[INFO] cloning repository https://github.com/Syncroness-Inc/embedded-rust-start
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syncroness-Inc/embedded-rust-start" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyncroness-Inc%2Fembedded-rust-start", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyncroness-Inc%2Fembedded-rust-start'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7b3e57761e1ea3eb43f8681b3e721788912a194
[INFO] testing Syncroness-Inc/embedded-rust-start against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyncroness-Inc%2Fembedded-rust-start" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Syncroness-Inc/embedded-rust-start on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Syncroness-Inc/embedded-rust-start
[INFO] finished tweaking git repo https://github.com/Syncroness-Inc/embedded-rust-start
[INFO] tweaked toml for git repo https://github.com/Syncroness-Inc/embedded-rust-start written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Syncroness-Inc/embedded-rust-start already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded mockall v0.7.2
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.3
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded mockall_derive v0.7.2
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dffdb4b8fcd9e7aa5f7823b32b36b3933293029ec5bfa03724c0b2feb80a9e40
[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" "dffdb4b8fcd9e7aa5f7823b32b36b3933293029ec5bfa03724c0b2feb80a9e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffdb4b8fcd9e7aa5f7823b32b36b3933293029ec5bfa03724c0b2feb80a9e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffdb4b8fcd9e7aa5f7823b32b36b3933293029ec5bfa03724c0b2feb80a9e40", kill_on_drop: false }`
[INFO] [stdout] dffdb4b8fcd9e7aa5f7823b32b36b3933293029ec5bfa03724c0b2feb80a9e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9e7d44cf3c79c3e979c845275ee249bb1c1ed39f92244b3b168f8d6b5a7d2d9
[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" "d9e7d44cf3c79c3e979c845275ee249bb1c1ed39f92244b3b168f8d6b5a7d2d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling blinky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `blinky`
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! A basic blinky application. The purpose of this application is to serve as an easy starting point
[INFO] [stdout] 2  | | //! for embedded rust projects. Be sure to read the `README.md`. It gives useful information for how
[INFO] [stdout] 3  | | //! to quickly get your environment up and running within vscode and illustrates some useful tools
[INFO] [stdout] 4  | | //! such as a debugger and a way to flash your microcontroller. All of these tools ship with docker
[INFO] [stdout] ...  |
[INFO] [stdout] 60 | |     }
[INFO] [stdout] 61 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blinky` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9e7d44cf3c79c3e979c845275ee249bb1c1ed39f92244b3b168f8d6b5a7d2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e7d44cf3c79c3e979c845275ee249bb1c1ed39f92244b3b168f8d6b5a7d2d9", kill_on_drop: false }`
[INFO] [stdout] d9e7d44cf3c79c3e979c845275ee249bb1c1ed39f92244b3b168f8d6b5a7d2d9