[INFO] fetching crate into_variant_macro 0.3.0...
[INFO] checking into_variant_macro-0.3.0 against master#cccf075eba88363269e8589ebb8d40874cc542d8 for pr-142681
[INFO] extracting crate into_variant_macro 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate into_variant_macro 0.3.0
[INFO] finished tweaking crates.io crate into_variant_macro 0.3.0
[INFO] tweaked toml for crates.io crate into_variant_macro 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate into_variant_macro 0.3.0 on toolchain cccf075eba88363269e8589ebb8d40874cc542d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+cccf075eba88363269e8589ebb8d40874cc542d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07a091fccf4b44159ef8c023ee73c8fe86cffc2def5fc68e361e1cdc20d2827
[INFO] running `Command { std: "docker" "start" "-a" "a07a091fccf4b44159ef8c023ee73c8fe86cffc2def5fc68e361e1cdc20d2827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07a091fccf4b44159ef8c023ee73c8fe86cffc2def5fc68e361e1cdc20d2827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07a091fccf4b44159ef8c023ee73c8fe86cffc2def5fc68e361e1cdc20d2827", kill_on_drop: false }`
[INFO] [stdout] a07a091fccf4b44159ef8c023ee73c8fe86cffc2def5fc68e361e1cdc20d2827


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/76d2ad7edc6f1fdf8d42d940f3c73a43e56b6d06372b4a099be79899a2cec4a3/merged: no space left on device