[INFO] fetching crate tokio-simplified 0.2.2...
[INFO] testing tokio-simplified-0.2.2 against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] extracting crate tokio-simplified 0.2.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate tokio-simplified 0.2.2
[INFO] finished tweaking crates.io crate tokio-simplified 0.2.2
[INFO] tweaked toml for crates.io crate tokio-simplified 0.2.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-simplified 0.2.2 on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-simplified 0.2.2 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" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/fu/tu/futures-promises, error: No space left on device (os error 28)
[INFO] [stderr] error: failed to select a version for the requirement `tokio-threadpool = "^0.1.14"` (locked to 0.1.14)
[INFO] [stderr] candidate versions found which didn't match: 0.1.10, 0.1.9, 0.1.8, ...
[INFO] [stderr] location searched: crates.io index
[INFO] [stderr] required by package `tokio v0.1.20`
[INFO] [stderr]     ... which satisfies dependency `tokio = "^0.1.19"` (locked to 0.1.20) of package `tokio-simplified v0.2.2 (/workspace/builds/worker-7-tc1/source)`


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/fu/tu/futures-promises, error: No space left on device (os error 28)
error: failed to select a version for the requirement `tokio-threadpool = "^0.1.14"` (locked to 0.1.14)
candidate versions found which didn't match: 0.1.10, 0.1.9, 0.1.8, ...
location searched: crates.io index
required by package `tokio v0.1.20`
    ... which satisfies dependency `tokio = "^0.1.19"` (locked to 0.1.20) of package `tokio-simplified v0.2.2 (/workspace/builds/worker-7-tc1/source)`