Jul 12 04:34:22.408 INFO checking maud-0.17.5 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 04:34:22.408 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:34:22.408 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:34:22.408 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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=500" "-e" "CMD=cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 04:34:22.608 INFO blam! 4dfdeb4e1dd9132b6cf528e61911ca65c9b4741c97e17c97949ce92c8c63b440
Jul 12 04:34:22.610 INFO running `"docker" "start" "-a" "4dfdeb4e1dd9132b6cf528e61911ca65c9b4741c97e17c97949ce92c8c63b440"`
Jul 12 04:34:24.171 INFO kablam!    Compiling literalext v0.1.1
Jul 12 04:34:24.171 INFO kablam!    Compiling maud_htmlescape v0.17.0
Jul 12 04:34:24.180 INFO kablam!    Compiling if_chain v0.1.2
Jul 12 04:34:24.562 INFO kablam!    Compiling maud_lints v0.17.4
Jul 12 04:34:28.223 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:34:28.223 INFO kablam!  --> <declare_lint macros>:6:37
Jul 12 04:34:28.223 INFO kablam!   |
Jul 12 04:34:28.223 INFO kablam! 6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
Jul 12 04:34:28.223 INFO kablam!   |                                     ^^^^^
Jul 12 04:34:28.223 INFO kablam!   |
Jul 12 04:34:28.223 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:34:28.223 INFO kablam! 
Jul 12 04:34:28.229 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:34:28.229 INFO kablam!  --> <lint_array macros>:1:29
Jul 12 04:34:28.229 INFO kablam!   |
Jul 12 04:34:28.229 INFO kablam! 1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => { { vec ! [ $ ( $ lint ) , * ] } }
Jul 12 04:34:28.229 INFO kablam!   |                             ^^^^^
Jul 12 04:34:28.229 INFO kablam!   |
Jul 12 04:34:28.229 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:34:28.229 INFO kablam! 
Jul 12 04:34:28.251 INFO kablam! error: aborting due to 2 previous errors
Jul 12 04:34:28.266 INFO kablam! 
Jul 12 04:34:28.267 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 04:34:28.280 INFO kablam! error: Could not compile `maud_lints`.
Jul 12 04:34:28.281 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 04:34:29.573 INFO kablam! error: build failed
Jul 12 04:34:29.576 INFO kablam! su: No module specific data is present
Jul 12 04:34:30.074 INFO running `"docker" "rm" "-f" "4dfdeb4e1dd9132b6cf528e61911ca65c9b4741c97e17c97949ce92c8c63b440"`
Jul 12 04:34:30.240 INFO blam! 4dfdeb4e1dd9132b6cf528e61911ca65c9b4741c97e17c97949ce92c8c63b440