[INFO] cloning repository https://github.com/elevenolympian/SubstrateDeveloperExercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elevenolympian/SubstrateDeveloperExercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felevenolympian%2FSubstrateDeveloperExercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felevenolympian%2FSubstrateDeveloperExercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75bcf1a42216f95e1aab2981d3c1b6cf9f1ac0c6
[INFO] checking elevenolympian/SubstrateDeveloperExercises against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felevenolympian%2FSubstrateDeveloperExercises" "/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/elevenolympian/SubstrateDeveloperExercises
[INFO] finished tweaking git repo https://github.com/elevenolympian/SubstrateDeveloperExercises
[INFO] tweaked toml for git repo https://github.com/elevenolympian/SubstrateDeveloperExercises written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/elevenolympian/SubstrateDeveloperExercises on toolchain 3645249d79dfb136b5d8de3ce153d19d6698d92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/elevenolympian/SubstrateDeveloperExercises 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" "+3645249d79dfb136b5d8de3ce153d19d6698d92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded sp-wasm-interface v3.0.0
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.24
[INFO] [stderr]   Downloaded sp-panic-handler v3.0.0
[INFO] [stderr]   Downloaded sp-keystore v0.9.0
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded sp-version v3.0.0
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded lru v0.6.5
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded pallet-aura v3.0.0
[INFO] [stderr]   Downloaded sp-serializer v3.0.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.2
[INFO] [stderr]   Downloaded platforms v1.1.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded sc-tracing-proc-macro v3.0.0
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded kvdb-memorydb v0.9.0
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded frame-benchmarking-cli v3.0.0
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded sc-chain-spec v3.0.0
[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'


overridden task result to prepare-fail:unknown

Caused by:
    broken dependencies: 
    
        Updating crates.io index
     Downloading crates ...
      Downloaded ctor v0.1.20
      Downloaded sp-wasm-interface v3.0.0
      Downloaded value-bag v1.0.0-alpha.6
      Downloaded sp-std v3.0.0
      Downloaded thiserror-impl v1.0.24
      Downloaded sp-panic-handler v3.0.0
      Downloaded sp-keystore v0.9.0
      Downloaded async-trait v0.1.48
      Downloaded sp-version v3.0.0
      Downloaded sha-1 v0.9.4
      Downloaded lru v0.6.5
      Downloaded salsa20 v0.7.2
      Downloaded pallet-aura v3.0.0
      Downloaded sp-serializer v3.0.0
      Downloaded target-lexicon v0.11.2
      Downloaded platforms v1.1.0
      Downloaded crossbeam-queue v0.2.3
      Downloaded erased-serde v0.3.13
      Downloaded sc-tracing-proc-macro v3.0.0
      Downloaded which v3.1.1
      Downloaded kvdb-memorydb v0.9.0
      Downloaded pest_derive v2.1.0
      Downloaded pest_generator v2.1.3
      Downloaded frame-benchmarking-cli v3.0.0
      Downloaded pest_meta v2.1.3
      Downloaded sc-chain-spec v3.0.0
      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'