[INFO] fetching crate stm32f4-prng 0.1.1...
[INFO] testing stm32f4-prng-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stm32f4-prng 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stm32f4-prng 0.1.1 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] started tweaking crates.io crate stm32f4-prng 0.1.1
[INFO] finished tweaking crates.io crate stm32f4-prng 0.1.1
[INFO] tweaked toml for crates.io crate stm32f4-prng 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a358a2eb44be2502f4e17e22686ab842fff6d8ccd974300fca92bf45e992ae3b
[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" "a358a2eb44be2502f4e17e22686ab842fff6d8ccd974300fca92bf45e992ae3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a358a2eb44be2502f4e17e22686ab842fff6d8ccd974300fca92bf45e992ae3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a358a2eb44be2502f4e17e22686ab842fff6d8ccd974300fca92bf45e992ae3b", kill_on_drop: false }`
[INFO] [stdout] a358a2eb44be2502f4e17e22686ab842fff6d8ccd974300fca92bf45e992ae3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dcde0e6c91f78622a225e09d0a4d7702c686be2ecf960729fd5345451fe31f2
[INFO] running `Command { std: "docker" "start" "-a" "0dcde0e6c91f78622a225e09d0a4d7702c686be2ecf960729fd5345451fe31f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling stm32f4 v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling stm32f4xx-hal v0.8.3
[INFO] [stdout] error: This crate requires one of the following device features enabled:
[INFO] [stdout]         stm32f401
[INFO] [stdout]         stm32f405
[INFO] [stdout]         stm32f407
[INFO] [stdout]         stm32f410
[INFO] [stdout]         stm32f411
[INFO] [stdout]         stm32f412
[INFO] [stdout]         stm32f413
[INFO] [stdout]         stm32f415
[INFO] [stdout]         stm32f417
[INFO] [stdout]         stm32f423
[INFO] [stdout]         stm32f427
[INFO] [stdout]         stm32f429
[INFO] [stdout]         stm32f437
[INFO] [stdout]         stm32f439
[INFO] [stdout]         stm32f446
[INFO] [stdout]         stm32f469
[INFO] [stdout]         stm32f479
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stm32f4xx-hal-0.8.3/src/lib.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / compile_error!(
[INFO] [stdout] 6  | |     "This crate requires one of the following device features enabled:
[INFO] [stdout] 7  | |         stm32f401
[INFO] [stdout] 8  | |         stm32f405
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         stm32f479"
[INFO] [stdout] 24 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f4xx-hal`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0dcde0e6c91f78622a225e09d0a4d7702c686be2ecf960729fd5345451fe31f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dcde0e6c91f78622a225e09d0a4d7702c686be2ecf960729fd5345451fe31f2", kill_on_drop: false }`
[INFO] [stdout] 0dcde0e6c91f78622a225e09d0a4d7702c686be2ecf960729fd5345451fe31f2