Sep 14 10:59:37.727 INFO checking regex_dfa-0.5.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 10:59:37.727 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 10:59:37.727 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 10:59:38.159 INFO blam! bf7faa5d0134b7f7990d35ddc3b8faaff1197149205a64eb961f45579f55a4a3
Sep 14 10:59:38.162 INFO running `"docker" "start" "-a" "bf7faa5d0134b7f7990d35ddc3b8faaff1197149205a64eb961f45579f55a4a3"`
Sep 14 10:59:39.392 INFO kablam! usermod: no changes
Sep 14 10:59:39.451 INFO kablam! warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Sep 14 10:59:39.451 INFO kablam! disables Cargo from automatically inferring other benchmark targets.
Sep 14 10:59:39.451 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Sep 14 10:59:39.451 INFO kablam! files will be included as a benchmark target:
Sep 14 10:59:39.451 INFO kablam! 
Sep 14 10:59:39.451 INFO kablam! * /source/benches/bench.rs
Sep 14 10:59:39.451 INFO kablam! 
Sep 14 10:59:39.451 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Sep 14 10:59:39.451 INFO kablam! ready to be compiled as a benchmark target today. You can future-proof yourself
Sep 14 10:59:39.451 INFO kablam! and disable this warning by adding `autobenches = false` to your [package]
Sep 14 10:59:39.451 INFO kablam! section. You may also move the files to a location where Cargo would not
Sep 14 10:59:39.451 INFO kablam! automatically infer them to be a target, such as in subfolders.
Sep 14 10:59:39.451 INFO kablam! 
Sep 14 10:59:39.451 INFO kablam! For more information on this warning you can consult
Sep 14 10:59:39.451 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Sep 14 10:59:39.451 INFO kablam! warning: file found to be present in multiple build targets: /source/src/lib.rs
Sep 14 10:59:39.563 INFO kablam!     Checking regex-syntax v0.2.6
Sep 14 10:59:39.571 INFO kablam!     Checking refinery v0.1.1
Sep 14 10:59:39.571 INFO kablam!     Checking range-map v0.1.5
Sep 14 10:59:39.571 INFO kablam!     Checking serde v0.6.15
Sep 14 10:59:43.579 INFO kablam!     Checking regex_dfa v0.5.0 (file:///source)
Sep 14 10:59:44.340 INFO kablam! warning: unused import: `std::cmp::max`
Sep 14 10:59:44.340 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 14 10:59:44.340 INFO kablam!    |
Sep 14 10:59:44.340 INFO kablam! 11 | use std::cmp::max;
Sep 14 10:59:44.340 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 14 10:59:44.340 INFO kablam!    |
Sep 14 10:59:44.340 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 14 10:59:44.340 INFO kablam! 
Sep 14 10:59:45.651 INFO kablam!     Checking serde_json v0.6.1
Sep 14 10:59:48.927 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 14 10:59:48.927 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 14 10:59:48.927 INFO kablam!     |
Sep 14 10:59:48.927 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 14 10:59:48.927 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 14 10:59:48.927 INFO kablam!     |
Sep 14 10:59:48.927 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 14 10:59:48.927 INFO kablam! 
Sep 14 10:59:48.931 INFO kablam! warning: unused import: `std::cmp::max`
Sep 14 10:59:48.931 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 14 10:59:48.931 INFO kablam!    |
Sep 14 10:59:48.931 INFO kablam! 11 | use std::cmp::max;
Sep 14 10:59:48.931 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 14 10:59:48.935 INFO kablam! 
Sep 14 10:59:49.607 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Sep 14 10:59:49.607 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Sep 14 10:59:49.607 INFO kablam!     |
Sep 14 10:59:49.607 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Sep 14 10:59:49.607 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Sep 14 10:59:49.607 INFO kablam!     |
Sep 14 10:59:49.607 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 14 10:59:49.607 INFO kablam! 
Sep 14 10:59:49.607 INFO kablam! warning: unused import: `std::cmp::max`
Sep 14 10:59:49.607 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Sep 14 10:59:49.607 INFO kablam!    |
Sep 14 10:59:49.607 INFO kablam! 11 | use std::cmp::max;
Sep 14 10:59:49.607 INFO kablam!    |     ^^^^^^^^^^^^^
Sep 14 10:59:49.607 INFO kablam! 
Sep 14 10:59:51.130 INFO kablam! warning: function is never used: `qc`
Sep 14 10:59:51.130 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 14 10:59:51.130 INFO kablam!     |
Sep 14 10:59:51.130 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 14 10:59:51.130 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 10:59:51.130 INFO kablam!     |
Sep 14 10:59:51.130 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 14 10:59:51.130 INFO kablam! 
Sep 14 10:59:51.610 INFO kablam! warning: function is never used: `qc`
Sep 14 10:59:51.610 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Sep 14 10:59:51.610 INFO kablam!     |
Sep 14 10:59:51.610 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Sep 14 10:59:51.610 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 14 10:59:51.610 INFO kablam!     |
Sep 14 10:59:51.610 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 14 10:59:51.610 INFO kablam! 
Sep 14 10:59:55.915 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.49s
Sep 14 10:59:55.923 INFO kablam! su: No module specific data is present
Sep 14 10:59:56.541 INFO running `"docker" "rm" "-f" "bf7faa5d0134b7f7990d35ddc3b8faaff1197149205a64eb961f45579f55a4a3"`
Sep 14 10:59:56.654 INFO blam! bf7faa5d0134b7f7990d35ddc3b8faaff1197149205a64eb961f45579f55a4a3