Sep 10 13:57:52.958 INFO checking nom-4.0.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 13:57:52.958 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 13:57:52.959 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 13:57:53.157 INFO blam! 3e3f5d03c1265e9e68a18163db65e72f9e297ef2cd36bc1a78d5c539cc3613d2
Sep 10 13:57:53.160 INFO running `"docker" "start" "-a" "3e3f5d03c1265e9e68a18163db65e72f9e297ef2cd36bc1a78d5c539cc3613d2"`
Sep 10 13:57:54.360 INFO kablam! usermod: no changes
Sep 10 13:57:54.418 INFO kablam!     Checking nom v4.0.0 (file:///source)
Sep 10 13:57:57.723 INFO kablam! warning: a macro named `char` has already been exported
Sep 10 13:57:57.723 INFO kablam!    --> src/character.rs:99:1
Sep 10 13:57:57.723 INFO kablam!     |
Sep 10 13:57:57.723 INFO kablam! 99  | / macro_rules! char (
Sep 10 13:57:57.723 INFO kablam! 100 | |   ($i:expr, $c: expr) => (
Sep 10 13:57:57.723 INFO kablam! 101 | |     {
Sep 10 13:57:57.723 INFO kablam! 102 | |       use $crate::lib::std::result::Result::*;
Sep 10 13:57:57.723 INFO kablam! ...   |
Sep 10 13:57:57.723 INFO kablam! 123 | |   );
Sep 10 13:57:57.723 INFO kablam! 124 | | );
Sep 10 13:57:57.723 INFO kablam!     | |__^ `char` already exported
Sep 10 13:57:57.723 INFO kablam!     |
Sep 10 13:57:57.723 INFO kablam!     = note: #[warn(duplicate_macro_exports)] on by default
Sep 10 13:57:57.723 INFO kablam!     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Sep 10 13:57:57.723 INFO kablam!     = note: for more information, see issue #35896 <https://github.com/rust-lang/rust/issues/35896>
Sep 10 13:57:57.723 INFO kablam! note: previous macro export is now shadowed
Sep 10 13:57:57.723 INFO kablam!    --> src/bytes.rs:1112:3
Sep 10 13:57:57.723 INFO kablam!     |
Sep 10 13:57:57.723 INFO kablam! 1112| /   macro_rules! char (
Sep 10 13:57:57.723 INFO kablam! 1113| |     ($i:expr, $c: expr) => (
Sep 10 13:57:57.723 INFO kablam! 1114| |       {
Sep 10 13:57:57.723 INFO kablam! 1115| |         use $crate::lib::std::result::Result::*;
Sep 10 13:57:57.723 INFO kablam! ...   |
Sep 10 13:57:57.723 INFO kablam! 1136| |     );
Sep 10 13:57:57.723 INFO kablam! 1137| |   );
Sep 10 13:57:57.723 INFO kablam!     | |____^
Sep 10 13:57:57.723 INFO kablam! 
Sep 10 13:57:58.766 INFO kablam! warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Sep 10 13:57:58.766 INFO kablam!  --> tests/inference.rs:5:10
Sep 10 13:57:58.766 INFO kablam!   |
Sep 10 13:57:58.766 INFO kablam! 5 | #![allow(unused_doc_comment)]
Sep 10 13:57:58.766 INFO kablam!   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Sep 10 13:57:58.766 INFO kablam!   |
Sep 10 13:57:58.766 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 10 13:57:58.766 INFO kablam! 
Sep 10 13:57:59.646 INFO kablam! warning: doc comment not used by rustdoc
Sep 10 13:57:59.646 INFO kablam!   --> tests/inference.rs:40:5
Sep 10 13:57:59.646 INFO kablam!    |
Sep 10 13:57:59.646 INFO kablam! 40 |     ///
Sep 10 13:57:59.646 INFO kablam!    |     ^^^
Sep 10 13:57:59.646 INFO kablam!    |
Sep 10 13:57:59.646 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Sep 10 13:57:59.646 INFO kablam! 
Sep 10 13:58:09.771 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.38s
Sep 10 13:58:09.777 INFO kablam! su: No module specific data is present
Sep 10 13:58:10.226 INFO running `"docker" "rm" "-f" "3e3f5d03c1265e9e68a18163db65e72f9e297ef2cd36bc1a78d5c539cc3613d2"`
Sep 10 13:58:10.289 INFO blam! 3e3f5d03c1265e9e68a18163db65e72f9e297ef2cd36bc1a78d5c539cc3613d2