[INFO] cloning repository https://github.com/eugenesvk/helpFuturesSignals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eugenesvk/helpFuturesSignals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78b11808fa4d2874fad5e1b0e5c274b59b1efb0d
[INFO] checking eugenesvk/helpFuturesSignals against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eugenesvk/helpFuturesSignals on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eugenesvk/helpFuturesSignals
[INFO] finished tweaking git repo https://github.com/eugenesvk/helpFuturesSignals
[INFO] tweaked toml for git repo https://github.com/eugenesvk/helpFuturesSignals written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eugenesvk/helpFuturesSignals 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/070a4d857ab7daeb1bacd352795100cbc9296ce7a34856f0e91032513514ac88-init: no space left on device
[INFO] checking eugenesvk/helpFuturesSignals against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] error: unable to write symref for HEAD: No space left on device
[INFO] checking eugenesvk/helpFuturesSignals against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] error: failed to write new configuration file /workspace/builds/worker-0-tc2/source/.git/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[INFO] checking eugenesvk/helpFuturesSignals against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/description' to '/workspace/builds/worker-0-tc2/source/.git/description': No space left on device
[INFO] checking eugenesvk/helpFuturesSignals against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feugenesvk%2FhelpFuturesSignals" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-0-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD


failed to checkout https://github.com/eugenesvk/helpFuturesSignals

Caused by:
    command failed: exit status: 128