[INFO] fetching crate optimigation 0.1.0...
[INFO] testing optimigation-0.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate optimigation 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate optimigation 0.1.0
[INFO] finished tweaking crates.io crate optimigation 0.1.0
[INFO] tweaked toml for crates.io crate optimigation 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimigation 0.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optimigation 0.1.0 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded text-colorizer v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr] error: failed to unpack package `winapi v0.3.9`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `winapi-0.3.9/src/shared/usbspec.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/usbspec.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `winapi-0.3.9/src/shared/usbspec.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/usbspec.rs`
[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
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded atty v0.2.14
  Downloaded lazy_static v1.4.0
  Downloaded text-colorizer v1.0.0
  Downloaded hermit-abi v0.1.19
  Downloaded colored v2.0.0
  Downloaded cfg-if v1.0.0
  Downloaded itoa v1.0.1
  Downloaded rand_chacha v0.3.1
  Downloaded unicode-xid v0.2.2
  Downloaded wasi v0.10.2+wasi-snapshot-preview1
  Downloaded ppv-lite86 v0.2.16
  Downloaded quote v1.0.17
  Downloaded getrandom v0.2.6
  Downloaded rand_core v0.6.3
  Downloaded serde_derive v1.0.136
  Downloaded serde v1.0.136
  Downloaded rand v0.8.5
  Downloaded proc-macro2 v1.0.37
  Downloaded ryu v1.0.9
  Downloaded serde_json v1.0.79
  Downloaded syn v1.0.91
  Downloaded libc v0.2.122
  Downloaded winapi v0.3.9
error: failed to unpack package `winapi v0.3.9`

Caused by:
  failed to unpack entry at `winapi-0.3.9/src/shared/usbspec.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/usbspec.rs`

Caused by:
  failed to unpack `winapi-0.3.9/src/shared/usbspec.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-0.3.9/src/shared/usbspec.rs`

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