[INFO] fetching crate stm32f1xx-hal 0.7.0...
[INFO] testing stm32f1xx-hal-0.7.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stm32f1xx-hal 0.7.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate stm32f1xx-hal 0.7.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config
[INFO] started tweaking crates.io crate stm32f1xx-hal 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate stm32f1xx-hal 0.7.0
[INFO] tweaked toml for crates.io crate stm32f1xx-hal 0.7.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate stm32f1xx-hal 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mfrc522 v0.2.0
[INFO] [stderr]   Downloaded heapless v0.5.4
[INFO] [stderr]   Downloaded cobs v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5a48da3d78a9c6fce5430c68ec390b54f9ceba41915994aa1301721eca322f8
[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" "b5a48da3d78a9c6fce5430c68ec390b54f9ceba41915994aa1301721eca322f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5a48da3d78a9c6fce5430c68ec390b54f9ceba41915994aa1301721eca322f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a48da3d78a9c6fce5430c68ec390b54f9ceba41915994aa1301721eca322f8", kill_on_drop: false }`
[INFO] [stdout] b5a48da3d78a9c6fce5430c68ec390b54f9ceba41915994aa1301721eca322f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c012fe854aaec4b75e42e7252d6e5ac4bbd22e299869b23f9827f7789899151
[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" "1c012fe854aaec4b75e42e7252d6e5ac4bbd22e299869b23f9827f7789899151", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.6.11
[INFO] [stderr]    Compiling stm32f1 v0.11.0
[INFO] [stderr]    Compiling as-slice v0.1.2
[INFO] [stderr]    Compiling embedded-dma v0.1.2
[INFO] [stderr]    Compiling aligned v0.3.2
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.7
[INFO] [stderr]    Compiling stm32f1xx-hal v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Target not found. A `--features <target-name>` is required.
[INFO] [stdout]   --> src/lib.rs:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | compile_error!("Target not found. A `--features <target-name>` is required.");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f1xx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1c012fe854aaec4b75e42e7252d6e5ac4bbd22e299869b23f9827f7789899151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c012fe854aaec4b75e42e7252d6e5ac4bbd22e299869b23f9827f7789899151", kill_on_drop: false }`
[INFO] [stdout] 1c012fe854aaec4b75e42e7252d6e5ac4bbd22e299869b23f9827f7789899151