[INFO] fetching crate arcen 0.1.0...
[INFO] checking arcen-0.1.0 against try#d8a5ee01b913730aca7ab44c72c8f2722c0533ff for pr-139022
[INFO] extracting crate arcen 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate arcen 0.1.0 on toolchain d8a5ee01b913730aca7ab44c72c8f2722c0533ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcen 0.1.0
[INFO] finished tweaking crates.io crate arcen 0.1.0
[INFO] tweaked toml for crates.io crate arcen 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d936c0ef210aca7f761b8536a86f087ec44df66e00823b206e1f5cc8e1c354cb
[INFO] running `Command { std: "docker" "start" "-a" "d936c0ef210aca7f761b8536a86f087ec44df66e00823b206e1f5cc8e1c354cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d936c0ef210aca7f761b8536a86f087ec44df66e00823b206e1f5cc8e1c354cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d936c0ef210aca7f761b8536a86f087ec44df66e00823b206e1f5cc8e1c354cb", kill_on_drop: false }`
[INFO] [stdout] d936c0ef210aca7f761b8536a86f087ec44df66e00823b206e1f5cc8e1c354cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+d8a5ee01b913730aca7ab44c72c8f2722c0533ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6ab6c0059b42c666ea37b15b80e12ad0bb900e9b3c7e68c5cbb888e56bc07a1
[INFO] running `Command { std: "docker" "start" "-a" "d6ab6c0059b42c666ea37b15b80e12ad0bb900e9b3c7e68c5cbb888e56bc07a1", 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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/4df10a00af93cf924a17ea3648c3ace62ee5959577ae620ea3fcd392b9a4cd00/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "d6ab6c0059b42c666ea37b15b80e12ad0bb900e9b3c7e68c5cbb888e56bc07a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ab6c0059b42c666ea37b15b80e12ad0bb900e9b3c7e68c5cbb888e56bc07a1", kill_on_drop: false }`
[INFO] [stdout] d6ab6c0059b42c666ea37b15b80e12ad0bb900e9b3c7e68c5cbb888e56bc07a1