[INFO] fetching crate stm32h7-ethernet 0.2.0...
[INFO] documenting stm32h7-ethernet-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate stm32h7-ethernet 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate stm32h7-ethernet 0.2.0 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-12/source/.cargo/config
[INFO] started tweaking crates.io crate stm32h7-ethernet 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stm32h7-ethernet 0.2.0
[INFO] tweaked toml for crates.io crate stm32h7-ethernet 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate stm32h7-ethernet 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smoltcp v0.6.0
[INFO] [stderr]   Downloaded managed v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3821a1fb72423257760e956c955cb067919420fde5a31ffbb0680e2d59d4ed98
[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" "3821a1fb72423257760e956c955cb067919420fde5a31ffbb0680e2d59d4ed98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3821a1fb72423257760e956c955cb067919420fde5a31ffbb0680e2d59d4ed98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3821a1fb72423257760e956c955cb067919420fde5a31ffbb0680e2d59d4ed98", kill_on_drop: false }`
[INFO] [stdout] 3821a1fb72423257760e956c955cb067919420fde5a31ffbb0680e2d59d4ed98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 083f5c26bb9fda6fdea7dcf5fd3cf204f2106502814095a4322936fdde3ea90d
[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" "083f5c26bb9fda6fdea7dcf5fd3cf204f2106502814095a4322936fdde3ea90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling stm32h7 v0.11.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking cortex-m-rt v0.6.12
[INFO] [stderr]     Checking stm32h7xx-hal v0.6.0
[INFO] [stdout] error: This crate requires one of the following device features enabled:
[INFO] [stdout]         stm32h742
[INFO] [stdout]         stm32h743
[INFO] [stdout]         stm32h753
[INFO] [stdout]         stm32h750
[INFO] [stdout]         stm32h742v
[INFO] [stdout]         stm32h743v
[INFO] [stdout]         stm32h753v
[INFO] [stdout]         stm32h750v
[INFO] [stdout]         stm32h747cm7
[INFO] [stdout]         stm32h757cm7
[INFO] [stdout] 
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32h7xx-hal-0.6.0/src/lib.rs:47:1
[INFO] [stdout]    |
[INFO] [stdout] 47 | / compile_error!(
[INFO] [stdout] 48 | |     "This crate requires one of the following device features enabled:
[INFO] [stdout] 49 | |         stm32h742
[INFO] [stdout] 50 | |         stm32h743
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | | "
[INFO] [stdout] 60 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32h7xx-hal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "083f5c26bb9fda6fdea7dcf5fd3cf204f2106502814095a4322936fdde3ea90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083f5c26bb9fda6fdea7dcf5fd3cf204f2106502814095a4322936fdde3ea90d", kill_on_drop: false }`
[INFO] [stdout] 083f5c26bb9fda6fdea7dcf5fd3cf204f2106502814095a4322936fdde3ea90d