[INFO] crate punkt 1.0.5 is already in cache
[INFO] extracting crate punkt 1.0.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/punkt/1.0.5
[INFO] extracting crate punkt 1.0.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/punkt/1.0.5
[INFO] validating manifest of punkt-1.0.5 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of punkt-1.0.5 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing punkt-1.0.5
[INFO] finished frobbing punkt-1.0.5
[INFO] frobbed toml for punkt-1.0.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/punkt/1.0.5/Cargo.toml
[INFO] started frobbing punkt-1.0.5
[INFO] finished frobbing punkt-1.0.5
[INFO] frobbed toml for punkt-1.0.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/punkt/1.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing punkt-1.0.5 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/punkt/1.0.5:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 53319ea6e7ef4296b50ea1146c23e1e6cab675088c60b95ee644441ccb69d625
[INFO] running `"docker" "start" "-a" "53319ea6e7ef4296b50ea1146c23e1e6cab675088c60b95ee644441ccb69d625"`
[INFO] [stderr]    Compiling rust-freqdist v0.1.5
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling punkt v1.0.5 (/opt/crater/workdir)
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/trainer.rs:774:7
[INFO] [stderr]     |
[INFO] [stderr] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 785 | / bench_trainer!(
[INFO] [stderr] 786 | |   bench_trainer_short,
[INFO] [stderr] 787 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stderr] 788 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/trainer.rs:774:7
[INFO] [stderr]     |
[INFO] [stderr] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 790 | / bench_trainer!(
[INFO] [stderr] 791 | |   bench_trainer_medium,
[INFO] [stderr] 792 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stderr] 793 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/trainer.rs:774:7
[INFO] [stderr]     |
[INFO] [stderr] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 795 | / bench_trainer!(
[INFO] [stderr] 796 | |   bench_trainer_long,
[INFO] [stderr] 797 | |   include_str!("../test/raw/the-sayings-of-confucius.txt")
[INFO] [stderr] 798 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/trainer.rs:774:7
[INFO] [stderr]     |
[INFO] [stderr] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 800 | / bench_trainer!(
[INFO] [stderr] 801 | |   bench_trainer_very_long,
[INFO] [stderr] 802 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stderr] 803 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:722:7
[INFO] [stderr]     |
[INFO] [stderr] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 731 | / bench_word_tokenizer!(
[INFO] [stderr] 732 | |   word_tokenizer_bench_short,
[INFO] [stderr] 733 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stderr] 734 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:722:7
[INFO] [stderr]     |
[INFO] [stderr] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 736 | / bench_word_tokenizer!(
[INFO] [stderr] 737 | |   word_tokenizer_bench_medium,
[INFO] [stderr] 738 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stderr] 739 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:722:7
[INFO] [stderr]     |
[INFO] [stderr] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 741 | / bench_word_tokenizer!(
[INFO] [stderr] 742 | |   word_tokenizer_bench_long,
[INFO] [stderr] 743 | |   include_str!("../test/raw/the-sayings-of-confucius.txt")
[INFO] [stderr] 744 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:722:7
[INFO] [stderr]     |
[INFO] [stderr] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 746 | / bench_word_tokenizer!(
[INFO] [stderr] 747 | |   word_tokenizer_bench_very_long,
[INFO] [stderr] 748 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stderr] 749 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:753:7
[INFO] [stderr]     |
[INFO] [stderr] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 769 | / bench_sentence_tokenizer!(
[INFO] [stderr] 770 | |   bench_sentence_tokenizer_train_on_document_short,
[INFO] [stderr] 771 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stderr] 772 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:753:7
[INFO] [stderr]     |
[INFO] [stderr] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 774 | / bench_sentence_tokenizer!(
[INFO] [stderr] 775 | |   bench_sentence_tokenizer_train_on_document_medium,
[INFO] [stderr] 776 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stderr] 777 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/tokenizer.rs:753:7
[INFO] [stderr]     |
[INFO] [stderr] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 779 | / bench_sentence_tokenizer!(
[INFO] [stderr] 780 | |   bench_sentence_tokenizer_train_on_document_long,
[INFO] [stderr] 781 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stderr] 782 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/50297
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | #![feature(proc_macro_hygiene)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `punkt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "53319ea6e7ef4296b50ea1146c23e1e6cab675088c60b95ee644441ccb69d625"`
[INFO] running `"docker" "rm" "-f" "53319ea6e7ef4296b50ea1146c23e1e6cab675088c60b95ee644441ccb69d625"`
[INFO] [stdout] 53319ea6e7ef4296b50ea1146c23e1e6cab675088c60b95ee644441ccb69d625