[INFO] updating cached repository vcashorg/vcash-wallet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vcashorg/vcash-wallet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vcashorg/vcash-wallet" "work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash-wallet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash-wallet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vcashorg/vcash-wallet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash-wallet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash-wallet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66aa5e61b4930987d4e8407b9155daf42d0c8589
[INFO] sha for GitHub repo vcashorg/vcash-wallet: 66aa5e61b4930987d4e8407b9155daf42d0c8589
[INFO] validating manifest of vcashorg/vcash-wallet 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 vcashorg/vcash-wallet 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 vcashorg/vcash-wallet
[INFO] removed workspace from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_api from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_config from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_controller from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_impls from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_libwallet from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_util from vcashorg/vcash-wallet
[INFO] finished frobbing vcashorg/vcash-wallet
[INFO] frobbed toml for vcashorg/vcash-wallet written to work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash-wallet/Cargo.toml
[INFO] started frobbing vcashorg/vcash-wallet
[INFO] removed workspace from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_api from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_config from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_controller from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_impls from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_libwallet from vcashorg/vcash-wallet
[INFO] removed path dependency grin_wallet_util from vcashorg/vcash-wallet
[INFO] finished frobbing vcashorg/vcash-wallet
[INFO] frobbed toml for vcashorg/vcash-wallet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash-wallet/Cargo.toml
[INFO] crate vcashorg/vcash-wallet 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 `zeroize = "^0.8.0"`
[INFO] [stderr]   candidate versions found which didn't match: 0.9.3, 0.9.2, 0.9.1, ...
[INFO] [stderr]   location searched: crates.io index
[INFO] [stderr] required by package `grin_keychain v1.1.0`
[INFO] [stderr]     ... which is depended on by `grin_wallet_util v1.1.0`
[INFO] [stderr]     ... which is depended on by `grin_wallet_api v1.1.0`
[INFO] [stderr]     ... which is depended on by `grin_wallet_controller v1.1.0`
[INFO] [stderr]     ... which is depended on by `vcash_wallet v1.1.0-beta.2 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash-wallet)`
[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