[INFO] fetching crate dnscore 0.1.0...
[INFO] checking dnscore-0.1.0 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate dnscore 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dnscore 0.1.0 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dnscore 0.1.0
[INFO] finished tweaking crates.io crate dnscore 0.1.0
[INFO] tweaked toml for crates.io crate dnscore 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate dnscore 0.1.0 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2eb372b7d171d14d752f724f8754dc58e68e7e33637605f2250bec3d7822b5d
[INFO] running `Command { std: "docker" "start" "-a" "d2eb372b7d171d14d752f724f8754dc58e68e7e33637605f2250bec3d7822b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2eb372b7d171d14d752f724f8754dc58e68e7e33637605f2250bec3d7822b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2eb372b7d171d14d752f724f8754dc58e68e7e33637605f2250bec3d7822b5d", kill_on_drop: false }`
[INFO] [stdout] d2eb372b7d171d14d752f724f8754dc58e68e7e33637605f2250bec3d7822b5d
[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_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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063c320af06b1c7e051cb7c16e868f608361ae4976a08f5c7341e8345a6b61c2
[INFO] running `Command { std: "docker" "start" "-a" "063c320af06b1c7e051cb7c16e868f608361ae4976a08f5c7341e8345a6b61c2", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/9253593fba865a60797912774115a5a37769d649f6626735bc0d720f0b25e62a/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "063c320af06b1c7e051cb7c16e868f608361ae4976a08f5c7341e8345a6b61c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063c320af06b1c7e051cb7c16e868f608361ae4976a08f5c7341e8345a6b61c2", kill_on_drop: false }`
[INFO] [stdout] 063c320af06b1c7e051cb7c16e868f608361ae4976a08f5c7341e8345a6b61c2