[INFO] cloning repository https://github.com/goblinoats/zkhack-elgamal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goblinoats/zkhack-elgamal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/goblinoats/zkhack-elgamal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goblinoats/zkhack-elgamal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f153b6220ce3a8710c86774cd60235d432cd2867
[INFO] checking goblinoats/zkhack-elgamal against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-2-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking goblinoats/zkhack-elgamal against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoblinoats%2Fzkhack-elgamal" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/goblinoats/zkhack-elgamal
[INFO] finished tweaking git repo https://github.com/goblinoats/zkhack-elgamal
[INFO] tweaked toml for git repo https://github.com/goblinoats/zkhack-elgamal written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goblinoats/zkhack-elgamal on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/goblinoats/zkhack-elgamal 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" "+8a0378607d6b34c242e3bfa75554871be641864b" "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 miden-air v0.5.0
[INFO] [stderr]   Downloaded winter-fri v0.6.1
[INFO] [stderr]   Downloaded winter-verifier v0.6.1
[INFO] [stderr]   Downloaded miden-prover v0.5.0
[INFO] [stderr]   Downloaded winter-utils v0.6.1
[INFO] [stderr]   Downloaded miden-core v0.5.0
[INFO] [stderr]   Downloaded winter-crypto v0.6.1
[INFO] [stderr]   Downloaded winter-math v0.6.1
[INFO] [stderr]   Downloaded winter-prover v0.6.1
[INFO] [stderr]   Downloaded miden-assembly v0.5.0
[INFO] [stderr]   Downloaded miden-crypto v0.2.0
[INFO] [stderr]   Downloaded miden-vm v0.5.0
[INFO] [stderr]   Downloaded miden-processor v0.5.0
[INFO] [stderr]   Downloaded miden-stdlib v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a3e94760d1417c1f08c78ac50d685214429f52cb598910f764ce76807a34bf
[INFO] running `Command { std: "docker" "start" "-a" "54a3e94760d1417c1f08c78ac50d685214429f52cb598910f764ce76807a34bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a3e94760d1417c1f08c78ac50d685214429f52cb598910f764ce76807a34bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a3e94760d1417c1f08c78ac50d685214429f52cb598910f764ce76807a34bf", kill_on_drop: false }`
[INFO] [stdout] 54a3e94760d1417c1f08c78ac50d685214429f52cb598910f764ce76807a34bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/0ce5b28f4df095fd7d1dc7565a031a8fbaf105a58fc6bb29878a6f15cafd9238-init/work: no space left on device