[INFO] fetching crate laby 0.4.1...
[INFO] testing laby-0.4.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate laby 0.4.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate laby 0.4.1
[INFO] finished tweaking crates.io crate laby 0.4.1
[INFO] tweaked toml for crates.io crate laby 0.4.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate laby 0.4.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3fd10b34e5966fb0e47917156741b301bff52407b699c69dc61d8efc3a6b399
[INFO] running `Command { std: "docker" "start" "-a" "c3fd10b34e5966fb0e47917156741b301bff52407b699c69dc61d8efc3a6b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3fd10b34e5966fb0e47917156741b301bff52407b699c69dc61d8efc3a6b399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fd10b34e5966fb0e47917156741b301bff52407b699c69dc61d8efc3a6b399", kill_on_drop: false }`
[INFO] [stdout] c3fd10b34e5966fb0e47917156741b301bff52407b699c69dc61d8efc3a6b399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 851d5aac69a53ae72e633c55af5e07a70532eb8230488f8493886f6ced9e804b
[INFO] running `Command { std: "docker" "start" "-a" "851d5aac69a53ae72e633c55af5e07a70532eb8230488f8493886f6ced9e804b", kill_on_drop: false }`
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling itoap v1.0.1
[INFO] [stderr]    Compiling laby_common v0.2.0
[INFO] [stderr]    Compiling laby_macros v0.3.0
[INFO] [stderr]    Compiling laby v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "851d5aac69a53ae72e633c55af5e07a70532eb8230488f8493886f6ced9e804b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851d5aac69a53ae72e633c55af5e07a70532eb8230488f8493886f6ced9e804b", kill_on_drop: false }`
[INFO] [stdout] 851d5aac69a53ae72e633c55af5e07a70532eb8230488f8493886f6ced9e804b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64950d35d0716720346eb5913e0f371cb530fd793d23578ed3c837ef85458168
[INFO] running `Command { std: "docker" "start" "-a" "64950d35d0716720346eb5913e0f371cb530fd793d23578ed3c837ef85458168", kill_on_drop: false }`
[INFO] [stderr]    Compiling laby v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "64950d35d0716720346eb5913e0f371cb530fd793d23578ed3c837ef85458168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64950d35d0716720346eb5913e0f371cb530fd793d23578ed3c837ef85458168", kill_on_drop: false }`
[INFO] [stdout] 64950d35d0716720346eb5913e0f371cb530fd793d23578ed3c837ef85458168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6efe042e97676f04b7e3177512353da01e4485c798a904812f638cb87d4654d1
[INFO] running `Command { std: "docker" "start" "-a" "6efe042e97676f04b7e3177512353da01e4485c798a904812f638cb87d4654d1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/laby-fbc743a24b48e3d4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/attributes.rs (/opt/rustwide/target/debug/deps/attributes-b3cdc8864439f1d8)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test attr_first ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test mixed ... ok
[INFO] [stdout] test children_first ... ok
[INFO] [stdout] test variable_both ... ok
[INFO] [stdout] test variable_name ... ok
[INFO] [stdout] test variable_value ... ok
[INFO] [stdout] test variable_what ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/boolean.rs (/opt/rustwide/target/debug/deps/boolean-440042f0348abddc)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test disabled ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] test weird ... ok
[INFO] [stdout] test enabled ... ok
[INFO] [stdout] test variable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running tests/classes.rs (/opt/rustwide/target/debug/deps/classes-f5c8379eac79a4b9)
[INFO] [stdout] test escape ... ok
[INFO] [stdout] test nones ... ok
[INFO] [stdout] test only_exprs ... ok
[INFO] [stdout] test mixed ... ok
[INFO] [stdout] test only_lits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/complex.rs (/opt/rustwide/target/debug/deps/complex-7941441de79b1863)
[INFO] [stderr]      Running tests/component.rs (/opt/rustwide/target/debug/deps/component-4b66ffddb14f6a05)
[INFO] [stdout] test argument ... ok
[INFO] [stdout] test nesting ... ok
[INFO] [stdout] test types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test default_args ... ok
[INFO] [stdout] test difficult_args ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test rest ... ok
[INFO] [stdout] test default_args_render ... ok
[INFO] [stdout] test args ... ok
[INFO] [stdout] test modules ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test default_args_generic ... ok
[INFO] [stdout] test direct_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/disp.rs (/opt/rustwide/target/debug/deps/disp-17e4b5e85d8762ec)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test normal ... ok
[INFO] [stderr]      Running tests/elements.rs (/opt/rustwide/target/debug/deps/elements-c3bfbfbd1edb1b8d)
[INFO] [stdout] test escape ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test normal ... ok
[INFO] [stdout] test void ... ok
[INFO] [stdout] test void_nested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/escape.rs (/opt/rustwide/target/debug/deps/escape-211bfd8a2d2d84df)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test attr ... ok
[INFO] [stdout] test attr_name ... ok
[INFO] [stdout] test child ... ok
[INFO] [stdout] test raw_attr ... ok
[INFO] [stdout] test all ... ok
[INFO] [stdout] test raw_attr_name ... ok
[INFO] [stdout] test raw_child ... ok
[INFO] [stdout] test unicode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/flatten.rs (/opt/rustwide/target/debug/deps/flatten-56842bea1f0fe728)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test flattened ... ok
[INFO] [stdout] test non_flattened ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/frag.rs (/opt/rustwide/target/debug/deps/frag-d539cd6623f70aef)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test multi ... ok
[INFO] [stdout] test multi2 ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] test none2 ... ok
[INFO] [stdout] test single ... ok
[INFO] [stdout] test types ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/frag_match.rs (/opt/rustwide/target/debug/deps/frag_match-bf6fcfc1ab044558)
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test advanced_if ... ok
[INFO] [stdout] test advanced_match ... ok
[INFO] [stdout] test simple_match ... ok
[INFO] [stdout] test simple_if ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-fec323871d281453)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test complex ... ok
[INFO] [stdout] test lines ... ok
[INFO] [stdout] test many ... ok
[INFO] [stdout] test custom ... ok
[INFO] [stdout] test none ... ok
[INFO] [stderr]      Running tests/literal.rs (/opt/rustwide/target/debug/deps/literal-6fb42e669fbb03f2)
[INFO] [stdout] test one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test float_epsilon ... ok
[INFO] [stdout] test hex ... ok
[INFO] [stdout] test int_large ... ok
[INFO] [stdout] test float_large ... ok
[INFO] [stdout] test raw_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/render.rs (/opt/rustwide/target/debug/deps/render-60ab3c5aa33a8614)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test multiple ... ok
[INFO] [stdout] test none ... ok
[INFO] [stderr]    Doc-tests laby
[INFO] [stdout] test single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/helpers.rs - helpers::disp (line 481) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::iter (line 255) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::iter_lines (line 318) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::raw (line 404) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::render (line 62) ... ignored
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::disp (line 493) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 80) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 91) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::raw (line 421) ... ok
[INFO] [stdout] test src/lib.rs - (line 145) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 129) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::iter (line 276) ... ok
[INFO] [stdout] test src/doctype.rs - doctype::DocType (line 18) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::RenderRaw (line 354) ... ok
[INFO] [stdout] test src/lib.rs - frag_match (line 719) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::iter_lines (line 327) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 116) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::bool (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 125) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::iter (line 288) ... ok
[INFO] [stdout] test src/lib.rs - (line 191) ... ok
[INFO] [stdout] test src/lib.rs - (line 351) ... ok
[INFO] [stdout] test src/lib.rs - frag_match (line 737) ... FAILED
[INFO] [stdout] test src/lib.rs - laby (line 538) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - laby (line 494) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - frag (line 694) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 477) ... ok
[INFO] [stdout] test src/lib.rs - (line 249) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 456) ... ok
[INFO] [stdout] test src/lib.rs - (line 296) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 648) ... FAILED
[INFO] [stdout] test src/lib.rs - laby (line 559) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - laby (line 590) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - laby (line 616) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - frag (line 678) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 514) ... ok
[INFO] [stdout] test src/lib.rs - classes (line 776) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - frag_match (line 737) stdout ----
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/lib.rs:738:38
[INFO] [stdout]     |
[INFO] [stdout] 738 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_737_0() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: Render` will fail
[INFO] [stdout]    --> src/lib.rs:751:23
[INFO] [stdout]     |
[INFO] [stdout] 751 | let s = render!(iter!(vec));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]     = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - laby (line 648) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> src/lib.rs:648:1
[INFO] [stdout]     |
[INFO] [stdout] 648 | #![feature(decl_macro)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - frag_match (line 737)
[INFO] [stdout]     src/lib.rs - laby (line 648)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 33 passed; 2 failed; 6 ignored; 0 measured; 0 filtered out; finished in 1.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6efe042e97676f04b7e3177512353da01e4485c798a904812f638cb87d4654d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efe042e97676f04b7e3177512353da01e4485c798a904812f638cb87d4654d1", kill_on_drop: false }`
[INFO] [stdout] 6efe042e97676f04b7e3177512353da01e4485c798a904812f638cb87d4654d1
