[INFO] fetching crate enum-ref-macro 0.1.0...
[INFO] checking enum-ref-macro-0.1.0 against try#a75eafceea413a1b40c0e0769db85e08ec17160b for pr-133925
[INFO] extracting crate enum-ref-macro 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate enum-ref-macro 0.1.0 on toolchain a75eafceea413a1b40c0e0769db85e08ec17160b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-ref-macro 0.1.0
[INFO] finished tweaking crates.io crate enum-ref-macro 0.1.0
[INFO] tweaked toml for crates.io crate enum-ref-macro 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd2b554615cd6c1cfb208a03ad59aa9db472d8f6f1b1c4cb95bf5764c82d1d8d
[INFO] running `Command { std: "docker" "start" "-a" "bd2b554615cd6c1cfb208a03ad59aa9db472d8f6f1b1c4cb95bf5764c82d1d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd2b554615cd6c1cfb208a03ad59aa9db472d8f6f1b1c4cb95bf5764c82d1d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2b554615cd6c1cfb208a03ad59aa9db472d8f6f1b1c4cb95bf5764c82d1d8d", kill_on_drop: false }`
[INFO] [stdout] bd2b554615cd6c1cfb208a03ad59aa9db472d8f6f1b1c4cb95bf5764c82d1d8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a75eafceea413a1b40c0e0769db85e08ec17160b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d76f3a46ccc796301ec85eb7a97d3faad235a3fa1be0c95070f60adae5d02a
[INFO] running `Command { std: "docker" "start" "-a" "e7d76f3a46ccc796301ec85eb7a97d3faad235a3fa1be0c95070f60adae5d02a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/rustup-home" to rootfs at "/opt/rustwide/rustup-home": mkdir /var/lib/docker/overlay2/a3d4e7b9d7ecaa96abd61605256ef0b2a28f6b2e444ca5896a4cf2bfb3da3121/merged/opt/rustwide/rustup-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "e7d76f3a46ccc796301ec85eb7a97d3faad235a3fa1be0c95070f60adae5d02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d76f3a46ccc796301ec85eb7a97d3faad235a3fa1be0c95070f60adae5d02a", kill_on_drop: false }`
[INFO] [stdout] e7d76f3a46ccc796301ec85eb7a97d3faad235a3fa1be0c95070f60adae5d02a