[INFO] fetching crate sweet_macros 0.1.37...
[INFO] testing sweet_macros-0.1.37 against 1.75.0 for beta-1.76-1
[INFO] extracting crate sweet_macros 0.1.37 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sweet_macros 0.1.37 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sweet_macros 0.1.37
[INFO] finished tweaking crates.io crate sweet_macros 0.1.37
[INFO] tweaked toml for crates.io crate sweet_macros 0.1.37 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28dac212ce5ed51a371d1267c49723cc31260cd0633e2dcc623f4e633d9a04f7
[INFO] running `Command { std: "docker" "start" "-a" "28dac212ce5ed51a371d1267c49723cc31260cd0633e2dcc623f4e633d9a04f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28dac212ce5ed51a371d1267c49723cc31260cd0633e2dcc623f4e633d9a04f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dac212ce5ed51a371d1267c49723cc31260cd0633e2dcc623f4e633d9a04f7", kill_on_drop: false }`
[INFO] [stdout] 28dac212ce5ed51a371d1267c49723cc31260cd0633e2dcc623f4e633d9a04f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00ff14a441ec39fd131343111611f4512443da599f0f7c4e95269e5ea09c3332
[INFO] running `Command { std: "docker" "start" "-a" "00ff14a441ec39fd131343111611f4512443da599f0f7c4e95269e5ea09c3332", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling sweet_macros v0.1.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::test_case_func::*`
[INFO] [stdout]   --> src/macros/mod.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use self::test_case_func::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `!=` cannot be applied to type `ReturnType`
[INFO] [stdout]   --> src/macros/test_case_attr.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let is_result = func.sig.output != ReturnType::Default;
[INFO] [stdout]    |                         --------------- ^^ ------------------- ReturnType
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         ReturnType
[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 E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sweet_macros` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "00ff14a441ec39fd131343111611f4512443da599f0f7c4e95269e5ea09c3332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ff14a441ec39fd131343111611f4512443da599f0f7c4e95269e5ea09c3332", kill_on_drop: false }`
[INFO] [stdout] 00ff14a441ec39fd131343111611f4512443da599f0f7c4e95269e5ea09c3332
