Sep 01 20:04:58.388 INFO checking usermode-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 20:04:58.388 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:04:58.388 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:04:58.546 INFO blam! f495d0b4513b199a28fe7c751f70655acdf8fe65d0e9189c1207b5507fd9588b
Sep 01 20:04:58.548 INFO running `"docker" "start" "-a" "f495d0b4513b199a28fe7c751f70655acdf8fe65d0e9189c1207b5507fd9588b"`
Sep 01 20:04:59.121 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Sep 01 20:04:59.189 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 01 20:04:59.189 INFO kablam!  --> src/raw.rs:3:3
Sep 01 20:04:59.189 INFO kablam!   |
Sep 01 20:04:59.189 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 01 20:04:59.189 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 01 20:04:59.189 INFO kablam!   |
Sep 01 20:04:59.189 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 20:04:59.189 INFO kablam! 
Sep 01 20:04:59.189 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 01 20:04:59.189 INFO kablam!  --> src/raw.rs:3:3
Sep 01 20:04:59.189 INFO kablam!   |
Sep 01 20:04:59.189 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 01 20:04:59.190 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 01 20:04:59.190 INFO kablam!   |
Sep 01 20:04:59.190 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 20:04:59.190 INFO kablam! 
Sep 01 20:04:59.190 INFO kablam! error: aborting due to previous error
Sep 01 20:04:59.190 INFO kablam! 
Sep 01 20:04:59.190 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 20:04:59.190 INFO kablam! error: aborting due to previous error
Sep 01 20:04:59.190 INFO kablam! 
Sep 01 20:04:59.190 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 20:04:59.195 INFO kablam! error: Could not compile `usermode`.
Sep 01 20:04:59.195 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 20:04:59.196 INFO kablam! error: Could not compile `usermode`.
Sep 01 20:04:59.196 INFO kablam! 
Sep 01 20:04:59.196 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 20:04:59.197 INFO kablam! su: No module specific data is present
Sep 01 20:04:59.555 INFO running `"docker" "rm" "-f" "f495d0b4513b199a28fe7c751f70655acdf8fe65d0e9189c1207b5507fd9588b"`
Sep 01 20:04:59.660 INFO blam! f495d0b4513b199a28fe7c751f70655acdf8fe65d0e9189c1207b5507fd9588b