Sep 03 23:23:37.148 INFO checking usermode-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 23:23:37.148 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 23:23:37.148 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 23:23:37.309 INFO blam! 8e6cc3e4777d6668056f88f3ef9c7efcec74a191eb8a7de4d926c8fbe2b534a0
Sep 03 23:23:37.311 INFO running `"docker" "start" "-a" "8e6cc3e4777d6668056f88f3ef9c7efcec74a191eb8a7de4d926c8fbe2b534a0"`
Sep 03 23:23:38.071 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Sep 03 23:23:38.136 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)
Sep 03 23:23:38.136 INFO kablam!  --> src/raw.rs:3:3
Sep 03 23:23:38.136 INFO kablam!   |
Sep 03 23:23:38.136 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 03 23:23:38.136 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 03 23:23:38.136 INFO kablam!   |
Sep 03 23:23:38.136 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 23:23:38.136 INFO kablam! 
Sep 03 23:23:38.136 INFO kablam! error: aborting due to previous error
Sep 03 23:23:38.136 INFO kablam! 
Sep 03 23:23:38.136 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 03 23:23:38.140 INFO kablam! error: Could not compile `usermode`.
Sep 03 23:23:38.140 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 03 23:23:38.143 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)
Sep 03 23:23:38.143 INFO kablam!  --> src/raw.rs:3:3
Sep 03 23:23:38.143 INFO kablam!   |
Sep 03 23:23:38.143 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 03 23:23:38.143 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 03 23:23:38.143 INFO kablam!   |
Sep 03 23:23:38.143 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 23:23:38.143 INFO kablam! 
Sep 03 23:23:38.143 INFO kablam! error: aborting due to previous error
Sep 03 23:23:38.143 INFO kablam! 
Sep 03 23:23:38.143 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 03 23:23:38.148 INFO kablam! error: Could not compile `usermode`.
Sep 03 23:23:38.148 INFO kablam! 
Sep 03 23:23:38.148 INFO kablam! To learn more, run the command again with --verbose.
Sep 03 23:23:38.149 INFO kablam! su: No module specific data is present
Sep 03 23:23:38.524 INFO running `"docker" "rm" "-f" "8e6cc3e4777d6668056f88f3ef9c7efcec74a191eb8a7de4d926c8fbe2b534a0"`
Sep 03 23:23:38.638 INFO blam! 8e6cc3e4777d6668056f88f3ef9c7efcec74a191eb8a7de4d926c8fbe2b534a0