[INFO] fetching crate air-testing-framework 0.11.3...
[INFO] checking air-testing-framework-0.11.3 against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] extracting crate air-testing-framework 0.11.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate air-testing-framework 0.11.3
[INFO] finished tweaking crates.io crate air-testing-framework 0.11.3
[INFO] tweaked toml for crates.io crate air-testing-framework 0.11.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate air-testing-framework 0.11.3 on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "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 551 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding multihash-codetable v0.1.1 (available: v0.1.4)
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] [stderr]       Adding nom_locate v4.2.0 (available: v5.0.0)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (available: v1.3.1)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds


no output for 300 seconds