[INFO] updating cached repository https://github.com/hamaluik/cef-client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fa06fc814eb1fa15879e681bca220f0a26187ce
[INFO] testing hamaluik/cef-client against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamaluik%2Fcef-client" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hamaluik/cef-client on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hamaluik/cef-client
[INFO] finished tweaking git repo https://github.com/hamaluik/cef-client
[INFO] tweaked toml for git repo https://github.com/hamaluik/cef-client written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hamaluik/cef-client already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 772267518ceed1c2fbbcbc985c7eaed31df24f5fa899393d094b604aa2fbc2db
[INFO] running `"docker" "start" "-a" "772267518ceed1c2fbbcbc985c7eaed31df24f5fa899393d094b604aa2fbc2db"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling winres v0.1.11
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cef-client v1.0.0-alpha.winonly (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> build.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stderr]    --> build.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / use std::env;
[INFO] [stderr] 2   | | use std::path::PathBuf;
[INFO] [stderr] 3   | |
[INFO] [stderr] 4   | | #[cfg(windows)]
[INFO] [stderr] ...   |
[INFO] [stderr] 142 | |     }
[INFO] [stderr] 143 | | }
[INFO] [stderr]     | |_^ consider adding a `main` function to `build.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `cef-client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "772267518ceed1c2fbbcbc985c7eaed31df24f5fa899393d094b604aa2fbc2db"`
[INFO] running `"docker" "rm" "-f" "772267518ceed1c2fbbcbc985c7eaed31df24f5fa899393d094b604aa2fbc2db"`
[INFO] [stdout] 772267518ceed1c2fbbcbc985c7eaed31df24f5fa899393d094b604aa2fbc2db