[INFO] cloning repository https://github.com/scarhug83/MathChain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scarhug83/MathChain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscarhug83%2FMathChain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscarhug83%2FMathChain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c01c1352514a9b75568b9f69c5d85e61a86d521e
[INFO] checking scarhug83/MathChain against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscarhug83%2FMathChain" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/scarhug83/MathChain
[INFO] finished tweaking git repo https://github.com/scarhug83/MathChain
[INFO] tweaked toml for git repo https://github.com/scarhug83/MathChain written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/scarhug83/MathChain on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/scarhug83/MathChain 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/mathwallet/frontier`
[INFO] [stderr]     Updating git repository `https://github.com/mathwallet/MathChain-common`
[INFO] [stderr]     Updating git repository `https://github.com/mathwallet/secret-store.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded base58 v0.1.0
[INFO] [stderr]   Downloaded kvdb v0.9.0
[INFO] [stderr]   Downloaded block-cipher v0.8.0
[INFO] [stderr]   Downloaded unsigned-varint v0.7.0
[INFO] [stderr]   Downloaded enum-as-inner v0.3.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.1
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded jsonrpc-core v15.1.0
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded parity-db v0.2.3
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parity-db-0.2.3/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

    Updating crates.io index
    Updating git repository `https://github.com/mathwallet/frontier`
    Updating git repository `https://github.com/mathwallet/MathChain-common`
    Updating git repository `https://github.com/mathwallet/secret-store.git`
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded rustc-demangle v0.1.18
  Downloaded ctor v0.1.19
  Downloaded value-bag v1.0.0-alpha.6
  Downloaded redox_syscall v0.2.5
  Downloaded walkdir v2.3.1
  Downloaded radium v0.6.2
  Downloaded serde_derive v1.0.124
  Downloaded once_cell v1.7.2
  Downloaded futures-task v0.3.13
  Downloaded hmac-drbg v0.2.0
  Downloaded base58 v0.1.0
  Downloaded kvdb v0.9.0
  Downloaded block-cipher v0.8.0
  Downloaded unsigned-varint v0.7.0
  Downloaded enum-as-inner v0.3.3
  Downloaded trust-dns-proto v0.20.1
  Downloaded ripemd160 v0.9.1
  Downloaded jsonrpc-core v15.1.0
  Downloaded tokio-codec v0.1.2
  Downloaded tokio-service v0.1.0
  Downloaded tokio-threadpool v0.1.18
  Downloaded failure v0.1.8
  Downloaded tokio-timer v0.2.13
  Downloaded parity-db v0.2.3
error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parity-db-0.2.3/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'