[INFO] updating cached repository chainpool/parity-p2p
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/chainpool/parity-p2p
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/chainpool/parity-p2p" "work/ex/beta-1.38-1/sources/1.37.0/gh/chainpool/parity-p2p"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/chainpool/parity-p2p'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chainpool/parity-p2p" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chainpool/parity-p2p"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chainpool/parity-p2p'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ef8a5f218f452f77614cd44502e185c3dc9d415
[INFO] sha for GitHub repo chainpool/parity-p2p: 4ef8a5f218f452f77614cd44502e185c3dc9d415
[INFO] validating manifest of chainpool/parity-p2p 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 chainpool/parity-p2p 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 chainpool/parity-p2p
[INFO] removed workspace from chainpool/parity-p2p
[INFO] removed path dependency exchange-executor from chainpool/parity-p2p
[INFO] removed path dependency exchange-primitives from chainpool/parity-p2p
[INFO] removed path dependency exchange-runtime from chainpool/parity-p2p
[INFO] finished frobbing chainpool/parity-p2p
[INFO] frobbed toml for chainpool/parity-p2p written to work/ex/beta-1.38-1/sources/1.37.0/gh/chainpool/parity-p2p/Cargo.toml
[INFO] started frobbing chainpool/parity-p2p
[INFO] removed workspace from chainpool/parity-p2p
[INFO] removed path dependency exchange-executor from chainpool/parity-p2p
[INFO] removed path dependency exchange-primitives from chainpool/parity-p2p
[INFO] removed path dependency exchange-runtime from chainpool/parity-p2p
[INFO] finished frobbing chainpool/parity-p2p
[INFO] frobbed toml for chainpool/parity-p2p written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/chainpool/parity-p2p/Cargo.toml
[INFO] crate chainpool/parity-p2p 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: no matching package named `exchange-executor` found
[INFO] [stderr] location searched: registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] required by package `p2p v0.1.0 (/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/chainpool/parity-p2p)`
[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