[INFO] cloning repository https://github.com/seanybaggins/blinky-769
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seanybaggins/blinky-769" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanybaggins%2Fblinky-769", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanybaggins%2Fblinky-769'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8a02896871f19aaa9de09256ce517179ec934ac
[INFO] checking seanybaggins/blinky-769 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseanybaggins%2Fblinky-769" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seanybaggins/blinky-769 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seanybaggins/blinky-769
[INFO] finished tweaking git repo https://github.com/seanybaggins/blinky-769
[INFO] tweaked toml for git repo https://github.com/seanybaggins/blinky-769 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/seanybaggins/blinky-769 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f39de2cd559b4f863adf53f46310f3fd8fe205f923159c8c3128f8e8f07218f7
[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" "f39de2cd559b4f863adf53f46310f3fd8fe205f923159c8c3128f8e8f07218f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39de2cd559b4f863adf53f46310f3fd8fe205f923159c8c3128f8e8f07218f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39de2cd559b4f863adf53f46310f3fd8fe205f923159c8c3128f8e8f07218f7", kill_on_drop: false }`
[INFO] [stdout] f39de2cd559b4f863adf53f46310f3fd8fe205f923159c8c3128f8e8f07218f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] cf7fb1c1f3fe1be6aaecf73b69d66e1f366203dfc16074366725a80e3941450e
[INFO] running `Command { std: "docker" "start" "-a" "cf7fb1c1f3fe1be6aaecf73b69d66e1f366203dfc16074366725a80e3941450e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking blinky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[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] 44 | |     }
[INFO] [stdout] 45 | | }
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf7fb1c1f3fe1be6aaecf73b69d66e1f366203dfc16074366725a80e3941450e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7fb1c1f3fe1be6aaecf73b69d66e1f366203dfc16074366725a80e3941450e", kill_on_drop: false }`
[INFO] [stdout] cf7fb1c1f3fe1be6aaecf73b69d66e1f366203dfc16074366725a80e3941450e