[INFO] fetching crate punkt 1.0.5...
[INFO] testing punkt-1.0.5 against 1.47.0 for beta-1.48-1
[INFO] extracting crate punkt 1.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate punkt 1.0.5 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate punkt 1.0.5
[INFO] finished tweaking crates.io crate punkt 1.0.5
[INFO] tweaked toml for crates.io crate punkt 1.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d25a995a0de5b2419163b41d843e998cf75f6f854398a032a51b70c159a9a09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d25a995a0de5b2419163b41d843e998cf75f6f854398a032a51b70c159a9a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d25a995a0de5b2419163b41d843e998cf75f6f854398a032a51b70c159a9a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d25a995a0de5b2419163b41d843e998cf75f6f854398a032a51b70c159a9a09", kill_on_drop: false }`
[INFO] [stdout] 0d25a995a0de5b2419163b41d843e998cf75f6f854398a032a51b70c159a9a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4aef471dfa45bf2910db517665e47d4416ad9c7225a83ebb9241b7e3fd91ff8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4aef471dfa45bf2910db517665e47d4416ad9c7225a83ebb9241b7e3fd91ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-freqdist v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_macros v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling punkt v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:141:1
[INFO] [stdout]     |
[INFO] [stdout] 141 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/trainer.rs:774:7
[INFO] [stdout]     |
[INFO] [stdout] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 785 | / bench_trainer!(
[INFO] [stdout] 786 | |   bench_trainer_short,
[INFO] [stdout] 787 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stdout] 788 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/trainer.rs:774:7
[INFO] [stdout]     |
[INFO] [stdout] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 790 | / bench_trainer!(
[INFO] [stdout] 791 | |   bench_trainer_medium,
[INFO] [stdout] 792 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stdout] 793 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/trainer.rs:774:7
[INFO] [stdout]     |
[INFO] [stdout] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 795 | / bench_trainer!(
[INFO] [stdout] 796 | |   bench_trainer_long,
[INFO] [stdout] 797 | |   include_str!("../test/raw/the-sayings-of-confucius.txt")
[INFO] [stdout] 798 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/trainer.rs:774:7
[INFO] [stdout]     |
[INFO] [stdout] 774 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 800 | / bench_trainer!(
[INFO] [stdout] 801 | |   bench_trainer_very_long,
[INFO] [stdout] 802 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stdout] 803 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:722:7
[INFO] [stdout]     |
[INFO] [stdout] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 731 | / bench_word_tokenizer!(
[INFO] [stdout] 732 | |   word_tokenizer_bench_short,
[INFO] [stdout] 733 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stdout] 734 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:722:7
[INFO] [stdout]     |
[INFO] [stdout] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 736 | / bench_word_tokenizer!(
[INFO] [stdout] 737 | |   word_tokenizer_bench_medium,
[INFO] [stdout] 738 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stdout] 739 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:722:7
[INFO] [stdout]     |
[INFO] [stdout] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 741 | / bench_word_tokenizer!(
[INFO] [stdout] 742 | |   word_tokenizer_bench_long,
[INFO] [stdout] 743 | |   include_str!("../test/raw/the-sayings-of-confucius.txt")
[INFO] [stdout] 744 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:722:7
[INFO] [stdout]     |
[INFO] [stdout] 722 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 746 | / bench_word_tokenizer!(
[INFO] [stdout] 747 | |   word_tokenizer_bench_very_long,
[INFO] [stdout] 748 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stdout] 749 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:753:7
[INFO] [stdout]     |
[INFO] [stdout] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 769 | / bench_sentence_tokenizer!(
[INFO] [stdout] 770 | |   bench_sentence_tokenizer_train_on_document_short,
[INFO] [stdout] 771 | |   include_str!("../test/raw/sigma-wiki.txt")
[INFO] [stdout] 772 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:753:7
[INFO] [stdout]     |
[INFO] [stdout] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 774 | / bench_sentence_tokenizer!(
[INFO] [stdout] 775 | |   bench_sentence_tokenizer_train_on_document_medium,
[INFO] [stdout] 776 | |   include_str!("../test/raw/npr-article-01.txt")
[INFO] [stdout] 777 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/tokenizer.rs:753:7
[INFO] [stdout]     |
[INFO] [stdout] 753 |       #[bench] fn $name(b: &mut ::test::Bencher) {
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 779 | / bench_sentence_tokenizer!(
[INFO] [stdout] 780 | |   bench_sentence_tokenizer_train_on_document_long,
[INFO] [stdout] 781 | |   include_str!("../test/raw/pride-and-prejudice.txt")
[INFO] [stdout] 782 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `punkt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f4aef471dfa45bf2910db517665e47d4416ad9c7225a83ebb9241b7e3fd91ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4aef471dfa45bf2910db517665e47d4416ad9c7225a83ebb9241b7e3fd91ff8", kill_on_drop: false }`
[INFO] [stdout] f4aef471dfa45bf2910db517665e47d4416ad9c7225a83ebb9241b7e3fd91ff8
