[INFO] cloning repository https://github.com/yaa110/rubigo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaa110/rubigo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dd61a0405c1c95209a910ccac8109a7c2721149
[INFO] checking yaa110/rubigo against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaa110%2Frubigo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaa110/rubigo on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaa110/rubigo
[INFO] finished tweaking git repo https://github.com/yaa110/rubigo
[INFO] tweaked toml for git repo https://github.com/yaa110/rubigo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yaa110/rubigo 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.11.10
[INFO] [stderr]   Downloaded git2 v0.6.8
[INFO] [stderr]   Downloaded libgit2-sys v0.6.16
[INFO] [stderr] error: failed to unpack package `libgit2-sys v0.6.16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `libgit2-sys-0.6.16/libgit2/tests/resources/submod3/.gitted/modules/Five/objects/78/9efbdadaa4a582778d4584385495559ea0994b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libgit2-sys-0.6.16/libgit2/tests/resources/submod3/.gitted/modules/Five/objects/78/9efbdadaa4a582778d4584385495559ea0994b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `libgit2-sys-0.6.16/libgit2/tests/resources/submod3/.gitted/modules/Five/objects/78/9efbdadaa4a582778d4584385495559ea0994b` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libgit2-sys-0.6.16/libgit2/tests/resources/submod3/.gitted/modules/Five/objects/78/9efbdadaa4a582778d4584385495559ea0994b`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.