[INFO] fetching crate hotcorners 0.2.1...
[INFO] testing hotcorners-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hotcorners 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate hotcorners 0.2.1
[INFO] finished tweaking crates.io crate hotcorners 0.2.1
[INFO] tweaked toml for crates.io crate hotcorners 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotcorners 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hotcorners 0.2.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.22.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.22.1
[INFO] [stderr]   Downloaded windows v0.22.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 384f7ddcf2b2fcc22f36b12b26c4d153018476eaa407a72a117c1de06d7e9eed
[INFO] running `Command { std: "docker" "start" "-a" "384f7ddcf2b2fcc22f36b12b26c4d153018476eaa407a72a117c1de06d7e9eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "384f7ddcf2b2fcc22f36b12b26c4d153018476eaa407a72a117c1de06d7e9eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384f7ddcf2b2fcc22f36b12b26c4d153018476eaa407a72a117c1de06d7e9eed", kill_on_drop: false }`
[INFO] [stdout] 384f7ddcf2b2fcc22f36b12b26c4d153018476eaa407a72a117c1de06d7e9eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d15c0636852b68c9a2f8773dc367cfd68d9f1cd4b0e74f29e1d391b2317d17e9
[INFO] running `Command { std: "docker" "start" "-a" "d15c0636852b68c9a2f8773dc367cfd68d9f1cd4b0e74f29e1d391b2317d17e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling windows v0.22.1
[INFO] [stderr]    Compiling hotcorners v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `hotcorners`
[INFO] [stdout]    --> src/main.rs:222:2
[INFO] [stdout]     |
[INFO] [stdout] 222 | }
[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 `hotcorners` (bin "hotcorners") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d15c0636852b68c9a2f8773dc367cfd68d9f1cd4b0e74f29e1d391b2317d17e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15c0636852b68c9a2f8773dc367cfd68d9f1cd4b0e74f29e1d391b2317d17e9", kill_on_drop: false }`
[INFO] [stdout] d15c0636852b68c9a2f8773dc367cfd68d9f1cd4b0e74f29e1d391b2317d17e9