[INFO] cloning repository https://github.com/isaias-silva/buffy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaias-silva/buffy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-silva%2Fbuffy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-silva%2Fbuffy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 851bbbed53d4ac897e0ed16d68c66e469b56964f
[INFO] checking isaias-silva/buffy against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaias-silva%2Fbuffy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isaias-silva/buffy
[INFO] finished tweaking git repo https://github.com/isaias-silva/buffy
[INFO] tweaked toml for git repo https://github.com/isaias-silva/buffy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isaias-silva/buffy on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isaias-silva/buffy 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "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 regex v1.9.2
[INFO] [stderr] error: failed to unpack package `regex v1.9.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `regex-1.9.2/record/old-bench-log/05/tcl-vs-rust` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`
[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 ...
  Downloaded regex v1.9.2
error: failed to unpack package `regex v1.9.2`

Caused by:
  failed to unpack entry at `regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`

Caused by:
  failed to unpack `regex-1.9.2/record/old-bench-log/05/tcl-vs-rust` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.9.2/record/old-bench-log/05/tcl-vs-rust`

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