[INFO] fetching crate unpoly 0.2.0...
[INFO] testing unpoly-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate unpoly 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate unpoly 0.2.0
[INFO] finished tweaking crates.io crate unpoly 0.2.0
[INFO] tweaked toml for crates.io crate unpoly 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unpoly 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v1.0.0 (available: v2.0.1)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b1694ca7257831e9a62ba3a47ca152c9a1bc06727647ec80869434012369ae
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[INFO] [stdout] 4736c31d472a393510bd6350ec3bec2abf7e26235e8ae2b2c28968f15e2212f7
[INFO] running `Command { std: "docker" "start" "-a" "4736c31d472a393510bd6350ec3bec2abf7e26235e8ae2b2c28968f15e2212f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling unpoly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.73s
[INFO] running `Command { std: "docker" "inspect" "4736c31d472a393510bd6350ec3bec2abf7e26235e8ae2b2c28968f15e2212f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4736c31d472a393510bd6350ec3bec2abf7e26235e8ae2b2c28968f15e2212f7", kill_on_drop: false }`
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[INFO] [stdout] 3a217d41e27a203d71f810e87bc77adbf51cd9e43a25a05ec541238beb331101
[INFO] running `Command { std: "docker" "start" "-a" "3a217d41e27a203d71f810e87bc77adbf51cd9e43a25a05ec541238beb331101", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling hyper-util v0.1.17
[INFO] [stderr]    Compiling axum v0.8.6
[INFO] [stderr]    Compiling unpoly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `Command { std: "docker" "inspect" "3a217d41e27a203d71f810e87bc77adbf51cd9e43a25a05ec541238beb331101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a217d41e27a203d71f810e87bc77adbf51cd9e43a25a05ec541238beb331101", kill_on_drop: false }`
[INFO] [stdout] 3a217d41e27a203d71f810e87bc77adbf51cd9e43a25a05ec541238beb331101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6073dfbebb4d04b36de1199d947fd63b929bda592639d526879ac84f651604c
[INFO] running `Command { std: "docker" "start" "-a" "b6073dfbebb4d04b36de1199d947fd63b929bda592639d526879ac84f651604c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unpoly-be4c06bb7ff1a448)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test axum::tests::test_no_unpoly_request ... ok
[INFO] [stdout] test axum::tests::test_unpoly_success ... ok
[INFO] [stdout] test axum::tests::test_unpoly_set_responses ... ok
[INFO] [stdout] test axum::tests::test_unpoly_default ... ok
[INFO] [stdout] test axum::tests::test_unpoly_fail ... ok
[INFO] [stderr]    Doc-tests unpoly
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Unpoly (line 80) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Unpoly (line 80) stdout ----
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:89:2
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn handler_target(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:89:51
[INFO] [stdout]    |
[INFO] [stdout] 12 |  fn handler_target(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 14 |      let html: () = todo!("render content for target only");
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:97:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |  fn handler_mode_target(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:97:56
[INFO] [stdout]    |
[INFO] [stdout] 20 |  fn handler_mode_target(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 23 |      let html: () = todo!("render content for target in mode only");
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:117:2
[INFO] [stdout]    |
[INFO] [stdout] 40 |  fn handler_context(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:117:52
[INFO] [stdout]    |
[INFO] [stdout] 40 |  fn handler_context(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 42 |      let html: () = todo!("render html for context");
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:124:2
[INFO] [stdout]    |
[INFO] [stdout] 47 |  fn handler_title(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:124:50
[INFO] [stdout]    |
[INFO] [stdout] 47 |  fn handler_title(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 49 |      let html: () = todo!();
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:131:2
[INFO] [stdout]    |
[INFO] [stdout] 54 |  fn handler_emit_event(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:131:55
[INFO] [stdout]    |
[INFO] [stdout] 54 |  fn handler_emit_event(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 58 |      let html: () = todo!();
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:140:2
[INFO] [stdout]    |
[INFO] [stdout] 63 |  fn handler_cache(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:140:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |  fn handler_cache(mut unpoly: unpoly::Unpoly) -> impl IntoResponse {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 65 |      let html: () = todo!();
[INFO] [stdout]    |              ++++
[INFO] [stdout] 
[INFO] [stdout] error: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/lib.rs:154:2
[INFO] [stdout]    |
[INFO] [stdout] 77 |  fn handler_validate(mut unpoly: unpoly::Unpoly, extract::Form(form): extract::Form<SampleForm>) -> impl IntoResponse {
[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 `!: IntoResponse` will fail
[INFO] [stdout]   --> src/lib.rs:154:101
[INFO] [stdout]    |
[INFO] [stdout] 77 |  fn handler_validate(mut unpoly: unpoly::Unpoly, extract::Form(form): extract::Form<SampleForm>) -> impl IntoResponse {
[INFO] [stdout]    |                                                                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 80 |          let html: () = todo!("render form with optional errors");
[INFO] [stdout]    |                  ++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Unpoly (line 80)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b6073dfbebb4d04b36de1199d947fd63b929bda592639d526879ac84f651604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6073dfbebb4d04b36de1199d947fd63b929bda592639d526879ac84f651604c", kill_on_drop: false }`
[INFO] [stdout] b6073dfbebb4d04b36de1199d947fd63b929bda592639d526879ac84f651604c
