Sep 10 07:32:53.918 INFO checking travis-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 07:32:53.918 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 07:32:53.918 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 07:32:54.063 INFO blam! 28df70bef1c7ec37909310bffeb5ffb5146e6a76614931a3da430f68df5f4c1c
Sep 10 07:32:54.065 INFO running `"docker" "start" "-a" "28df70bef1c7ec37909310bffeb5ffb5146e6a76614931a3da430f68df5f4c1c"`
Sep 10 07:32:55.262 INFO kablam! usermod: no changes
Sep 10 07:32:55.505 INFO kablam!     Checking travis v0.1.1 (file:///source)
Sep 10 07:32:58.779 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.779 INFO kablam!    --> src/lib.rs:264:29
Sep 10 07:32:58.779 INFO kablam!     |
Sep 10 07:32:58.779 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 10 07:32:58.779 INFO kablam!     |                             ----^^^^^^^
Sep 10 07:32:58.779 INFO kablam!     |                             |
Sep 10 07:32:58.779 INFO kablam!     |                             help: remove this `mut`
Sep 10 07:32:58.779 INFO kablam!     |
Sep 10 07:32:58.779 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 07:32:58.779 INFO kablam! 
Sep 10 07:32:58.806 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.806 INFO kablam!    --> src/lib.rs:442:21
Sep 10 07:32:58.806 INFO kablam!     |
Sep 10 07:32:58.806 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 10 07:32:58.806 INFO kablam!     |                     ----^^^^^^^
Sep 10 07:32:58.806 INFO kablam!     |                     |
Sep 10 07:32:58.806 INFO kablam!     |                     help: remove this `mut`
Sep 10 07:32:58.806 INFO kablam! 
Sep 10 07:32:58.998 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:58.998 INFO kablam!    --> src/lib.rs:264:29
Sep 10 07:32:58.998 INFO kablam!     |
Sep 10 07:32:58.998 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 10 07:32:58.998 INFO kablam!     |                             ----^^^^^^^
Sep 10 07:32:58.998 INFO kablam!     |                             |
Sep 10 07:32:58.998 INFO kablam!     |                             help: remove this `mut`
Sep 10 07:32:58.998 INFO kablam!     |
Sep 10 07:32:58.998 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 07:32:58.998 INFO kablam! 
Sep 10 07:32:59.018 INFO kablam! warning: variable does not need to be mutable
Sep 10 07:32:59.018 INFO kablam!    --> src/lib.rs:442:21
Sep 10 07:32:59.018 INFO kablam!     |
Sep 10 07:32:59.018 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 10 07:32:59.018 INFO kablam!     |                     ----^^^^^^^
Sep 10 07:32:59.018 INFO kablam!     |                     |
Sep 10 07:32:59.018 INFO kablam!     |                     help: remove this `mut`
Sep 10 07:32:59.018 INFO kablam! 
Sep 10 07:33:00.654 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 10 07:33:00.654 INFO kablam!   --> examples/demo.rs:60:50
Sep 10 07:33:00.654 INFO kablam!    |
Sep 10 07:33:00.654 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 10 07:33:00.654 INFO kablam!    |                                                  ^^^^^^
Sep 10 07:33:00.654 INFO kablam! 
Sep 10 07:33:00.662 INFO kablam! error: aborting due to previous error
Sep 10 07:33:00.662 INFO kablam! 
Sep 10 07:33:00.662 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 10 07:33:00.690 INFO kablam! error: Could not compile `travis`.
Sep 10 07:33:00.690 INFO kablam! 
Sep 10 07:33:00.690 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 07:33:00.690 INFO kablam! su: No module specific data is present
Sep 10 07:33:01.251 INFO running `"docker" "rm" "-f" "28df70bef1c7ec37909310bffeb5ffb5146e6a76614931a3da430f68df5f4c1c"`
Sep 10 07:33:01.376 INFO blam! 28df70bef1c7ec37909310bffeb5ffb5146e6a76614931a3da430f68df5f4c1c