[INFO] fetching crate stm32-device-signature 0.3.1...
[INFO] checking stm32-device-signature-0.3.1 against beta for pr-78714
[INFO] extracting crate stm32-device-signature 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stm32-device-signature 0.3.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32-device-signature 0.3.1
[INFO] finished tweaking crates.io crate stm32-device-signature 0.3.1
[INFO] tweaked toml for crates.io crate stm32-device-signature 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd3a9280a7bd5a7e29401f4285562ef038e37cd58cd9689cd9d7fff7ebf64e46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dd3a9280a7bd5a7e29401f4285562ef038e37cd58cd9689cd9d7fff7ebf64e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd3a9280a7bd5a7e29401f4285562ef038e37cd58cd9689cd9d7fff7ebf64e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3a9280a7bd5a7e29401f4285562ef038e37cd58cd9689cd9d7fff7ebf64e46", kill_on_drop: false }`
[INFO] [stdout] dd3a9280a7bd5a7e29401f4285562ef038e37cd58cd9689cd9d7fff7ebf64e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6530a86ca744ac00194fa1d9c660b83b13722b9dd15f276e8b34e67b6a6ca0d0
[INFO] running `Command { std: "docker" "start" "-a" "6530a86ca744ac00194fa1d9c660b83b13722b9dd15f276e8b34e67b6a6ca0d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32-device-signature v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `stm32-device-signature v0.3.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/stm32-device-signature-3387c4c3a4e9549f/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   No family features selected
[INFO] running `Command { std: "docker" "inspect" "6530a86ca744ac00194fa1d9c660b83b13722b9dd15f276e8b34e67b6a6ca0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6530a86ca744ac00194fa1d9c660b83b13722b9dd15f276e8b34e67b6a6ca0d0", kill_on_drop: false }`
[INFO] [stdout] 6530a86ca744ac00194fa1d9c660b83b13722b9dd15f276e8b34e67b6a6ca0d0