[INFO] fetching crate laby 0.4.1...
[INFO] testing laby-0.4.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate laby 0.4.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate laby 0.4.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bb9ca78c42c1a5fc10627dae94add0fb4ac4c0af217066b5746c586f7909f36
[INFO] running `Command { std: "docker" "start" "-a" "8bb9ca78c42c1a5fc10627dae94add0fb4ac4c0af217066b5746c586f7909f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bb9ca78c42c1a5fc10627dae94add0fb4ac4c0af217066b5746c586f7909f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb9ca78c42c1a5fc10627dae94add0fb4ac4c0af217066b5746c586f7909f36", kill_on_drop: false }`
[INFO] [stdout] 8bb9ca78c42c1a5fc10627dae94add0fb4ac4c0af217066b5746c586f7909f36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd9954ead2dc23ec72974d0504d2fa850da29214c7f7f5ca1635cc26608df51
[INFO] running `Command { std: "docker" "start" "-a" "8cd9954ead2dc23ec72974d0504d2fa850da29214c7f7f5ca1635cc26608df51", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoap v1.0.1
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[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 5.49s
[INFO] running `Command { std: "docker" "inspect" "8cd9954ead2dc23ec72974d0504d2fa850da29214c7f7f5ca1635cc26608df51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd9954ead2dc23ec72974d0504d2fa850da29214c7f7f5ca1635cc26608df51", kill_on_drop: false }`
[INFO] [stdout] 8cd9954ead2dc23ec72974d0504d2fa850da29214c7f7f5ca1635cc26608df51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3eadb170de2ed966fb4b2929879ebec148867f2ad857176722a22d704848a71
[INFO] running `Command { std: "docker" "start" "-a" "e3eadb170de2ed966fb4b2929879ebec148867f2ad857176722a22d704848a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling laby v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "e3eadb170de2ed966fb4b2929879ebec148867f2ad857176722a22d704848a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3eadb170de2ed966fb4b2929879ebec148867f2ad857176722a22d704848a71", kill_on_drop: false }`
[INFO] [stdout] e3eadb170de2ed966fb4b2929879ebec148867f2ad857176722a22d704848a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c1eac12e2750fbf58301c5949b923c682887ac68fe60af918130990cfb1e96ee
[INFO] running `Command { std: "docker" "start" "-a" "c1eac12e2750fbf58301c5949b923c682887ac68fe60af918130990cfb1e96ee", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/laby-1cb596ff01b48187)
[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-c7e57ea90de2edba)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test attr_first ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test variable_both ... ok
[INFO] [stdout] test mixed ... ok
[INFO] [stdout] test variable_name ... ok
[INFO] [stdout] test children_first ... ok
[INFO] [stdout] test variable_what ... ok
[INFO] [stdout] test variable_value ... 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/boolean.rs (/opt/rustwide/target/debug/deps/boolean-58c3491c9d719d4b)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test disabled ... ok
[INFO] [stdout] test none ... ok
[INFO] [stderr]      Running tests/classes.rs (/opt/rustwide/target/debug/deps/classes-904ded5933297f48)
[INFO] [stdout] test variable ... ok
[INFO] [stdout] test weird ... ok
[INFO] [stdout] test enabled ... 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] [stdout] test escape ... ok
[INFO] [stdout] test only_exprs ... ok
[INFO] [stdout] test only_lits ... ok
[INFO] [stdout] test nones ... ok
[INFO] [stderr]      Running tests/complex.rs (/opt/rustwide/target/debug/deps/complex-4c3b8b82e16efca1)
[INFO] [stdout] test mixed ... 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] [stdout] test argument ... ok
[INFO] [stderr]      Running tests/component.rs (/opt/rustwide/target/debug/deps/component-d5e2a070c2d848ce)
[INFO] [stdout] test types ... ok
[INFO] [stdout] test nesting ... 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 args ... ok
[INFO] [stdout] test default_args ... ok
[INFO] [stdout] test default_args_render ... ok
[INFO] [stdout] test direct_call ... ok
[INFO] [stdout] test duplicates ... ok
[INFO] [stdout] test difficult_args ... ok
[INFO] [stdout] test default_args_generic ... ok
[INFO] [stdout] test rest ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stdout] test modules ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/disp.rs (/opt/rustwide/target/debug/deps/disp-866fd2434de3d6e9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test escape ... ok
[INFO] [stdout] test normal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/elements.rs (/opt/rustwide/target/debug/deps/elements-d45187a50625be94)
[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-8af3fb45d1808b58)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test all ... ok
[INFO] [stdout] test attr_name ... ok
[INFO] [stdout] test attr ... ok
[INFO] [stdout] test child ... ok
[INFO] [stdout] test raw_child ... ok
[INFO] [stdout] test raw_attr_name ... ok
[INFO] [stdout] test unicode ... ok
[INFO] [stdout] test raw_attr ... 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/flatten.rs (/opt/rustwide/target/debug/deps/flatten-68e6f5818c09ced9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test flattened ... ok
[INFO] [stderr]      Running tests/frag.rs (/opt/rustwide/target/debug/deps/frag-3edccf5318368b13)
[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 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test multi ... ok
[INFO] [stdout] test single ... ok
[INFO] [stdout] test none2 ... ok
[INFO] [stdout] test multi2 ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] test types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/frag_match.rs (/opt/rustwide/target/debug/deps/frag_match-7d6f632c1ac82fd3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test simple_if ... ok
[INFO] [stdout] test simple_match ... ok
[INFO] [stdout] test advanced_if ... ok
[INFO] [stdout] test advanced_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-7e46f933bd949f96)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test custom ... ok
[INFO] [stdout] test complex ... ok
[INFO] [stdout] test many ... ok
[INFO] [stdout] test none ... ok
[INFO] [stdout] test lines ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/literal.rs (/opt/rustwide/target/debug/deps/literal-68b766ac7fea4607)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test float_epsilon ... ok
[INFO] [stdout] test float_large ... ok
[INFO] [stdout] test raw_str ... ok
[INFO] [stdout] test hex ... ok
[INFO] [stdout] test int_large ... 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] [stderr]      Running tests/render.rs (/opt/rustwide/target/debug/deps/render-e46d8a241f22e9fa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests laby
[INFO] [stdout] running 3 tests
[INFO] [stdout] test none ... ok
[INFO] [stdout] test single ... ok
[INFO] [stdout] test multiple ... 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 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/doctype.rs - doctype::DocType (line 18) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::iter (line 276) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::bool (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 145) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 107) ... ok
[INFO] [stdout] test src/lib.rs - (line 125) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 116) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::RenderRaw (line 354) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::iter_lines (line 327) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::iter (line 288) ... ok
[INFO] [stdout] test src/lib.rs - frag_match (line 719) ... ignored
[INFO] [stdout] test src/helpers.rs - helpers::raw (line 421) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 129) ... ok
[INFO] [stdout] test src/lib.rs - (line 191) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 91) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - frag_match (line 737) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 538) - compile fail ... ok
[INFO] [stdout] test src/helpers.rs - helpers::render (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 296) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::disp (line 493) ... ok
[INFO] [stdout] test src/lib.rs - (line 351) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 456) ... ok
[INFO] [stdout] test src/lib.rs - (line 249) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 616) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - frag (line 678) ... ok
[INFO] [stdout] test src/lib.rs - classes (line 776) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 590) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - laby (line 559) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - laby (line 477) ... ok
[INFO] [stdout] test src/lib.rs - frag (line 694) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 648) ... ok
[INFO] [stdout] test src/lib.rs - laby (line 494) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - laby (line 514) ... ok
[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]     = 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]     = 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]     = 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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - frag_match (line 737)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 34 passed; 1 failed; 6 ignored; 0 measured; 0 filtered out; finished in 1.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1eac12e2750fbf58301c5949b923c682887ac68fe60af918130990cfb1e96ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1eac12e2750fbf58301c5949b923c682887ac68fe60af918130990cfb1e96ee", kill_on_drop: false }`
[INFO] [stdout] c1eac12e2750fbf58301c5949b923c682887ac68fe60af918130990cfb1e96ee