[INFO] fetching crate kayak_ui_macros 0.5.0...
[INFO] testing kayak_ui_macros-0.5.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate kayak_ui_macros 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate kayak_ui_macros 0.5.0
[INFO] finished tweaking crates.io crate kayak_ui_macros 0.5.0
[INFO] tweaked toml for crates.io crate kayak_ui_macros 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kayak_ui_macros 0.5.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding find-crate v0.6.3 (available: v0.7.1)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3ed53622d5e9cbf03c96619129d3aaa55c97b6e75ad4d0e03df21d3519006cf2
[INFO] running `Command { std: "docker" "start" "-a" "3ed53622d5e9cbf03c96619129d3aaa55c97b6e75ad4d0e03df21d3519006cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed53622d5e9cbf03c96619129d3aaa55c97b6e75ad4d0e03df21d3519006cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed53622d5e9cbf03c96619129d3aaa55c97b6e75ad4d0e03df21d3519006cf2", kill_on_drop: false }`
[INFO] [stdout] 3ed53622d5e9cbf03c96619129d3aaa55c97b6e75ad4d0e03df21d3519006cf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8d1d5b1525f891ed9ae218e671b819a0a7abc576d77673d4a9abb324b16cc87a
[INFO] running `Command { std: "docker" "start" "-a" "8d1d5b1525f891ed9ae218e671b819a0a7abc576d77673d4a9abb324b16cc87a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling kayak_ui_macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `children` are never read
[INFO] [stdout]   --> src/widget.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Widget {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |     pub attributes: WidgetAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub children: Children,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `Command { std: "docker" "inspect" "8d1d5b1525f891ed9ae218e671b819a0a7abc576d77673d4a9abb324b16cc87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1d5b1525f891ed9ae218e671b819a0a7abc576d77673d4a9abb324b16cc87a", kill_on_drop: false }`
[INFO] [stdout] 8d1d5b1525f891ed9ae218e671b819a0a7abc576d77673d4a9abb324b16cc87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cbb7f0a177316c82b199bd1538a99e3749e6be52885278fdb0ca1731f32492ca
[INFO] running `Command { std: "docker" "start" "-a" "cbb7f0a177316c82b199bd1538a99e3749e6be52885278fdb0ca1731f32492ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling kayak_ui_macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `children` are never read
[INFO] [stdout]   --> src/widget.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Widget {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |     pub attributes: WidgetAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub children: Children,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_custom_element` is never read
[INFO] [stdout]   --> src/tags.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct OpenTag {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_custom_element: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes` and `children` are never read
[INFO] [stdout]   --> src/widget.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Widget {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 15 |     pub attributes: WidgetAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub children: Children,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "cbb7f0a177316c82b199bd1538a99e3749e6be52885278fdb0ca1731f32492ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb7f0a177316c82b199bd1538a99e3749e6be52885278fdb0ca1731f32492ca", kill_on_drop: false }`
[INFO] [stdout] cbb7f0a177316c82b199bd1538a99e3749e6be52885278fdb0ca1731f32492ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c9fcdd8af93e6a69d00f5e2aeccd4131aec835f1857a111fb27b8f80566acb4b
[INFO] running `Command { std: "docker" "start" "-a" "c9fcdd8af93e6a69d00f5e2aeccd4131aec835f1857a111fb27b8f80566acb4b", kill_on_drop: false }`
[INFO] [stderr] warning: field `is_custom_element` is never read
[INFO] [stderr]   --> src/tags.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct OpenTag {
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     pub is_custom_element: bool,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `attributes` and `children` are never read
[INFO] [stderr]   --> src/widget.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Widget {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 15 |     pub attributes: WidgetAttributes,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 16 |     pub children: Children,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Widget` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `kayak_ui_macros` (lib) generated 2 warnings
[INFO] [stderr] warning: `kayak_ui_macros` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kayak_ui_macros-bc9e11d5d1ec3c13)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests kayak_ui_macros
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/widget_builder.rs - widget_builder::build_widget_stream (line 16) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/widget_builder.rs - widget_builder::build_widget_stream (line 16) stdout ----
[INFO] [stdout] error: cannot find macro `quote` in this scope
[INFO] [stdout]   --> src/widget_builder.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | build_widget(quote! { my_widget }, quote!{ <MyWidget as Widget>::constructor(props) }, 0);
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `quote` is in scope, but it is a crate, not a macro
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote` in this scope
[INFO] [stdout]   --> src/widget_builder.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 | build_widget(quote! { my_widget }, quote!{ <MyWidget as Widget>::constructor(props) }, 0);
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `quote` is in scope, but it is a crate, not a macro
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `build_widget` in this scope
[INFO] [stdout]   --> src/widget_builder.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | build_widget(quote! { my_widget }, quote!{ <MyWidget as Widget>::constructor(props) }, 0);
[INFO] [stdout]    | ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/widget_builder.rs - widget_builder::build_widget_stream (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c9fcdd8af93e6a69d00f5e2aeccd4131aec835f1857a111fb27b8f80566acb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fcdd8af93e6a69d00f5e2aeccd4131aec835f1857a111fb27b8f80566acb4b", kill_on_drop: false }`
[INFO] [stdout] c9fcdd8af93e6a69d00f5e2aeccd4131aec835f1857a111fb27b8f80566acb4b
