Aug 17 07:14:44.938 INFO checking usermode-0.1.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 07:14:44.938 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 07:14:44.938 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 07:14:44.938 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 07:14:45.154 INFO blam! 8baad75de7dd607b6ace4856cf44bc10aae8e5564bccb753ada1adf1e3d7f2d5
Aug 17 07:14:45.156 INFO running `"docker" "start" "-a" "8baad75de7dd607b6ace4856cf44bc10aae8e5564bccb753ada1adf1e3d7f2d5"`
Aug 17 07:14:46.059 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Aug 17 07:14:46.147 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 17 07:14:46.147 INFO kablam!  --> src/raw.rs:3:1
Aug 17 07:14:46.147 INFO kablam!   |
Aug 17 07:14:46.148 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 17 07:14:46.148 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 07:14:46.148 INFO kablam!   |
Aug 17 07:14:46.148 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 17 07:14:46.148 INFO kablam! 
Aug 17 07:14:46.148 INFO kablam! error: aborting due to previous error
Aug 17 07:14:46.148 INFO kablam! 
Aug 17 07:14:46.148 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 07:14:46.156 INFO kablam! error: Could not compile `usermode`.
Aug 17 07:14:46.156 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 07:14:46.298 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 17 07:14:46.298 INFO kablam!  --> src/raw.rs:3:1
Aug 17 07:14:46.298 INFO kablam!   |
Aug 17 07:14:46.298 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Aug 17 07:14:46.298 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 07:14:46.298 INFO kablam!   |
Aug 17 07:14:46.298 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 17 07:14:46.298 INFO kablam! 
Aug 17 07:14:46.298 INFO kablam! error: aborting due to previous error
Aug 17 07:14:46.298 INFO kablam! 
Aug 17 07:14:46.298 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 07:14:46.304 INFO kablam! error: Could not compile `usermode`.
Aug 17 07:14:46.304 INFO kablam! 
Aug 17 07:14:46.304 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 07:14:46.306 INFO kablam! su: No module specific data is present
Aug 17 07:14:46.862 INFO running `"docker" "rm" "-f" "8baad75de7dd607b6ace4856cf44bc10aae8e5564bccb753ada1adf1e3d7f2d5"`
Aug 17 07:14:47.048 INFO blam! 8baad75de7dd607b6ace4856cf44bc10aae8e5564bccb753ada1adf1e3d7f2d5