[INFO] fetching crate nrf52840-platform 0.1.2...
[INFO] documenting nrf52840-platform-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nrf52840-platform 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nrf52840-platform 0.1.2 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] started tweaking crates.io crate nrf52840-platform 0.1.2
[INFO] finished tweaking crates.io crate nrf52840-platform 0.1.2
[INFO] tweaked toml for crates.io crate nrf52840-platform 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate nrf52840-platform 0.1.2 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 cortex-m-rt-macros v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded core-futures-tls v0.1.1
[INFO] [stderr]   Downloaded nrf52-hal-common v0.8.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded nrf52840-hal v0.8.1
[INFO] [stderr]   Downloaded embedded-platform v0.1.1
[INFO] [stderr]   Downloaded nrf52840-pac v0.8.0
[INFO] [stderr]   Downloaded fpa v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cfc28b0530014dceb54835e4e5648049019ea2edf8d8e6f5a78f963172699402
[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" "cfc28b0530014dceb54835e4e5648049019ea2edf8d8e6f5a78f963172699402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc28b0530014dceb54835e4e5648049019ea2edf8d8e6f5a78f963172699402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc28b0530014dceb54835e4e5648049019ea2edf8d8e6f5a78f963172699402", kill_on_drop: false }`
[INFO] [stdout] cfc28b0530014dceb54835e4e5648049019ea2edf8d8e6f5a78f963172699402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55bacbb770aed796b1b07cb78979c0b877cbbc656f7ce5265285af338e176874
[INFO] running `Command { std: "docker" "start" "-a" "55bacbb770aed796b1b07cb78979c0b877cbbc656f7ce5265285af338e176874", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling fpa v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling nrf52840-pac v0.8.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling nrf52840-hal v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking embedded-platform v0.1.1
[INFO] [stderr]     Checking nrf52-hal-common v0.8.1
[INFO] [stderr]  Documenting nrf52840-platform v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.49s
[INFO] running `Command { std: "docker" "inspect" "55bacbb770aed796b1b07cb78979c0b877cbbc656f7ce5265285af338e176874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bacbb770aed796b1b07cb78979c0b877cbbc656f7ce5265285af338e176874", kill_on_drop: false }`
[INFO] [stdout] 55bacbb770aed796b1b07cb78979c0b877cbbc656f7ce5265285af338e176874