Sep 06 01:45:02.858 INFO checking regex_dfa-0.5.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 01:45:02.858 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 01:45:02.858 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:45:03.073 INFO blam! cebb81add6f56944071966a4568c71cc460fe4d2563dcfeeeea0c71f3cf64328
Sep 06 01:45:03.079 INFO running `"docker" "start" "-a" "cebb81add6f56944071966a4568c71cc460fe4d2563dcfeeeea0c71f3cf64328"`
Sep 06 01:45:04.098 INFO kablam! usermod: no changes
Sep 06 01:45:04.151 INFO kablam! warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Sep 06 01:45:04.152 INFO kablam! disables Cargo from automatically inferring other benchmark targets.
Sep 06 01:45:04.152 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 06 01:45:04.152 INFO kablam! files will be included as a benchmark target:
Sep 06 01:45:04.152 INFO kablam! 
Sep 06 01:45:04.152 INFO kablam! * /source/benches/bench.rs
Sep 06 01:45:04.152 INFO kablam! 
Sep 06 01:45:04.152 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 06 01:45:04.152 INFO kablam! ready to be compiled as a benchmark target today. You can future-proof yourself
Sep 06 01:45:04.152 INFO kablam! and disable this warning by adding `autobenches = false` to your [package]
Sep 06 01:45:04.152 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 06 01:45:04.152 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 06 01:45:04.152 INFO kablam! 
Sep 06 01:45:04.152 INFO kablam! For more information on this warning you can consult
Sep 06 01:45:04.152 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 06 01:45:04.152 INFO kablam! warning: file found to be present in multiple build targets: /source/src/lib.rs
Sep 06 01:45:04.266 INFO kablam!     Checking regex-syntax v0.2.6
Sep 06 01:45:04.270 INFO kablam!     Checking refinery v0.1.1
Sep 06 01:45:04.322 INFO kablam!     Checking range-map v0.1.5
Sep 06 01:45:06.909 INFO kablam!     Checking regex_dfa v0.5.0 (file:///source)
Sep 06 01:45:07.694 INFO kablam! warning: unused import: `std::cmp::max`
Sep 06 01:45:07.694 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 06 01:45:07.694 INFO kablam!    |
Sep 06 01:45:07.694 INFO kablam! 11 | use std::cmp::max;
Sep 06 01:45:07.694 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 06 01:45:07.694 INFO kablam!    |
Sep 06 01:45:07.694 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 06 01:45:07.694 INFO kablam! 
Sep 06 01:45:08.124 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 06 01:45:08.124 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 06 01:45:08.124 INFO kablam!     |
Sep 06 01:45:08.124 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 06 01:45:08.124 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 06 01:45:08.124 INFO kablam!     |
Sep 06 01:45:08.124 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 01:45:08.124 INFO kablam! 
Sep 06 01:45:08.130 INFO kablam! warning: unused import: `std::cmp::max`
Sep 06 01:45:08.130 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 06 01:45:08.130 INFO kablam!    |
Sep 06 01:45:08.131 INFO kablam! 11 | use std::cmp::max;
Sep 06 01:45:08.131 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 06 01:45:08.131 INFO kablam! 
Sep 06 01:45:09.818 INFO kablam! warning: function is never used: `qc`
Sep 06 01:45:09.818 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 06 01:45:09.818 INFO kablam!     |
Sep 06 01:45:09.818 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 06 01:45:09.818 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 01:45:09.818 INFO kablam!     |
Sep 06 01:45:09.818 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 06 01:45:09.818 INFO kablam! 
Sep 06 01:45:10.142 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 06 01:45:10.142 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 06 01:45:10.142 INFO kablam!     |
Sep 06 01:45:10.142 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 06 01:45:10.142 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 06 01:45:10.142 INFO kablam!     |
Sep 06 01:45:10.142 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 01:45:10.142 INFO kablam! 
Sep 06 01:45:10.158 INFO kablam! warning: unused import: `std::cmp::max`
Sep 06 01:45:10.158 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 06 01:45:10.158 INFO kablam!    |
Sep 06 01:45:10.158 INFO kablam! 11 | use std::cmp::max;
Sep 06 01:45:10.158 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 06 01:45:10.158 INFO kablam! 
Sep 06 01:45:11.549 INFO kablam! warning: function is never used: `qc`
Sep 06 01:45:11.549 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 06 01:45:11.549 INFO kablam!     |
Sep 06 01:45:11.549 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 06 01:45:11.549 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 01:45:11.549 INFO kablam!     |
Sep 06 01:45:11.549 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 06 01:45:11.549 INFO kablam! 
Sep 06 01:45:14.548 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.42s
Sep 06 01:45:14.566 INFO kablam! su: No module specific data is present
Sep 06 01:45:15.443 INFO running `"docker" "rm" "-f" "cebb81add6f56944071966a4568c71cc460fe4d2563dcfeeeea0c71f3cf64328"`
Sep 06 01:45:15.564 INFO blam! cebb81add6f56944071966a4568c71cc460fe4d2563dcfeeeea0c71f3cf64328