[INFO] updating cached repository vcashorg/vcash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vcashorg/vcash
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vcashorg/vcash" "work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vcashorg/vcash" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a63ded68893e53f2eabccfab0b663b5e4ef16ce3
[INFO] sha for GitHub repo vcashorg/vcash: a63ded68893e53f2eabccfab0b663b5e4ef16ce3
[INFO] validating manifest of vcashorg/vcash 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 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
[INFO] removed workspace from vcashorg/vcash
[INFO] removed path dependency grin_api from vcashorg/vcash
[INFO] removed path dependency grin_config from vcashorg/vcash
[INFO] removed path dependency grin_core from vcashorg/vcash
[INFO] removed path dependency grin_keychain from vcashorg/vcash
[INFO] removed path dependency grin_p2p from vcashorg/vcash
[INFO] removed path dependency grin_servers from vcashorg/vcash
[INFO] removed path dependency grin_util from vcashorg/vcash
[INFO] removed path dependency grin_chain from vcashorg/vcash
[INFO] removed path dependency grin_store from vcashorg/vcash
[INFO] finished frobbing vcashorg/vcash
[INFO] frobbed toml for vcashorg/vcash written to work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash/Cargo.toml
[INFO] started frobbing vcashorg/vcash
[INFO] removed workspace from vcashorg/vcash
[INFO] removed path dependency grin_api from vcashorg/vcash
[INFO] removed path dependency grin_config from vcashorg/vcash
[INFO] removed path dependency grin_core from vcashorg/vcash
[INFO] removed path dependency grin_keychain from vcashorg/vcash
[INFO] removed path dependency grin_p2p from vcashorg/vcash
[INFO] removed path dependency grin_servers from vcashorg/vcash
[INFO] removed path dependency grin_util from vcashorg/vcash
[INFO] removed path dependency grin_chain from vcashorg/vcash
[INFO] removed path dependency grin_store from vcashorg/vcash
[INFO] finished frobbing vcashorg/vcash
[INFO] frobbed toml for vcashorg/vcash written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/vcashorg/vcash/Cargo.toml
[INFO] crate vcashorg/vcash 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 `vcash v1.1.0-beta.2 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/vcashorg/vcash)`
[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