Oct 13 10:10:06.745 INFO checking regex_dfa-0.5.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 10:10:06.745 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 10:10:07.108 INFO blam! 4f686889c5a3540658a029d5bd66c43f6de500fb169cc2c433d82cc2cf4d8160
Oct 13 10:10:07.124 INFO running `"docker" "start" "-a" "4f686889c5a3540658a029d5bd66c43f6de500fb169cc2c433d82cc2cf4d8160"`
Oct 13 10:10:07.989 INFO kablam! usermod: no changes
Oct 13 10:10:08.020 INFO kablam! warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Oct 13 10:10:08.020 INFO kablam! disables Cargo from automatically inferring other benchmark targets.
Oct 13 10:10:08.020 INFO kablam! This inference behavior will change in the Rust 2018 edition and the following
Oct 13 10:10:08.020 INFO kablam! files will be included as a benchmark target:
Oct 13 10:10:08.020 INFO kablam! 
Oct 13 10:10:08.020 INFO kablam! * /source/benches/bench.rs
Oct 13 10:10:08.020 INFO kablam! 
Oct 13 10:10:08.020 INFO kablam! This is likely to break cargo build or cargo test as these files may not be
Oct 13 10:10:08.020 INFO kablam! ready to be compiled as a benchmark target today. You can future-proof yourself
Oct 13 10:10:08.020 INFO kablam! and disable this warning by adding `autobenches = false` to your [package]
Oct 13 10:10:08.020 INFO kablam! section. You may also move the files to a location where Cargo would not
Oct 13 10:10:08.020 INFO kablam! automatically infer them to be a target, such as in subfolders.
Oct 13 10:10:08.020 INFO kablam! 
Oct 13 10:10:08.020 INFO kablam! For more information on this warning you can consult
Oct 13 10:10:08.020 INFO kablam! https://github.com/rust-lang/cargo/issues/5330
Oct 13 10:10:08.020 INFO kablam! warning: file found to be present in multiple build targets: /source/src/lib.rs
Oct 13 10:10:08.105 INFO kablam!     Checking regex-syntax v0.2.6
Oct 13 10:10:08.110 INFO kablam!     Checking refinery v0.1.1
Oct 13 10:10:08.110 INFO kablam!     Checking range-map v0.1.5
Oct 13 10:10:08.110 INFO kablam!     Checking serde v0.6.15
Oct 13 10:10:10.946 INFO kablam!     Checking regex_dfa v0.5.0 (/source)
Oct 13 10:10:13.185 INFO kablam! warning: unused import: `std::cmp::max`
Oct 13 10:10:13.196 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Oct 13 10:10:13.196 INFO kablam!    |
Oct 13 10:10:13.196 INFO kablam! 11 | use std::cmp::max;
Oct 13 10:10:13.196 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:10:13.196 INFO kablam!    |
Oct 13 10:10:13.197 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 10:10:13.197 INFO kablam! 
Oct 13 10:10:14.434 INFO kablam!     Checking serde_json v0.6.1
Oct 13 10:10:20.068 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Oct 13 10:10:20.068 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Oct 13 10:10:20.069 INFO kablam!     |
Oct 13 10:10:20.069 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Oct 13 10:10:20.069 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Oct 13 10:10:20.069 INFO kablam!     |
Oct 13 10:10:20.069 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 13 10:10:20.069 INFO kablam! 
Oct 13 10:10:20.069 INFO kablam! warning: unused import: `std::cmp::max`
Oct 13 10:10:20.069 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Oct 13 10:10:20.069 INFO kablam!    |
Oct 13 10:10:20.069 INFO kablam! 11 | use std::cmp::max;
Oct 13 10:10:20.069 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:10:20.069 INFO kablam! 
Oct 13 10:10:20.472 INFO kablam! warning: unused imports: `TestResult`, `quickcheck`
Oct 13 10:10:20.472 INFO kablam!    --> src/dfa/prefix_searcher.rs:244:34
Oct 13 10:10:20.472 INFO kablam!     |
Oct 13 10:10:20.472 INFO kablam! 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Oct 13 10:10:20.472 INFO kablam!     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Oct 13 10:10:20.472 INFO kablam!     |
Oct 13 10:10:20.472 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 13 10:10:20.472 INFO kablam! 
Oct 13 10:10:20.484 INFO kablam! warning: unused import: `std::cmp::max`
Oct 13 10:10:20.484 INFO kablam!   --> src/nfa/has_looks.rs:11:5
Oct 13 10:10:20.484 INFO kablam!    |
Oct 13 10:10:20.484 INFO kablam! 11 | use std::cmp::max;
Oct 13 10:10:20.484 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 10:10:20.484 INFO kablam! 
Oct 13 10:10:22.400 INFO kablam! warning: function is never used: `qc`
Oct 13 10:10:22.400 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Oct 13 10:10:22.400 INFO kablam!     |
Oct 13 10:10:22.400 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Oct 13 10:10:22.400 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:10:22.400 INFO kablam!     |
Oct 13 10:10:22.400 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 10:10:22.400 INFO kablam! 
Oct 13 10:10:22.760 INFO kablam! warning: function is never used: `qc`
Oct 13 10:10:22.760 INFO kablam!    --> src/dfa/prefix_searcher.rs:249:5
Oct 13 10:10:22.760 INFO kablam!     |
Oct 13 10:10:22.760 INFO kablam! 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Oct 13 10:10:22.760 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 10:10:22.760 INFO kablam!     |
Oct 13 10:10:22.760 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 10:10:22.760 INFO kablam! 
Oct 13 10:10:27.456 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
Oct 13 10:10:27.473 INFO kablam! su: No module specific data is present
Oct 13 10:10:27.788 INFO running `"docker" "rm" "-f" "4f686889c5a3540658a029d5bd66c43f6de500fb169cc2c433d82cc2cf4d8160"`
Oct 13 10:10:27.857 INFO blam! 4f686889c5a3540658a029d5bd66c43f6de500fb169cc2c433d82cc2cf4d8160