[INFO] cloning repository https://github.com/Floxter/exercises-1-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Floxter/exercises-1-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloxter%2Fexercises-1-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloxter%2Fexercises-1-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 177b2470faf2e352fdb62d5907fa1462a5729c85
[INFO] checking Floxter/exercises-1-2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFloxter%2Fexercises-1-2" "/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/Floxter/exercises-1-2 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/Floxter/exercises-1-2
[INFO] finished tweaking git repo https://github.com/Floxter/exercises-1-2
[INFO] tweaked toml for git repo https://github.com/Floxter/exercises-1-2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Floxter/exercises-1-2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-std v3.0.0
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded sp-runtime v3.0.0
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded sp-storage v3.0.0
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded futures-diagnose v1.0.1
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded sc-tracing v3.0.0
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded memory-db v0.26.0
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded sc-light v3.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded prometheus v0.11.0
[INFO] [stderr]   Downloaded tokio-named-pipes v0.1.0
[INFO] [stderr]   Downloaded ct-logs v0.7.0
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded sc-consensus-babe v0.9.0
[INFO] [stderr]   Downloaded directories v3.0.1
[INFO] [stderr]   Downloaded frame-benchmarking-cli v3.0.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded pallet-transaction-payment-rpc v3.0.0
[INFO] [stderr]   Downloaded sp-version v3.0.0
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded quick-error v2.0.0
[INFO] [stderr]   Downloaded derive_more v0.99.13
[INFO] [stderr]   Downloaded rpassword v5.0.1
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.69.0
[INFO] [stderr]   Downloaded wasmparser v0.71.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded more-asserts v0.2.1
[INFO] [stderr]   Downloaded wasmtime v0.22.0
[INFO] [stderr]   Downloaded frame-system v3.0.0
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.4.0
[INFO] [stderr]   Downloaded sp-arithmetic v3.0.0
[INFO] [stderr]   Downloaded cranelift-entity v0.69.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.69.0
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded wasm-gc-api v0.1.11
[INFO] [stderr]   Downloaded wasmtime-cache v0.22.0
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded pallet-sudo v3.0.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.69.0
[INFO] [stderr]   Downloaded sp-tasks v3.0.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded jsonrpc-core-client v15.1.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v15.1.0
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded frame-support-procedural v3.0.0
[INFO] [stderr]   Downloaded frame-support v3.0.0
[INFO] [stderr]   Downloaded sc-rpc-server v3.0.0
[INFO] [stderr]   Downloaded region v2.2.0
[INFO] [stderr]   Downloaded sc-client-api v3.0.0
[INFO] [stderr]   Downloaded jsonrpc-core v15.1.0
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded handlebars v3.5.4
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded build-helper v0.1.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded jsonrpc-ws-server v15.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.72
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded raw-cpuid v8.1.2
[INFO] [stderr]   Downloaded wast v35.0.1
[INFO] [stderr]   Downloaded sc-proposer-metrics v0.9.0
[INFO] [stderr]   Downloaded names v0.11.0
[INFO] [stderr]   Downloaded sp-database v3.0.0
[INFO] [stderr]   Downloaded sp-application-crypto v3.0.0
[INFO] [stderr]   Downloaded fdlimit v0.2.1
[INFO] [stderr]   Downloaded sp-consensus v0.9.0
[INFO] [stderr]   Downloaded sp-transaction-pool v3.0.0
[INFO] [stderr]   Downloaded sc-service v0.9.0
[INFO] [stderr]   Downloaded sc-transaction-pool v3.0.0
[INFO] [stderr]   Downloaded platforms v1.1.0
[INFO] [stderr]   Downloaded zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.3
[INFO] [stderr]   Downloaded wasmtime-debug v0.22.0
[INFO] [stderr]   Downloaded object v0.22.0
[INFO] [stderr]   Downloaded memoffset v0.6.2
[INFO] [stderr]   Downloaded sp-keystore v0.9.0
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded retain_mut v0.1.2
[INFO] [stderr]   Downloaded wasmtime-obj v0.22.0
[INFO] [stderr]   Downloaded scroll v0.10.2
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded sc-basic-authorship v0.9.0
[INFO] [stderr]   Downloaded signal-hook v0.3.7
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded sp-keyring v3.0.0
[INFO] [stderr]   Downloaded sc-cli v0.9.0
[INFO] [stderr]   Downloaded sc-consensus-aura v0.9.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded exit-future v0.2.0
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded sc-consensus-uncles v0.9.0
[INFO] [stderr]   Downloaded sc-consensus-epochs v0.9.0
[INFO] [stderr]   Downloaded sc-network-gossip v0.9.0
[INFO] [stderr]   Downloaded rocksdb v0.15.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.11.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] [stderr]   Downloaded memmap2 v0.2.1
[INFO] [stderr]   Downloaded sc-state-db v0.9.0
[INFO] [stderr]   Downloaded sc-informant v0.9.0
[INFO] [stderr]   Downloaded sc-network v0.9.0
[INFO] [stderr]   Downloaded sc-offchain v3.0.0
[INFO] [stderr]   Downloaded sc-keystore v3.0.0
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded sc-chain-spec-derive v3.0.0
[INFO] [stderr]   Downloaded sc-consensus-slots v0.9.0
[INFO] [stderr]   Downloaded sc-consensus v0.9.0
[INFO] [stderr]   Downloaded fs2 v0.4.3
[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.