Aug 31 15:15:40.110 INFO checking rustc-hex-2.0.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 15:15:40.110 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 15:15:40.110 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 15:15:40.325 INFO blam! ac9b16e5696a53dcafb27fa9c06e8bd3a041f581cf4dc93ec8b0bb50de1f36e5
Aug 31 15:15:40.328 INFO running `"docker" "start" "-a" "ac9b16e5696a53dcafb27fa9c06e8bd3a041f581cf4dc93ec8b0bb50de1f36e5"`
Aug 31 15:15:41.092 INFO kablam!     Checking rustc-hex v2.0.1 (file:///source)
Aug 31 15:15:42.301 INFO kablam! error[E0283]: type annotations required: cannot resolve `_: std::iter::FromIterator<char>`
Aug 31 15:15:42.302 INFO kablam!   --> benches/hex.rs:14:22
Aug 31 15:15:42.302 INFO kablam!    |
Aug 31 15:15:42.302 INFO kablam! 14 |         s.as_bytes().to_hex();
Aug 31 15:15:42.302 INFO kablam!    |                      ^^^^^^
Aug 31 15:15:42.302 INFO kablam! 
Aug 31 15:15:42.302 INFO kablam! error[E0282]: type annotations needed
Aug 31 15:15:42.302 INFO kablam!   --> benches/hex.rs:25:9
Aug 31 15:15:42.302 INFO kablam!    |
Aug 31 15:15:42.302 INFO kablam! 23 |     let sb = s.as_bytes().to_hex();
Aug 31 15:15:42.302 INFO kablam!    |         -- consider giving `sb` a type
Aug 31 15:15:42.302 INFO kablam! 24 |     b.iter(|| {
Aug 31 15:15:42.302 INFO kablam! 25 |         sb.from_hex().unwrap();
Aug 31 15:15:42.302 INFO kablam!    |         ^^ cannot infer type
Aug 31 15:15:42.303 INFO kablam!    |
Aug 31 15:15:42.303 INFO kablam!    = note: type must be known at this point
Aug 31 15:15:42.303 INFO kablam! 
Aug 31 15:15:42.304 INFO kablam! error: aborting due to 2 previous errors
Aug 31 15:15:42.304 INFO kablam! 
Aug 31 15:15:42.304 INFO kablam! Some errors occurred: E0282, E0283.
Aug 31 15:15:42.304 INFO kablam! For more information about an error, try `rustc --explain E0282`.
Aug 31 15:15:42.311 INFO kablam! error: Could not compile `rustc-hex`.
Aug 31 15:15:42.311 INFO kablam! 
Aug 31 15:15:42.311 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 15:15:42.312 INFO kablam! su: No module specific data is present
Aug 31 15:15:42.682 INFO running `"docker" "rm" "-f" "ac9b16e5696a53dcafb27fa9c06e8bd3a041f581cf4dc93ec8b0bb50de1f36e5"`
Aug 31 15:15:42.770 INFO blam! ac9b16e5696a53dcafb27fa9c06e8bd3a041f581cf4dc93ec8b0bb50de1f36e5