[INFO] fetching crate model 0.1.2...
[INFO] checking model-0.1.2 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] extracting crate model 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking model-0.1.2 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] extracting crate model 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking model-0.1.2 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] extracting crate model 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] checking model-0.1.2 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] extracting crate model 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate model 0.1.2 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate model 0.1.2
[INFO] finished tweaking crates.io crate model 0.1.2
[INFO] tweaked toml for crates.io crate model 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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 44 packages to latest compatible versions
[INFO] [stderr]       Adding proptest v0.8.7 (available: v1.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] [stderr] error: failed to unpack package `proptest v0.8.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `proptest-0.8.7/src/arbitrary/_core/iter.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-0.8.7/src/arbitrary/_core/iter.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `proptest-0.8.7/src/arbitrary/_core/iter.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-0.8.7/src/arbitrary/_core/iter.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking model-0.1.2 against try#86f78589b09557f70c9db3f56ad1921e0a9f76ef for pr-138438
[INFO] extracting crate model 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate model 0.1.2 on toolchain 86f78589b09557f70c9db3f56ad1921e0a9f76ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate model 0.1.2
[INFO] finished tweaking crates.io crate model 0.1.2
[INFO] tweaked toml for crates.io crate model 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+86f78589b09557f70c9db3f56ad1921e0a9f76ef" "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] error: failed to write /workspace/builds/worker-0-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Blocking waiting for file lock on package cache
    Updating crates.io index
error: failed to write /workspace/builds/worker-0-tc2/source/Cargo.lock

Caused by:
  No space left on device (os error 28)