Sep 04 04:42:09.771 INFO checking rustc-hex-2.0.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 04:42:09.771 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 04:42:09.771 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/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 04:42:09.970 INFO blam! a4af2ff839b4d39b645ab823d4cb825386d54ee9608f312dec8aca7312ed1ddf
Sep 04 04:42:09.972 INFO running `"docker" "start" "-a" "a4af2ff839b4d39b645ab823d4cb825386d54ee9608f312dec8aca7312ed1ddf"`
Sep 04 04:42:10.588 INFO kablam!     Checking rustc-hex v2.0.1 (file:///source)
Sep 04 04:42:11.547 INFO kablam! error[E0283]: type annotations required: cannot resolve `_: std::iter::FromIterator<char>`
Sep 04 04:42:11.547 INFO kablam!   --> benches/hex.rs:14:22
Sep 04 04:42:11.547 INFO kablam!    |
Sep 04 04:42:11.547 INFO kablam! 14 |         s.as_bytes().to_hex();
Sep 04 04:42:11.547 INFO kablam!    |                      ^^^^^^
Sep 04 04:42:11.547 INFO kablam! 
Sep 04 04:42:11.548 INFO kablam! error[E0282]: type annotations needed
Sep 04 04:42:11.548 INFO kablam!   --> benches/hex.rs:25:9
Sep 04 04:42:11.548 INFO kablam!    |
Sep 04 04:42:11.548 INFO kablam! 23 |     let sb = s.as_bytes().to_hex();
Sep 04 04:42:11.548 INFO kablam!    |         -- consider giving `sb` a type
Sep 04 04:42:11.548 INFO kablam! 24 |     b.iter(|| {
Sep 04 04:42:11.548 INFO kablam! 25 |         sb.from_hex().unwrap();
Sep 04 04:42:11.548 INFO kablam!    |         ^^ cannot infer type
Sep 04 04:42:11.548 INFO kablam!    |
Sep 04 04:42:11.548 INFO kablam!    = note: type must be known at this point
Sep 04 04:42:11.548 INFO kablam! 
Sep 04 04:42:11.549 INFO kablam! error: aborting due to 2 previous errors
Sep 04 04:42:11.550 INFO kablam! 
Sep 04 04:42:11.550 INFO kablam! Some errors occurred: E0282, E0283.
Sep 04 04:42:11.550 INFO kablam! For more information about an error, try `rustc --explain E0282`.
Sep 04 04:42:11.556 INFO kablam! error: Could not compile `rustc-hex`.
Sep 04 04:42:11.556 INFO kablam! 
Sep 04 04:42:11.557 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 04:42:11.559 INFO kablam! su: No module specific data is present
Sep 04 04:42:12.153 INFO running `"docker" "rm" "-f" "a4af2ff839b4d39b645ab823d4cb825386d54ee9608f312dec8aca7312ed1ddf"`
Sep 04 04:42:12.255 INFO blam! a4af2ff839b4d39b645ab823d4cb825386d54ee9608f312dec8aca7312ed1ddf