[INFO] cloning repository https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froman-karpovich%2Frust-cloudwatch-ebs-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froman-karpovich%2Frust-cloudwatch-ebs-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e9f5a44cca43ccb03a311ce95b24beb82158fb3
[INFO] testing roman-karpovich/rust-cloudwatch-ebs-exporter against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froman-karpovich%2Frust-cloudwatch-ebs-exporter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter
[INFO] finished tweaking git repo https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter
[INFO] tweaked toml for git repo https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/roman-karpovich/rust-cloudwatch-ebs-exporter 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws_volume_limit_calculator v0.1.1
[INFO] [stderr]   Downloaded prometheus_exporter v0.8.5
[INFO] [stderr]   Downloaded tiny_http v0.10.0
[INFO] [stderr]   Downloaded rusoto_cloudwatch v0.48.0
[INFO] [stderr]   Downloaded rusoto_rds v0.48.0
[INFO] [stderr] error: 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.
