Nov 30 18:01:29.269 INFO checking plex-0.2.3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 18:01:29.270 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 18:01:29.716 INFO [stdout] b7737c8b64917f4fc3fe6bc950a3cc5d0e82bbb4630503a8026f6cf381efab0b
Nov 30 18:01:29.724 INFO running `"docker" "start" "-a" "b7737c8b64917f4fc3fe6bc950a3cc5d0e82bbb4630503a8026f6cf381efab0b"`
Nov 30 18:01:31.237 INFO [stderr] usermod: no changes
Nov 30 18:01:31.448 INFO [stderr]    Compiling lalr v0.0.2
Nov 30 18:01:31.448 INFO [stderr]     Checking redfa v0.0.2
Nov 30 18:01:31.448 INFO [stderr]    Compiling syn v0.14.9
Nov 30 18:01:34.126 INFO [stderr]     Checking plex v0.2.3 (/source)
Nov 30 18:02:20.413 INFO [stderr] error[E0557]: feature has been removed
Nov 30 18:02:20.413 INFO [stderr]  --> examples/demo.rs:1:12
Nov 30 18:02:20.413 INFO [stderr]   |
Nov 30 18:02:20.413 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 30 18:02:20.413 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 30 18:02:20.413 INFO [stderr]   |
Nov 30 18:02:20.413 INFO [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
Nov 30 18:02:20.413 INFO [stderr]  --> examples/demo.rs:1:12
Nov 30 18:02:20.413 INFO [stderr]   |
Nov 30 18:02:20.413 INFO [stderr] 1 | #![feature(proc_macro_gen)]
Nov 30 18:02:20.413 INFO [stderr]   |            ^^^^^^^^^^^^^^
Nov 30 18:02:20.413 INFO [stderr] 
Nov 30 18:02:20.940 INFO [stderr] error[E0658]: procedural macros cannot expand to macro definitions (see issue #54727)
Nov 30 18:02:20.940 INFO [stderr]    --> examples/demo.rs:142:5
Nov 30 18:02:20.941 INFO [stderr]     |
Nov 30 18:02:20.941 INFO [stderr] 142 | /     parser! {
Nov 30 18:02:20.941 INFO [stderr] 143 | |         fn parse_(Token, Span);
Nov 30 18:02:20.941 INFO [stderr] 144 | |
Nov 30 18:02:20.942 INFO [stderr] 145 | |         // combine two spans
Nov 30 18:02:20.942 INFO [stderr] ...   |
Nov 30 18:02:20.942 INFO [stderr] 212 | |         }
Nov 30 18:02:20.942 INFO [stderr] 213 | |     }
Nov 30 18:02:20.943 INFO [stderr]     | |_____^
Nov 30 18:02:20.943 INFO [stderr]     |
Nov 30 18:02:20.943 INFO [stderr]     = help: add #![feature(proc_macro_hygiene)] to the crate attributes to enable
Nov 30 18:02:20.943 INFO [stderr] 
Nov 30 18:02:20.944 INFO [stderr] error: aborting due to 2 previous errors
Nov 30 18:02:20.944 INFO [stderr] 
Nov 30 18:02:20.944 INFO [stderr] Some errors occurred: E0557, E0658.
Nov 30 18:02:20.944 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Nov 30 18:02:20.952 INFO [stderr] error: Could not compile `plex`.
Nov 30 18:02:20.952 INFO [stderr] 
Nov 30 18:02:20.952 INFO [stderr] To learn more, run the command again with --verbose.
Nov 30 18:02:20.954 INFO [stderr] su: No module specific data is present
Nov 30 18:02:21.440 INFO running `"docker" "inspect" "b7737c8b64917f4fc3fe6bc950a3cc5d0e82bbb4630503a8026f6cf381efab0b"`
Nov 30 18:02:21.569 INFO running `"docker" "rm" "-f" "b7737c8b64917f4fc3fe6bc950a3cc5d0e82bbb4630503a8026f6cf381efab0b"`
Nov 30 18:02:21.679 INFO [stdout] b7737c8b64917f4fc3fe6bc950a3cc5d0e82bbb4630503a8026f6cf381efab0b