Dec 18 12:26:15.559 INFO checking regex_dfa-0.5.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:26:15.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/regex_dfa/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:26:15.713 INFO [stdout] a08dbe660d1feebd16ef0a9080619e4018b4b1f8506450f1eec2cb6184db8168
Dec 18 12:26:15.717 INFO running `"docker" "start" "-a" "a08dbe660d1feebd16ef0a9080619e4018b4b1f8506450f1eec2cb6184db8168"`
Dec 18 12:26:16.663 INFO [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Dec 18 12:26:16.663 INFO [stderr] disables Cargo from automatically inferring other benchmark targets.
Dec 18 12:26:16.663 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 18 12:26:16.663 INFO [stderr] files will be included as a benchmark target:
Dec 18 12:26:16.663 INFO [stderr] 
Dec 18 12:26:16.663 INFO [stderr] * /opt/crater/workdir/benches/bench.rs
Dec 18 12:26:16.663 INFO [stderr] 
Dec 18 12:26:16.664 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 18 12:26:16.664 INFO [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself
Dec 18 12:26:16.664 INFO [stderr] and disable this warning by adding `autobenches = false` to your [package]
Dec 18 12:26:16.664 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 18 12:26:16.664 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 18 12:26:16.664 INFO [stderr] 
Dec 18 12:26:16.664 INFO [stderr] For more information on this warning you can consult
Dec 18 12:26:16.664 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 18 12:26:16.664 INFO [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/lib.rs
Dec 18 12:26:16.778 INFO [stderr]     Checking refinery v0.1.1
Dec 18 12:26:16.783 INFO [stderr]     Checking regex-syntax v0.2.6
Dec 18 12:26:16.793 INFO [stderr]     Checking range-map v0.1.5
Dec 18 12:26:16.795 INFO [stderr]     Checking serde v0.6.15
Dec 18 12:26:18.667 INFO [stderr]     Checking regex_dfa v0.5.0 (/opt/crater/workdir)
Dec 18 12:26:19.558 INFO [stderr] warning: unused import: `std::cmp::max`
Dec 18 12:26:19.558 INFO [stderr]   --> src/nfa/has_looks.rs:11:5
Dec 18 12:26:19.558 INFO [stderr]    |
Dec 18 12:26:19.558 INFO [stderr] 11 | use std::cmp::max;
Dec 18 12:26:19.558 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 12:26:19.558 INFO [stderr]    |
Dec 18 12:26:19.558 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:26:19.558 INFO [stderr] 
Dec 18 12:26:20.545 INFO [stderr]     Checking serde_json v0.6.1
Dec 18 12:26:23.133 INFO [stderr] warning: unused imports: `TestResult`, `quickcheck`
Dec 18 12:26:23.133 INFO [stderr]    --> src/dfa/prefix_searcher.rs:244:34
Dec 18 12:26:23.133 INFO [stderr]     |
Dec 18 12:26:23.133 INFO [stderr] 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Dec 18 12:26:23.133 INFO [stderr]     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Dec 18 12:26:23.133 INFO [stderr]     |
Dec 18 12:26:23.133 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 12:26:23.133 INFO [stderr] 
Dec 18 12:26:23.134 INFO [stderr] warning: unused import: `std::cmp::max`
Dec 18 12:26:23.134 INFO [stderr]   --> src/nfa/has_looks.rs:11:5
Dec 18 12:26:23.134 INFO [stderr]    |
Dec 18 12:26:23.134 INFO [stderr] 11 | use std::cmp::max;
Dec 18 12:26:23.134 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 12:26:23.134 INFO [stderr] 
Dec 18 12:26:23.256 INFO [stderr] warning: unused imports: `TestResult`, `quickcheck`
Dec 18 12:26:23.256 INFO [stderr]    --> src/dfa/prefix_searcher.rs:244:34
Dec 18 12:26:23.256 INFO [stderr]     |
Dec 18 12:26:23.256 INFO [stderr] 244 |     use quickcheck::{QuickCheck, quickcheck, StdGen, TestResult};
Dec 18 12:26:23.256 INFO [stderr]     |                                  ^^^^^^^^^^          ^^^^^^^^^^
Dec 18 12:26:23.256 INFO [stderr]     |
Dec 18 12:26:23.256 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 18 12:26:23.256 INFO [stderr] 
Dec 18 12:26:23.260 INFO [stderr] warning: unused import: `std::cmp::max`
Dec 18 12:26:23.260 INFO [stderr]   --> src/nfa/has_looks.rs:11:5
Dec 18 12:26:23.260 INFO [stderr]    |
Dec 18 12:26:23.260 INFO [stderr] 11 | use std::cmp::max;
Dec 18 12:26:23.260 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 18 12:26:23.260 INFO [stderr] 
Dec 18 12:26:24.808 INFO [stderr] warning: function is never used: `qc`
Dec 18 12:26:24.808 INFO [stderr]    --> src/dfa/prefix_searcher.rs:249:5
Dec 18 12:26:24.808 INFO [stderr]     |
Dec 18 12:26:24.808 INFO [stderr] 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Dec 18 12:26:24.808 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:26:24.808 INFO [stderr]     |
Dec 18 12:26:24.808 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 12:26:24.808 INFO [stderr] 
Dec 18 12:26:24.959 INFO [stderr] warning: function is never used: `qc`
Dec 18 12:26:24.959 INFO [stderr]    --> src/dfa/prefix_searcher.rs:249:5
Dec 18 12:26:24.959 INFO [stderr]     |
Dec 18 12:26:24.959 INFO [stderr] 249 |     fn qc(size: usize) -> QuickCheck<StdGen<rand::ThreadRng>> {
Dec 18 12:26:24.959 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 12:26:24.959 INFO [stderr]     |
Dec 18 12:26:24.959 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 12:26:24.959 INFO [stderr] 
Dec 18 12:26:28.680 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
Dec 18 12:26:28.931 INFO running `"docker" "inspect" "a08dbe660d1feebd16ef0a9080619e4018b4b1f8506450f1eec2cb6184db8168"`
Dec 18 12:26:28.999 INFO running `"docker" "rm" "-f" "a08dbe660d1feebd16ef0a9080619e4018b4b1f8506450f1eec2cb6184db8168"`
Dec 18 12:26:29.092 INFO [stdout] a08dbe660d1feebd16ef0a9080619e4018b4b1f8506450f1eec2cb6184db8168