Sep 10 12:04:14.342 INFO checking regex_dfa-0.5.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:04:14.342 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:04:14.342 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 12:04:14.533 INFO blam! 13747c7832b95d64e5570efd4a32c8de5e7b4b20b21427439ef9fb50b4e2b652
Sep 10 12:04:14.535 INFO running `"docker" "start" "-a" "13747c7832b95d64e5570efd4a32c8de5e7b4b20b21427439ef9fb50b4e2b652"`
Sep 10 12:04:15.798 INFO kablam! usermod: no changes
Sep 10 12:04:15.838 INFO kablam! warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Sep 10 12:04:15.838 INFO kablam! disables Cargo from automatically inferring other benchmark targets.
Sep 10 12:04:15.838 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 10 12:04:15.838 INFO kablam! files will be included as a benchmark target:
Sep 10 12:04:15.838 INFO kablam! 
Sep 10 12:04:15.838 INFO kablam! * /source/benches/bench.rs
Sep 10 12:04:15.838 INFO kablam! 
Sep 10 12:04:15.838 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 10 12:04:15.838 INFO kablam! ready to be compiled as a benchmark target today. You can future-proof yourself
Sep 10 12:04:15.838 INFO kablam! and disable this warning by adding `autobenches = false` to your [package]
Sep 10 12:04:15.838 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 10 12:04:15.838 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 10 12:04:15.838 INFO kablam! 
Sep 10 12:04:15.838 INFO kablam! For more information on this warning you can consult
Sep 10 12:04:15.838 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 10 12:04:15.838 INFO kablam! warning: file found to be present in multiple build targets: /source/src/lib.rs
Sep 10 12:04:15.934 INFO kablam!     Checking refinery v0.1.1
Sep 10 12:04:15.934 INFO kablam!     Checking regex-syntax v0.2.6
Sep 10 12:04:15.935 INFO kablam!     Checking itertools v0.4.19
Sep 10 12:04:15.937 INFO kablam!     Checking range-map v0.1.5
Sep 10 12:04:15.937 INFO kablam!     Checking quickcheck v0.2.27
Sep 10 12:04:24.534 INFO kablam!     Checking regex_dfa v0.5.0 (file:///source)
Sep 10 12:04:25.090 INFO kablam! warning: unused import: `std::cmp::max`
Sep 10 12:04:25.090 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 10 12:04:25.090 INFO kablam!    |
Sep 10 12:04:25.090 INFO kablam! 11 | use std::cmp::max;
Sep 10 12:04:25.090 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 10 12:04:25.090 INFO kablam!    |
Sep 10 12:04:25.090 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 10 12:04:25.090 INFO kablam! 
Sep 10 12:04:25.774 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 10 12:04:25.774 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 10 12:04:25.774 INFO kablam!     |
Sep 10 12:04:25.774 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 10 12:04:25.774 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 10 12:04:25.774 INFO kablam!     |
Sep 10 12:04:25.774 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 12:04:25.774 INFO kablam! 
Sep 10 12:04:25.778 INFO kablam! warning: unused import: `std::cmp::max`
Sep 10 12:04:25.778 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 10 12:04:25.778 INFO kablam!    |
Sep 10 12:04:25.778 INFO kablam! 11 | use std::cmp::max;
Sep 10 12:04:25.778 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 10 12:04:25.778 INFO kablam! 
Sep 10 12:04:27.592 INFO kablam! warning: function is never used: `qc`
Sep 10 12:04:27.592 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 10 12:04:27.592 INFO kablam!     |
Sep 10 12:04:27.592 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 10 12:04:27.592 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:04:27.594 INFO kablam!     |
Sep 10 12:04:27.594 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 12:04:27.594 INFO kablam! 
Sep 10 12:04:28.299 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 10 12:04:28.299 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 10 12:04:28.299 INFO kablam!     |
Sep 10 12:04:28.299 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 10 12:04:28.299 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 10 12:04:28.299 INFO kablam!     |
Sep 10 12:04:28.299 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 12:04:28.299 INFO kablam! 
Sep 10 12:04:28.299 INFO kablam! warning: unused import: `std::cmp::max`
Sep 10 12:04:28.299 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 10 12:04:28.299 INFO kablam!    |
Sep 10 12:04:28.300 INFO kablam! 11 | use std::cmp::max;
Sep 10 12:04:28.300 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 10 12:04:28.300 INFO kablam! 
Sep 10 12:04:29.906 INFO kablam! warning: function is never used: `qc`
Sep 10 12:04:29.906 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 10 12:04:29.906 INFO kablam!     |
Sep 10 12:04:29.906 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 10 12:04:29.906 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 12:04:29.906 INFO kablam!     |
Sep 10 12:04:29.906 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 12:04:29.906 INFO kablam! 
Sep 10 12:04:34.212 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.39s
Sep 10 12:04:34.221 INFO kablam! su: No module specific data is present
Sep 10 12:04:34.939 INFO running `"docker" "rm" "-f" "13747c7832b95d64e5570efd4a32c8de5e7b4b20b21427439ef9fb50b4e2b652"`
Sep 10 12:04:35.058 INFO blam! 13747c7832b95d64e5570efd4a32c8de5e7b4b20b21427439ef9fb50b4e2b652