Sep 21 01:33:45.708 INFO checking travis-0.1.1 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 01:33:45.708 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 01:33:45.708 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:33:45.902 INFO blam! 555f14cb9c023966269272f4d5dfbfaa67913fd062abcb6671f2c70d093dff41
Sep 21 01:33:45.904 INFO running `"docker" "start" "-a" "555f14cb9c023966269272f4d5dfbfaa67913fd062abcb6671f2c70d093dff41"`
Sep 21 01:33:47.670 INFO kablam! usermod: no changes
Sep 21 01:33:47.997 INFO kablam!     Checking hyper-tls v0.1.4
Sep 21 01:33:49.169 INFO kablam!     Checking travis v0.1.1 (/source)
Sep 21 01:33:51.665 INFO kablam! warning: variable does not need to be mutable
Sep 21 01:33:51.665 INFO kablam!    --> src/lib.rs:264:29
Sep 21 01:33:51.665 INFO kablam!     |
Sep 21 01:33:51.665 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 21 01:33:51.665 INFO kablam!     |                             ----^^^^^^^
Sep 21 01:33:51.665 INFO kablam!     |                             |
Sep 21 01:33:51.665 INFO kablam!     |                             help: remove this `mut`
Sep 21 01:33:51.665 INFO kablam!     |
Sep 21 01:33:51.665 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 01:33:51.665 INFO kablam! 
Sep 21 01:33:51.674 INFO kablam! warning: variable does not need to be mutable
Sep 21 01:33:51.674 INFO kablam!    --> src/lib.rs:264:29
Sep 21 01:33:51.674 INFO kablam!     |
Sep 21 01:33:51.674 INFO kablam! 264 |                         let mut headers = req.headers_mut();
Sep 21 01:33:51.674 INFO kablam!     |                             ----^^^^^^^
Sep 21 01:33:51.674 INFO kablam!     |                             |
Sep 21 01:33:51.674 INFO kablam!     |                             help: remove this `mut`
Sep 21 01:33:51.674 INFO kablam!     |
Sep 21 01:33:51.674 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 01:33:51.674 INFO kablam! 
Sep 21 01:33:51.694 INFO kablam! warning: variable does not need to be mutable
Sep 21 01:33:51.694 INFO kablam!    --> src/lib.rs:442:21
Sep 21 01:33:51.694 INFO kablam!     |
Sep 21 01:33:51.694 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 21 01:33:51.694 INFO kablam!     |                     ----^^^^^^^
Sep 21 01:33:51.694 INFO kablam!     |                     |
Sep 21 01:33:51.694 INFO kablam!     |                     help: remove this `mut`
Sep 21 01:33:51.694 INFO kablam! 
Sep 21 01:33:51.700 INFO kablam! warning: variable does not need to be mutable
Sep 21 01:33:51.700 INFO kablam!    --> src/lib.rs:442:21
Sep 21 01:33:51.700 INFO kablam!     |
Sep 21 01:33:51.700 INFO kablam! 442 |                 let mut headers = req.headers_mut();
Sep 21 01:33:51.700 INFO kablam!     |                     ----^^^^^^^
Sep 21 01:33:51.700 INFO kablam!     |                     |
Sep 21 01:33:51.700 INFO kablam!     |                     help: remove this `mut`
Sep 21 01:33:51.700 INFO kablam! 
Sep 21 01:33:53.248 INFO kablam! error[E0283]: type annotations required: cannot resolve `std::string::String: std::convert::AsRef<_>`
Sep 21 01:33:53.248 INFO kablam!   --> examples/demo.rs:60:50
Sep 21 01:33:53.248 INFO kablam!    |
Sep 21 01:33:53.248 INFO kablam! 60 |             let builds = travis.builds(repo.slug.as_ref());
Sep 21 01:33:53.248 INFO kablam!    |                                                  ^^^^^^
Sep 21 01:33:53.248 INFO kablam! 
Sep 21 01:33:53.258 INFO kablam! error: aborting due to previous error
Sep 21 01:33:53.258 INFO kablam! 
Sep 21 01:33:53.258 INFO kablam! For more information about this error, try `rustc --explain E0283`.
Sep 21 01:33:53.282 INFO kablam! error: Could not compile `travis`.
Sep 21 01:33:53.282 INFO kablam! 
Sep 21 01:33:53.282 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 01:33:53.287 INFO kablam! su: No module specific data is present
Sep 21 01:33:53.779 INFO running `"docker" "rm" "-f" "555f14cb9c023966269272f4d5dfbfaa67913fd062abcb6671f2c70d093dff41"`
Sep 21 01:33:53.842 INFO blam! 555f14cb9c023966269272f4d5dfbfaa67913fd062abcb6671f2c70d093dff41