Sep 01 20:37:41.238 INFO checking fn_mut-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:37:41.238 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:37:41.238 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:37:41.501 INFO blam! f4f760674bddddc4d68fe517a12c43a5efe471227f19f6f6e149fb5e4e55f1f3
Sep 01 20:37:41.503 INFO running `"docker" "start" "-a" "f4f760674bddddc4d68fe517a12c43a5efe471227f19f6f6e149fb5e4e55f1f3"`
Sep 01 20:37:42.463 INFO kablam!    Compiling regex v0.2.11
Sep 01 20:37:42.463 INFO kablam!     Checking fn_mut v0.1.0 (file:///source)
Sep 01 20:37:46.958 INFO kablam! warning: unused variable: `qualified`
Sep 01 20:37:46.958 INFO kablam!    --> src/lib.rs:111:38
Sep 01 20:37:46.958 INFO kablam!     |
Sep 01 20:37:46.958 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Sep 01 20:37:46.958 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Sep 01 20:37:46.959 INFO kablam!     |
Sep 01 20:37:46.959 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 20:37:46.959 INFO kablam! 
Sep 01 20:37:47.027 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 20:37:47.027 INFO kablam!   --> src/lib.rs:67:12
Sep 01 20:37:47.027 INFO kablam!    |
Sep 01 20:37:47.027 INFO kablam! 67 | #![feature(proc_macro)]
Sep 01 20:37:47.027 INFO kablam!    |            ^^^^^^^^^^
Sep 01 20:37:47.027 INFO kablam!    |
Sep 01 20:37:47.027 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 01 20:37:47.027 INFO kablam! 
Sep 01 20:37:47.314 INFO kablam! warning: unused variable: `qualified`
Sep 01 20:37:47.314 INFO kablam!    --> src/lib.rs:111:38
Sep 01 20:37:47.314 INFO kablam!     |
Sep 01 20:37:47.314 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Sep 01 20:37:47.314 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Sep 01 20:37:47.314 INFO kablam!     |
Sep 01 20:37:47.314 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 20:37:47.314 INFO kablam! 
Sep 01 20:37:47.366 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 20:37:47.366 INFO kablam!   --> src/lib.rs:67:12
Sep 01 20:37:47.366 INFO kablam!    |
Sep 01 20:37:47.366 INFO kablam! 67 | #![feature(proc_macro)]
Sep 01 20:37:47.366 INFO kablam!    |            ^^^^^^^^^^
Sep 01 20:37:47.366 INFO kablam!    |
Sep 01 20:37:47.366 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 01 20:37:47.366 INFO kablam! 
Sep 01 20:37:54.268 INFO kablam! warning: unused variable: `qualified`
Sep 01 20:37:54.268 INFO kablam!    --> src/lib.rs:111:38
Sep 01 20:37:54.268 INFO kablam!     |
Sep 01 20:37:54.268 INFO kablam! 111 |             if let &mut Some(ref mut qualified) = qualified {
Sep 01 20:37:54.268 INFO kablam!     |                                      ^^^^^^^^^ help: consider using `_qualified` instead
Sep 01 20:37:54.268 INFO kablam!     |
Sep 01 20:37:54.268 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 01 20:37:54.268 INFO kablam! 
Sep 01 20:37:54.303 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 20:37:54.303 INFO kablam!   --> src/lib.rs:67:12
Sep 01 20:37:54.303 INFO kablam!    |
Sep 01 20:37:54.303 INFO kablam! 67 | #![feature(proc_macro)]
Sep 01 20:37:54.303 INFO kablam!    |            ^^^^^^^^^^
Sep 01 20:37:54.303 INFO kablam!    |
Sep 01 20:37:54.304 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 01 20:37:54.304 INFO kablam! 
Sep 01 20:37:57.269 INFO kablam! error[E0658]: procedural macros cannot expand to macro definitions (see issue #38356)
Sep 01 20:37:57.269 INFO kablam!  --> tests/basic.rs:8:5
Sep 01 20:37:57.269 INFO kablam!   |
Sep 01 20:37:57.269 INFO kablam! 8 |     #[fn_mut(enable_attrs = "text")]
Sep 01 20:37:57.269 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 20:37:57.269 INFO kablam!   |
Sep 01 20:37:57.269 INFO kablam!   = help: add #![feature(proc_macro_gen)] to the crate attributes to enable
Sep 01 20:37:57.269 INFO kablam! 
Sep 01 20:37:57.271 INFO kablam! error: aborting due to previous error
Sep 01 20:37:57.271 INFO kablam! 
Sep 01 20:37:57.271 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 20:37:57.277 INFO kablam! error: Could not compile `fn_mut`.
Sep 01 20:37:57.277 INFO kablam! 
Sep 01 20:37:57.277 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 20:37:57.279 INFO kablam! su: No module specific data is present
Sep 01 20:37:57.961 INFO running `"docker" "rm" "-f" "f4f760674bddddc4d68fe517a12c43a5efe471227f19f6f6e149fb5e4e55f1f3"`
Sep 01 20:37:58.041 INFO blam! f4f760674bddddc4d68fe517a12c43a5efe471227f19f6f6e149fb5e4e55f1f3