[INFO] cloning repository https://github.com/aL4ix/fix_rui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aL4ix/fix_rui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaL4ix%2Ffix_rui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaL4ix%2Ffix_rui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4efb45d638629c61639cc8697f8d7806c589547
[INFO] checking aL4ix/fix_rui against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaL4ix%2Ffix_rui" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aL4ix/fix_rui
[INFO] finished tweaking git repo https://github.com/aL4ix/fix_rui
[INFO] tweaked toml for git repo https://github.com/aL4ix/fix_rui written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aL4ix/fix_rui on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aL4ix/fix_rui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90efebd7074c77f05284c77a8e2e0012e60d05acb2e5e036f3729ff98ac3f4d6
[INFO] running `Command { std: "docker" "start" "-a" "90efebd7074c77f05284c77a8e2e0012e60d05acb2e5e036f3729ff98ac3f4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90efebd7074c77f05284c77a8e2e0012e60d05acb2e5e036f3729ff98ac3f4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90efebd7074c77f05284c77a8e2e0012e60d05acb2e5e036f3729ff98ac3f4d6", kill_on_drop: false }`
[INFO] [stdout] 90efebd7074c77f05284c77a8e2e0012e60d05acb2e5e036f3729ff98ac3f4d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad6131b150db80bce71050061d817e048f11d3058f6d65a0be4d3ef8547fc93
[INFO] running `Command { std: "docker" "start" "-a" "8ad6131b150db80bce71050061d817e048f11d3058f6d65a0be4d3ef8547fc93", kill_on_drop: false }`
[INFO] [stderr]     Checking fix_rui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0605]: non-primitive cast: `Rc<RefCell<(dyn Widget + 'static)>>` as `Rc<RefCell<T>>`
[INFO] [stdout]   --> src/window_builder.rs:37:53
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   Some(e) => {return Some(b as Rc<RefCell<T>>)}
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fix_rui` (bin "fix_rui" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0605]: non-primitive cast: `Rc<RefCell<(dyn Widget + 'static)>>` as `Rc<RefCell<T>>`
[INFO] [stdout]   --> src/window_builder.rs:37:53
[INFO] [stdout]    |
[INFO] [stdout] 37 | ...                   Some(e) => {return Some(b as Rc<RefCell<T>>)}
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0605`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fix_rui` (bin "fix_rui") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8ad6131b150db80bce71050061d817e048f11d3058f6d65a0be4d3ef8547fc93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad6131b150db80bce71050061d817e048f11d3058f6d65a0be4d3ef8547fc93", kill_on_drop: false }`
[INFO] [stdout] 8ad6131b150db80bce71050061d817e048f11d3058f6d65a0be4d3ef8547fc93
