[INFO] fetching crate fast-rustc-ap-rustc_ast_pretty 1.0.0...
[INFO] checking fast-rustc-ap-rustc_ast_pretty-1.0.0 against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] extracting crate fast-rustc-ap-rustc_ast_pretty 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fast-rustc-ap-rustc_ast_pretty 1.0.0 on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-rustc-ap-rustc_ast_pretty 1.0.0
[INFO] finished tweaking crates.io crate fast-rustc-ap-rustc_ast_pretty 1.0.0
[INFO] tweaked toml for crates.io crate fast-rustc-ap-rustc_ast_pretty 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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 56 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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] error: failed to download `rustc-rayon-core v0.3.2`
[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 `rustc-rayon-core v0.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `rustc-rayon-core-0.3.2/LICENSE-MIT`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-rayon-core-0.3.2/LICENSE-MIT`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `rustc-rayon-core-0.3.2/LICENSE-MIT` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-rayon-core-0.3.2/LICENSE-MIT`
[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
 Downloading crates ...
error: failed to download `rustc-rayon-core v0.3.2`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `rustc-rayon-core v0.3.2`

Caused by:
  failed to unpack entry at `rustc-rayon-core-0.3.2/LICENSE-MIT`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-rayon-core-0.3.2/LICENSE-MIT`

Caused by:
  failed to unpack `rustc-rayon-core-0.3.2/LICENSE-MIT` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-rayon-core-0.3.2/LICENSE-MIT`

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