[INFO] cloning repository https://github.com/arthas168/proof-of-existence-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthas168/proof-of-existence-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthas168%2Fproof-of-existence-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthas168%2Fproof-of-existence-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4614e3aaed9e1dea6f7b7cef9b2fea449cb4919d
[INFO] checking arthas168/proof-of-existence-blockchain against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthas168%2Fproof-of-existence-blockchain" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arthas168/proof-of-existence-blockchain
[INFO] finished tweaking git repo https://github.com/arthas168/proof-of-existence-blockchain
[INFO] tweaked toml for git repo https://github.com/arthas168/proof-of-existence-blockchain written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arthas168/proof-of-existence-blockchain on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/arthas168/proof-of-existence-blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.27.0
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.30.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.11.0
[INFO] [stderr]   Downloaded cid v0.6.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.27.0
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded libp2p-mplex v0.27.0
[INFO] [stderr]   Downloaded frame-benchmarking v3.0.0
[INFO] [stderr]   Downloaded parity-db v0.2.2
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parity-db-0.2.2/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse the version requirement `0.11	` for dependency `parking_lot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   expected comma after minor version number, found '\t'


command failed: exit status: 101

    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded parity-scale-codec-derive v2.0.0
  Downloaded libp2p-tcp v0.27.0
  Downloaded multistream-select v0.10.0
  Downloaded libp2p-yamux v0.30.0
  Downloaded parity-multiaddr v0.11.0
  Downloaded cid v0.6.0
  Downloaded libp2p-plaintext v0.27.0
  Downloaded paste v1.0.4
  Downloaded libp2p-mplex v0.27.0
  Downloaded frame-benchmarking v3.0.0
  Downloaded parity-db v0.2.2
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parity-db-0.2.2/Cargo.toml`

Caused by:
  failed to parse the version requirement `0.11	` for dependency `parking_lot`

Caused by:
  expected comma after minor version number, found '\t'