[INFO] cloning repository https://github.com/fubarnetes/calldown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fubarnetes/calldown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffubarnetes%2Fcalldown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffubarnetes%2Fcalldown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cce63b9aeffe1344d4a40c1e5c955aa6b6bcee3
[INFO] checking fubarnetes/calldown against master#96df4943409564a187894018f15f795426dc2e1f for pr-118968
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffubarnetes%2Fcalldown" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fubarnetes/calldown on toolchain 96df4943409564a187894018f15f795426dc2e1f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96df4943409564a187894018f15f795426dc2e1f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fubarnetes/calldown
[INFO] finished tweaking git repo https://github.com/fubarnetes/calldown
[INFO] tweaked toml for git repo https://github.com/fubarnetes/calldown written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fubarnetes/calldown 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" "+96df4943409564a187894018f15f795426dc2e1f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded backtrace-sys v0.1.19
[INFO] [stderr] error: failed to download replaced source registry `crates-io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `backtrace-sys v0.1.19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `backtrace-sys-0.1.19/src/libbacktrace/configure`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/backtrace-sys-0.1.19/src/libbacktrace/configure`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `backtrace-sys-0.1.19/src/libbacktrace/configure` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/backtrace-sys-0.1.19/src/libbacktrace/configure`
[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.