[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] 4791af551991edcb41b0ad4152c75f00b94dce96
[INFO] checking Syncroness-Inc/embedded-rust-start against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyncroness-Inc%2Fembedded-rust-start" "/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/Syncroness-Inc/embedded-rust-start on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded mockall_derive v0.7.2
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.8.3
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded stm32f4 v0.11.0
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded mockall v0.7.2
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc84008bca848bbc5d89b9323d766c1cc920576ad665d6ef08379be53040f7b
[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" "2dc84008bca848bbc5d89b9323d766c1cc920576ad665d6ef08379be53040f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc84008bca848bbc5d89b9323d766c1cc920576ad665d6ef08379be53040f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc84008bca848bbc5d89b9323d766c1cc920576ad665d6ef08379be53040f7b", kill_on_drop: false }`
[INFO] [stdout] 2dc84008bca848bbc5d89b9323d766c1cc920576ad665d6ef08379be53040f7b
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9f5b0edff6be307c1b1b1ff9eeaaa3e25544519d2b282f232af3617b4c959c
[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" "ea9f5b0edff6be307c1b1b1ff9eeaaa3e25544519d2b282f232af3617b4c959c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking 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] 63 | |     }
[INFO] [stdout] 64 | | }
[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" "ea9f5b0edff6be307c1b1b1ff9eeaaa3e25544519d2b282f232af3617b4c959c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9f5b0edff6be307c1b1b1ff9eeaaa3e25544519d2b282f232af3617b4c959c", kill_on_drop: false }`
[INFO] [stdout] ea9f5b0edff6be307c1b1b1ff9eeaaa3e25544519d2b282f232af3617b4c959c