Sep 10 07:01:36.360 INFO checking usermode-0.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:01:36.360 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:01:36.360 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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=1000" "-e" "CMD=cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:01:36.503 INFO blam! ff9b70d6342588198be51f38f6869cc02989c41b862adc948f4a57a2eafb2ee2
Sep 10 07:01:36.504 INFO running `"docker" "start" "-a" "ff9b70d6342588198be51f38f6869cc02989c41b862adc948f4a57a2eafb2ee2"`
Sep 10 07:01:37.915 INFO kablam! usermod: no changes
Sep 10 07:01:37.940 INFO kablam!     Checking usermode v0.1.0 (file:///source)
Sep 10 07:01:37.982 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 10 07:01:37.982 INFO kablam!  --> src/raw.rs:3:3
Sep 10 07:01:37.982 INFO kablam!   |
Sep 10 07:01:37.982 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 10 07:01:37.982 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 10 07:01:37.982 INFO kablam!   |
Sep 10 07:01:37.982 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:01:37.982 INFO kablam! 
Sep 10 07:01:37.982 INFO kablam! error: aborting due to previous error
Sep 10 07:01:37.982 INFO kablam! 
Sep 10 07:01:37.982 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 07:01:37.985 INFO kablam! error: Could not compile `usermode`.
Sep 10 07:01:37.985 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 07:01:37.991 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 10 07:01:37.991 INFO kablam!  --> src/raw.rs:3:3
Sep 10 07:01:37.991 INFO kablam!   |
Sep 10 07:01:37.991 INFO kablam! 3 | #[wasm_import_module = "hexagon_e"]
Sep 10 07:01:37.991 INFO kablam!   |   ^^^^^^^^^^^^^^^^^^
Sep 10 07:01:37.991 INFO kablam!   |
Sep 10 07:01:37.991 INFO kablam!   = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 10 07:01:37.991 INFO kablam! 
Sep 10 07:01:37.991 INFO kablam! error: aborting due to previous error
Sep 10 07:01:37.991 INFO kablam! 
Sep 10 07:01:37.991 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 10 07:01:37.995 INFO kablam! error: Could not compile `usermode`.
Sep 10 07:01:37.995 INFO kablam! 
Sep 10 07:01:37.995 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:01:37.996 INFO kablam! su: No module specific data is present
Sep 10 07:01:38.598 INFO running `"docker" "rm" "-f" "ff9b70d6342588198be51f38f6869cc02989c41b862adc948f4a57a2eafb2ee2"`
Sep 10 07:01:38.658 INFO blam! ff9b70d6342588198be51f38f6869cc02989c41b862adc948f4a57a2eafb2ee2