[INFO] fetching crate structural_derive 0.4.3...
[INFO] testing structural_derive-0.4.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate structural_derive 0.4.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate structural_derive 0.4.3
[INFO] finished tweaking crates.io crate structural_derive 0.4.3
[INFO] tweaked toml for crates.io crate structural_derive 0.4.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate structural_derive 0.4.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding as_derive_utils v0.8.3 (available: v0.11.0)
[INFO] [stderr]       Adding core_extensions v0.1.20 (available: v1.5.4)
[INFO] [stderr]       Adding regex v1.2.1 (available: v1.12.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] [stderr]       Adding typed-arena v1.5.0 (available: v1.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `core_extensions` dependency)
[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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc6e16f2e9315d998ed3e48cff288c8d0346830794b3d26c429b81ae670e91f6
[INFO] running `Command { std: "docker" "start" "-a" "fc6e16f2e9315d998ed3e48cff288c8d0346830794b3d26c429b81ae670e91f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc6e16f2e9315d998ed3e48cff288c8d0346830794b3d26c429b81ae670e91f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc6e16f2e9315d998ed3e48cff288c8d0346830794b3d26c429b81ae670e91f6", kill_on_drop: false }`
[INFO] [stdout] fc6e16f2e9315d998ed3e48cff288c8d0346830794b3d26c429b81ae670e91f6
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406eac0d84a90d7b8cb5a5bd7c588d1db967b68a5b54302c1059f49e32d3b10f
[INFO] running `Command { std: "docker" "start" "-a" "406eac0d84a90d7b8cb5a5bd7c588d1db967b68a5b54302c1059f49e32d3b10f", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `core_extensions` dependency)
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typed-arena v1.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling core_extensions v0.1.20
[INFO] [stderr]    Compiling as_derive_utils v0.8.3
[INFO] [stderr]    Compiling structural_derive v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ParseVec` is never constructed
[INFO] [stdout]   --> src/parse_utils.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ParseVec<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/structural_alias_impl_mod.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub(crate) struct ReplaceBounds {
[INFO] [stdout]     |                   ------------- field in this struct
[INFO] [stdout] 236 |     pub(crate) bounds: String,
[INFO] [stdout] 237 |     pub(crate) span: Span,
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReplaceBounds` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewtypeConfig` is never constructed
[INFO] [stdout]   --> src/structural_derive/attribute_config.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct NewtypeConfig {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/structural_derive/attribute_parsing.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     Variant {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] 128 |         name: &'a Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "406eac0d84a90d7b8cb5a5bd7c588d1db967b68a5b54302c1059f49e32d3b10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406eac0d84a90d7b8cb5a5bd7c588d1db967b68a5b54302c1059f49e32d3b10f", kill_on_drop: false }`
[INFO] [stdout] 406eac0d84a90d7b8cb5a5bd7c588d1db967b68a5b54302c1059f49e32d3b10f
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac2daca5d71b239e2617501508eb7eed210b571ccd98c86417428e3fede8e18
[INFO] running `Command { std: "docker" "start" "-a" "cac2daca5d71b239e2617501508eb7eed210b571ccd98c86417428e3fede8e18", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `core_extensions` dependency)
[INFO] [stderr]    Compiling structural_derive v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `as_derive_utils::test_framework`
[INFO] [stdout]   --> src/structural_alias_impl_mod/tests.rs:3:22
[INFO] [stdout]    |
[INFO] [stdout]  3 | use as_derive_utils::test_framework::Tests;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ could not find `test_framework` in `as_derive_utils`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/as_derive_utils-0.8.3/src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg(feature="testing")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `testing` feature
[INFO] [stdout] 27 | #[doc(hidden)]
[INFO] [stdout] 28 | pub mod test_framework;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `as_derive_utils::test_framework`
[INFO] [stdout]   --> src/structural_derive/tests.rs:3:22
[INFO] [stdout]    |
[INFO] [stdout]  3 | use as_derive_utils::test_framework::Tests;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^ could not find `test_framework` in `as_derive_utils`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/as_derive_utils-0.8.3/src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg(feature="testing")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `testing` feature
[INFO] [stdout] 27 | #[doc(hidden)]
[INFO] [stdout] 28 | pub mod test_framework;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `as_derive_utils::test_framework`
[INFO] [stdout]   --> src/fp_impl.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use as_derive_utils::test_framework::Tests;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^ could not find `test_framework` in `as_derive_utils`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/as_derive_utils-0.8.3/src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[cfg(feature="testing")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `testing` feature
[INFO] [stdout] 27 | #[doc(hidden)]
[INFO] [stdout] 28 | pub mod test_framework;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `as_derive_utils::test_framework`
[INFO] [stdout]    --> src/switch_tstring_aliases.rs:200:26
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use as_derive_utils::test_framework::Tests;
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ could not find `test_framework` in `as_derive_utils`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/as_derive_utils-0.8.3/src/lib.rs:28:9
[INFO] [stdout]     |
[INFO] [stdout]  26 | #[cfg(feature="testing")]
[INFO] [stdout]     |       ----------------- the item is gated behind the `testing` feature
[INFO] [stdout]  27 | #[doc(hidden)]
[INFO] [stdout]  28 | pub mod test_framework;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseVec` is never constructed
[INFO] [stdout]   --> src/parse_utils.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct ParseVec<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/structural_alias_impl_mod.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub(crate) struct ReplaceBounds {
[INFO] [stdout]     |                   ------------- field in this struct
[INFO] [stdout] 236 |     pub(crate) bounds: String,
[INFO] [stdout] 237 |     pub(crate) span: Span,
[INFO] [stdout]     |                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ReplaceBounds` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewtypeConfig` is never constructed
[INFO] [stdout]   --> src/structural_derive/attribute_config.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) struct NewtypeConfig {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/structural_derive/attribute_parsing.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     Variant {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] 128 |         name: &'a Ident,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ParseContext` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `structural_derive` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cac2daca5d71b239e2617501508eb7eed210b571ccd98c86417428e3fede8e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac2daca5d71b239e2617501508eb7eed210b571ccd98c86417428e3fede8e18", kill_on_drop: false }`
[INFO] [stdout] cac2daca5d71b239e2617501508eb7eed210b571ccd98c86417428e3fede8e18
