[INFO] fetching crate stm32f7xx-hal 0.2.0...
[INFO] testing stm32f7xx-hal-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stm32f7xx-hal 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stm32f7xx-hal 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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 stm32f7xx-hal 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate stm32f7xx-hal 0.2.0
[INFO] tweaked toml for crates.io crate stm32f7xx-hal 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate stm32f7xx-hal 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b605e2b8ae49ac5330687a6fc2262e8a021238a037f30c2f15d5b171dc3cafa8
[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" "b605e2b8ae49ac5330687a6fc2262e8a021238a037f30c2f15d5b171dc3cafa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b605e2b8ae49ac5330687a6fc2262e8a021238a037f30c2f15d5b171dc3cafa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b605e2b8ae49ac5330687a6fc2262e8a021238a037f30c2f15d5b171dc3cafa8", kill_on_drop: false }`
[INFO] [stdout] b605e2b8ae49ac5330687a6fc2262e8a021238a037f30c2f15d5b171dc3cafa8
[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" "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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452ef7ce8bb170ab75a4b725f3d5192d3c5ae523fa0072a61216dadc89eac404
[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" "452ef7ce8bb170ab75a4b725f3d5192d3c5ae523fa0072a61216dadc89eac404", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling stm32f7 v0.11.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling micromath v1.0.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling as-slice v0.1.0
[INFO] [stderr]    Compiling aligned v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.6
[INFO] [stderr]    Compiling stm32f7xx-hal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: This crate requires one of the following device features enabled:
[INFO] [stdout]         stm32f722
[INFO] [stdout]         stm32f723
[INFO] [stdout]         stm32f730
[INFO] [stdout]         stm32f732
[INFO] [stdout]         stm32f733
[INFO] [stdout]         stm32f745
[INFO] [stdout]         stm32f746
[INFO] [stdout]         stm32f756
[INFO] [stdout]         stm32f765
[INFO] [stdout]         stm32f767
[INFO] [stdout]         stm32f769
[INFO] [stdout]         stm32f777
[INFO] [stdout]         stm32f778
[INFO] [stdout]         stm32f779
[INFO] [stdout]                 
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / compile_error!(
[INFO] [stdout] 8  | |     "This crate requires one of the following device features enabled:
[INFO] [stdout] 9  | |         stm32f722
[INFO] [stdout] 10 | |         stm32f723
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |                 "
[INFO] [stdout] 24 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal as hal`
[INFO] [stdout]   --> src/lib.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) use embedded_hal as hal;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f7xx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "452ef7ce8bb170ab75a4b725f3d5192d3c5ae523fa0072a61216dadc89eac404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452ef7ce8bb170ab75a4b725f3d5192d3c5ae523fa0072a61216dadc89eac404", kill_on_drop: false }`
[INFO] [stdout] 452ef7ce8bb170ab75a4b725f3d5192d3c5ae523fa0072a61216dadc89eac404