[INFO] cloning repository https://github.com/andropixels/exercise4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andropixels/exercise4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandropixels%2Fexercise4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandropixels%2Fexercise4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67d6120d8dce715f67599c74c078a5edf7153037
[INFO] checking andropixels/exercise4 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandropixels%2Fexercise4" "/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/andropixels/exercise4 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andropixels/exercise4
[INFO] finished tweaking git repo https://github.com/andropixels/exercise4
[INFO] tweaked toml for git repo https://github.com/andropixels/exercise4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/andropixels/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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded sp-wasm-interface v3.0.0
[INFO] [stderr]   Downloaded sp-trie v3.0.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.0.1
[INFO] [stderr]   Downloaded pallet-sudo v3.0.0
[INFO] [stderr]   Downloaded substrate-frame-rpc-system v3.0.0
[INFO] [stderr]   Downloaded frame-system-rpc-runtime-api v3.0.0
[INFO] [stderr]   Downloaded frame-system-benchmarking v3.0.0
[INFO] [stderr]   Downloaded frame-executive v3.0.0
[INFO] [stderr]   Downloaded pallet-balances v3.0.0
[INFO] [stderr]   Downloaded pallet-aura v3.0.0
[INFO] [stderr]   Downloaded kvdb v0.9.0
[INFO] [stderr]   Downloaded pallet-randomness-collective-flip v3.0.0
[INFO] [stderr]   Downloaded linregress v0.4.0
[INFO] [stderr]   Downloaded simba v0.1.5
[INFO] [stderr]   Downloaded sp-database v3.0.0
[INFO] [stderr]   Downloaded nalgebra v0.21.1
[INFO] [stderr]   Downloaded sc-keystore v3.0.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.69.0
[INFO] [stderr]   Downloaded sp-serializer v3.0.0
[INFO] [stderr]   Downloaded sc-consensus-uncles v0.9.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.9.0
[INFO] [stderr]   Downloaded sp-utils v3.0.0
[INFO] [stderr]   Downloaded sp-finality-grandpa v3.0.0
[INFO] [stderr]   Downloaded pallet-session v3.0.0
[INFO] [stderr]   Downloaded sc-cli v0.9.0
[INFO] [stderr]   Downloaded frame-benchmarking-cli v3.0.0
[INFO] [stderr]   Downloaded wasmparser v0.71.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.69.0
[INFO] [stderr]   Downloaded libp2p-core v0.27.1
[INFO] [stderr]   Downloaded wasmtime v0.22.0
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] [stderr]   Downloaded finality-grandpa v0.13.0
[INFO] [stderr]   Downloaded sc-finality-grandpa v0.9.0
[INFO] [stderr]   Downloaded sc-client-db v0.9.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.21.0
[INFO] [stderr]   Downloaded sc-network v0.9.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.69.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.27.0
[INFO] [stderr]   Downloaded sp-state-machine v0.9.0
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded secrecy v0.7.0
[INFO] [stderr]   Downloaded primitive-types v0.9.0
[INFO] [stderr]   Downloaded sp-tracing v3.0.0
[INFO] [stderr]   Downloaded sp-storage v3.0.0
[INFO] [stderr]   Downloaded pallet-grandpa v3.0.0
[INFO] [stderr]   Downloaded pallet-transaction-payment v3.0.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.27.2
[INFO] [stderr]   Downloaded parity-multiaddr v0.11.2
[INFO] [stderr]   Downloaded sp-version v3.0.0
[INFO] [stderr]   Downloaded frame-system v3.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded impl-codec v0.5.0
[INFO] [stderr]   Downloaded sp-externalities v0.9.0
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface v3.0.0
[INFO] [stderr]   Downloaded sp-debug-derive v3.0.0
[INFO] [stderr]   Downloaded sc-service v0.9.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.22.0
[INFO] [stderr]   Downloaded pallet-timestamp v3.0.0
[INFO] [stderr]   Downloaded sp-consensus-slots v0.9.0
[INFO] [stderr]   Downloaded sp-timestamp v3.0.0
[INFO] [stderr]   Downloaded libp2p-kad v0.28.1
[INFO] [stderr]   Downloaded tiny-bip39 v0.8.0
[INFO] [stderr]   Downloaded sp-offchain v3.0.0
[INFO] [stderr]   Downloaded sp-session v3.0.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.27.1
[INFO] [stderr]   Downloaded libp2p-identify v0.27.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.27.1
[INFO] [stderr]   Downloaded libp2p-plaintext v0.27.1
[INFO] [stderr]   Downloaded libp2p-pnet v0.20.0
[INFO] [stderr]   Downloaded minicbor v0.7.2
[INFO] [stderr]   Downloaded libp2p-request-response v0.9.1
[INFO] [stderr]   Downloaded if-watch v0.1.8
[INFO] [stderr]   Downloaded sp-application-crypto v3.0.0
[INFO] [stderr]   Downloaded sp-keystore v0.9.0
[INFO] [stderr]   Downloaded sp-panic-handler v3.0.0
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded parity-util-mem v0.9.0
[INFO] [stderr]   Downloaded sc-consensus-babe v0.9.0
[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

    Updating crates.io index
 Downloading crates ...
  Downloaded sp-std v3.0.0
  Downloaded sp-wasm-interface v3.0.0
  Downloaded sp-trie v3.0.0
  Downloaded parity-scale-codec-derive v2.0.1
  Downloaded pallet-sudo v3.0.0
  Downloaded substrate-frame-rpc-system v3.0.0
  Downloaded frame-system-rpc-runtime-api v3.0.0
  Downloaded frame-system-benchmarking v3.0.0
  Downloaded frame-executive v3.0.0
  Downloaded pallet-balances v3.0.0
  Downloaded pallet-aura v3.0.0
  Downloaded kvdb v0.9.0
  Downloaded pallet-randomness-collective-flip v3.0.0
  Downloaded linregress v0.4.0
  Downloaded simba v0.1.5
  Downloaded sp-database v3.0.0
  Downloaded nalgebra v0.21.1
  Downloaded sc-keystore v3.0.0
  Downloaded cranelift-bforest v0.69.0
  Downloaded sp-serializer v3.0.0
  Downloaded sc-consensus-uncles v0.9.0
  Downloaded kvdb-memorydb v0.9.0
  Downloaded sp-utils v3.0.0
  Downloaded sp-finality-grandpa v3.0.0
  Downloaded pallet-session v3.0.0
  Downloaded sc-cli v0.9.0
  Downloaded frame-benchmarking-cli v3.0.0
  Downloaded wasmparser v0.71.0
  Downloaded cranelift-codegen-meta v0.69.0
  Downloaded libp2p-core v0.27.1
  Downloaded wasmtime v0.22.0
  Downloaded handlebars v3.5.4
  Downloaded finality-grandpa v0.13.0
  Downloaded sc-finality-grandpa v0.9.0
  Downloaded sc-client-db v0.9.0
  Downloaded libp2p-core-derive v0.21.0
  Downloaded sc-network v0.9.0
  Downloaded cpp_demangle v0.3.2
  Downloaded cranelift-codegen v0.69.0
  Downloaded libp2p-gossipsub v0.27.0
  Downloaded sp-state-machine v0.9.0
  Downloaded sp-arithmetic v3.0.0
  Downloaded secrecy v0.7.0
  Downloaded primitive-types v0.9.0
  Downloaded sp-tracing v3.0.0
  Downloaded sp-storage v3.0.0
  Downloaded pallet-grandpa v3.0.0
  Downloaded pallet-transaction-payment v3.0.0
  Downloaded libp2p-swarm v0.27.2
  Downloaded parity-multiaddr v0.11.2
  Downloaded sp-version v3.0.0
  Downloaded frame-system v3.0.0
  Downloaded async-trait v0.1.48
  Downloaded impl-codec v0.5.0
  Downloaded sp-externalities v0.9.0
  Downloaded sp-runtime-interface-proc-macro v3.0.0
  Downloaded sp-runtime-interface v3.0.0
  Downloaded sp-debug-derive v3.0.0
  Downloaded sc-service v0.9.0
  Downloaded wasmtime-runtime v0.22.0
  Downloaded pallet-timestamp v3.0.0
  Downloaded sp-consensus-slots v0.9.0
  Downloaded sp-timestamp v3.0.0
  Downloaded libp2p-kad v0.28.1
  Downloaded tiny-bip39 v0.8.0
  Downloaded sp-offchain v3.0.0
  Downloaded sp-session v3.0.0
  Downloaded libp2p-deflate v0.27.1
  Downloaded libp2p-identify v0.27.0
  Downloaded libp2p-mplex v0.27.1
  Downloaded libp2p-plaintext v0.27.1
  Downloaded libp2p-pnet v0.20.0
  Downloaded minicbor v0.7.2
  Downloaded libp2p-request-response v0.9.1
  Downloaded if-watch v0.1.8
  Downloaded sp-application-crypto v3.0.0
  Downloaded sp-keystore v0.9.0
  Downloaded sp-panic-handler v3.0.0
  Downloaded memory-db v0.26.0
  Downloaded parity-util-mem v0.9.0
  Downloaded sc-consensus-babe v0.9.0
  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'