Nov 30 18:01:24.564 INFO checking plex-0.2.3 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 18:01:24.564 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 18:01:24.862 INFO [stdout] 13d44dad7f7776ada0b1766dc705f2990b662de42b7cb5bc72a06f7486ad7aaa
Nov 30 18:01:24.870 INFO running `"docker" "start" "-a" "13d44dad7f7776ada0b1766dc705f2990b662de42b7cb5bc72a06f7486ad7aaa"`
Nov 30 18:01:26.259 INFO [stderr] usermod: no changes
Nov 30 18:01:26.392 INFO [stderr]    Compiling vec_map v0.6.0
Nov 30 18:01:26.392 INFO [stderr]    Compiling lalr v0.0.2
Nov 30 18:01:26.392 INFO [stderr]     Checking redfa v0.0.2
Nov 30 18:01:26.392 INFO [stderr]    Compiling syn v0.14.9
Nov 30 18:01:43.670 INFO [stderr]     Checking plex v0.2.3 (/source)
Nov 30 18:02:21.802 INFO [stderr] error[E0557]: feature has been removed
Nov 30 18:02:21.802 INFO [stderr]  --> examples/demo.rs:1:12
Nov 30 18:02:21.802 INFO [stderr]   |
Nov 30 18:02:21.802 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 30 18:02:21.802 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 30 18:02:21.802 INFO [stderr]   |
Nov 30 18:02:21.802 INFO [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
Nov 30 18:02:21.802 INFO [stderr]  --> examples/demo.rs:1:12
Nov 30 18:02:21.802 INFO [stderr]   |
Nov 30 18:02:21.802 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 30 18:02:21.802 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 30 18:02:21.802 INFO [stderr] 
Nov 30 18:02:22.340 INFO [stderr] error[E0658]: procedural macros cannot expand to macro definitions (see issue #54727)
Nov 30 18:02:22.340 INFO [stderr]    --> examples/demo.rs:142:5
Nov 30 18:02:22.340 INFO [stderr]     |
Nov 30 18:02:22.340 INFO [stderr] 142 | /     parser! {
Nov 30 18:02:22.340 INFO [stderr] 143 | |         fn parse_(Token, Span);
Nov 30 18:02:22.341 INFO [stderr] 144 | |
Nov 30 18:02:22.341 INFO [stderr] 145 | |         // combine two spans
Nov 30 18:02:22.341 INFO [stderr] ...   |
Nov 30 18:02:22.341 INFO [stderr] 212 | |         }
Nov 30 18:02:22.342 INFO [stderr] 213 | |     }
Nov 30 18:02:22.342 INFO [stderr]     | |_____^
Nov 30 18:02:22.342 INFO [stderr]     |
Nov 30 18:02:22.342 INFO [stderr]     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Nov 30 18:02:22.342 INFO [stderr] 
Nov 30 18:02:22.343 INFO [stderr] error: aborting due to 2 previous errors
Nov 30 18:02:22.343 INFO [stderr] 
Nov 30 18:02:22.344 INFO [stderr] Some errors occurred: E0557, E0658.
Nov 30 18:02:22.344 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Nov 30 18:02:22.351 INFO [stderr] error: Could not compile `plex`.
Nov 30 18:02:22.351 INFO [stderr] 
Nov 30 18:02:22.351 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 18:02:22.353 INFO [stderr] su: No module specific data is present
Nov 30 18:02:22.717 INFO running `"docker" "inspect" "13d44dad7f7776ada0b1766dc705f2990b662de42b7cb5bc72a06f7486ad7aaa"`
Nov 30 18:02:22.838 INFO running `"docker" "rm" "-f" "13d44dad7f7776ada0b1766dc705f2990b662de42b7cb5bc72a06f7486ad7aaa"`
Nov 30 18:02:23.000 INFO [stdout] 13d44dad7f7776ada0b1766dc705f2990b662de42b7cb5bc72a06f7486ad7aaa