Aug 30 05:44:58.424 INFO checking rfcalcs-0.1.1 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 05:44:58.424 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 05:44:58.424 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 05:44:58.614 INFO blam! 32488c53bdae4e0427c717fe04d248f7fb4ca9b11bda835ca41c3d9dd71cf10b
Aug 30 05:44:58.616 INFO running `"docker" "start" "-a" "32488c53bdae4e0427c717fe04d248f7fb4ca9b11bda835ca41c3d9dd71cf10b"`
Aug 30 05:44:59.312 INFO kablam!     Checking rfcalcs v0.1.1 (file:///source)
Aug 30 05:44:59.379 INFO kablam! error[E0658]: attributes on expressions are experimental. (see issue #15701)
Aug 30 05:44:59.379 INFO kablam!   --> src/lib.rs:33:9
Aug 30 05:44:59.379 INFO kablam!    |
Aug 30 05:44:59.379 INFO kablam! 33 |         /// Test against precalculated results
Aug 30 05:44:59.379 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 30 05:44:59.379 INFO kablam!    |
Aug 30 05:44:59.379 INFO kablam!    = help: add #![feature(stmt_expr_attributes)] to the crate attributes to enable
Aug 30 05:44:59.379 INFO kablam!    = help: `///` is for documentation comments. For a plain comment, use `//`.
Aug 30 05:44:59.379 INFO kablam! 
Aug 30 05:44:59.771 INFO kablam! error: aborting due to previous error
Aug 30 05:44:59.771 INFO kablam! 
Aug 30 05:44:59.771 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 05:44:59.778 INFO kablam! error: Could not compile `rfcalcs`.
Aug 30 05:44:59.778 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 05:44:59.867 INFO kablam! warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Aug 30 05:44:59.867 INFO kablam!  --> src/lib.rs:1:12
Aug 30 05:44:59.867 INFO kablam!   |
Aug 30 05:44:59.867 INFO kablam! 1 | #![feature(use_extern_macros)]
Aug 30 05:44:59.867 INFO kablam!   |            ^^^^^^^^^^^^^^^^^
Aug 30 05:44:59.867 INFO kablam!   |
Aug 30 05:44:59.867 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 05:44:59.867 INFO kablam! 
Aug 30 05:44:59.921 INFO kablam! error: build failed
Aug 30 05:44:59.924 INFO kablam! su: No module specific data is present
Aug 30 05:45:00.407 INFO running `"docker" "rm" "-f" "32488c53bdae4e0427c717fe04d248f7fb4ca9b11bda835ca41c3d9dd71cf10b"`
Aug 30 05:45:00.554 INFO blam! 32488c53bdae4e0427c717fe04d248f7fb4ca9b11bda835ca41c3d9dd71cf10b