[INFO] fetching crate tm4c129x-hal 0.9.2...
[INFO] documenting tm4c129x-hal-0.9.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate tm4c129x-hal 0.9.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tm4c129x-hal 0.9.2 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-6/source/.cargo/config
[INFO] started tweaking crates.io crate tm4c129x-hal 0.9.2
[INFO] finished tweaking crates.io crate tm4c129x-hal 0.9.2
[INFO] tweaked toml for crates.io crate tm4c129x-hal 0.9.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.12
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded as-slice v0.1.3
[INFO] [stderr]   Downloaded tm4c129x v0.9.0
[INFO] [stderr]   Downloaded tm4c-hal v0.4.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9e2a0eaa90ebac2c49020c10993e8ff5a014df65c0e5ec1859e8807b883ddaee
[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" "9e2a0eaa90ebac2c49020c10993e8ff5a014df65c0e5ec1859e8807b883ddaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e2a0eaa90ebac2c49020c10993e8ff5a014df65c0e5ec1859e8807b883ddaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2a0eaa90ebac2c49020c10993e8ff5a014df65c0e5ec1859e8807b883ddaee", kill_on_drop: false }`
[INFO] [stdout] 9e2a0eaa90ebac2c49020c10993e8ff5a014df65c0e5ec1859e8807b883ddaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 06811fce55d699efea41c4d8f4db272702deb1f4da49a33f56bda30f068dd49a
[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" "06811fce55d699efea41c4d8f4db272702deb1f4da49a33f56bda30f068dd49a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tm4c129x v0.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling tm4c129x-hal v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking tm4c-hal v0.4.1
[INFO] [stderr]  Documenting tm4c129x-hal v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.74s
[INFO] running `Command { std: "docker" "inspect" "06811fce55d699efea41c4d8f4db272702deb1f4da49a33f56bda30f068dd49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06811fce55d699efea41c4d8f4db272702deb1f4da49a33f56bda30f068dd49a", kill_on_drop: false }`
[INFO] [stdout] 06811fce55d699efea41c4d8f4db272702deb1f4da49a33f56bda30f068dd49a