[INFO] cloning repository https://github.com/IPConvergence/SubstrateDevAcademy_ex6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IPConvergence/SubstrateDevAcademy_ex6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPConvergence%2FSubstrateDevAcademy_ex6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPConvergence%2FSubstrateDevAcademy_ex6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7cef4ba7c1a7eee920407d97aae88f47baa0142
[INFO] checking IPConvergence/SubstrateDevAcademy_ex6 against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIPConvergence%2FSubstrateDevAcademy_ex6" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IPConvergence/SubstrateDevAcademy_ex6 on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IPConvergence/SubstrateDevAcademy_ex6
[INFO] finished tweaking git repo https://github.com/IPConvergence/SubstrateDevAcademy_ex6
[INFO] tweaked toml for git repo https://github.com/IPConvergence/SubstrateDevAcademy_ex6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/IPConvergence/SubstrateDevAcademy_ex6 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linregress v0.4.0
[INFO] [stderr]   Downloaded environmental v1.1.2
[INFO] [stderr]   Downloaded derive_more v0.99.13
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.1
[INFO] [stderr]   Downloaded orml-nft v0.4.0
[INFO] [stderr]   Downloaded memoffset v0.6.2
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.2
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded retain_mut v0.1.2
[INFO] [stderr]   Downloaded directories v3.0.1
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] [stderr]   Downloaded wast v35.0.1
[INFO] [stderr]   Downloaded statrs v0.12.0
[INFO] [stderr]   Downloaded syn v1.0.65
[INFO] [stderr]   Downloaded bitvec v0.20.2
[INFO] [stderr]   Downloaded erased-serde v0.3.13
[INFO] [stderr]   Downloaded vec-arena v1.1.0
[INFO] [stderr]   Downloaded signal-hook v0.3.7
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.0
[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

    Blocking waiting for file lock on package cache
    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded linregress v0.4.0
  Downloaded environmental v1.1.2
  Downloaded derive_more v0.99.13
  Downloaded trie-db v0.22.3
  Downloaded parity-scale-codec-derive v2.0.1
  Downloaded orml-nft v0.4.0
  Downloaded memoffset v0.6.2
  Downloaded quick-error v2.0.0
  Downloaded minicbor-derive v0.6.2
  Downloaded multihash-derive v0.7.1
  Downloaded dirs-sys v0.3.5
  Downloaded retain_mut v0.1.2
  Downloaded directories v3.0.1
  Downloaded x25519-dalek v1.1.0
  Downloaded handlebars v3.5.4
  Downloaded wast v35.0.1
  Downloaded statrs v0.12.0
  Downloaded syn v1.0.65
  Downloaded bitvec v0.20.2
  Downloaded erased-serde v0.3.13
  Downloaded vec-arena v1.1.0
  Downloaded signal-hook v0.3.7
  Downloaded async-process v1.0.2
  Downloaded kvdb-rocksdb v0.11.0
  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'