[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodcodedev%2Frui" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goodcodedev/rui on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 086b5fcb2432fe0e8a6ccf4cc37d00abc7c32032507ae5cb53e9f1004825896f
[INFO] running `Command { std: "docker" "start" "-a" "086b5fcb2432fe0e8a6ccf4cc37d00abc7c32032507ae5cb53e9f1004825896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "086b5fcb2432fe0e8a6ccf4cc37d00abc7c32032507ae5cb53e9f1004825896f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086b5fcb2432fe0e8a6ccf4cc37d00abc7c32032507ae5cb53e9f1004825896f", kill_on_drop: false }`
[INFO] [stdout] 086b5fcb2432fe0e8a6ccf4cc37d00abc7c32032507ae5cb53e9f1004825896f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7e04cb84bf64a869b11f4a1f24a624dd1017ec3af41d56d6ffa16c64051f987
[INFO] running `Command { std: "docker" "start" "-a" "c7e04cb84bf64a869b11f4a1f24a624dd1017ec3af41d56d6ffa16c64051f987", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c7e04cb84bf64a869b11f4a1f24a624dd1017ec3af41d56d6ffa16c64051f987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e04cb84bf64a869b11f4a1f24a624dd1017ec3af41d56d6ffa16c64051f987", kill_on_drop: false }`
[INFO] [stdout] c7e04cb84bf64a869b11f4a1f24a624dd1017ec3af41d56d6ffa16c64051f987