[INFO] cloning repository https://github.com/goodcodedev/rui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goodcodedev/rui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Frui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Frui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 916627c065505481aa35ddc5eb40796f0788407f
[INFO] testing goodcodedev/rui against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Frui" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodcodedev/rui on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] crate git repo https://github.com/goodcodedev/rui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a52a1c7d27935cd353f86de4daa39622d936674016fe19251abb23877166d99
[INFO] running `Command { std: "docker" "start" "-a" "8a52a1c7d27935cd353f86de4daa39622d936674016fe19251abb23877166d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a52a1c7d27935cd353f86de4daa39622d936674016fe19251abb23877166d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a52a1c7d27935cd353f86de4daa39622d936674016fe19251abb23877166d99", kill_on_drop: false }`
[INFO] [stdout] 8a52a1c7d27935cd353f86de4daa39622d936674016fe19251abb23877166d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fa66230671fadf5a2d3288f5aaf9764286b38aeefeb6c4c14b2c391d33e3b7a
[INFO] running `Command { std: "docker" "start" "-a" "9fa66230671fadf5a2d3288f5aaf9764286b38aeefeb6c4c14b2c391d33e3b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     children: Vec<Box<Draw>>
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Draw`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `ui`
[INFO] [stdout]    --> src/main.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / use std::mem;
[INFO] [stdout] 2   | | use std::os::raw::c_void;
[INFO] [stdout] 3   | |
[INFO] [stdout] 4   | | trait Draw {
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |     }
[INFO] [stdout] 161 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ui`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9fa66230671fadf5a2d3288f5aaf9764286b38aeefeb6c4c14b2c391d33e3b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa66230671fadf5a2d3288f5aaf9764286b38aeefeb6c4c14b2c391d33e3b7a", kill_on_drop: false }`
[INFO] [stdout] 9fa66230671fadf5a2d3288f5aaf9764286b38aeefeb6c4c14b2c391d33e3b7a