[INFO] crate stm32f7x7-hal 0.2.1 is already in cache
[INFO] documenting stm32f7x7-hal-0.2.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate stm32f7x7-hal 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stm32f7x7-hal 0.2.1 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f7x7-hal 0.2.1
[INFO] finished tweaking crates.io crate stm32f7x7-hal 0.2.1
[INFO] tweaked toml for crates.io crate stm32f7x7-hal 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e20461c1a29312ae40b21a779140cd147cfd5166d32d9a89ef724e645b9d513b
[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" "e20461c1a29312ae40b21a779140cd147cfd5166d32d9a89ef724e645b9d513b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e20461c1a29312ae40b21a779140cd147cfd5166d32d9a89ef724e645b9d513b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20461c1a29312ae40b21a779140cd147cfd5166d32d9a89ef724e645b9d513b", kill_on_drop: false }`
[INFO] [stdout] e20461c1a29312ae40b21a779140cd147cfd5166d32d9a89ef724e645b9d513b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 370d560902c89eb8f5f55b6480fe73958cc4ae3bd65bd41bd6e74b5f8a678fde
[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" "370d560902c89eb8f5f55b6480fe73958cc4ae3bd65bd41bd6e74b5f8a678fde", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling stm32f7 v0.7.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]  Documenting stm32f7x7-hal v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `stm32f7x7-hal`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stm32f7x7_hal src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cast=/opt/rustwide/target/debug/deps/libcast-e16b319f9f5d5142.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-3a08a62df63fc71b.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-30730b9df9c9c18e.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-5a0c0bde6fae527d.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-77e4a015e0573cc7.rmeta --extern stm32f7=/opt/rustwide/target/debug/deps/libstm32f7-dfea8145eb184bfe.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-537a58b44134da7d.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "370d560902c89eb8f5f55b6480fe73958cc4ae3bd65bd41bd6e74b5f8a678fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "370d560902c89eb8f5f55b6480fe73958cc4ae3bd65bd41bd6e74b5f8a678fde", kill_on_drop: false }`
[INFO] [stdout] 370d560902c89eb8f5f55b6480fe73958cc4ae3bd65bd41bd6e74b5f8a678fde