Sep 17 15:47:58.884 INFO checking travis-0.1.1 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 15:47:58.884 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 15:47:58.884 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 15:47:59.039 INFO blam! f00fac2bad37ee8659ff4c456773692e16c0ab8cb0541bf46a36b7586a7c64b2
Sep 17 15:47:59.040 INFO running `"docker" "start" "-a" "f00fac2bad37ee8659ff4c456773692e16c0ab8cb0541bf46a36b7586a7c64b2"`
Sep 17 15:48:00.642 INFO kablam! usermod: no changes
Sep 17 15:48:00.927 INFO kablam!     Checking travis v0.1.1 (/source)
Sep 17 15:48:04.339 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:48:04.339 INFO kablam!    --> src/lib.rs:264:29
Sep 17 15:48:04.339 INFO kablam!     |
Sep 17 15:48:04.339 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 17 15:48:04.339 INFO kablam!     |                             ----^^^^^^^
Sep 17 15:48:04.339 INFO kablam!     |                             |
Sep 17 15:48:04.339 INFO kablam!     |                             help: remove this `mut`
Sep 17 15:48:04.339 INFO kablam!     |
Sep 17 15:48:04.339 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 15:48:04.339 INFO kablam! 
Sep 17 15:48:04.375 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:48:04.375 INFO kablam!    --> src/lib.rs:442:21
Sep 17 15:48:04.375 INFO kablam!     |
Sep 17 15:48:04.375 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 17 15:48:04.375 INFO kablam!     |                     ----^^^^^^^
Sep 17 15:48:04.375 INFO kablam!     |                     |
Sep 17 15:48:04.375 INFO kablam!     |                     help: remove this `mut`
Sep 17 15:48:04.375 INFO kablam! 
Sep 17 15:48:04.663 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:48:04.663 INFO kablam!    --> src/lib.rs:264:29
Sep 17 15:48:04.663 INFO kablam!     |
Sep 17 15:48:04.663 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 17 15:48:04.663 INFO kablam!     |                             ----^^^^^^^
Sep 17 15:48:04.663 INFO kablam!     |                             |
Sep 17 15:48:04.663 INFO kablam!     |                             help: remove this `mut`
Sep 17 15:48:04.663 INFO kablam!     |
Sep 17 15:48:04.663 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 17 15:48:04.663 INFO kablam! 
Sep 17 15:48:04.675 INFO kablam! warning: variable does not need to be mutable
Sep 17 15:48:04.675 INFO kablam!    --> src/lib.rs:442:21
Sep 17 15:48:04.675 INFO kablam!     |
Sep 17 15:48:04.675 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 17 15:48:04.675 INFO kablam!     |                     ----^^^^^^^
Sep 17 15:48:04.675 INFO kablam!     |                     |
Sep 17 15:48:04.675 INFO kablam!     |                     help: remove this `mut`
Sep 17 15:48:04.675 INFO kablam! 
Sep 17 15:48:06.675 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 17 15:48:06.675 INFO kablam!   --> examples/demo.rs:60:50
Sep 17 15:48:06.675 INFO kablam!    |
Sep 17 15:48:06.675 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 17 15:48:06.675 INFO kablam!    |                                                  ^^^^^^
Sep 17 15:48:06.675 INFO kablam! 
Sep 17 15:48:06.686 INFO kablam! error: aborting due to previous error
Sep 17 15:48:06.686 INFO kablam! 
Sep 17 15:48:06.686 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 17 15:48:06.708 INFO kablam! error: Could not compile `travis`.
Sep 17 15:48:06.708 INFO kablam! 
Sep 17 15:48:06.708 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 15:48:06.715 INFO kablam! su: No module specific data is present
Sep 17 15:48:07.388 INFO running `"docker" "rm" "-f" "f00fac2bad37ee8659ff4c456773692e16c0ab8cb0541bf46a36b7586a7c64b2"`
Sep 17 15:48:07.726 INFO blam! f00fac2bad37ee8659ff4c456773692e16c0ab8cb0541bf46a36b7586a7c64b2