Aug 31 15:15:39.764 INFO checking rustc-hex-2.0.1 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578 Aug 31 15:15:39.764 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets Aug 31 15:15:39.765 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 31 15:15:39.961 INFO blam! a0da3e070c72fb83d4cbd3edd88a19e712b3975120cdfdb30c01edf19d8b48ea Aug 31 15:15:39.964 INFO running `"docker" "start" "-a" "a0da3e070c72fb83d4cbd3edd88a19e712b3975120cdfdb30c01edf19d8b48ea"` Aug 31 15:15:40.654 INFO kablam! Checking rustc-hex v2.0.1 (file:///source) Aug 31 15:15:41.972 INFO kablam! error[E0283]: type annotations required: cannot resolve `_: std::iter::FromIterator` Aug 31 15:15:41.972 INFO kablam! --> benches/hex.rs:14:22 Aug 31 15:15:41.972 INFO kablam! | Aug 31 15:15:41.972 INFO kablam! 14 | s.as_bytes().to_hex(); Aug 31 15:15:41.972 INFO kablam! | ^^^^^^ Aug 31 15:15:41.972 INFO kablam! Aug 31 15:15:41.973 INFO kablam! error[E0282]: type annotations needed Aug 31 15:15:41.973 INFO kablam! --> benches/hex.rs:25:9 Aug 31 15:15:41.973 INFO kablam! | Aug 31 15:15:41.973 INFO kablam! 23 | let sb = s.as_bytes().to_hex(); Aug 31 15:15:41.973 INFO kablam! | -- consider giving `sb` a type Aug 31 15:15:41.973 INFO kablam! 24 | b.iter(|| { Aug 31 15:15:41.973 INFO kablam! 25 | sb.from_hex().unwrap(); Aug 31 15:15:41.973 INFO kablam! | ^^ cannot infer type Aug 31 15:15:41.973 INFO kablam! | Aug 31 15:15:41.973 INFO kablam! = note: type must be known at this point Aug 31 15:15:41.973 INFO kablam! Aug 31 15:15:41.974 INFO kablam! error: aborting due to 2 previous errors Aug 31 15:15:41.974 INFO kablam! Aug 31 15:15:41.975 INFO kablam! Some errors occurred: E0282, E0283. Aug 31 15:15:41.975 INFO kablam! For more information about an error, try `rustc --explain E0282`. Aug 31 15:15:41.983 INFO kablam! error: Could not compile `rustc-hex`. Aug 31 15:15:41.983 INFO kablam! Aug 31 15:15:41.983 INFO kablam! To learn more, run the command again with --verbose. Aug 31 15:15:41.984 INFO kablam! su: No module specific data is present Aug 31 15:15:42.411 INFO running `"docker" "rm" "-f" "a0da3e070c72fb83d4cbd3edd88a19e712b3975120cdfdb30c01edf19d8b48ea"` Aug 31 15:15:42.500 INFO blam! a0da3e070c72fb83d4cbd3edd88a19e712b3975120cdfdb30c01edf19d8b48ea