Sep 10 07:32:53.299 INFO checking travis-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 07:32:53.299 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 07:32:53.299 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:32:53.447 INFO blam! 3773660eca0bde627be15c673caa46b98323c54c972af595f878fe5974dafd3b
Sep 10 07:32:53.448 INFO running `"docker" "start" "-a" "3773660eca0bde627be15c673caa46b98323c54c972af595f878fe5974dafd3b"`
Sep 10 07:32:54.692 INFO kablam! usermod: no changes
Sep 10 07:32:55.006 INFO kablam!     Checking travis v0.1.1 (file:///source)
Sep 10 07:32:58.386 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.386 INFO kablam!    --> src/lib.rs:264:29
Sep 10 07:32:58.386 INFO kablam!     |
Sep 10 07:32:58.386 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 10 07:32:58.386 INFO kablam!     |                             ----^^^^^^^
Sep 10 07:32:58.386 INFO kablam!     |                             |
Sep 10 07:32:58.386 INFO kablam!     |                             help: remove this `mut`
Sep 10 07:32:58.386 INFO kablam!     |
Sep 10 07:32:58.386 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 07:32:58.386 INFO kablam! 
Sep 10 07:32:58.412 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.412 INFO kablam!    --> src/lib.rs:264:29
Sep 10 07:32:58.412 INFO kablam!     |
Sep 10 07:32:58.412 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 10 07:32:58.412 INFO kablam!     |                             ----^^^^^^^
Sep 10 07:32:58.412 INFO kablam!     |                             |
Sep 10 07:32:58.412 INFO kablam!     |                             help: remove this `mut`
Sep 10 07:32:58.412 INFO kablam!     |
Sep 10 07:32:58.412 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 07:32:58.412 INFO kablam! 
Sep 10 07:32:58.434 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.434 INFO kablam!    --> src/lib.rs:442:21
Sep 10 07:32:58.434 INFO kablam!     |
Sep 10 07:32:58.434 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 10 07:32:58.434 INFO kablam!     |                     ----^^^^^^^
Sep 10 07:32:58.434 INFO kablam!     |                     |
Sep 10 07:32:58.434 INFO kablam!     |                     help: remove this `mut`
Sep 10 07:32:58.434 INFO kablam! 
Sep 10 07:32:58.466 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.466 INFO kablam!    --> src/lib.rs:442:21
Sep 10 07:32:58.466 INFO kablam!     |
Sep 10 07:32:58.466 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 10 07:32:58.466 INFO kablam!     |                     ----^^^^^^^
Sep 10 07:32:58.466 INFO kablam!     |                     |
Sep 10 07:32:58.466 INFO kablam!     |                     help: remove this `mut`
Sep 10 07:32:58.466 INFO kablam! 
Sep 10 07:33:00.361 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 10 07:33:00.361 INFO kablam!   --> examples/demo.rs:60:50
Sep 10 07:33:00.361 INFO kablam!    |
Sep 10 07:33:00.361 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 10 07:33:00.361 INFO kablam!    |                                                  ^^^^^^
Sep 10 07:33:00.361 INFO kablam! 
Sep 10 07:33:00.374 INFO kablam! error: aborting due to previous error
Sep 10 07:33:00.374 INFO kablam! 
Sep 10 07:33:00.374 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 07:33:00.394 INFO kablam! error: Could not compile `travis`.
Sep 10 07:33:00.394 INFO kablam! 
Sep 10 07:33:00.394 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:33:00.396 INFO kablam! su: No module specific data is present
Sep 10 07:33:01.185 INFO running `"docker" "rm" "-f" "3773660eca0bde627be15c673caa46b98323c54c972af595f878fe5974dafd3b"`
Sep 10 07:33:01.309 INFO blam! 3773660eca0bde627be15c673caa46b98323c54c972af595f878fe5974dafd3b