[INFO] cloning repository https://github.com/chessnokov/pfm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chessnokov/pfm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchessnokov%2Fpfm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchessnokov%2Fpfm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acc41830d8de09adc282f5959da28eb5228e00d8
[INFO] documenting chessnokov/pfm against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchessnokov%2Fpfm" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chessnokov/pfm on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-11/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/chessnokov/pfm
[INFO] finished tweaking git repo https://github.com/chessnokov/pfm
[INFO] tweaked toml for git repo https://github.com/chessnokov/pfm written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/chessnokov/pfm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] b351a077b3874484ffb812023cf315c8d9570a01f837b13f0e544483099201d7
[INFO] running `Command { std: "docker" "start" "-a" "b351a077b3874484ffb812023cf315c8d9570a01f837b13f0e544483099201d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b351a077b3874484ffb812023cf315c8d9570a01f837b13f0e544483099201d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b351a077b3874484ffb812023cf315c8d9570a01f837b13f0e544483099201d7", kill_on_drop: false }`
[INFO] [stdout] b351a077b3874484ffb812023cf315c8d9570a01f837b13f0e544483099201d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de0421ce9282ec771f728506e14a7d308a0e65c25764be6dcfca0d21b5046f9
[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" "8de0421ce9282ec771f728506e14a7d308a0e65c25764be6dcfca0d21b5046f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cortex-m-rt v0.7.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling stm32f7 v0.14.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]    Compiling pfm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr] error: could not compile `stm32f7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stm32f7 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f7-0.14.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="default"' --cfg 'feature="rt"' --cfg 'feature="stm32f7x7"' -C metadata=a5a97ad10fbc4443 -C extra-filename=-a5a97ad10fbc4443 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-f983a42961179b7b.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-8f52d575576794d9.rmeta --extern cortex_m_rt=/opt/rustwide/target/debug/deps/libcortex_m_rt-c21d47ac5a389c9b.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-01c90c091d7069a7.rmeta --cap-lints allow -L /opt/rustwide/target/debug/build/stm32f7-b19aaa59e507fdd0/out -L /opt/rustwide/target/debug/build/cortex-m-rt-231e6fa929df4357/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "8de0421ce9282ec771f728506e14a7d308a0e65c25764be6dcfca0d21b5046f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de0421ce9282ec771f728506e14a7d308a0e65c25764be6dcfca0d21b5046f9", kill_on_drop: false }`
[INFO] [stdout] 8de0421ce9282ec771f728506e14a7d308a0e65c25764be6dcfca0d21b5046f9