Dec 02 20:39:05.990 INFO testing regex_dfa-0.5.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 20:39:05.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 20:39:06.203 INFO [stdout] e8a362acf471aad5d47e5f3c5e15172f8a859451f64e2140bed974b51d9d2ab9
Dec 02 20:39:06.204 INFO running `"docker" "start" "-a" "e8a362acf471aad5d47e5f3c5e15172f8a859451f64e2140bed974b51d9d2ab9"`
Dec 02 20:39:06.554 INFO [stderr] usermod: no changes
Dec 02 20:39:06.577 INFO [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Dec 02 20:39:06.577 INFO [stderr] disables Cargo from automatically inferring other benchmark targets.
Dec 02 20:39:06.577 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 20:39:06.577 INFO [stderr] files will be included as a benchmark target:
Dec 02 20:39:06.577 INFO [stderr] 
Dec 02 20:39:06.577 INFO [stderr] * /source/benches/bench.rs
Dec 02 20:39:06.577 INFO [stderr] 
Dec 02 20:39:06.577 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 20:39:06.577 INFO [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself
Dec 02 20:39:06.577 INFO [stderr] and disable this warning by adding `autobenches = false` to your [package]
Dec 02 20:39:06.577 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 20:39:06.578 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 20:39:06.578 INFO [stderr] 
Dec 02 20:39:06.578 INFO [stderr] For more information on this warning you can consult
Dec 02 20:39:06.578 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 20:39:06.578 INFO [stderr] warning: file found to be present in multiple build targets: /source/src/lib.rs
Dec 02 20:39:06.631 INFO [stderr]    Compiling regex-syntax v0.2.6
Dec 02 20:39:06.631 INFO [stderr]    Compiling refinery v0.1.1
Dec 02 20:39:06.633 INFO [stderr]    Compiling range-map v0.1.5
Dec 02 20:39:09.119 INFO [stderr]    Compiling regex_dfa v0.5.0 (/source)
Dec 02 20:39:10.223 INFO [stderr] warning: unused import: `std::cmp::max`
Dec 02 20:39:10.223 INFO [stderr]   --> src/nfa/has_looks.rs:11:5
Dec 02 20:39:10.223 INFO [stderr]    |
Dec 02 20:39:10.223 INFO [stderr] 11 | use std::cmp::max;
Dec 02 20:39:10.223 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 02 20:39:10.223 INFO [stderr]    |
Dec 02 20:39:10.223 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 02 20:39:10.223 INFO [stderr] 
Dec 02 20:39:15.369 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.80s
Dec 02 20:39:15.379 INFO [stderr] su: No module specific data is present
Dec 02 20:39:15.592 INFO running `"docker" "inspect" "e8a362acf471aad5d47e5f3c5e15172f8a859451f64e2140bed974b51d9d2ab9"`
Dec 02 20:39:15.648 INFO running `"docker" "rm" "-f" "e8a362acf471aad5d47e5f3c5e15172f8a859451f64e2140bed974b51d9d2ab9"`
Dec 02 20:39:15.722 INFO [stdout] e8a362acf471aad5d47e5f3c5e15172f8a859451f64e2140bed974b51d9d2ab9
Dec 02 20:39:15.725 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 20:39:15.864 INFO [stdout] 8d16ec10c0a112462ba9959056a9252668fc55c3483e201e490894579ed3e32a
Dec 02 20:39:15.866 INFO running `"docker" "start" "-a" "8d16ec10c0a112462ba9959056a9252668fc55c3483e201e490894579ed3e32a"`
Dec 02 20:39:16.236 INFO [stderr] usermod: no changes
Dec 02 20:39:16.260 INFO [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently
Dec 02 20:39:16.260 INFO [stderr] disables Cargo from automatically inferring other benchmark targets.
Dec 02 20:39:16.260 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 20:39:16.260 INFO [stderr] files will be included as a benchmark target:
Dec 02 20:39:16.260 INFO [stderr] 
Dec 02 20:39:16.260 INFO [stderr] * /source/benches/bench.rs
Dec 02 20:39:16.260 INFO [stderr] 
Dec 02 20:39:16.260 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 20:39:16.260 INFO [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself
Dec 02 20:39:16.260 INFO [stderr] and disable this warning by adding `autobenches = false` to your [package]
Dec 02 20:39:16.260 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 20:39:16.260 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 20:39:16.260 INFO [stderr] 
Dec 02 20:39:16.260 INFO [stderr] For more information on this warning you can consult
Dec 02 20:39:16.260 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 20:39:16.260 INFO [stderr] warning: file found to be present in multiple build targets: /source/src/lib.rs
Dec 02 20:39:16.329 INFO [stderr]    Compiling serde v0.6.15
Dec 02 20:39:19.575 INFO [stderr]    Compiling serde_json v0.6.1
Dec 02 20:39:21.319 INFO [stderr]    Compiling regex_dfa v0.5.0 (/source)
Dec 02 20:39:23.687 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:39:23.687 INFO [stderr]   --> src/lib.rs:61:19
Dec 02 20:39:23.687 INFO [stderr]    |
Dec 02 20:39:23.687 INFO [stderr] 61 | #![cfg_attr(test, feature(test))]
Dec 02 20:39:23.687 INFO [stderr]    |                   ^^^^^^^^^^^^^
Dec 02 20:39:23.687 INFO [stderr] 
Dec 02 20:39:23.699 INFO [stderr] error: aborting due to previous error
Dec 02 20:39:23.699 INFO [stderr] 
Dec 02 20:39:23.699 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:39:23.711 INFO [stderr] error: Could not compile `regex_dfa`.
Dec 02 20:39:23.711 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 20:39:23.853 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:39:23.853 INFO [stderr]   --> src/lib.rs:61:19
Dec 02 20:39:23.853 INFO [stderr]    |
Dec 02 20:39:23.853 INFO [stderr] 61 | #![cfg_attr(test, feature(test))]
Dec 02 20:39:23.853 INFO [stderr]    |                   ^^^^^^^^^^^^^
Dec 02 20:39:23.853 INFO [stderr] 
Dec 02 20:39:23.865 INFO [stderr] error: aborting due to previous error
Dec 02 20:39:23.865 INFO [stderr] 
Dec 02 20:39:23.865 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:39:23.874 INFO [stderr] error: Could not compile `regex_dfa`.
Dec 02 20:39:23.874 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 20:39:24.241 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:39:24.241 INFO [stderr]   --> benches/bench_default.rs:10:1
Dec 02 20:39:24.241 INFO [stderr]    |
Dec 02 20:39:24.241 INFO [stderr] 10 | #![feature(test)]
Dec 02 20:39:24.241 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 02 20:39:24.241 INFO [stderr] 
Dec 02 20:39:24.247 INFO [stderr] error: aborting due to previous error
Dec 02 20:39:24.247 INFO [stderr] 
Dec 02 20:39:24.247 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:39:24.248 INFO [stderr] error: Could not compile `regex_dfa`.
Dec 02 20:39:24.248 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 20:39:34.695 INFO [stderr] error: build failed
Dec 02 20:39:34.697 INFO [stderr] su: No module specific data is present
Dec 02 20:39:35.421 INFO running `"docker" "inspect" "8d16ec10c0a112462ba9959056a9252668fc55c3483e201e490894579ed3e32a"`
Dec 02 20:39:35.729 INFO running `"docker" "rm" "-f" "8d16ec10c0a112462ba9959056a9252668fc55c3483e201e490894579ed3e32a"`
Dec 02 20:39:36.055 INFO [stdout] 8d16ec10c0a112462ba9959056a9252668fc55c3483e201e490894579ed3e32a