Aug 31 09:54:46.663 INFO checking usermode-0.1.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 09:54:46.663 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 09:54:46.663 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 09:54:46.814 INFO blam! 31d5e3f3a51888503d80dbfecc66ebfa7341cfc1afa3d6078d5b65f977a0f8fb
Aug 31 09:54:46.815 INFO running `"docker" "start" "-a" "31d5e3f3a51888503d80dbfecc66ebfa7341cfc1afa3d6078d5b65f977a0f8fb"`
Aug 31 09:54:47.603 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Aug 31 09:54:47.669 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 31 09:54:47.669 INFO kablam!  --> src/raw.rs:3:3
Aug 31 09:54:47.669 INFO kablam!   |
Aug 31 09:54:47.669 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 31 09:54:47.670 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Aug 31 09:54:47.670 INFO kablam!   |
Aug 31 09:54:47.670 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 09:54:47.670 INFO kablam! 
Aug 31 09:54:47.670 INFO kablam! error: aborting due to previous error
Aug 31 09:54:47.670 INFO kablam! 
Aug 31 09:54:47.670 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 09:54:47.672 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 31 09:54:47.672 INFO kablam!  --> src/raw.rs:3:3
Aug 31 09:54:47.672 INFO kablam!   |
Aug 31 09:54:47.672 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 31 09:54:47.672 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Aug 31 09:54:47.672 INFO kablam!   |
Aug 31 09:54:47.672 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 09:54:47.672 INFO kablam! 
Aug 31 09:54:47.672 INFO kablam! error: aborting due to previous error
Aug 31 09:54:47.672 INFO kablam! 
Aug 31 09:54:47.672 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 09:54:47.674 INFO kablam! error: Could not compile `usermode`.
Aug 31 09:54:47.674 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 09:54:47.675 INFO kablam! error: Could not compile `usermode`.
Aug 31 09:54:47.675 INFO kablam! 
Aug 31 09:54:47.675 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 09:54:47.676 INFO kablam! su: No module specific data is present
Aug 31 09:54:48.117 INFO running `"docker" "rm" "-f" "31d5e3f3a51888503d80dbfecc66ebfa7341cfc1afa3d6078d5b65f977a0f8fb"`
Aug 31 09:54:48.218 INFO blam! 31d5e3f3a51888503d80dbfecc66ebfa7341cfc1afa3d6078d5b65f977a0f8fb