[INFO] cloning repository https://github.com/danwani/substrate-assignment-on-v3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danwani/substrate-assignment-on-v3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwani%2Fsubstrate-assignment-on-v3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwani%2Fsubstrate-assignment-on-v3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d3cafb11837909c3b6cb0dd7ff517b9d0efcfca
[INFO] checking danwani/substrate-assignment-on-v3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanwani%2Fsubstrate-assignment-on-v3" "/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/danwani/substrate-assignment-on-v3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danwani/substrate-assignment-on-v3
[INFO] finished tweaking git repo https://github.com/danwani/substrate-assignment-on-v3
[INFO] tweaked toml for git repo https://github.com/danwani/substrate-assignment-on-v3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danwani/substrate-assignment-on-v3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.0
[INFO] [stderr]   Downloaded sp-trie v3.0.0
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded sp-core v3.0.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.8.0
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded substrate-build-script-utils v3.0.0
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.30.0
[INFO] [stderr]   Downloaded frame-support-procedural-tools v3.0.0
[INFO] [stderr]   Downloaded sp-api v3.0.0
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded libp2p-core-derive v0.21.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.22.0
[INFO] [stderr]   Downloaded wasmtime-cache v0.22.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.69.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.69.0
[INFO] [stderr]   Downloaded target-lexicon v0.11.1
[INFO] [stderr]   Downloaded sc-executor-common v0.9.0
[INFO] [stderr]   Downloaded sp-allocator v3.0.0
[INFO] [stderr]   Downloaded wasmtime-debug v0.22.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.69.0
[INFO] [stderr]   Downloaded cranelift-native v0.69.0
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.9.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.9
[INFO] [stderr]   Downloaded sc-consensus v0.9.0
[INFO] [stderr]   Downloaded sp-keyring v3.0.0
[INFO] [stderr]   Downloaded wasmtime-obj v0.22.0
[INFO] [stderr]   Downloaded sc-chain-spec-derive v3.0.0
[INFO] [stderr]   Downloaded fork-tree v3.0.0
[INFO] [stderr]   Downloaded sc-consensus-slots v0.9.0
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded sc-basic-authorship v0.9.0
[INFO] [stderr]   Downloaded platforms v1.1.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.22.0
[INFO] [stderr]   Downloaded raw-cpuid v8.1.2
[INFO] [stderr]   Downloaded sc-service v0.9.0
[INFO] [stderr]   Downloaded handlebars v3.5.2
[INFO] [stderr]   Downloaded sc-network v0.9.0
[INFO] [stderr]   Downloaded sc-client-db v0.9.0
[INFO] [stderr]   Downloaded sc-rpc v3.0.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.69.0
[INFO] [stderr]   Downloaded sc-transaction-graph v3.0.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.22.0
[INFO] [stderr]   Downloaded wasmtime-profiling v0.22.0
[INFO] [stderr]   Downloaded psm v0.1.12
[INFO] [stderr]   Downloaded sc-consensus-epochs v0.9.0
[INFO] [stderr]   Downloaded parity-db v0.2.2
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/parity-db-0.2.2/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'
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.