[INFO] fetching crate xu4-hal 0.2.3...
[INFO] checking xu4-hal-0.2.3 against beta for pr-78714
[INFO] extracting crate xu4-hal 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xu4-hal 0.2.3 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 xu4-hal 0.2.3
[INFO] finished tweaking crates.io crate xu4-hal 0.2.3
[INFO] tweaked toml for crates.io crate xu4-hal 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate xu4-hal 0.2.3 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f02511588dccaa9ce98121c5afe79e670b7cf69028de0e4470878a1008d0349
[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" "9f02511588dccaa9ce98121c5afe79e670b7cf69028de0e4470878a1008d0349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f02511588dccaa9ce98121c5afe79e670b7cf69028de0e4470878a1008d0349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f02511588dccaa9ce98121c5afe79e670b7cf69028de0e4470878a1008d0349", kill_on_drop: false }`
[INFO] [stdout] 9f02511588dccaa9ce98121c5afe79e670b7cf69028de0e4470878a1008d0349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/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] 29f2061bc5d85e72609fe6482092b7620de445f5046ab76dabb3e619a0466cbf
[INFO] running `Command { std: "docker" "start" "-a" "29f2061bc5d85e72609fe6482092b7620de445f5046ab76dabb3e619a0466cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking gpio-cdev v0.2.0
[INFO] [stderr]     Checking xu4-hal v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.85s
[INFO] running `Command { std: "docker" "inspect" "29f2061bc5d85e72609fe6482092b7620de445f5046ab76dabb3e619a0466cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f2061bc5d85e72609fe6482092b7620de445f5046ab76dabb3e619a0466cbf", kill_on_drop: false }`
[INFO] [stdout] 29f2061bc5d85e72609fe6482092b7620de445f5046ab76dabb3e619a0466cbf