[INFO] fetching crate ra_ap_ide 0.0.67...
[INFO] testing ra_ap_ide-0.0.67 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ra_ap_ide 0.0.67 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ra_ap_ide 0.0.67 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ra_ap_ide 0.0.67
[INFO] finished tweaking crates.io crate ra_ap_ide 0.0.67
[INFO] tweaked toml for crates.io crate ra_ap_ide 0.0.67 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ce9a5f33ff632da3c2f48b61cdf2ab8fb4e1bad93e4930526d8c196c9f92aa
[INFO] running `Command { std: "docker" "start" "-a" "28ce9a5f33ff632da3c2f48b61cdf2ab8fb4e1bad93e4930526d8c196c9f92aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ce9a5f33ff632da3c2f48b61cdf2ab8fb4e1bad93e4930526d8c196c9f92aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ce9a5f33ff632da3c2f48b61cdf2ab8fb4e1bad93e4930526d8c196c9f92aa", kill_on_drop: false }`
[INFO] [stdout] 28ce9a5f33ff632da3c2f48b61cdf2ab8fb4e1bad93e4930526d8c196c9f92aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ef795bd9f76e984a83beea3dfa9e345d3d7a4dc8686714156c658804b4e6b8c
[INFO] running `Command { std: "docker" "start" "-a" "5ef795bd9f76e984a83beea3dfa9e345d3d7a4dc8686714156c658804b4e6b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.67
[INFO] [stderr]    Compiling cov-mark v2.0.0-pre.1
[INFO] [stderr]    Compiling ra_ap_limit v0.0.67
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling ra_ap_parser v0.0.67
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.67
[INFO] [stderr]    Compiling always-assert v0.1.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling salsa-macros v0.17.0-pre.1
[INFO] [stderr]    Compiling chalk-derive v0.69.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling ra_ap_paths v0.0.67
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.67
[INFO] [stderr]    Compiling ra_ap_tt v0.0.67
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ra_ap_profile v0.0.67
[INFO] [stderr]    Compiling rowan v0.13.0-pre.8
[INFO] [stderr]    Compiling ra_ap_cfg v0.0.67
[INFO] [stderr]    Compiling ra_ap_test_utils v0.0.67
[INFO] [stderr]    Compiling ra_ap_vfs v0.0.67
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v6.0.2
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.67
[INFO] [stderr]    Compiling chalk-ir v0.69.0
[INFO] [stderr]    Compiling salsa v0.17.0-pre.1
[INFO] [stderr]    Compiling chalk-solve v0.69.0
[INFO] [stderr]    Compiling ra_ap_base_db v0.0.67
[INFO] [stderr]    Compiling ra_ap_mbe v0.0.67
[INFO] [stderr]    Compiling ra_ap_hir_expand v0.0.67
[INFO] [stderr]    Compiling ra_ap_hir_def v0.0.67
[INFO] [stderr]    Compiling chalk-recursive v0.69.0
[INFO] [stderr]    Compiling ra_ap_hir_ty v0.0.67
[INFO] [stderr]    Compiling ra_ap_hir v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide_db v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide_diagnostics v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide_completion v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide_assists v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide_ssr v0.0.67
[INFO] [stderr]    Compiling ra_ap_ide v0.0.67 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "5ef795bd9f76e984a83beea3dfa9e345d3d7a4dc8686714156c658804b4e6b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef795bd9f76e984a83beea3dfa9e345d3d7a4dc8686714156c658804b4e6b8c", kill_on_drop: false }`
[INFO] [stdout] 5ef795bd9f76e984a83beea3dfa9e345d3d7a4dc8686714156c658804b4e6b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43042d5c01f782f6900d30dff3b593b519347f574c6f3b1a1d40dc5734ee9f44
[INFO] running `Command { std: "docker" "start" "-a" "43042d5c01f782f6900d30dff3b593b519347f574c6f3b1a1d40dc5734ee9f44", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_ap_ide v0.0.67 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> src/fixture.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use test_utils::extract_annotations;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/folding_ranges.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use test_utils::extract_tags;
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/inlay_hints.rs:445:9
[INFO] [stdout]     |
[INFO] [stdout] 445 |     use test_utils::extract_annotations;
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/join_lines.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use test_utils::{add_cursor, assert_eq_text, extract_offset, extract_range};
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> src/matching_brace.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use test_utils::{add_cursor, assert_eq_text, extract_offset};
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/rename.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use test_utils::assert_eq_text;
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]  --> src/syntax_highlighting/tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use test_utils::{bench, bench_fixture, skip_slow_tests, AssertLinear};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/typing/on_enter.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use test_utils::assert_eq_text;
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]    --> src/typing.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     use test_utils::{assert_eq_text, extract_offset};
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_utils`
[INFO] [stdout]    --> src/display/navigation_target.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         test_utils::assert_eq_text!(expected.trim(), actual.trim(),);
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_utils`
[INFO] [stdout]   --> src/call_hierarchy.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         test_utils::assert_eq_text!(expected.trim(), actual.trim(),);
[INFO] [stdout]    |         ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]    --> src/join_lines.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         assert_eq_text!(ra_fixture_after, &actual);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]    --> src/join_lines.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |         assert_eq_text!(ra_fixture_after, &actual);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]   --> src/matching_brace.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             assert_eq_text!(after, &actual);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]    --> src/rename.rs:296:21
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     assert_eq_text!(ra_fixture_after, &*result);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]    --> src/typing/on_enter.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         assert_eq_text!(ra_fixture_after, &actual);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `assert_eq_text`
[INFO] [stdout]    --> src/typing.rs:258:9
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert_eq_text!(ra_fixture_after, &actual);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/folding_ranges.rs:275:22
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let (ranges, text) = extract_tags(ra_fixture, "fold");
[INFO] [stdout]     |                      ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |         let (before_cursor_pos, before) = extract_offset(ra_fixture_before);
[INFO] [stdout]     |                                 ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/join_lines.rs:288:26
[INFO] [stdout]     |
[INFO] [stdout] 288 |             result.apply(&mut actual);
[INFO] [stdout]     |                          ^^^^^^^^^^^ expected struct `std::string::String`, found `str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut std::string::String`
[INFO] [stdout]                found mutable reference `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |             let mut actual = before;
[INFO] [stdout]     |                 ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let actual = {
[INFO] [stdout]     |             ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:305:19
[INFO] [stdout]     |
[INFO] [stdout] 305 |         let (sel, before) = extract_range(ra_fixture_before);
[INFO] [stdout]     |                   ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/join_lines.rs:310:26
[INFO] [stdout]     |
[INFO] [stdout] 310 |             result.apply(&mut actual);
[INFO] [stdout]     |                          ^^^^^^^^^^^ expected struct `std::string::String`, found `str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut std::string::String`
[INFO] [stdout]                found mutable reference `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:309:17
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let mut actual = before;
[INFO] [stdout]     |                 ^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> src/join_lines.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let actual = {
[INFO] [stdout]     |             ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]   --> src/matching_brace.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let (pos, before) = extract_offset(before);
[INFO] [stdout]    |                       ^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]    = note: all local variables must have a statically known size
[INFO] [stdout]    = help: unsized locals are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ra_ap_ide`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "43042d5c01f782f6900d30dff3b593b519347f574c6f3b1a1d40dc5734ee9f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43042d5c01f782f6900d30dff3b593b519347f574c6f3b1a1d40dc5734ee9f44", kill_on_drop: false }`
[INFO] [stdout] 43042d5c01f782f6900d30dff3b593b519347f574c6f3b1a1d40dc5734ee9f44
