[INFO] cloning repository https://github.com/DijanaPavlovic/rust-brain-teasers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DijanaPavlovic/rust-brain-teasers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDijanaPavlovic%2Frust-brain-teasers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDijanaPavlovic%2Frust-brain-teasers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47a95b7978027982bc76bc22ca43ad6699a9ce3c
[INFO] checking DijanaPavlovic/rust-brain-teasers against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDijanaPavlovic%2Frust-brain-teasers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DijanaPavlovic/rust-brain-teasers
[INFO] finished tweaking git repo https://github.com/DijanaPavlovic/rust-brain-teasers
[INFO] tweaked toml for git repo https://github.com/DijanaPavlovic/rust-brain-teasers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DijanaPavlovic/rust-brain-teasers on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DijanaPavlovic/rust-brain-teasers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60af0e26144c6abab48887c16c7ef93d791c119bd202ac06433240f3e74b0201
[INFO] running `Command { std: "docker" "start" "-a" "60af0e26144c6abab48887c16c7ef93d791c119bd202ac06433240f3e74b0201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60af0e26144c6abab48887c16c7ef93d791c119bd202ac06433240f3e74b0201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60af0e26144c6abab48887c16c7ef93d791c119bd202ac06433240f3e74b0201", kill_on_drop: false }`
[INFO] [stdout] 60af0e26144c6abab48887c16c7ef93d791c119bd202ac06433240f3e74b0201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e8911a394b6f71351939a6537c90b07cd26c299c63c30b6dc38facafebbc0ca
[INFO] running `Command { std: "docker" "start" "-a" "6e8911a394b6f71351939a6537c90b07cd26c299c63c30b6dc38facafebbc0ca", kill_on_drop: false }`
[INFO] [stderr]     Checking exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `exercises`
[INFO] [stdout]    --> src/main.rs:443:59
[INFO] [stdout]     |
[INFO] [stdout] 443 | //--------------------------------------------------------
[INFO] [stdout]     |                                                           ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercises` (bin "exercises") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6e8911a394b6f71351939a6537c90b07cd26c299c63c30b6dc38facafebbc0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8911a394b6f71351939a6537c90b07cd26c299c63c30b6dc38facafebbc0ca", kill_on_drop: false }`
[INFO] [stdout] 6e8911a394b6f71351939a6537c90b07cd26c299c63c30b6dc38facafebbc0ca
