[INFO] fetching crate tw_merge_variants 0.1.6...
[INFO] checking tw_merge_variants-0.1.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate tw_merge_variants 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tw_merge_variants 0.1.6
[INFO] finished tweaking crates.io crate tw_merge_variants 0.1.6
[INFO] tweaked toml for crates.io crate tw_merge_variants 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tw_merge_variants 0.1.6 on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tw_merge_variants 0.1.6 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/0e337d1ffca6473dc75d8e0d86a6a0910b90af103653ceee911a52e3b1277125-init/diff: no space left on device
[INFO] checking tw_merge_variants-0.1.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate tw_merge_variants 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tw_merge_variants 0.1.6
[INFO] finished tweaking crates.io crate tw_merge_variants 0.1.6
[INFO] tweaked toml for crates.io crate tw_merge_variants 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tw_merge_variants 0.1.6 on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tw_merge_variants 0.1.6 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/02b6a37959d27f4c191555a34577ed6567071553a9ecb22ec85014ac421ad092/diff: no space left on device
[INFO] checking tw_merge_variants-0.1.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate tw_merge_variants 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] checking tw_merge_variants-0.1.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate tw_merge_variants 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] checking tw_merge_variants-0.1.6 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate tw_merge_variants 0.1.6 into /workspace/builds/worker-7-tc2/source


unable to download tw_merge_variants version 0.1.6

Caused by:
    0: failed to unpack `tw_merge_variants-0.1.6/src/class_macro.rs` into `/workspace/builds/worker-7-tc2/source/src/class_macro.rs`
    1: No space left on device (os error 28)