[INFO] fetching crate libovr 0.1.3...
[INFO] checking libovr-0.1.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate libovr 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libovr 0.1.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libovr 0.1.3
[INFO] finished tweaking crates.io crate libovr 0.1.3
[INFO] tweaked toml for crates.io crate libovr 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcb3a9729aeb487af1ca21d5d8e21970a9ea1f83a405b8327bc4d48439ba1040
[INFO] running `Command { std: "docker" "start" "-a" "bcb3a9729aeb487af1ca21d5d8e21970a9ea1f83a405b8327bc4d48439ba1040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcb3a9729aeb487af1ca21d5d8e21970a9ea1f83a405b8327bc4d48439ba1040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb3a9729aeb487af1ca21d5d8e21970a9ea1f83a405b8327bc4d48439ba1040", kill_on_drop: false }`
[INFO] [stdout] bcb3a9729aeb487af1ca21d5d8e21970a9ea1f83a405b8327bc4d48439ba1040
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee7bae2b1cd3c6183c294608cd0ebfa70939f582c83547196747e5d924435102
[INFO] running `Command { std: "docker" "start" "-a" "ee7bae2b1cd3c6183c294608cd0ebfa70939f582c83547196747e5d924435102", kill_on_drop: false }`
[INFO] [stderr]    Compiling libovr v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #[cfg(target_os="windows")]
[INFO] [stdout] 2 | | fn main() {
[INFO] [stdout] 3 | |     println!("cargo:rustc-link-search={}\\lib", env!("CARGO_MANIFEST_DIR"));
[INFO] [stdout] 4 | | }
[INFO] [stdout]   | |_^ consider adding a `main` function to `build.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 `libovr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ee7bae2b1cd3c6183c294608cd0ebfa70939f582c83547196747e5d924435102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee7bae2b1cd3c6183c294608cd0ebfa70939f582c83547196747e5d924435102", kill_on_drop: false }`
[INFO] [stdout] ee7bae2b1cd3c6183c294608cd0ebfa70939f582c83547196747e5d924435102