[INFO] fetching crate emulatorr 0.1.0-alpha...
[INFO] checking emulatorr-0.1.0-alpha against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] extracting crate emulatorr 0.1.0-alpha into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate emulatorr 0.1.0-alpha on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] finished tweaking crates.io crate emulatorr 0.1.0-alpha
[INFO] tweaked toml for crates.io crate emulatorr 0.1.0-alpha written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate emulatorr 0.1.0-alpha 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--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] error: no matching package named `thread` found
[INFO] [stderr] location searched: registry `crates-io`
[INFO] [stderr] required by package `emulatorr v0.1.0-alpha (/workspace/builds/worker-0-tc1/source)`
[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.