[INFO] cloning repository https://github.com/bmacer/exercise4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmacer/exercise4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmacer%2Fexercise4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmacer%2Fexercise4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d850a87755da0b02379d8fdcfd552e44f20ef7a3
[INFO] checking bmacer/exercise4 against master#d1ed52b1f5b78bf66127b670af813b84d57aeedb for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmacer%2Fexercise4" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bmacer/exercise4
[INFO] finished tweaking git repo https://github.com/bmacer/exercise4
[INFO] tweaked toml for git repo https://github.com/bmacer/exercise4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bmacer/exercise4 on toolchain d1ed52b1f5b78bf66127b670af813b84d57aeedb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bmacer/exercise4 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" "+d1ed52b1f5b78bf66127b670af813b84d57aeedb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-wasm-interface v3.0.0
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded cargo-platform v0.1.1
[INFO] [stderr]   Downloaded wasmi v0.6.2
[INFO] [stderr]   Downloaded sp-runtime v3.0.0
[INFO] [stderr]   Downloaded parity-wasm v0.41.0
[INFO] [stderr]   Downloaded sp-io v3.0.0
[INFO] [stderr]   Downloaded semver-parser v0.10.2
[INFO] [stderr]   Downloaded wasm-gc-api v0.1.11
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded libp2p-ping v0.27.0
[INFO] [stderr]   Downloaded semver v0.11.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.27.0
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded sp-timestamp v3.0.0
[INFO] [stderr]   Downloaded ref-cast v1.0.6
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded primitive-types v0.9.0
[INFO] [stderr]   Downloaded yamux v0.8.1
[INFO] [stderr]   Downloaded poly1305 v0.6.2
[INFO] [stderr]   Downloaded pallet-grandpa v3.0.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v15.1.0
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.69.0
[INFO] [stderr]   Downloaded linked_hash_set v0.1.4
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.69.0
[INFO] [stderr]   Downloaded names v0.11.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.22.0
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded sp-consensus-babe v0.9.0
[INFO] [stderr]   Downloaded zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v15.1.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
[INFO] [stderr]   Downloaded substrate-build-script-utils v3.0.0
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-http-server v15.1.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded frame-benchmarking-cli v3.0.0
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded sc-proposer-metrics v0.9.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded sp-keyring v3.0.0
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded sc-consensus-slots v0.9.0
[INFO] [stderr]   Downloaded sc-cli v0.9.0
[INFO] [stderr]   Downloaded sc-client-db v0.9.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded directories v3.0.1
[INFO] [stderr]   Downloaded sc-finality-grandpa v0.9.0
[INFO] [stderr]   Downloaded base58 v0.1.0
[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
 Downloading crates ...
  Downloaded sp-wasm-interface v3.0.0
  Downloaded ctor v0.1.20
  Downloaded value-bag v1.0.0-alpha.6
  Downloaded cargo-platform v0.1.1
  Downloaded wasmi v0.6.2
  Downloaded sp-runtime v3.0.0
  Downloaded parity-wasm v0.41.0
  Downloaded sp-io v3.0.0
  Downloaded semver-parser v0.10.2
  Downloaded wasm-gc-api v0.1.11
  Downloaded futures-lite v1.11.3
  Downloaded pest v2.1.3
  Downloaded libp2p-ping v0.27.0
  Downloaded semver v0.11.0
  Downloaded libp2p-floodsub v0.27.0
  Downloaded zeroize v1.2.0
  Downloaded sp-timestamp v3.0.0
  Downloaded ref-cast v1.0.6
  Downloaded byte-tools v0.3.1
  Downloaded primitive-types v0.9.0
  Downloaded yamux v0.8.1
  Downloaded poly1305 v0.6.2
  Downloaded pallet-grandpa v3.0.0
  Downloaded jsonrpc-client-transports v15.1.0
  Downloaded want v0.2.0
  Downloaded cranelift-bforest v0.69.0
  Downloaded linked_hash_set v0.1.4
  Downloaded cranelift-codegen-meta v0.69.0
  Downloaded names v0.11.0
  Downloaded wasmtime-obj v0.22.0
  Downloaded scroll_derive v0.10.5
  Downloaded sp-consensus-babe v0.9.0
  Downloaded zstd-safe v2.0.6+zstd.1.4.7
  Downloaded zstd v0.5.4+zstd.1.4.7
  Downloaded pest_derive v2.1.0
  Downloaded jsonrpc-ipc-server v15.1.0
  Downloaded crossbeam-deque v0.7.3
  Downloaded substrate-build-script-utils v3.0.0
  Downloaded tokio-buf v0.1.1
  Downloaded jsonrpc-http-server v15.1.0
  Downloaded tokio-threadpool v0.1.18
  Downloaded pest_meta v2.1.3
  Downloaded frame-benchmarking-cli v3.0.0
  Downloaded pest_generator v2.1.3
  Downloaded sc-proposer-metrics v0.9.0
  Downloaded strum_macros v0.20.1
  Downloaded sp-keyring v3.0.0
  Downloaded strum v0.20.0
  Downloaded sc-consensus-slots v0.9.0
  Downloaded sc-cli v0.9.0
  Downloaded sc-client-db v0.9.0
  Downloaded hyper v0.12.36
  Downloaded opaque-debug v0.2.3
  Downloaded pbkdf2 v0.3.0
  Downloaded fake-simd v0.1.2
  Downloaded directories v3.0.1
  Downloaded sc-finality-grandpa v0.9.0
  Downloaded base58 v0.1.0
  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'