[INFO] fetching crate ra-ap-rustc_index 0.139.0...
[INFO] testing ra-ap-rustc_index-0.139.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ra-ap-rustc_index 0.139.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate ra-ap-rustc_index 0.139.0
[INFO] finished tweaking crates.io crate ra-ap-rustc_index 0.139.0
[INFO] tweaked toml for crates.io crate ra-ap-rustc_index 0.139.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ra-ap-rustc_index 0.139.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ra-ap-rustc_index 0.139.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ra-ap-rustc_index_macros v0.139.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b76675363a95285a0c58ec6ca9cb93b010ff0bdc777c84de043c63e86d4e3d16
[INFO] running `Command { std: "docker" "start" "-a" "b76675363a95285a0c58ec6ca9cb93b010ff0bdc777c84de043c63e86d4e3d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b76675363a95285a0c58ec6ca9cb93b010ff0bdc777c84de043c63e86d4e3d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76675363a95285a0c58ec6ca9cb93b010ff0bdc777c84de043c63e86d4e3d16", kill_on_drop: false }`
[INFO] [stdout] b76675363a95285a0c58ec6ca9cb93b010ff0bdc777c84de043c63e86d4e3d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b209605585964851bd5ff61f89388e5c30da86740b6271979a5880d87a9c839
[INFO] running `Command { std: "docker" "start" "-a" "2b209605585964851bd5ff61f89388e5c30da86740b6271979a5880d87a9c839", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.139.0
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.139.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "2b209605585964851bd5ff61f89388e5c30da86740b6271979a5880d87a9c839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b209605585964851bd5ff61f89388e5c30da86740b6271979a5880d87a9c839", kill_on_drop: false }`
[INFO] [stdout] 2b209605585964851bd5ff61f89388e5c30da86740b6271979a5880d87a9c839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e365f17b32a99bcb86b7fe9f9cf683a13fd0390ea505a69e72cffb4172c771e6
[INFO] running `Command { std: "docker" "start" "-a" "e365f17b32a99bcb86b7fe9f9cf683a13fd0390ea505a69e72cffb4172c771e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra-ap-rustc_index v0.139.0 (/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:688:3
[INFO] [stdout]     |
[INFO] [stdout] 688 | #[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:696:3
[INFO] [stdout]     |
[INFO] [stdout] 696 | #[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:704:3
[INFO] [stdout]     |
[INFO] [stdout] 704 | #[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:712:3
[INFO] [stdout]     |
[INFO] [stdout] 712 | #[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] 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:689:25
[INFO] [stdout]     |
[INFO] [stdout] 689 | 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:697:25
[INFO] [stdout]     |
[INFO] [stdout] 697 | 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:705:23
[INFO] [stdout]     |
[INFO] [stdout] 705 | 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:713:28
[INFO] [stdout]     |
[INFO] [stdout] 713 | 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:691:7
[INFO] [stdout]     |
[INFO] [stdout] 691 |     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:699:7
[INFO] [stdout]     |
[INFO] [stdout] 699 |     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:707:7
[INFO] [stdout]     |
[INFO] [stdout] 707 |     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:716:7
[INFO] [stdout]     |
[INFO] [stdout] 716 |     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
[INFO] running `Command { std: "docker" "inspect" "e365f17b32a99bcb86b7fe9f9cf683a13fd0390ea505a69e72cffb4172c771e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e365f17b32a99bcb86b7fe9f9cf683a13fd0390ea505a69e72cffb4172c771e6", kill_on_drop: false }`
[INFO] [stdout] e365f17b32a99bcb86b7fe9f9cf683a13fd0390ea505a69e72cffb4172c771e6
