Nov 28 20:34:46.720 INFO checking plex-0.2.3 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 20:34:46.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 20:34:47.146 INFO [stdout] 2a62b80a2c108d5e90ce2dced4d808c679fd809a134a8e5eb32df32455e2942f
Nov 28 20:34:47.150 INFO running `"docker" "start" "-a" "2a62b80a2c108d5e90ce2dced4d808c679fd809a134a8e5eb32df32455e2942f"`
Nov 28 20:34:48.345 INFO [stderr] usermod: no changes
Nov 28 20:34:48.448 INFO [stderr]    Compiling bit-vec v0.4.4
Nov 28 20:34:48.449 INFO [stderr]    Compiling vec_map v0.6.0
Nov 28 20:34:48.449 INFO [stderr]    Compiling lalr v0.0.2
Nov 28 20:34:48.464 INFO [stderr]     Checking redfa v0.0.2
Nov 28 20:34:51.048 INFO [stderr]     Checking plex v0.2.3 (/source)
Nov 28 20:34:51.373 INFO [stderr]    Compiling bit-set v0.4.0
Nov 28 20:35:20.935 INFO [stderr] error[E0557]: feature has been removed
Nov 28 20:35:20.936 INFO [stderr]  --> examples/demo.rs:1:12
Nov 28 20:35:20.936 INFO [stderr]   |
Nov 28 20:35:20.937 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 28 20:35:20.937 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 28 20:35:20.938 INFO [stderr]   |
Nov 28 20:35:20.938 INFO [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
Nov 28 20:35:20.939 INFO [stderr]  --> examples/demo.rs:1:12
Nov 28 20:35:20.940 INFO [stderr]   |
Nov 28 20:35:20.940 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 28 20:35:20.941 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 28 20:35:20.941 INFO [stderr] 
Nov 28 20:35:21.500 INFO [stderr] error[E0658]: procedural macros cannot expand to macro definitions (see issue #54727)
Nov 28 20:35:21.501 INFO [stderr]    --> examples/demo.rs:142:5
Nov 28 20:35:21.502 INFO [stderr]     |
Nov 28 20:35:21.502 INFO [stderr] 142 | /     parser! {
Nov 28 20:35:21.503 INFO [stderr] 143 | |         fn parse_(Token, Span);
Nov 28 20:35:21.504 INFO [stderr] 144 | |
Nov 28 20:35:21.504 INFO [stderr] 145 | |         // combine two spans
Nov 28 20:35:21.505 INFO [stderr] ...   |
Nov 28 20:35:21.505 INFO [stderr] 212 | |         }
Nov 28 20:35:21.506 INFO [stderr] 213 | |     }
Nov 28 20:35:21.507 INFO [stderr]     | |_____^
Nov 28 20:35:21.507 INFO [stderr]     |
Nov 28 20:35:21.508 INFO [stderr]     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Nov 28 20:35:21.508 INFO [stderr] 
Nov 28 20:35:21.513 INFO [stderr] error: aborting due to 2 previous errors
Nov 28 20:35:21.514 INFO [stderr] 
Nov 28 20:35:21.514 INFO [stderr] Some errors occurred: E0557, E0658.
Nov 28 20:35:21.515 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Nov 28 20:35:21.524 INFO [stderr] error: Could not compile `plex`.
Nov 28 20:35:21.524 INFO [stderr] 
Nov 28 20:35:21.524 INFO [stderr] To learn more, run the command again with --verbose.
Nov 28 20:35:21.527 INFO [stderr] su: No module specific data is present
Nov 28 20:35:22.988 INFO running `"docker" "inspect" "2a62b80a2c108d5e90ce2dced4d808c679fd809a134a8e5eb32df32455e2942f"`
Nov 28 20:35:23.362 INFO running `"docker" "rm" "-f" "2a62b80a2c108d5e90ce2dced4d808c679fd809a134a8e5eb32df32455e2942f"`
Nov 28 20:35:23.737 INFO [stdout] 2a62b80a2c108d5e90ce2dced4d808c679fd809a134a8e5eb32df32455e2942f