[INFO] fetching crate proptest-attr-macro 1.0.0...
[INFO] checking proptest-attr-macro-1.0.0 against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] extracting crate proptest-attr-macro 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate proptest-attr-macro 1.0.0 on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proptest-attr-macro 1.0.0
[INFO] finished tweaking crates.io crate proptest-attr-macro 1.0.0
[INFO] tweaked toml for crates.io crate proptest-attr-macro 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding proptest v0.9.6 (available: v1.6.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.100)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "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 `proptest v0.9.6`
[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 `proptest v0.9.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `proptest-0.9.6/src/arbitrary/_alloc/alloc.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-0.9.6/src/arbitrary/_alloc`
[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
    Blocking waiting for file lock on package cache
error: failed to download `proptest v0.9.6`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `proptest v0.9.6`

Caused by:
  failed to unpack entry at `proptest-0.9.6/src/arbitrary/_alloc/alloc.rs`

Caused by:
  failed to create `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-0.9.6/src/arbitrary/_alloc`

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