Jul 12 09:30:17.905 INFO checking fn_mut-0.1.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 09:30:17.905 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:30:17.905 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 09:30:17.905 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-0/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:30:18.087 INFO blam! 06c9cee22e30d8b7ff980869279cc07e4773dcac74a57982005f287a10eb1d72
Jul 12 09:30:18.090 INFO running `"docker" "start" "-a" "06c9cee22e30d8b7ff980869279cc07e4773dcac74a57982005f287a10eb1d72"`
Jul 12 09:30:19.038 INFO kablam!    Compiling libc v0.2.42
Jul 12 09:30:19.038 INFO kablam!     Checking lazy_static v0.2.11
Jul 12 09:30:23.685 INFO kablam!     Checking memchr v2.0.1
Jul 12 09:30:24.543 INFO kablam!     Checking aho-corasick v0.6.5
Jul 12 09:30:26.125 INFO kablam!     Checking regex v0.2.11
Jul 12 09:30:31.708 INFO kablam!     Checking fn_mut v0.1.0 (file:///source)
Jul 12 09:30:37.759 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:37.759 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:37.759 INFO kablam!     |
Jul 12 09:30:37.759 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:37.759 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:37.778 INFO kablam!     |
Jul 12 09:30:37.779 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:37.779 INFO kablam! 
Jul 12 09:30:38.174 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:38.174 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:38.174 INFO kablam!     |
Jul 12 09:30:38.174 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:38.174 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:38.175 INFO kablam!     |
Jul 12 09:30:38.175 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:38.176 INFO kablam! 
Jul 12 09:30:47.213 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:47.213 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:47.213 INFO kablam!     |
Jul 12 09:30:47.213 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:47.213 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:47.213 INFO kablam!     |
Jul 12 09:30:47.213 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:47.213 INFO kablam! 
Jul 12 09:30:53.574 INFO kablam! error[E0658]: procedural macros cannot expand to macro definitions (see issue #38356)
Jul 12 09:30:53.575 INFO kablam!  --> tests/basic.rs:8:5
Jul 12 09:30:53.575 INFO kablam!   |
Jul 12 09:30:53.575 INFO kablam! 8 |     #[fn_mut(enable_attrs = "text")]
Jul 12 09:30:53.575 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 09:30:53.575 INFO kablam!   |
Jul 12 09:30:53.575 INFO kablam!   = help: add #![feature(proc_macro_gen)] to the crate attributes to enable
Jul 12 09:30:53.575 INFO kablam! 
Jul 12 09:30:53.578 INFO kablam! error: aborting due to previous error
Jul 12 09:30:53.579 INFO kablam! 
Jul 12 09:30:53.579 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 09:30:53.588 INFO kablam! error: Could not compile `fn_mut`.
Jul 12 09:30:53.588 INFO kablam! 
Jul 12 09:30:53.588 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 09:30:53.590 INFO kablam! su: No module specific data is present
Jul 12 09:30:54.157 INFO running `"docker" "rm" "-f" "06c9cee22e30d8b7ff980869279cc07e4773dcac74a57982005f287a10eb1d72"`
Jul 12 09:30:54.302 INFO blam! 06c9cee22e30d8b7ff980869279cc07e4773dcac74a57982005f287a10eb1d72