[INFO] fetching crate mwc-libp2p-swarm 0.27.1...
[INFO] checking mwc-libp2p-swarm-0.27.1 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate mwc-libp2p-swarm 0.27.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mwc-libp2p-swarm 0.27.1 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mwc-libp2p-swarm 0.27.1
[INFO] finished tweaking crates.io crate mwc-libp2p-swarm 0.27.1
[INFO] tweaked toml for crates.io crate mwc-libp2p-swarm 0.27.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--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]      Locking 200 packages to latest compatible versions
[INFO] [stderr]       Adding quickcheck v0.9.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding zeroize v1.3.0 (available: v1.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to download `mwc-libp2p-core v0.27.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `mwc-libp2p-core v0.27.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `mwc-libp2p-core-0.27.3/src/connection/manager.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mwc-libp2p-core-0.27.3/src/connection/manager.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `mwc-libp2p-core-0.27.3/src/connection/manager.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mwc-libp2p-core-0.27.3/src/connection/manager.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unexpected end of file


ExecutionFailed(ExitStatus(unix_wait_status(25856)))