[INFO] fetching crate serde-map-to-array 3.0.0...
[INFO] checking serde-map-to-array-3.0.0 against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] extracting crate serde-map-to-array 3.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde-map-to-array 3.0.0
[INFO] finished tweaking crates.io crate serde-map-to-array 3.0.0
[INFO] tweaked toml for crates.io crate serde-map-to-array 3.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-map-to-array 3.0.0 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 serde-map-to-array 3.0.0 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 953bd08e653059791458459519ce933caace4cf03cac701c5be1086cfe2ab7dd
[INFO] running `Command { std: "docker" "start" "-a" "953bd08e653059791458459519ce933caace4cf03cac701c5be1086cfe2ab7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953bd08e653059791458459519ce933caace4cf03cac701c5be1086cfe2ab7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953bd08e653059791458459519ce933caace4cf03cac701c5be1086cfe2ab7dd", kill_on_drop: false }`
[INFO] [stdout] 953bd08e653059791458459519ce933caace4cf03cac701c5be1086cfe2ab7dd
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190
[INFO] running `Command { std: "docker" "start" "-a" "e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190", 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: unable to apply cgroup configuration: unable to start unit "docker-e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190.scope" (properties [{Name:Description Value:"libcontainer container e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [839989]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190", kill_on_drop: false }`
[INFO] [stdout] e2f743630451924b9c841492429ff69ba33b4b7617db66d419c010d71bb81190