[INFO] fetching crate xmc4-hal 0.0.1...
[INFO] documenting xmc4-hal-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate xmc4-hal 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate xmc4-hal 0.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking crates.io crate xmc4-hal 0.0.1
[INFO] finished tweaking crates.io crate xmc4-hal 0.0.1
[INFO] tweaked toml for crates.io crate xmc4-hal 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate xmc4-hal 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmc4700 v0.3.1
[INFO] [stderr]   Downloaded heapless v0.5.1
[INFO] [stderr]   Downloaded as-slice v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rtfm v0.5.0
[INFO] [stderr]   Downloaded xmc4300 v0.1.1
[INFO] [stderr]   Downloaded xmc4200 v0.2.1
[INFO] [stderr]   Downloaded xmc4100 v0.3.1
[INFO] [stderr]   Downloaded xmc4400 v0.3.1
[INFO] [stderr]   Downloaded xmc4500 v0.3.1
[INFO] [stderr]   Downloaded xmc4800 v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876c6b4ce0bac4adf5735d21a3efe51ac7f42db5021ce4f3ce9649a2b7b56b97
[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" "876c6b4ce0bac4adf5735d21a3efe51ac7f42db5021ce4f3ce9649a2b7b56b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876c6b4ce0bac4adf5735d21a3efe51ac7f42db5021ce4f3ce9649a2b7b56b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876c6b4ce0bac4adf5735d21a3efe51ac7f42db5021ce4f3ce9649a2b7b56b97", kill_on_drop: false }`
[INFO] [stdout] 876c6b4ce0bac4adf5735d21a3efe51ac7f42db5021ce4f3ce9649a2b7b56b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07133a311a6e76425cd65734560985d03ed109069e446ce60c6e8e89c8996d6f
[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" "07133a311a6e76425cd65734560985d03ed109069e446ce60c6e8e89c8996d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stderr]  Documenting xmc4-hal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.34s
[INFO] running `Command { std: "docker" "inspect" "07133a311a6e76425cd65734560985d03ed109069e446ce60c6e8e89c8996d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07133a311a6e76425cd65734560985d03ed109069e446ce60c6e8e89c8996d6f", kill_on_drop: false }`
[INFO] [stdout] 07133a311a6e76425cd65734560985d03ed109069e446ce60c6e8e89c8996d6f