[INFO] cloning repository https://github.com/ignazio-bovo/substrate_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ignazio-bovo/substrate_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignazio-bovo%2Fsubstrate_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignazio-bovo%2Fsubstrate_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5901ca4d1ef1f014b01f2dae5ed6ee9ce2be6092
[INFO] checking ignazio-bovo/substrate_playground against master#3645249d79dfb136b5d8de3ce153d19d6698d92d for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fignazio-bovo%2Fsubstrate_playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ignazio-bovo/substrate_playground
[INFO] finished tweaking git repo https://github.com/ignazio-bovo/substrate_playground
[INFO] tweaked toml for git repo https://github.com/ignazio-bovo/substrate_playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ignazio-bovo/substrate_playground 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/ignazio-bovo/substrate_playground 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]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded linregress v0.4.1
[INFO] [stderr]   Downloaded if-watch v0.2.2
[INFO] [stderr]   Downloaded libp2p-mdns v0.30.2
[INFO] [stderr]   Downloaded ed25519 v1.1.1
[INFO] [stderr]   Downloaded cpufeatures v0.1.4
[INFO] [stderr]   Downloaded cranelift-native v0.71.0
[INFO] [stderr]   Downloaded async-std-resolver v0.20.3
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded wasmtime-cache v0.24.0
[INFO] [stderr]   Downloaded wasmtime-fiber v0.24.0
[INFO] [stderr]   Downloaded cid v0.6.1
[INFO] [stderr]   Downloaded wasmtime-jit v0.24.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.1
[INFO] [stderr]   Downloaded cranelift-wasm v0.71.0
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] [stderr]   Downloaded rocksdb v0.16.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded wasmtime v0.24.0
[INFO] [stderr]   Downloaded statrs v0.13.0
[INFO] [stderr]   Downloaded wasmparser v0.76.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.71.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.30.1
[INFO] [stderr]   Downloaded libp2p-core v0.28.3
[INFO] [stderr]   Downloaded nalgebra v0.19.0
[INFO] [stderr]   Downloaded x25519-dalek v1.1.1
[INFO] [stderr]   Downloaded signal-hook v0.3.8
[INFO] [stderr]   Downloaded wasmtime-debug v0.24.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.24.0
[INFO] [stderr]   Downloaded nalgebra v0.25.4
[INFO] [stderr]   Downloaded minicbor v0.8.1
[INFO] [stderr]   Downloaded multistream-select v0.10.2
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded async-process v1.1.0
[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'


overridden task result to prepare-fail:unknown

Caused by:
    broken dependencies: 
    
     Downloading crates ...
      Downloaded matrixmultiply v0.3.1
      Downloaded trie-db v0.22.3
      Downloaded linregress v0.4.1
      Downloaded if-watch v0.2.2
      Downloaded libp2p-mdns v0.30.2
      Downloaded ed25519 v1.1.1
      Downloaded cpufeatures v0.1.4
      Downloaded cranelift-native v0.71.0
      Downloaded async-std-resolver v0.20.3
      Downloaded directories v3.0.2
      Downloaded wasmtime-cache v0.24.0
      Downloaded wasmtime-fiber v0.24.0
      Downloaded cid v0.6.1
      Downloaded wasmtime-jit v0.24.0
      Downloaded kvdb-rocksdb v0.11.1
      Downloaded cranelift-wasm v0.71.0
      Downloaded handlebars v3.5.5
      Downloaded rocksdb v0.16.0
      Downloaded hyper v0.12.36
      Downloaded wasmtime v0.24.0
      Downloaded statrs v0.13.0
      Downloaded wasmparser v0.76.0
      Downloaded cranelift-codegen-meta v0.71.0
      Downloaded libp2p-gossipsub v0.30.1
      Downloaded libp2p-core v0.28.3
      Downloaded nalgebra v0.19.0
      Downloaded x25519-dalek v1.1.1
      Downloaded signal-hook v0.3.8
      Downloaded wasmtime-debug v0.24.0
      Downloaded wasmtime-runtime v0.24.0
      Downloaded nalgebra v0.25.4
      Downloaded minicbor v0.8.1
      Downloaded multistream-select v0.10.2
      Downloaded polling v2.0.3
      Downloaded async-io v1.4.1
      Downloaded async-process v1.1.0
      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'