[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#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandropixels%2Fexercise4" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[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-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andropixels/exercise4 on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "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 tracing-core v0.1.17
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded impl-codec v0.5.0
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded sp-consensus-aura v0.9.0
[INFO] [stderr]   Downloaded sp-block-builder v3.0.0
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded scroll_derive v0.10.5
[INFO] [stderr]   Downloaded ipnet v2.3.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.1
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded cpuid-bool v0.2.0
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.4.0
[INFO] [stderr]   Downloaded sc-consensus v0.9.0
[INFO] [stderr]   Downloaded hyper-rustls v0.21.0
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded sc-light v3.0.0
[INFO] [stderr]   Downloaded sc-informant v0.9.0
[INFO] [stderr]   Downloaded rustls v0.18.1
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded wasmtime v0.22.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.27.0
[INFO] [stderr]   Downloaded parity-ws v0.10.0
[INFO] [stderr]   Downloaded substrate-prometheus-endpoint v0.9.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.27.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v15.1.0
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded h2 v0.2.7
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded snow v0.7.2
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded sp-storage v3.0.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.28.1
[INFO] [stderr]   Downloaded wast v35.0.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded prometheus v0.11.0
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded asn1_der v0.6.3
[INFO] [stderr]   Downloaded minicbor v0.7.2
[INFO] [stderr]   Downloaded names v0.11.0
[INFO] [stderr]   Downloaded nb-connect v1.1.0
[INFO] [stderr]   Downloaded aes-soft v0.5.0
[INFO] [stderr]   Downloaded libp2p-kad v0.28.1
[INFO] [stderr]   Downloaded libp2p-request-response v0.9.1
[INFO] [stderr]   Downloaded libp2p-core v0.27.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.69.0
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded sp-state-machine v0.9.0
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded librocksdb-sys v6.11.4
[INFO] [stderr]   Downloaded libp2p-tcp v0.27.1
[INFO] [stderr]   Downloaded aesni v0.8.0
[INFO] [stderr]   Downloaded aes v0.5.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v15.1.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded async-process v1.0.2
[INFO] [stderr]   Downloaded wat v1.0.36
[INFO] [stderr]   Downloaded jsonrpc-client-transports v15.1.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v15.1.0
[INFO] [stderr]   Downloaded sp-application-crypto v3.0.0
[INFO] [stderr]   Downloaded sp-consensus v0.9.0
[INFO] [stderr]   Downloaded kvdb v0.9.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v15.1.0
[INFO] [stderr]   Downloaded fastrand v1.4.0
[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 tracing-core v0.1.17
  Downloaded pin-project-lite v0.2.6
  Downloaded anyhow v1.0.40
  Downloaded futures-task v0.3.13
  Downloaded impl-codec v0.5.0
  Downloaded futures-core v0.3.13
  Downloaded futures-io v0.3.13
  Downloaded sp-consensus-aura v0.9.0
  Downloaded sp-block-builder v3.0.0
  Downloaded polling v2.0.3
  Downloaded socket2 v0.4.0
  Downloaded scroll_derive v0.10.5
  Downloaded ipnet v2.3.0
  Downloaded tokio-fs v0.1.7
  Downloaded which v3.1.1
  Downloaded cargo-platform v0.1.1
  Downloaded ghash v0.3.1
  Downloaded cpuid-bool v0.2.0
  Downloaded zstd v0.5.4+zstd.1.4.7
  Downloaded parity-tokio-ipc v0.4.0
  Downloaded sc-consensus v0.9.0
  Downloaded hyper-rustls v0.21.0
  Downloaded prost v0.7.0
  Downloaded prost-types v0.7.0
  Downloaded sc-light v3.0.0
  Downloaded sc-informant v0.9.0
  Downloaded rustls v0.18.1
  Downloaded pin-project v0.4.27
  Downloaded mio-uds v0.6.8
  Downloaded futures-lite v1.11.3
  Downloaded wasmtime v0.22.0
  Downloaded libp2p-floodsub v0.27.0
  Downloaded parity-ws v0.10.0
  Downloaded substrate-prometheus-endpoint v0.9.0
  Downloaded libp2p-gossipsub v0.27.0
  Downloaded jsonrpc-pubsub v15.1.0
  Downloaded hyper v0.13.10
  Downloaded h2 v0.2.7
  Downloaded trie-db v0.22.3
  Downloaded snow v0.7.2
  Downloaded web-sys v0.3.49
  Downloaded tokio v0.2.25
  Downloaded sp-storage v3.0.0
  Downloaded libp2p-mdns v0.28.1
  Downloaded wast v35.0.1
  Downloaded unicode-segmentation v1.7.1
  Downloaded async-std v1.9.0
  Downloaded prometheus v0.11.0
  Downloaded sha-1 v0.9.4
  Downloaded asn1_der v0.6.3
  Downloaded minicbor v0.7.2
  Downloaded names v0.11.0
  Downloaded nb-connect v1.1.0
  Downloaded aes-soft v0.5.0
  Downloaded libp2p-kad v0.28.1
  Downloaded libp2p-request-response v0.9.1
  Downloaded libp2p-core v0.27.1
  Downloaded cranelift-codegen v0.69.0
  Downloaded pdqselect v0.1.0
  Downloaded async-executor v1.4.0
  Downloaded async-lock v2.3.0
  Downloaded sp-state-machine v0.9.0
  Downloaded webpki-roots v0.21.0
  Downloaded librocksdb-sys v6.11.4
  Downloaded libp2p-tcp v0.27.1
  Downloaded aesni v0.8.0
  Downloaded aes v0.5.0
  Downloaded jsonrpc-ws-server v15.1.0
  Downloaded leb128 v0.2.4
  Downloaded async-process v1.0.2
  Downloaded wat v1.0.36
  Downloaded jsonrpc-client-transports v15.1.0
  Downloaded jsonrpc-core-client v15.1.0
  Downloaded sp-application-crypto v3.0.0
  Downloaded sp-consensus v0.9.0
  Downloaded kvdb v0.9.0
  Downloaded prost-build v0.7.0
  Downloaded jsonrpc-ipc-server v15.1.0
  Downloaded fastrand v1.4.0
  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'