[INFO] crate bitbuf 1.0.0 is already in cache
[INFO] checking bitbuf-1.0.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate bitbuf 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate bitbuf 1.0.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitbuf 1.0.0
[INFO] finished tweaking crates.io crate bitbuf 1.0.0
[INFO] tweaked toml for crates.io crate bitbuf 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2105c24257bbbb81b180f446b426496c22bb2b2c394e710c7a58e79b1f1b077c
[INFO] running `"docker" "start" "-a" "2105c24257bbbb81b180f446b426496c22bb2b2c394e710c7a58e79b1f1b077c"`
[INFO] [stderr]     Checking bitbuf v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:658:3
[INFO] [stderr]     |
[INFO] [stderr] 658 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:676:3
[INFO] [stderr]     |
[INFO] [stderr] 676 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:697:3
[INFO] [stderr]     |
[INFO] [stderr] 697 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:704:3
[INFO] [stderr]     |
[INFO] [stderr] 704 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:715:3
[INFO] [stderr]     |
[INFO] [stderr] 715 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:729:3
[INFO] [stderr]     |
[INFO] [stderr] 729 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:740:3
[INFO] [stderr]     |
[INFO] [stderr] 740 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:754:3
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:765:3
[INFO] [stderr]     |
[INFO] [stderr] 765 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:776:3
[INFO] [stderr]     |
[INFO] [stderr] 776 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:790:3
[INFO] [stderr]     |
[INFO] [stderr] 790 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:801:3
[INFO] [stderr]     |
[INFO] [stderr] 801 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:812:3
[INFO] [stderr]     |
[INFO] [stderr] 812 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |         self.in_write_byte((if value {1} else {0}), 1);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:659:40
[INFO] [stderr]     |
[INFO] [stderr] 659 | fn benchperson_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                        ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:677:39
[INFO] [stderr]     |
[INFO] [stderr] 677 | fn benchperson_read1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                       ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:698:32
[INFO] [stderr]     |
[INFO] [stderr] 698 | fn bitbuf_create_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:705:36
[INFO] [stderr]     |
[INFO] [stderr] 705 | fn in_byte_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                    ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:716:35
[INFO] [stderr]     |
[INFO] [stderr] 716 | fn in_byte_read1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                   ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:730:35
[INFO] [stderr]     |
[INFO] [stderr] 730 | fn string_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                   ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:741:34
[INFO] [stderr]     |
[INFO] [stderr] 741 | fn string_read1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                  ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:755:32
[INFO] [stderr]     |
[INFO] [stderr] 755 | fn i32_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:766:32
[INFO] [stderr]     |
[INFO] [stderr] 766 | fn i64_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:777:31
[INFO] [stderr]     |
[INFO] [stderr] 777 | fn i64_read1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                               ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:791:32
[INFO] [stderr]     |
[INFO] [stderr] 791 | fn f32_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:802:32
[INFO] [stderr]     |
[INFO] [stderr] 802 | fn f64_write1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                                ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Bencher` in this scope
[INFO] [stderr]    --> src/lib.rs:813:31
[INFO] [stderr]     |
[INFO] [stderr] 813 | fn f64_read1400_bench(b: &mut Bencher) {
[INFO] [stderr]     |                               ^^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::bench::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 1   | use test::test::Bencher;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:658:3
[INFO] [stderr]     |
[INFO] [stderr] 658 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:676:3
[INFO] [stderr]     |
[INFO] [stderr] 676 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:697:3
[INFO] [stderr]     |
[INFO] [stderr] 697 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:704:3
[INFO] [stderr]     |
[INFO] [stderr] 704 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:715:3
[INFO] [stderr]     |
[INFO] [stderr] 715 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:729:3
[INFO] [stderr]     |
[INFO] [stderr] 729 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:740:3
[INFO] [stderr]     |
[INFO] [stderr] 740 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:754:3
[INFO] [stderr]     |
[INFO] [stderr] 754 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:765:3
[INFO] [stderr]     |
[INFO] [stderr] 765 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:776:3
[INFO] [stderr]     |
[INFO] [stderr] 776 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:790:3
[INFO] [stderr]     |
[INFO] [stderr] 790 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:801:3
[INFO] [stderr]     |
[INFO] [stderr] 801 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stderr]    --> src/lib.rs:812:3
[INFO] [stderr]     |
[INFO] [stderr] 812 | #[bench]
[INFO] [stderr]     |   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:101:28
[INFO] [stderr]     |
[INFO] [stderr] 101 |         self.in_write_byte((if value {1} else {0}), 1);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 13 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `bitbuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/lib.rs:662:29
[INFO] [stderr]     |
[INFO] [stderr] 662 |         first_name: String::from_str("John"),
[INFO] [stderr]     |                             ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/lib.rs:663:28
[INFO] [stderr]     |
[INFO] [stderr] 663 |         last_name: String::from_str("Johnson"),
[INFO] [stderr]     |                            ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/lib.rs:680:29
[INFO] [stderr]     |
[INFO] [stderr] 680 |         first_name: String::from_str("John"),
[INFO] [stderr]     |                             ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_str` found for struct `std::string::String` in the current scope
[INFO] [stderr]    --> src/lib.rs:681:28
[INFO] [stderr]     |
[INFO] [stderr] 681 |         last_name: String::from_str("Johnson"),
[INFO] [stderr]     |                            ^^^^^^^^ function or associated item not found in `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 1   | use std::str::FromStr;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 30 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `bitbuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2105c24257bbbb81b180f446b426496c22bb2b2c394e710c7a58e79b1f1b077c"`
[INFO] running `"docker" "rm" "-f" "2105c24257bbbb81b180f446b426496c22bb2b2c394e710c7a58e79b1f1b077c"`
[INFO] [stdout] 2105c24257bbbb81b180f446b426496c22bb2b2c394e710c7a58e79b1f1b077c