[INFO] crate regex_dfa 0.5.0 is already in cache [INFO] extracting crate regex_dfa 0.5.0 into work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/regex_dfa/0.5.0 [INFO] extracting crate regex_dfa 0.5.0 into work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/regex_dfa/0.5.0 [INFO] validating manifest of regex_dfa-0.5.0 on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of regex_dfa-0.5.0 on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing regex_dfa-0.5.0 [INFO] removed 0 missing tests [INFO] finished frobbing regex_dfa-0.5.0 [INFO] frobbed toml for regex_dfa-0.5.0 written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/reg/regex_dfa/0.5.0/Cargo.toml [INFO] started frobbing regex_dfa-0.5.0 [INFO] removed 0 missing tests [INFO] finished frobbing regex_dfa-0.5.0 [INFO] frobbed toml for regex_dfa-0.5.0 written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/reg/regex_dfa/0.5.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking regex_dfa-0.5.0 against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-1/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 82845bbd055ac69b1c5dd53a0977425d9ea8b74e43be40119df4ef7c6492a739 [INFO] running `"docker" "start" "-a" "82845bbd055ac69b1c5dd53a0977425d9ea8b74e43be40119df4ef7c6492a739"` [INFO] [stderr] warning: An explicit [[bench]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other benchmark targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a benchmark target: [INFO] [stderr] [INFO] [stderr] * /opt/crater/workdir/benches/bench.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a benchmark target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobenches = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/crater/workdir/src/lib.rs [INFO] [stderr] Checking regex-syntax v0.2.6 [INFO] [stderr] Checking refinery v0.1.1 [INFO] [stderr] Checking range-map v0.1.5 [INFO] [stderr] Checking regex_dfa v0.5.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::cmp::max` [INFO] [stderr] --> src/nfa/has_looks.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::cmp::max; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:61:19 [INFO] [stderr] | [INFO] [stderr] 61 | #![cfg_attr(test, feature(test))] [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `regex_dfa`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "82845bbd055ac69b1c5dd53a0977425d9ea8b74e43be40119df4ef7c6492a739"` [INFO] running `"docker" "rm" "-f" "82845bbd055ac69b1c5dd53a0977425d9ea8b74e43be40119df4ef7c6492a739"` [INFO] [stdout] 82845bbd055ac69b1c5dd53a0977425d9ea8b74e43be40119df4ef7c6492a739