[INFO] fetching crate ra-ap-rustc_index 0.134.0...
[INFO] testing ra-ap-rustc_index-0.134.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ra-ap-rustc_index 0.134.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ra-ap-rustc_index 0.134.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_index 0.134.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_index 0.134.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ra-ap-rustc_index 0.134.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ra-ap-rustc_index 0.134.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61478822c84078c2d840ecded43e64161c5b822165c38e3abc303e61eb2c50ec
[INFO] running `Command { std: "docker" "start" "-a" "61478822c84078c2d840ecded43e64161c5b822165c38e3abc303e61eb2c50ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61478822c84078c2d840ecded43e64161c5b822165c38e3abc303e61eb2c50ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61478822c84078c2d840ecded43e64161c5b822165c38e3abc303e61eb2c50ec", kill_on_drop: false }`
[INFO] [stdout] 61478822c84078c2d840ecded43e64161c5b822165c38e3abc303e61eb2c50ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 208c3773548d9a81d5f26c90bfb0c502831a0249ada6956684c6904327f4ce29
[INFO] running `Command { std: "docker" "start" "-a" "208c3773548d9a81d5f26c90bfb0c502831a0249ada6956684c6904327f4ce29", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.134.0
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.134.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(bootstrap, feature(new_zeroed_alloc))]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]    --> src/idx.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg(all(feature = "nightly", not(bootstrap)))]
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "208c3773548d9a81d5f26c90bfb0c502831a0249ada6956684c6904327f4ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208c3773548d9a81d5f26c90bfb0c502831a0249ada6956684c6904327f4ce29", kill_on_drop: false }`
[INFO] [stdout] 208c3773548d9a81d5f26c90bfb0c502831a0249ada6956684c6904327f4ce29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ece6cda32858ac1eff86bc7016af4c332f7758fad46026861cd6a6c93afdc5f
[INFO] running `Command { std: "docker" "start" "-a" "0ece6cda32858ac1eff86bc7016af4c332f7758fad46026861cd6a6c93afdc5f", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(bootstrap, feature(new_zeroed_alloc))]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]    --> src/idx.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg(all(feature = "nightly", not(bootstrap)))]
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.134.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> src/bit_set/tests.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |             #[rustfmt::skip]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> src/bit_set/tests.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         #[rustfmt::skip]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> src/bit_set/tests.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         #[rustfmt::skip]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #15701 <https://github.com/rust-lang/rust/issues/15701> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/bit_set/tests.rs:716:3
[INFO] [stdout]     |
[INFO] [stdout] 716 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/bit_set/tests.rs:724:3
[INFO] [stdout]     |
[INFO] [stdout] 724 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/bit_set/tests.rs:732:3
[INFO] [stdout]     |
[INFO] [stdout] 732 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/bit_set/tests.rs:740:3
[INFO] [stdout]     |
[INFO] [stdout] 740 | #[bench]
[INFO] [stdout]     |   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of an internal attribute
[INFO] [stdout]  --> src/vec/tests.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / crate::newtype_index! {
[INFO] [stdout] 5 | |     #[orderable]
[INFO] [stdout] 6 | |     #[max = 0xFFFF_FFFA]
[INFO] [stdout] 7 | |     struct MyIdx {}
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `#[rustc_layout_scalar_valid_range_end]` attribute is an internal implementation detail that will never be stable
[INFO] [stdout]   = note: the `#[rustc_layout_scalar_valid_range_end]` attribute is just used to enable niche optimizations in the standard library
[INFO] [stdout]   = note: this error originates in the macro `crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of an internal attribute
[INFO] [stdout]  --> src/vec/tests.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / crate::newtype_index! {
[INFO] [stdout] 5 | |     #[orderable]
[INFO] [stdout] 6 | |     #[max = 0xFFFF_FFFA]
[INFO] [stdout] 7 | |     struct MyIdx {}
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the `#[rustc_pass_by_value]` attribute is an internal implementation detail that will never be stable
[INFO] [stdout]   = note: `#[rustc_pass_by_value]` is used to mark types that must be passed by value instead of reference.
[INFO] [stdout]   = note: this error originates in the macro `crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]  --> src/lib.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(bootstrap, feature(new_zeroed_alloc))]
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `bootstrap`
[INFO] [stdout]    --> src/idx.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 | #[cfg(all(feature = "nightly", not(bootstrap)))]
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(bootstrap)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(bootstrap)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]  --> src/bit_set/tests.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]  --> src/bit_set/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:717:25
[INFO] [stdout]     |
[INFO] [stdout] 717 | fn bench_insert(b: &mut Bencher) {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:725:25
[INFO] [stdout]     |
[INFO] [stdout] 725 | fn bench_remove(b: &mut Bencher) {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:733:23
[INFO] [stdout]     |
[INFO] [stdout] 733 | fn bench_iter(b: &mut Bencher) {
[INFO] [stdout]     |                       ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:741:28
[INFO] [stdout]     |
[INFO] [stdout] 741 | fn bench_intersect(b: &mut Bencher) {
[INFO] [stdout]     |                            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `step_trait`
[INFO] [stdout]  --> src/vec/tests.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / crate::newtype_index! {
[INFO] [stdout] 5 | |     #[orderable]
[INFO] [stdout] 6 | |     #[max = 0xFFFF_FFFA]
[INFO] [stdout] 7 | |     struct MyIdx {}
[INFO] [stdout] 8 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #42168 <https://github.com/rust-lang/rust/issues/42168> for more information
[INFO] [stdout]   = note: this error originates in the macro `crate::newtype_index` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:719:7
[INFO] [stdout]     |
[INFO] [stdout] 719 |     b.iter(|| {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:727:7
[INFO] [stdout]     |
[INFO] [stdout] 727 |     b.iter(|| {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:735:7
[INFO] [stdout]     |
[INFO] [stdout] 735 |     b.iter(|| {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:744:7
[INFO] [stdout]     |
[INFO] [stdout] 744 |     b.iter(|| {
[INFO] [stdout]     |       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra-ap-rustc_index` (lib test) due to 20 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0ece6cda32858ac1eff86bc7016af4c332f7758fad46026861cd6a6c93afdc5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ece6cda32858ac1eff86bc7016af4c332f7758fad46026861cd6a6c93afdc5f", kill_on_drop: false }`
[INFO] [stdout] 0ece6cda32858ac1eff86bc7016af4c332f7758fad46026861cd6a6c93afdc5f
