Aug 30 04:17:23.044 INFO checking rustc-hex-2.0.1 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 04:17:23.044 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 04:17:23.045 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 04:17:23.213 INFO blam! 3a0397e4d7f83fbd9607d29e40ae85f8e422224424e228092d68eeaa728a70ea
Aug 30 04:17:23.215 INFO running `"docker" "start" "-a" "3a0397e4d7f83fbd9607d29e40ae85f8e422224424e228092d68eeaa728a70ea"`
Aug 30 04:17:23.843 INFO kablam!     Checking rustc-hex v2.0.1 (file:///source)
Aug 30 04:17:24.917 INFO kablam! error[E0283]: type annotations required: cannot resolve `_: std::iter::FromIterator<char>`
Aug 30 04:17:24.917 INFO kablam!   --> benches/hex.rs:14:22
Aug 30 04:17:24.917 INFO kablam!    |
Aug 30 04:17:24.918 INFO kablam! 14 |         s.as_bytes().to_hex();
Aug 30 04:17:24.918 INFO kablam!    |                      ^^^^^^
Aug 30 04:17:24.918 INFO kablam! 
Aug 30 04:17:24.918 INFO kablam! error[E0282]: type annotations needed
Aug 30 04:17:24.918 INFO kablam!   --> benches/hex.rs:25:9
Aug 30 04:17:24.918 INFO kablam!    |
Aug 30 04:17:24.918 INFO kablam! 23 |     let sb = s.as_bytes().to_hex();
Aug 30 04:17:24.918 INFO kablam!    |         -- consider giving `sb` a type
Aug 30 04:17:24.918 INFO kablam! 24 |     b.iter(|| {
Aug 30 04:17:24.918 INFO kablam! 25 |         sb.from_hex().unwrap();
Aug 30 04:17:24.918 INFO kablam!    |         ^^ cannot infer type
Aug 30 04:17:24.918 INFO kablam!    |
Aug 30 04:17:24.918 INFO kablam!    = note: type must be known at this point
Aug 30 04:17:24.918 INFO kablam! 
Aug 30 04:17:24.920 INFO kablam! error: aborting due to 2 previous errors
Aug 30 04:17:24.920 INFO kablam! 
Aug 30 04:17:24.920 INFO kablam! Some errors occurred: E0282, E0283.
Aug 30 04:17:24.920 INFO kablam! For more information about an error, try `rustc --explain E0282`.
Aug 30 04:17:24.928 INFO kablam! error: Could not compile `rustc-hex`.
Aug 30 04:17:24.928 INFO kablam! 
Aug 30 04:17:24.928 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 04:17:24.930 INFO kablam! su: No module specific data is present
Aug 30 04:17:25.306 INFO running `"docker" "rm" "-f" "3a0397e4d7f83fbd9607d29e40ae85f8e422224424e228092d68eeaa728a70ea"`
Aug 30 04:17:25.401 INFO blam! 3a0397e4d7f83fbd9607d29e40ae85f8e422224424e228092d68eeaa728a70ea