[INFO] cloning repository https://github.com/danielementary/merkle-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielementary/merkle-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielementary%2Fmerkle-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielementary%2Fmerkle-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 538b5efb826fe9ac5443edd35803235484077199
[INFO] checking danielementary/merkle-tree against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielementary%2Fmerkle-tree" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/danielementary/merkle-tree
[INFO] finished tweaking git repo https://github.com/danielementary/merkle-tree
[INFO] tweaked toml for git repo https://github.com/danielementary/merkle-tree written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielementary/merkle-tree on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielementary/merkle-tree 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07c1728e096ea4f7502c2f36234572c66ab3e87b4b854de9e5b4af4f149b781
[INFO] running `Command { std: "docker" "start" "-a" "a07c1728e096ea4f7502c2f36234572c66ab3e87b4b854de9e5b4af4f149b781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07c1728e096ea4f7502c2f36234572c66ab3e87b4b854de9e5b4af4f149b781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07c1728e096ea4f7502c2f36234572c66ab3e87b4b854de9e5b4af4f149b781", kill_on_drop: false }`
[INFO] [stdout] a07c1728e096ea4f7502c2f36234572c66ab3e87b4b854de9e5b4af4f149b781


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/20979f9f2516e62618f3efbe54ec5d90b6746d74613ffabbca593966df747f3e/merged: no space left on device