Aug 17 06:26:26.208 INFO checking wbg-rand-0.4.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 06:26:26.209 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 06:26:26.209 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 06:26:26.209 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-0/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 06:26:26.488 INFO blam! 9c0715100115f203346fa7bd60cc4ca135020764b8624018e6d91c7a4a72917a
Aug 17 06:26:26.489 INFO running `"docker" "start" "-a" "9c0715100115f203346fa7bd60cc4ca135020764b8624018e6d91c7a4a72917a"`
Aug 17 06:26:27.615 INFO kablam!    Compiling proc-macro2 v0.4.12
Aug 17 06:26:27.619 INFO kablam!    Compiling wasm-bindgen-shared v0.2.16
Aug 17 06:26:38.527 INFO kablam!    Compiling quote v0.6.6
Aug 17 06:26:41.359 INFO kablam!    Compiling syn v0.14.8
Aug 17 06:27:19.973 INFO kablam!    Compiling serde_derive v1.0.71
Aug 17 06:28:08.446 INFO kablam!    Compiling wasm-bindgen-backend v0.2.16
Aug 17 06:28:27.011 INFO kablam!    Compiling wasm-bindgen-macro-support v0.2.16
Aug 17 06:28:39.535 INFO kablam!    Compiling wasm-bindgen-macro v0.2.16
Aug 17 06:28:42.903 INFO kablam!     Checking wasm-bindgen v0.2.16
Aug 17 06:28:46.207 INFO kablam!     Checking wbg-rand v0.4.0 (file:///source)
Aug 17 06:28:46.807 INFO kablam! error[E0658]: attribute procedural macros are experimental (see issue #35896)
Aug 17 06:28:46.807 INFO kablam!   --> src/lib.rs:28:1
Aug 17 06:28:46.807 INFO kablam!    |
Aug 17 06:28:46.807 INFO kablam! 17 | use wasm_bindgen::prelude::*;
Aug 17 06:28:46.807 INFO kablam!    |     ------------------------ procedural macro imported here
Aug 17 06:28:46.807 INFO kablam! ...
Aug 17 06:28:46.807 INFO kablam! 28 | #[wasm_bindgen]
Aug 17 06:28:46.807 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 17 06:28:46.807 INFO kablam!    |
Aug 17 06:28:46.807 INFO kablam!    = help: add #![feature(use_extern_macros)] to the crate attributes to enable
Aug 17 06:28:46.807 INFO kablam! 
Aug 17 06:28:46.808 INFO kablam! error[E0658]: The attribute `wasm_bindgen` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 17 06:28:46.808 INFO kablam!   --> src/lib.rs:30:5
Aug 17 06:28:46.808 INFO kablam!    |
Aug 17 06:28:46.808 INFO kablam! 30 |     #[wasm_bindgen(js_namespace = Math)]
Aug 17 06:28:46.808 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 06:28:46.808 INFO kablam!    |
Aug 17 06:28:46.809 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 17 06:28:46.809 INFO kablam! 
Aug 17 06:28:46.809 INFO kablam! error: expected unsuffixed literal or identifier, found Math
Aug 17 06:28:46.809 INFO kablam!   --> src/lib.rs:30:20
Aug 17 06:28:46.809 INFO kablam!    |
Aug 17 06:28:46.809 INFO kablam! 30 |     #[wasm_bindgen(js_namespace = Math)]
Aug 17 06:28:46.809 INFO kablam!    |                    ^^^^^^^^^^^^
Aug 17 06:28:46.809 INFO kablam!    |
Aug 17 06:28:46.809 INFO kablam!    = help: try enabling `#![feature(unrestricted_attribute_tokens)]`
Aug 17 06:28:46.809 INFO kablam! 
Aug 17 06:28:46.809 INFO kablam! error: aborting due to 3 previous errors
Aug 17 06:28:46.809 INFO kablam! 
Aug 17 06:28:46.810 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 06:28:46.818 INFO kablam! error: Could not compile `wbg-rand`.
Aug 17 06:28:46.818 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 06:28:46.914 INFO kablam! error[E0658]: attribute procedural macros are experimental (see issue #35896)
Aug 17 06:28:46.914 INFO kablam!   --> src/lib.rs:28:1
Aug 17 06:28:46.914 INFO kablam!    |
Aug 17 06:28:46.914 INFO kablam! 17 | use wasm_bindgen::prelude::*;
Aug 17 06:28:46.914 INFO kablam!    |     ------------------------ procedural macro imported here
Aug 17 06:28:46.914 INFO kablam! ...
Aug 17 06:28:46.914 INFO kablam! 28 | #[wasm_bindgen]
Aug 17 06:28:46.915 INFO kablam!    | ^^^^^^^^^^^^^^^
Aug 17 06:28:46.915 INFO kablam!    |
Aug 17 06:28:46.915 INFO kablam!    = help: add #![feature(use_extern_macros)] to the crate attributes to enable
Aug 17 06:28:46.915 INFO kablam! 
Aug 17 06:28:46.915 INFO kablam! error[E0658]: The attribute `wasm_bindgen` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Aug 17 06:28:46.915 INFO kablam!   --> src/lib.rs:30:5
Aug 17 06:28:46.915 INFO kablam!    |
Aug 17 06:28:46.916 INFO kablam! 30 |     #[wasm_bindgen(js_namespace = Math)]
Aug 17 06:28:46.916 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 17 06:28:46.916 INFO kablam!    |
Aug 17 06:28:46.916 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 17 06:28:46.916 INFO kablam! 
Aug 17 06:28:46.916 INFO kablam! error: expected unsuffixed literal or identifier, found Math
Aug 17 06:28:46.916 INFO kablam!   --> src/lib.rs:30:20
Aug 17 06:28:46.916 INFO kablam!    |
Aug 17 06:28:46.916 INFO kablam! 30 |     #[wasm_bindgen(js_namespace = Math)]
Aug 17 06:28:46.916 INFO kablam!    |                    ^^^^^^^^^^^^
Aug 17 06:28:46.916 INFO kablam!    |
Aug 17 06:28:46.916 INFO kablam!    = help: try enabling `#![feature(unrestricted_attribute_tokens)]`
Aug 17 06:28:46.916 INFO kablam! 
Aug 17 06:28:46.916 INFO kablam! error: aborting due to 3 previous errors
Aug 17 06:28:46.916 INFO kablam! 
Aug 17 06:28:46.916 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 17 06:28:46.935 INFO kablam! error: Could not compile `wbg-rand`.
Aug 17 06:28:46.935 INFO kablam! 
Aug 17 06:28:46.935 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 06:28:46.937 INFO kablam! su: No module specific data is present
Aug 17 06:28:47.506 INFO running `"docker" "rm" "-f" "9c0715100115f203346fa7bd60cc4ca135020764b8624018e6d91c7a4a72917a"`
Aug 17 06:28:47.666 INFO blam! 9c0715100115f203346fa7bd60cc4ca135020764b8624018e6d91c7a4a72917a