[INFO] cloning repository https://github.com/unconst/dtwitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unconst/dtwitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funconst%2Fdtwitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funconst%2Fdtwitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2303ffa520ce40b2f98ae439469c1986c6a1d0a6
[INFO] checking unconst/dtwitter against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funconst%2Fdtwitter" "/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/unconst/dtwitter on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unconst/dtwitter
[INFO] finished tweaking git repo https://github.com/unconst/dtwitter
[INFO] tweaked toml for git repo https://github.com/unconst/dtwitter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/unconst/dtwitter 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded arrayvec v0.7.0
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.1.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded trie-db v0.22.3
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded parity-scale-codec v2.1.1
[INFO] [stderr]   Downloaded jsonrpc-derive v15.1.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.30.2
[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded kvdb v0.9.0
[INFO] [stderr]   Downloaded futures-macro v0.3.15
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded jsonrpc-core-client v15.1.0
[INFO] [stderr]   Downloaded wat v1.0.37
[INFO] [stderr]   Downloaded chacha20poly1305 v0.6.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.10
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.29.0
[INFO] [stderr]   Downloaded libp2p-dns v0.28.1
[INFO] [stderr]   Downloaded libp2p-deflate v0.28.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.3
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.29.0
[INFO] [stderr]   Downloaded async-std-resolver v0.20.3
[INFO] [stderr]   Downloaded statrs v0.13.0
[INFO] [stderr]   Downloaded libp2p-identify v0.29.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.1
[INFO] [stderr]   Downloaded cranelift-wasm v0.71.0
[INFO] [stderr]   Downloaded rocksdb v0.16.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.30.1
[INFO] [stderr]   Downloaded finality-grandpa v0.14.0
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded handlebars v3.5.5
[INFO] [stderr]   Downloaded bindgen v0.57.0
[INFO] [stderr]   Downloaded nalgebra v0.25.4
[INFO] [stderr]   Downloaded regalloc v0.0.31
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.71.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.3
[INFO] [stderr]   Downloaded cpp_demangle v0.3.2
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded wasmparser v0.76.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.24.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded parity-db v0.2.3
[INFO] [stderr] error: failed to parse manifest at `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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'
[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.