Jul 12 04:14:29.166 INFO checking missing_mpl-0.1.1 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 04:14:29.166 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:14:29.166 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 04:14:29.167 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-5/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 04:14:29.442 INFO blam! b664720382b4d6db0d0ffc31443cf4eaea56c922e18874b2e6cbd654d64b3540
Jul 12 04:14:29.446 INFO running `"docker" "start" "-a" "b664720382b4d6db0d0ffc31443cf4eaea56c922e18874b2e6cbd654d64b3540"`
Jul 12 04:14:30.599 INFO kablam!     Checking missing_mpl v0.1.1 (file:///source)
Jul 12 04:14:34.939 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:34.939 INFO kablam!  --> <declare_lint macros>:6:37
Jul 12 04:14:34.939 INFO kablam!   |
Jul 12 04:14:34.939 INFO kablam! 6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
Jul 12 04:14:34.939 INFO kablam!   |                                     ^^^^^
Jul 12 04:14:34.939 INFO kablam!   |
Jul 12 04:14:34.939 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:34.939 INFO kablam! 
Jul 12 04:14:34.939 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:34.939 INFO kablam!  --> <lint_array macros>:1:29
Jul 12 04:14:34.939 INFO kablam!   |
Jul 12 04:14:34.939 INFO kablam! 1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => { { vec ! [ $ ( $ lint ) , * ] } }
Jul 12 04:14:34.939 INFO kablam!   |                             ^^^^^
Jul 12 04:14:34.939 INFO kablam!   |
Jul 12 04:14:34.940 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:34.940 INFO kablam! 
Jul 12 04:14:34.943 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:34.943 INFO kablam!  --> <declare_lint macros>:6:37
Jul 12 04:14:34.943 INFO kablam!   |
Jul 12 04:14:34.943 INFO kablam! 6 | : expr => $ edition_level : ident $ ( , ) ? ) => (
Jul 12 04:14:34.943 INFO kablam!   |                                     ^^^^^
Jul 12 04:14:34.943 INFO kablam! error: aborting due to 2 previous errors
Jul 12 04:14:34.943 INFO kablam! 
Jul 12 04:14:34.943 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 04:14:34.944 INFO kablam!   |
Jul 12 04:14:34.944 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:34.944 INFO kablam! 
Jul 12 04:14:34.945 INFO kablam! error[E0658]: using the `?` macro Kleene operator for "at most one" repetition is unstable (see issue #48075)
Jul 12 04:14:34.945 INFO kablam!  --> <lint_array macros>:1:29
Jul 12 04:14:34.945 INFO kablam!   |
Jul 12 04:14:34.945 INFO kablam! 1 | ( $ ( $ lint : expr ) , * $ ( , ) ? ) => { { vec ! [ $ ( $ lint ) , * ] } }
Jul 12 04:14:34.945 INFO kablam!   |                             ^^^^^
Jul 12 04:14:34.946 INFO kablam!   |
Jul 12 04:14:34.946 INFO kablam!   = help: add #![feature(macro_at_most_once_rep)] to the crate attributes to enable
Jul 12 04:14:34.946 INFO kablam! 
Jul 12 04:14:34.948 INFO kablam! error: aborting due to 2 previous errors
Jul 12 04:14:34.948 INFO kablam! 
Jul 12 04:14:34.949 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 04:14:34.965 INFO kablam! error: Could not compile `missing_mpl`.
Jul 12 04:14:34.966 INFO kablam! warning: build failed, waiting for other jobs to finish...
Jul 12 04:14:34.968 INFO kablam! error: Could not compile `missing_mpl`.
Jul 12 04:14:34.968 INFO kablam! 
Jul 12 04:14:34.968 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 04:14:34.970 INFO kablam! su: No module specific data is present
Jul 12 04:14:35.725 INFO running `"docker" "rm" "-f" "b664720382b4d6db0d0ffc31443cf4eaea56c922e18874b2e6cbd654d64b3540"`
Jul 12 04:14:35.908 INFO blam! b664720382b4d6db0d0ffc31443cf4eaea56c922e18874b2e6cbd654d64b3540