Sep 04 00:05:43.102 INFO checking travis-0.1.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 00:05:43.102 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 00:05:43.102 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 00:05:43.317 INFO blam! 00a14ecddd43d36eaabd7354652887d4c9d347cd185936767ab92464f8d189ff
Sep 04 00:05:43.318 INFO running `"docker" "start" "-a" "00a14ecddd43d36eaabd7354652887d4c9d347cd185936767ab92464f8d189ff"`
Sep 04 00:05:44.191 INFO kablam!     Checking travis v0.1.1 (file:///source)
Sep 04 00:05:48.789 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:05:48.789 INFO kablam!    --> src/lib.rs:264:29
Sep 04 00:05:48.789 INFO kablam!     |
Sep 04 00:05:48.789 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 04 00:05:48.789 INFO kablam!     |                             ----^^^^^^^
Sep 04 00:05:48.789 INFO kablam!     |                             |
Sep 04 00:05:48.789 INFO kablam!     |                             help: remove this `mut`
Sep 04 00:05:48.790 INFO kablam!     |
Sep 04 00:05:48.790 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 00:05:48.790 INFO kablam! 
Sep 04 00:05:48.846 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:05:48.846 INFO kablam!    --> src/lib.rs:442:21
Sep 04 00:05:48.846 INFO kablam!     |
Sep 04 00:05:48.846 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 04 00:05:48.846 INFO kablam!     |                     ----^^^^^^^
Sep 04 00:05:48.846 INFO kablam!     |                     |
Sep 04 00:05:48.846 INFO kablam!     |                     help: remove this `mut`
Sep 04 00:05:48.847 INFO kablam! 
Sep 04 00:05:49.095 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:05:49.095 INFO kablam!    --> src/lib.rs:264:29
Sep 04 00:05:49.095 INFO kablam!     |
Sep 04 00:05:49.095 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 04 00:05:49.095 INFO kablam!     |                             ----^^^^^^^
Sep 04 00:05:49.095 INFO kablam!     |                             |
Sep 04 00:05:49.095 INFO kablam!     |                             help: remove this `mut`
Sep 04 00:05:49.095 INFO kablam!     |
Sep 04 00:05:49.095 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 00:05:49.095 INFO kablam! 
Sep 04 00:05:49.153 INFO kablam! warning: variable does not need to be mutable
Sep 04 00:05:49.153 INFO kablam!    --> src/lib.rs:442:21
Sep 04 00:05:49.153 INFO kablam!     |
Sep 04 00:05:49.153 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 04 00:05:49.154 INFO kablam!     |                     ----^^^^^^^
Sep 04 00:05:49.154 INFO kablam!     |                     |
Sep 04 00:05:49.154 INFO kablam!     |                     help: remove this `mut`
Sep 04 00:05:49.154 INFO kablam! 
Sep 04 00:05:52.098 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 04 00:05:52.099 INFO kablam!   --> examples/demo.rs:60:50
Sep 04 00:05:52.099 INFO kablam!    |
Sep 04 00:05:52.099 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 04 00:05:52.099 INFO kablam!    |                                                  ^^^^^^
Sep 04 00:05:52.099 INFO kablam! 
Sep 04 00:05:52.104 INFO kablam! error: aborting due to previous error
Sep 04 00:05:52.104 INFO kablam! 
Sep 04 00:05:52.104 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 04 00:05:52.123 INFO kablam! error: Could not compile `travis`.
Sep 04 00:05:52.123 INFO kablam! 
Sep 04 00:05:52.123 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 00:05:52.124 INFO kablam! su: No module specific data is present
Sep 04 00:05:52.502 INFO running `"docker" "rm" "-f" "00a14ecddd43d36eaabd7354652887d4c9d347cd185936767ab92464f8d189ff"`
Sep 04 00:05:52.609 INFO blam! 00a14ecddd43d36eaabd7354652887d4c9d347cd185936767ab92464f8d189ff