[INFO] updating cached repository https://github.com/goodcodedev/rui
[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] 916627c065505481aa35ddc5eb40796f0788407f
[INFO] checking goodcodedev/rui against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Frui" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodcodedev/rui on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/goodcodedev/rui
[INFO] finished tweaking git repo https://github.com/goodcodedev/rui
[INFO] tweaked toml for git repo https://github.com/goodcodedev/rui written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/goodcodedev/rui already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47cfcb1282bbc35cc86c08b55fd5385274b3b66354684ac43e114969e868b619
[INFO] running `"docker" "start" "-a" "47cfcb1282bbc35cc86c08b55fd5385274b3b66354684ac43e114969e868b619"`
[INFO] [stderr]     Checking ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |     children: Vec<Box<Draw>>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Draw`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |     children: Vec<Box<Draw>>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Draw`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `ui`
[INFO] [stderr]    --> src/main.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / use std::mem;
[INFO] [stderr] 2   | | use std::os::raw::c_void;
[INFO] [stderr] 3   | |
[INFO] [stderr] 4   | | trait Draw {
[INFO] [stderr] ...   |
[INFO] [stderr] 160 | |     }
[INFO] [stderr] 161 | | }
[INFO] [stderr]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `ui`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: field is never read: `bg_color`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     bg_color: Color,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Increment`
[INFO] [stderr]   --> src/main.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Increment
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test`
[INFO] [stderr]    --> src/main.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn test(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `std::string::String`, which is not FFI-safe
[INFO] [stderr]    --> src/main.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn draw_html(html: String);
[INFO] [stderr]     |                            ^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "47cfcb1282bbc35cc86c08b55fd5385274b3b66354684ac43e114969e868b619"`
[INFO] running `"docker" "rm" "-f" "47cfcb1282bbc35cc86c08b55fd5385274b3b66354684ac43e114969e868b619"`
[INFO] [stdout] 47cfcb1282bbc35cc86c08b55fd5385274b3b66354684ac43e114969e868b619
