Aug 10 22:58:28.723 INFO checking usermode-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 22:58:28.723 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 22:58:28.723 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 22:58:28.723 INFO running `"docker" "create" "-v" "/tmp/crater.n2YaIHMLz7W6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 22:58:28.926 INFO blam! 678bdc9624bf338125039d1ba34698d0d211f925ae1164b30d613e5c2b97355d
Aug 10 22:58:28.928 INFO running `"docker" "start" "-a" "678bdc9624bf338125039d1ba34698d0d211f925ae1164b30d613e5c2b97355d"`
Aug 10 22:58:30.033 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Aug 10 22:58:30.150 INFO kablam! error[E0658]: The attribute `wasm_import_module` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 10 22:58:30.150 INFO kablam!  --> src/raw.rs:3:1
Aug 10 22:58:30.150 INFO kablam!   |
Aug 10 22:58:30.150 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 10 22:58:30.150 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 22:58:30.154 INFO kablam!   |
Aug 10 22:58:30.155 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 10 22:58:30.155 INFO kablam! 
Aug 10 22:58:30.155 INFO kablam! error: aborting due to previous error
Aug 10 22:58:30.155 INFO kablam! 
Aug 10 22:58:30.155 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 10 22:58:30.156 INFO kablam! error: Could not compile `usermode`.
Aug 10 22:58:30.156 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 22:58:30.266 INFO kablam! error[E0658]: The attribute `wasm_import_module` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 10 22:58:30.266 INFO kablam!  --> src/raw.rs:3:1
Aug 10 22:58:30.266 INFO kablam!   |
Aug 10 22:58:30.266 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 10 22:58:30.266 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 10 22:58:30.266 INFO kablam!   |
Aug 10 22:58:30.266 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 10 22:58:30.266 INFO kablam! 
Aug 10 22:58:30.267 INFO kablam! error: aborting due to previous error
Aug 10 22:58:30.267 INFO kablam! 
Aug 10 22:58:30.267 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 10 22:58:30.271 INFO kablam! error: Could not compile `usermode`.
Aug 10 22:58:30.271 INFO kablam! 
Aug 10 22:58:30.271 INFO kablam! To learn more, run the command again with --verbose.
Aug 10 22:58:30.272 INFO kablam! su: No module specific data is present
Aug 10 22:58:31.335 INFO running `"docker" "rm" "-f" "678bdc9624bf338125039d1ba34698d0d211f925ae1164b30d613e5c2b97355d"`
Aug 10 22:58:31.450 INFO blam! 678bdc9624bf338125039d1ba34698d0d211f925ae1164b30d613e5c2b97355d