[INFO] fetching crate b2c2-compiler-common 0.1.4...
[INFO] checking b2c2-compiler-common-0.1.4 against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] extracting crate b2c2-compiler-common 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate b2c2-compiler-common 0.1.4 on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2c2-compiler-common 0.1.4
[INFO] finished tweaking crates.io crate b2c2-compiler-common 0.1.4
[INFO] tweaked toml for crates.io crate b2c2-compiler-common 0.1.4 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "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 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "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 `b2c2-casl2 v0.1.4`
[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 `b2c2-casl2 v0.1.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `b2c2-casl2-0.1.4/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/b2c2-casl2-0.1.4/.cargo_vcs_info.json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `b2c2-casl2-0.1.4/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/b2c2-casl2-0.1.4/.cargo_vcs_info.json`
[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 `b2c2-casl2 v0.1.4`

Caused by:
  unable to get packages from source

Caused by:
  failed to unpack package `b2c2-casl2 v0.1.4`

Caused by:
  failed to unpack entry at `b2c2-casl2-0.1.4/.cargo_vcs_info.json`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/b2c2-casl2-0.1.4/.cargo_vcs_info.json`

Caused by:
  failed to unpack `b2c2-casl2-0.1.4/.cargo_vcs_info.json` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/b2c2-casl2-0.1.4/.cargo_vcs_info.json`

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