[INFO] cloning repository https://github.com/coral/rustchord
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coral/rustchord" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoral%2Frustchord", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoral%2Frustchord'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3da6f682e70172b23dfb25b1a9c79603c053cfca
[INFO] checking coral/rustchord against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoral%2Frustchord" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coral/rustchord
[INFO] finished tweaking git repo https://github.com/coral/rustchord
[INFO] tweaked toml for git repo https://github.com/coral/rustchord written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coral/rustchord on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coral/rustchord 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "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 phf_macros v0.9.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.41.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.41.0
[INFO] [stderr]   Downloaded piston v0.53.1
[INFO] [stderr]   Downloaded palette_derive v0.6.0
[INFO] [stderr]   Downloaded piston_window v0.121.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.74.0
[INFO] [stderr]   Downloaded palette v0.6.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr] error: failed to unpack package `nix v0.20.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `nix-0.20.2/CONTRIBUTING.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.2/CONTRIBUTING.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `nix-0.20.2/CONTRIBUTING.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.2/CONTRIBUTING.md`
[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 phf_macros v0.9.0
  Downloaded piston2d-graphics v0.41.0
  Downloaded piston-gfx_texture v0.41.0
  Downloaded piston v0.53.1
  Downloaded palette_derive v0.6.0
  Downloaded piston_window v0.121.0
  Downloaded piston2d-gfx_graphics v0.74.0
  Downloaded palette v0.6.0
  Downloaded nix v0.20.2
error: failed to unpack package `nix v0.20.2`

Caused by:
  failed to unpack entry at `nix-0.20.2/CONTRIBUTING.md`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.2/CONTRIBUTING.md`

Caused by:
  failed to unpack `nix-0.20.2/CONTRIBUTING.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.20.2/CONTRIBUTING.md`

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