Sep 14 09:54:24.147 INFO checking rustc-hex-2.0.1 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 09:54:24.147 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 09:54:24.147 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 09:54:24.285 INFO blam! 5de8a5a76c0ca24bca61d593c4af653feb39fc9a442f2744a1ae722065688db8
Sep 14 09:54:24.287 INFO running `"docker" "start" "-a" "5de8a5a76c0ca24bca61d593c4af653feb39fc9a442f2744a1ae722065688db8"`
Sep 14 09:54:25.040 INFO kablam! usermod: no changes
Sep 14 09:54:25.081 INFO kablam!     Checking rustc-hex v2.0.1 (file:///source)
Sep 14 09:54:25.795 INFO kablam! error[E0283]: type annotations required: cannot resolve `_: std::iter::FromIterator<char>`
Sep 14 09:54:25.795 INFO kablam!   --> benches/hex.rs:14:22
Sep 14 09:54:25.795 INFO kablam!    |
Sep 14 09:54:25.795 INFO kablam! 14 |         s.as_bytes().to_hex();
Sep 14 09:54:25.795 INFO kablam!    |                      ^^^^^^
Sep 14 09:54:25.795 INFO kablam! 
Sep 14 09:54:25.795 INFO kablam! error[E0282]: type annotations needed
Sep 14 09:54:25.795 INFO kablam!   --> benches/hex.rs:25:9
Sep 14 09:54:25.795 INFO kablam!    |
Sep 14 09:54:25.795 INFO kablam! 23 |     let sb = s.as_bytes().to_hex();
Sep 14 09:54:25.795 INFO kablam!    |         -- consider giving `sb` a type
Sep 14 09:54:25.795 INFO kablam! 24 |     b.iter(|| {
Sep 14 09:54:25.795 INFO kablam! 25 |         sb.from_hex().unwrap();
Sep 14 09:54:25.795 INFO kablam!    |         ^^ cannot infer type
Sep 14 09:54:25.795 INFO kablam!    |
Sep 14 09:54:25.795 INFO kablam!    = note: type must be known at this point
Sep 14 09:54:25.795 INFO kablam! 
Sep 14 09:54:25.795 INFO kablam! error: aborting due to 2 previous errors
Sep 14 09:54:25.795 INFO kablam! 
Sep 14 09:54:25.795 INFO kablam! Some errors occurred: E0282, E0283.
Sep 14 09:54:25.795 INFO kablam! For more information about an error, try `rustc --explain E0282`.
Sep 14 09:54:25.803 INFO kablam! error: Could not compile `rustc-hex`.
Sep 14 09:54:25.803 INFO kablam! 
Sep 14 09:54:25.803 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 09:54:25.803 INFO kablam! su: No module specific data is present
Sep 14 09:54:26.455 INFO running `"docker" "rm" "-f" "5de8a5a76c0ca24bca61d593c4af653feb39fc9a442f2744a1ae722065688db8"`
Sep 14 09:54:26.582 INFO blam! 5de8a5a76c0ca24bca61d593c4af653feb39fc9a442f2744a1ae722065688db8