Nov 01 17:53:04.838 INFO checking regex_dfa-0.5.0 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 17:53:04.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 17:53:05.268 INFO blam! a5435c281dc2eb6fbd4c62daeb06112cbea5ac3672a587a0ef864fde0537e0a7
Nov 01 17:53:05.280 INFO running `"docker" "start" "-a" "a5435c281dc2eb6fbd4c62daeb06112cbea5ac3672a587a0ef864fde0537e0a7"`
Nov 01 17:53:06.467 INFO kablam! usermod: no changes
Nov 01 17:53:06.536 INFO kablam! warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Nov 01 17:53:06.536 INFO kablam! disables Cargo from automatically inferring other benchmark targets.
Nov 01 17:53:06.536 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Nov 01 17:53:06.536 INFO kablam! files will be included as a benchmark target:
Nov 01 17:53:06.536 INFO kablam! 
Nov 01 17:53:06.536 INFO kablam! * /source/benches/bench.rs
Nov 01 17:53:06.536 INFO kablam! 
Nov 01 17:53:06.536 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Nov 01 17:53:06.536 INFO kablam! ready to be compiled as a benchmark target today. You can future-proof yourself
Nov 01 17:53:06.536 INFO kablam! and disable this warning by adding `autobenches = false` to your [package]
Nov 01 17:53:06.536 INFO kablam! section. You may also move the files to a location where Cargo would not
Nov 01 17:53:06.537 INFO kablam! automatically infer them to be a target, such as in subfolders.
Nov 01 17:53:06.537 INFO kablam! 
Nov 01 17:53:06.537 INFO kablam! For more information on this warning you can consult
Nov 01 17:53:06.537 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Nov 01 17:53:06.537 INFO kablam! warning: file found to be present in multiple build targets: /source/src/lib.rs
Nov 01 17:53:06.624 INFO kablam!     Checking refinery v0.1.1
Nov 01 17:53:06.624 INFO kablam!     Checking regex-syntax v0.2.6
Nov 01 17:53:06.624 INFO kablam!     Checking range-map v0.1.5
Nov 01 17:53:06.624 INFO kablam!     Checking serde v0.6.15
Nov 01 17:53:06.624 INFO kablam!     Checking quickcheck v0.2.27
Nov 01 17:53:09.460 INFO kablam!     Checking regex_dfa v0.5.0 (/source)
Nov 01 17:53:11.117 INFO kablam! warning: unused import: `std::cmp::max`
Nov 01 17:53:11.117 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Nov 01 17:53:11.117 INFO kablam!    |
Nov 01 17:53:11.117 INFO kablam! 11 | use std::cmp::max;
Nov 01 17:53:11.117 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 17:53:11.117 INFO kablam!    |
Nov 01 17:53:11.117 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 17:53:11.117 INFO kablam! 
Nov 01 17:53:11.797 INFO kablam!     Checking serde_json v0.6.1
Nov 01 17:53:17.952 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Nov 01 17:53:17.952 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Nov 01 17:53:17.952 INFO kablam!     |
Nov 01 17:53:17.952 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Nov 01 17:53:17.952 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Nov 01 17:53:17.952 INFO kablam!     |
Nov 01 17:53:17.952 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 17:53:17.952 INFO kablam! 
Nov 01 17:53:17.952 INFO kablam! warning: unused import: `std::cmp::max`
Nov 01 17:53:17.952 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Nov 01 17:53:17.952 INFO kablam!    |
Nov 01 17:53:17.952 INFO kablam! 11 | use std::cmp::max;
Nov 01 17:53:17.952 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 17:53:17.952 INFO kablam! 
Nov 01 17:53:19.538 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Nov 01 17:53:19.538 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Nov 01 17:53:19.538 INFO kablam!     |
Nov 01 17:53:19.538 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Nov 01 17:53:19.538 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Nov 01 17:53:19.538 INFO kablam!     |
Nov 01 17:53:19.538 INFO kablam!     = note: #[warn(unused_imports)] on by default
Nov 01 17:53:19.538 INFO kablam! 
Nov 01 17:53:19.548 INFO kablam! warning: unused import: `std::cmp::max`
Nov 01 17:53:19.548 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Nov 01 17:53:19.548 INFO kablam!    |
Nov 01 17:53:19.548 INFO kablam! 11 | use std::cmp::max;
Nov 01 17:53:19.548 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 01 17:53:19.548 INFO kablam! 
Nov 01 17:53:19.820 INFO kablam! warning: function is never used: `qc`
Nov 01 17:53:19.820 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Nov 01 17:53:19.820 INFO kablam!     |
Nov 01 17:53:19.820 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Nov 01 17:53:19.820 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 17:53:19.820 INFO kablam!     |
Nov 01 17:53:19.820 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 17:53:19.820 INFO kablam! 
Nov 01 17:53:21.316 INFO kablam! warning: function is never used: `qc`
Nov 01 17:53:21.316 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Nov 01 17:53:21.316 INFO kablam!     |
Nov 01 17:53:21.316 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Nov 01 17:53:21.316 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 17:53:21.316 INFO kablam!     |
Nov 01 17:53:21.316 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 01 17:53:21.316 INFO kablam! 
Nov 01 17:53:24.780 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 18.28s
Nov 01 17:53:24.792 INFO kablam! su: No module specific data is present
Nov 01 17:53:25.325 INFO running `"docker" "rm" "-f" "a5435c281dc2eb6fbd4c62daeb06112cbea5ac3672a587a0ef864fde0537e0a7"`
Nov 01 17:53:25.745 INFO blam! a5435c281dc2eb6fbd4c62daeb06112cbea5ac3672a587a0ef864fde0537e0a7