[INFO] cloning repository https://github.com/lucidscape/libovr-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucidscape/libovr-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Flibovr-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Flibovr-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 861e07423fd4ebca2abc0c3a6b5060c1e3e20b9b
[INFO] testing lucidscape/libovr-rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucidscape%2Flibovr-rs" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucidscape/libovr-rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucidscape/libovr-rs
[INFO] finished tweaking git repo https://github.com/lucidscape/libovr-rs
[INFO] tweaked toml for git repo https://github.com/lucidscape/libovr-rs written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/lucidscape/libovr-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c982b259bed2c6cf74e4471547dbbdd54c518f10017563d22b65a6ebd9c717
[INFO] running `Command { std: "docker" "start" "-a" "29c982b259bed2c6cf74e4471547dbbdd54c518f10017563d22b65a6ebd9c717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c982b259bed2c6cf74e4471547dbbdd54c518f10017563d22b65a6ebd9c717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c982b259bed2c6cf74e4471547dbbdd54c518f10017563d22b65a6ebd9c717", kill_on_drop: false }`
[INFO] [stdout] 29c982b259bed2c6cf74e4471547dbbdd54c518f10017563d22b65a6ebd9c717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ee0b3129fd926166b5695fbba97086833f5107ecacdf5789eb75709ac89965
[INFO] running `Command { std: "docker" "start" "-a" "a3ee0b3129fd926166b5695fbba97086833f5107ecacdf5789eb75709ac89965", 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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a3ee0b3129fd926166b5695fbba97086833f5107ecacdf5789eb75709ac89965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ee0b3129fd926166b5695fbba97086833f5107ecacdf5789eb75709ac89965", kill_on_drop: false }`
[INFO] [stdout] a3ee0b3129fd926166b5695fbba97086833f5107ecacdf5789eb75709ac89965
