[INFO] cloning repository https://github.com/grv07/p2p-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grv07/p2p-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrv07%2Fp2p-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrv07%2Fp2p-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80dbf10638a14beb906433619d48f190e2fa3a75
[INFO] checking grv07/p2p-poc against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrv07%2Fp2p-poc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grv07/p2p-poc
[INFO] finished tweaking git repo https://github.com/grv07/p2p-poc
[INFO] tweaked toml for git repo https://github.com/grv07/p2p-poc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grv07/p2p-poc on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grv07/p2p-poc 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to select a version for `libp2p`.
[INFO] [stderr]     ... required by package `p2p-recipes v0.1.0 (/workspace/builds/worker-7-tc1/source)`
[INFO] [stderr] versions that meet the requirements `^0.51` (locked to 0.51.0) are: 0.51.0
[INFO] [stderr] 
[INFO] [stderr] package `p2p-recipes` depends on `libp2p` with feature `tcp-tokio` but `libp2p` does not have that feature.
[INFO] [stderr] help: available features: async-std, autonat, dcutr, deflate, dns, ecdsa, floodsub, full, gossipsub, identify, kad, macros, mdns, metrics, mplex, noise, ping, plaintext, pnet, quic, relay, rendezvous, request-response, rsa, secp256k1, serde, tcp, tls, tokio, uds, wasm-bindgen, wasm-ext, wasm-ext-websocket, webrtc, websocket, yamux
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] failed to select a version for `libp2p` which could resolve this conflict


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
       error: failed to select a version for `libp2p`.
           ... required by package `p2p-recipes v0.1.0 (/workspace/builds/worker-7-tc1/source)`
       versions that meet the requirements `^0.51` (locked to 0.51.0) are: 0.51.0
       
       package `p2p-recipes` depends on `libp2p` with feature `tcp-tokio` but `libp2p` does not have that feature.
       help: available features: async-std, autonat, dcutr, deflate, dns, ecdsa, floodsub, full, gossipsub, identify, kad, macros, mdns, metrics, mplex, noise, ping, plaintext, pnet, quic, relay, rendezvous, request-response, rsa, secp256k1, serde, tcp, tls, tokio, uds, wasm-bindgen, wasm-ext, wasm-ext-websocket, webrtc, websocket, yamux
       
       
       failed to select a version for `libp2p` which could resolve this conflict