blockchain-analysis-study/my-grin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blockchain-analysis-study/my-grin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/blockchain-analysis-study/my-grin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of blockchain-analysis-study/my-grin on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "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/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/blockchain-analysis-study/my-grin)`
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed