[INFO] fetching crate isoflux-core 0.1.0-alpha.1...
[INFO] checking isoflux-core-0.1.0-alpha.1 against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] extracting crate isoflux-core 0.1.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate isoflux-core 0.1.0-alpha.1 on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isoflux-core 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate isoflux-core 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate isoflux-core 0.1.0-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa6f8c3d965614e6b0294fe470aaa83fd83f6e81a5475f70534fb66f9518f9b
[INFO] running `Command { std: "docker" "start" "-a" "afa6f8c3d965614e6b0294fe470aaa83fd83f6e81a5475f70534fb66f9518f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa6f8c3d965614e6b0294fe470aaa83fd83f6e81a5475f70534fb66f9518f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa6f8c3d965614e6b0294fe470aaa83fd83f6e81a5475f70534fb66f9518f9b", kill_on_drop: false }`
[INFO] [stdout] afa6f8c3d965614e6b0294fe470aaa83fd83f6e81a5475f70534fb66f9518f9b


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/30fc92912f6a79b3d99ed1837c363e2046cc692fbfa65697f6a676c042fbd5d2/merged: no space left on device