[INFO] fetching crate ra-ap-rustc_index 0.161.0...
[INFO] testing ra-ap-rustc_index-0.161.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ra-ap-rustc_index 0.161.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ra-ap-rustc_index 0.161.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_index 0.161.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_index 0.161.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ra-ap-rustc_index 0.161.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ra-ap-rustc_index 0.161.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d165e02473d34299b758403d9ed8c69888409465b9988fd3880c07d6bd727438
[INFO] running `Command { std: "docker" "start" "-a" "d165e02473d34299b758403d9ed8c69888409465b9988fd3880c07d6bd727438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d165e02473d34299b758403d9ed8c69888409465b9988fd3880c07d6bd727438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d165e02473d34299b758403d9ed8c69888409465b9988fd3880c07d6bd727438", kill_on_drop: false }`
[INFO] [stdout] d165e02473d34299b758403d9ed8c69888409465b9988fd3880c07d6bd727438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf460abf89b182bd2cb355e734f28f4a7f1293bb36cad5e98d8441c7cd3f9102
[INFO] running `Command { std: "docker" "start" "-a" "cf460abf89b182bd2cb355e734f28f4a7f1293bb36cad5e98d8441c7cd3f9102", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.161.0
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.161.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bit_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "cf460abf89b182bd2cb355e734f28f4a7f1293bb36cad5e98d8441c7cd3f9102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf460abf89b182bd2cb355e734f28f4a7f1293bb36cad5e98d8441c7cd3f9102", kill_on_drop: false }`
[INFO] [stdout] cf460abf89b182bd2cb355e734f28f4a7f1293bb36cad5e98d8441c7cd3f9102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7593e1d1ff73f5aed9c4bd9b4f84142abaab198da560958bdf3c67cff8319bc9
[INFO] running `Command { std: "docker" "start" "-a" "7593e1d1ff73f5aed9c4bd9b4f84142abaab198da560958bdf3c67cff8319bc9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bit_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.161.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: attributes on expressions are experimental
[INFO] [stdout]    --> src/bit_set/tests.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |         #[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:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |         #[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:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |         #[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:725:3
[INFO] [stdout]     |
[INFO] [stdout] 725 | #[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:733:3
[INFO] [stdout]     |
[INFO] [stdout] 733 | #[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:741:3
[INFO] [stdout]     |
[INFO] [stdout] 741 | #[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:749:3
[INFO] [stdout]     |
[INFO] [stdout] 749 | #[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 `pattern_type_macro`
[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 #123646 <https://github.com/rust-lang/rust/issues/123646> 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 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] error[E0658]: pattern types are unstable
[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 #123646 <https://github.com/rust-lang/rust/issues/123646> 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] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/bit_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[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:726:25
[INFO] [stdout]     |
[INFO] [stdout] 726 | 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:734:25
[INFO] [stdout]     |
[INFO] [stdout] 734 | 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:742:23
[INFO] [stdout]     |
[INFO] [stdout] 742 | 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:750:28
[INFO] [stdout]     |
[INFO] [stdout] 750 | 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 `structural_match`
[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 #31434 <https://github.com/rust-lang/rust/issues/31434> 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:728:7
[INFO] [stdout]     |
[INFO] [stdout] 728 |     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:736:7
[INFO] [stdout]     |
[INFO] [stdout] 736 |     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] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]    --> src/bit_set/tests.rs:753:7
[INFO] [stdout]     |
[INFO] [stdout] 753 |     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 22 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7593e1d1ff73f5aed9c4bd9b4f84142abaab198da560958bdf3c67cff8319bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7593e1d1ff73f5aed9c4bd9b4f84142abaab198da560958bdf3c67cff8319bc9", kill_on_drop: false }`
[INFO] [stdout] 7593e1d1ff73f5aed9c4bd9b4f84142abaab198da560958bdf3c67cff8319bc9
