[INFO] fetching crate nucleo-f401re 0.4.1...
[INFO] documenting nucleo-f401re-0.4.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate nucleo-f401re 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nucleo-f401re 0.4.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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 nucleo-f401re 0.4.1
[INFO] finished tweaking crates.io crate nucleo-f401re 0.4.1
[INFO] tweaked toml for crates.io crate nucleo-f401re 0.4.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate nucleo-f401re 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce97c6f2cfd9b13a9aee1d7bfc3c8703cbf58f9adc7d10d1c7352e2110695b8f
[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" "ce97c6f2cfd9b13a9aee1d7bfc3c8703cbf58f9adc7d10d1c7352e2110695b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce97c6f2cfd9b13a9aee1d7bfc3c8703cbf58f9adc7d10d1c7352e2110695b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce97c6f2cfd9b13a9aee1d7bfc3c8703cbf58f9adc7d10d1c7352e2110695b8f", kill_on_drop: false }`
[INFO] [stdout] ce97c6f2cfd9b13a9aee1d7bfc3c8703cbf58f9adc7d10d1c7352e2110695b8f
[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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9558899eb5cfd45e2df99845bb33a50d686d9b0c68069b0d5714a43d426cc55
[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" "c9558899eb5cfd45e2df99845bb33a50d686d9b0c68069b0d5714a43d426cc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f4xx-hal v0.8.3
[INFO] [stderr]  Documenting nucleo-f401re v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.65s
[INFO] running `Command { std: "docker" "inspect" "c9558899eb5cfd45e2df99845bb33a50d686d9b0c68069b0d5714a43d426cc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9558899eb5cfd45e2df99845bb33a50d686d9b0c68069b0d5714a43d426cc55", kill_on_drop: false }`
[INFO] [stdout] c9558899eb5cfd45e2df99845bb33a50d686d9b0c68069b0d5714a43d426cc55
