Jul 12 04:14:31.287 INFO checking missing_mpl-0.1.1 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 04:14:31.287 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:14:31.287 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 04:14:31.287 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/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 04:14:31.557 INFO blam! 0ded3cd4f76ee7226537cd38aa4e6effc4fde03d046284bd8f1b176b4892f39c
Jul 12 04:14:31.558 INFO running `"docker" "start" "-a" "0ded3cd4f76ee7226537cd38aa4e6effc4fde03d046284bd8f1b176b4892f39c"`
Jul 12 04:14:32.904 INFO kablam!     Checking missing_mpl v0.1.1 (file:///source)
Jul 12 04:14:36.787 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:36.787 INFO kablam!  --> <declare_lint macros>:6:37
Jul 12 04:14:36.787 INFO kablam!   |
Jul 12 04:14:36.788 INFO kablam! 6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
Jul 12 04:14:36.788 INFO kablam!   |                                     ^^^^^
Jul 12 04:14:36.788 INFO kablam!   |
Jul 12 04:14:36.788 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:36.788 INFO kablam! 
Jul 12 04:14:36.789 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:36.789 INFO kablam!  --> <lint_array macros>:1:29
Jul 12 04:14:36.789 INFO kablam!   |
Jul 12 04:14:36.789 INFO kablam! 1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => { { vec ! [ $ ( $ lint ) , * ] } }
Jul 12 04:14:36.789 INFO kablam!   |                             ^^^^^
Jul 12 04:14:36.789 INFO kablam!   |
Jul 12 04:14:36.789 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:36.789 INFO kablam! 
Jul 12 04:14:36.793 INFO kablam! error: aborting due to 2 previous errors
Jul 12 04:14:36.793 INFO kablam! 
Jul 12 04:14:36.794 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 04:14:36.807 INFO kablam! error: Could not compile `missing_mpl`.
Jul 12 04:14:36.808 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 04:14:36.830 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:36.830 INFO kablam!  --> <declare_lint macros>:6:37
Jul 12 04:14:36.830 INFO kablam!   |
Jul 12 04:14:36.830 INFO kablam! 6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
Jul 12 04:14:36.830 INFO kablam!   |                                     ^^^^^
Jul 12 04:14:36.830 INFO kablam!   |
Jul 12 04:14:36.830 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:36.831 INFO kablam! 
Jul 12 04:14:36.831 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:36.831 INFO kablam!  --> <lint_array macros>:1:29
Jul 12 04:14:36.831 INFO kablam!   |
Jul 12 04:14:36.831 INFO kablam! 1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => { { vec ! [ $ ( $ lint ) , * ] } }
Jul 12 04:14:36.831 INFO kablam!   |                             ^^^^^
Jul 12 04:14:36.831 INFO kablam!   |
Jul 12 04:14:36.831 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:36.831 INFO kablam! 
Jul 12 04:14:36.832 INFO kablam! error: aborting due to 2 previous errors
Jul 12 04:14:36.832 INFO kablam! 
Jul 12 04:14:36.832 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 04:14:36.851 INFO kablam! error: Could not compile `missing_mpl`.
Jul 12 04:14:36.851 INFO kablam! 
Jul 12 04:14:36.851 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 04:14:36.852 INFO kablam! su: No module specific data is present
Jul 12 04:14:37.411 INFO running `"docker" "rm" "-f" "0ded3cd4f76ee7226537cd38aa4e6effc4fde03d046284bd8f1b176b4892f39c"`
Jul 12 04:14:37.605 INFO blam! 0ded3cd4f76ee7226537cd38aa4e6effc4fde03d046284bd8f1b176b4892f39c