Sep 01 20:47:58.161 INFO checking travis-0.1.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 20:47:58.161 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 20:47:58.161 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:47:58.413 INFO blam! fe0efd15a1993d8fd5c81d14b5bbc1270f3ca58c541ff13ffeeabe2888bb522c
Sep 01 20:47:58.416 INFO running `"docker" "start" "-a" "fe0efd15a1993d8fd5c81d14b5bbc1270f3ca58c541ff13ffeeabe2888bb522c"`
Sep 01 20:47:59.315 INFO kablam!     Checking travis v0.1.1 (file:///source)
Sep 01 20:48:03.860 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:48:03.861 INFO kablam!    --> src/lib.rs:264:29
Sep 01 20:48:03.861 INFO kablam!     |
Sep 01 20:48:03.861 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 01 20:48:03.861 INFO kablam!     |                             ----^^^^^^^
Sep 01 20:48:03.861 INFO kablam!     |                             |
Sep 01 20:48:03.861 INFO kablam!     |                             help: remove this `mut`
Sep 01 20:48:03.861 INFO kablam!     |
Sep 01 20:48:03.861 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 20:48:03.861 INFO kablam! 
Sep 01 20:48:03.897 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:48:03.897 INFO kablam!    --> src/lib.rs:442:21
Sep 01 20:48:03.897 INFO kablam!     |
Sep 01 20:48:03.897 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 01 20:48:03.897 INFO kablam!     |                     ----^^^^^^^
Sep 01 20:48:03.897 INFO kablam!     |                     |
Sep 01 20:48:03.897 INFO kablam!     |                     help: remove this `mut`
Sep 01 20:48:03.897 INFO kablam! 
Sep 01 20:48:04.001 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:48:04.001 INFO kablam!    --> src/lib.rs:264:29
Sep 01 20:48:04.001 INFO kablam!     |
Sep 01 20:48:04.001 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 01 20:48:04.001 INFO kablam!     |                             ----^^^^^^^
Sep 01 20:48:04.001 INFO kablam!     |                             |
Sep 01 20:48:04.001 INFO kablam!     |                             help: remove this `mut`
Sep 01 20:48:04.001 INFO kablam!     |
Sep 01 20:48:04.001 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 20:48:04.001 INFO kablam! 
Sep 01 20:48:04.049 INFO kablam! warning: variable does not need to be mutable
Sep 01 20:48:04.049 INFO kablam!    --> src/lib.rs:442:21
Sep 01 20:48:04.049 INFO kablam!     |
Sep 01 20:48:04.049 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 01 20:48:04.049 INFO kablam!     |                     ----^^^^^^^
Sep 01 20:48:04.049 INFO kablam!     |                     |
Sep 01 20:48:04.049 INFO kablam!     |                     help: remove this `mut`
Sep 01 20:48:04.049 INFO kablam! 
Sep 01 20:48:07.429 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 01 20:48:07.429 INFO kablam!   --> examples/demo.rs:60:50
Sep 01 20:48:07.429 INFO kablam!    |
Sep 01 20:48:07.429 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 01 20:48:07.429 INFO kablam!    |                                                  ^^^^^^
Sep 01 20:48:07.429 INFO kablam! 
Sep 01 20:48:07.439 INFO kablam! error: aborting due to previous error
Sep 01 20:48:07.439 INFO kablam! 
Sep 01 20:48:07.439 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 01 20:48:07.466 INFO kablam! error: Could not compile `travis`.
Sep 01 20:48:07.466 INFO kablam! 
Sep 01 20:48:07.466 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 20:48:07.468 INFO kablam! su: No module specific data is present
Sep 01 20:48:07.939 INFO running `"docker" "rm" "-f" "fe0efd15a1993d8fd5c81d14b5bbc1270f3ca58c541ff13ffeeabe2888bb522c"`
Sep 01 20:48:08.100 INFO blam! fe0efd15a1993d8fd5c81d14b5bbc1270f3ca58c541ff13ffeeabe2888bb522c