Sep 06 01:02:58.972 INFO checking rundo-0.4.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854 Sep 06 01:02:58.972 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets Sep 06 01:02:58.972 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 06 01:02:59.271 INFO blam! fa4ef78596ff43ad9d2e69b27b68decb62ddb5edb353e274421f3e484d7e7e39 Sep 06 01:02:59.273 INFO running `"docker" "start" "-a" "fa4ef78596ff43ad9d2e69b27b68decb62ddb5edb353e274421f3e484d7e7e39"` Sep 06 01:03:00.856 INFO kablam! usermod: no changes Sep 06 01:03:01.054 INFO kablam! Compiling difference v2.0.0 Sep 06 01:03:01.074 INFO kablam! Checking rundo_types v0.4.0 Sep 06 01:03:01.082 INFO kablam! Compiling syn v0.12.15 Sep 06 01:03:01.082 INFO kablam! Checking serde_json v1.0.26 Sep 06 01:03:07.334 INFO kablam! Checking bson v0.11.1 Sep 06 01:03:18.887 INFO kablam! Compiling rundo_attrs v0.4.0 Sep 06 01:03:21.770 INFO kablam! Checking rundo v0.4.0 (file:///source) Sep 06 01:03:22.350 INFO kablam! error[E0658]: procedural macros cannot expand to macro definitions (see issue #38356) Sep 06 01:03:22.350 INFO kablam! --> src/test.rs:10:5 Sep 06 01:03:22.350 INFO kablam! | Sep 06 01:03:22.350 INFO kablam! 10 | #[rundo] Sep 06 01:03:22.350 INFO kablam! | ^^^^^^^^ Sep 06 01:03:22.350 INFO kablam! | Sep 06 01:03:22.350 INFO kablam! = help: add #![feature(proc_macro_gen)] to the crate attributes to enable Sep 06 01:03:22.350 INFO kablam! Sep 06 01:03:22.365 INFO kablam! error: aborting due to previous error Sep 06 01:03:22.365 INFO kablam! Sep 06 01:03:22.365 INFO kablam! For more information about this error, try `rustc --explain E0658`. Sep 06 01:03:22.378 INFO kablam! error: Could not compile `rundo`. Sep 06 01:03:22.378 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 06 01:03:22.478 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable Sep 06 01:03:22.478 INFO kablam! --> src/lib.rs:127:12 Sep 06 01:03:22.478 INFO kablam! | Sep 06 01:03:22.478 INFO kablam! 127 | #![feature(proc_macro)] Sep 06 01:03:22.478 INFO kablam! | ^^^^^^^^^^ Sep 06 01:03:22.478 INFO kablam! | Sep 06 01:03:22.478 INFO kablam! = note: #[warn(stable_features)] on by default Sep 06 01:03:22.478 INFO kablam! Sep 06 01:03:22.502 INFO kablam! error: build failed Sep 06 01:03:22.506 INFO kablam! su: No module specific data is present Sep 06 01:03:23.377 INFO running `"docker" "rm" "-f" "fa4ef78596ff43ad9d2e69b27b68decb62ddb5edb353e274421f3e484d7e7e39"` Sep 06 01:03:23.483 INFO blam! fa4ef78596ff43ad9d2e69b27b68decb62ddb5edb353e274421f3e484d7e7e39