[INFO] cloning repository https://github.com/nebelgrau77/STM32F407_dualOLED
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nebelgrau77/STM32F407_dualOLED" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32F407_dualOLED", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32F407_dualOLED'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2263b5f71f50a9d45291f2675dbda73ec3ac800
[INFO] testing nebelgrau77/STM32F407_dualOLED against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebelgrau77%2FSTM32F407_dualOLED" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebelgrau77/STM32F407_dualOLED on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/nebelgrau77/STM32F407_dualOLED
[INFO] finished tweaking git repo https://github.com/nebelgrau77/STM32F407_dualOLED
[INFO] tweaked toml for git repo https://github.com/nebelgrau77/STM32F407_dualOLED written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/nebelgrau77/STM32F407_dualOLED already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.7.0
[INFO] [stderr]   Downloaded stm32f4 v0.10.0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03d0474baefebf1e45515559c8f0ef0fd6a848d898d68bc73be7fe9ffe85bbc7
[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" "03d0474baefebf1e45515559c8f0ef0fd6a848d898d68bc73be7fe9ffe85bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03d0474baefebf1e45515559c8f0ef0fd6a848d898d68bc73be7fe9ffe85bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d0474baefebf1e45515559c8f0ef0fd6a848d898d68bc73be7fe9ffe85bbc7", kill_on_drop: false }`
[INFO] [stdout] 03d0474baefebf1e45515559c8f0ef0fd6a848d898d68bc73be7fe9ffe85bbc7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c6845c8858db818f2e2c3f8c3a987c4e5fe93481d6deb631a5f10b60298ad6
[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" "e7c6845c8858db818f2e2c3f8c3a987c4e5fe93481d6deb631a5f10b60298ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32f4 v0.10.0
[INFO] [stderr]    Compiling stm32f4 v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling stm32f4xx-hal v0.7.0
[INFO] [stderr]    Compiling conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Font12x16`, `Text`, `pixelcolor::BinaryColor`, `style::TextStyleBuilder`
[INFO] [stdout]   --> src/main.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fonts::{Font12x16, Text},
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^
[INFO] [stdout] 47 |     pixelcolor::BinaryColor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 48 |     prelude::*,
[INFO] [stdout] 49 |     style::TextStyleBuilder,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     prelude::*,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conway`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e7c6845c8858db818f2e2c3f8c3a987c4e5fe93481d6deb631a5f10b60298ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c6845c8858db818f2e2c3f8c3a987c4e5fe93481d6deb631a5f10b60298ad6", kill_on_drop: false }`
[INFO] [stdout] e7c6845c8858db818f2e2c3f8c3a987c4e5fe93481d6deb631a5f10b60298ad6