Jul 12 09:30:17.659 INFO checking fn_mut-0.1.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 09:30:17.659 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:30:17.659 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:30:17.660 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-1/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:30:17.842 INFO blam! 4f8e545f379bb26da1eea7eecb3d206b39c6c72d02ab9852fb24a980ebeca545
Jul 12 09:30:17.845 INFO running `"docker" "start" "-a" "4f8e545f379bb26da1eea7eecb3d206b39c6c72d02ab9852fb24a980ebeca545"`
Jul 12 09:30:18.778 INFO kablam!    Compiling libc v0.2.42
Jul 12 09:30:18.788 INFO kablam!     Checking fn_mut v0.1.0 (file:///source)
Jul 12 09:30:23.469 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:23.470 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:23.470 INFO kablam!     |
Jul 12 09:30:23.470 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:23.470 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:23.470 INFO kablam!     |
Jul 12 09:30:23.470 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:23.470 INFO kablam! 
Jul 12 09:30:23.533 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:23.533 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:23.533 INFO kablam!     |
Jul 12 09:30:23.533 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:23.533 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:23.533 INFO kablam!     |
Jul 12 09:30:23.534 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:23.534 INFO kablam! 
Jul 12 09:30:24.623 INFO kablam!    Compiling memchr v2.0.1
Jul 12 09:30:25.687 INFO kablam!    Compiling aho-corasick v0.6.5
Jul 12 09:30:27.507 INFO kablam!    Compiling regex v0.2.11
Jul 12 09:30:47.077 INFO kablam! warning: unused variable: `qualified`
Jul 12 09:30:47.077 INFO kablam!    --> src/lib.rs:111:38
Jul 12 09:30:47.077 INFO kablam!     |
Jul 12 09:30:47.077 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Jul 12 09:30:47.077 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Jul 12 09:30:47.077 INFO kablam!     |
Jul 12 09:30:47.077 INFO kablam!     = note: #[warn(unused_variables)] on by default
Jul 12 09:30:47.077 INFO kablam! 
Jul 12 09:30:52.862 INFO kablam! error[E0658]: procedural macros cannot expand to macro definitions (see issue #38356)
Jul 12 09:30:52.862 INFO kablam!  --> tests/basic.rs:8:5
Jul 12 09:30:52.862 INFO kablam!   |
Jul 12 09:30:52.862 INFO kablam! 8 |     #[fn_mut(enable_attrs = "text")]
Jul 12 09:30:52.862 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jul 12 09:30:52.862 INFO kablam!   |
Jul 12 09:30:52.863 INFO kablam!   = help: add #![feature(proc_macro_gen)] to the crate attributes to enable
Jul 12 09:30:52.863 INFO kablam! 
Jul 12 09:30:52.874 INFO kablam! error: aborting due to previous error
Jul 12 09:30:52.874 INFO kablam! 
Jul 12 09:30:52.874 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Jul 12 09:30:52.885 INFO kablam! error: Could not compile `fn_mut`.
Jul 12 09:30:52.885 INFO kablam! 
Jul 12 09:30:52.885 INFO kablam! To learn more, run the command again with --verbose.
Jul 12 09:30:52.887 INFO kablam! su: No module specific data is present
Jul 12 09:30:53.480 INFO running `"docker" "rm" "-f" "4f8e545f379bb26da1eea7eecb3d206b39c6c72d02ab9852fb24a980ebeca545"`
Jul 12 09:30:53.654 INFO blam! 4f8e545f379bb26da1eea7eecb3d206b39c6c72d02ab9852fb24a980ebeca545