[INFO] fetching crate xmlity 0.0.9...
[INFO] testing xmlity-0.0.9 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate xmlity 0.0.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate xmlity 0.0.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate xmlity 0.0.9
[INFO] tweaked toml for crates.io crate xmlity 0.0.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmlity 0.0.9 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] crate crates.io crate xmlity 0.0.9 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 9f68906098311058d8e75383fe7feee242fbaf673d86c539421ecf873e97e468
[INFO] running `Command { std: "docker" "start" "-a" "9f68906098311058d8e75383fe7feee242fbaf673d86c539421ecf873e97e468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f68906098311058d8e75383fe7feee242fbaf673d86c539421ecf873e97e468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f68906098311058d8e75383fe7feee242fbaf673d86c539421ecf873e97e468", kill_on_drop: false }`
[INFO] [stdout] 9f68906098311058d8e75383fe7feee242fbaf673d86c539421ecf873e97e468
[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] 2c76273399102f92b0a1f4c04fef53672c3e09bd27328d1c6103057573aa9629
[INFO] running `Command { std: "docker" "start" "-a" "2c76273399102f92b0a1f4c04fef53672c3e09bd27328d1c6103057573aa9629", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling xmlity v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "2c76273399102f92b0a1f4c04fef53672c3e09bd27328d1c6103057573aa9629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c76273399102f92b0a1f4c04fef53672c3e09bd27328d1c6103057573aa9629", kill_on_drop: false }`
[INFO] [stdout] 2c76273399102f92b0a1f4c04fef53672c3e09bd27328d1c6103057573aa9629
[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] 7a80a823c1df37a23f3fd1cb32f7e4913a722b599b6e724d8663b8861412eff6
[INFO] running `Command { std: "docker" "start" "-a" "7a80a823c1df37a23f3fd1cb32f7e4913a722b599b6e724d8663b8861412eff6", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winnow v0.7.4
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v2.8.0
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling xmlity v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling xmlity-derive v0.0.9
[INFO] [stderr]    Compiling rstest v0.25.0
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]  --> tests/elements/element_with_value.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/elements/element_with_value.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xmlity::{Deserialize, Serialize, XmlValue};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]  --> tests/elements/element_with_value.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]  --> tests/elements/element_with_value.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use xmlity::{Deserialize, Serialize, XmlValue};
[INFO] [stdout]   |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> tests/value_struct.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/value_struct.rs:4:63
[INFO] [stdout]    |
[INFO] [stdout]  4 | use xmlity::{types::utils::CData, value::XmlSeq, Deserialize, Serialize, XmlValue};
[INFO] [stdout]    |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> tests/value_struct.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug, PartialEq, Serialize, Deserialize)]
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/value_struct.rs:4:50
[INFO] [stdout]    |
[INFO] [stdout]  4 | use xmlity::{types::utils::CData, value::XmlSeq, Deserialize, Serialize, XmlValue};
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `xelement` in this scope
[INFO] [stdout]  --> tests/elements/element_with_value.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[xelement(
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `xvalue` in this scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 |     #[xvalue(default)]
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/elements/element_with_value.rs:1:27
[INFO] [stdout]    |
[INFO] [stdout]  1 | use xmlity::{Deserialize, Serialize, XmlValue};
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
[INFO] [stdout]    |                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> tests/elements/element_with_value.rs:1:14
[INFO] [stdout]    |
[INFO] [stdout]  1 | use xmlity::{Deserialize, Serialize, XmlValue};
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `xelement` in this scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:15:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[xelement(
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `serialize` found for struct `Test` in the current scope
[INFO] [stdout]   --> tests/value_struct.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Test(String, CData<String>, String);
[INFO] [stdout]    | --------------- method `serialize` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     simple_value_struct().serialize(&mut &mut actual).unwrap();
[INFO] [stdout]    |                           ^^^^^^^^^ method not found in `Test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `serialize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Serialize`
[INFO] [stdout] help: some of the expressions' fields have a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 24 |     simple_value_struct().0.serialize(&mut &mut actual).unwrap();
[INFO] [stdout]    |                           ++
[INFO] [stdout] 24 |     simple_value_struct().1.serialize(&mut &mut actual).unwrap();
[INFO] [stdout]    |                           ++
[INFO] [stdout] 24 |     simple_value_struct().2.serialize(&mut &mut actual).unwrap();
[INFO] [stdout]    |                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `xgroup` in this scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[xgroup(children_order = "strict")]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `deserialize` found for struct `Test` in the current scope
[INFO] [stdout]   --> tests/value_struct.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Test(String, CData<String>, String);
[INFO] [stdout]    | --------------- associated function or constant `deserialize` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     let actual = Test::deserialize(&source).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^ associated function or constant not found in `Test`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `deserialize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Deserialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmlity` (test "value_struct") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no associated function or constant named `deserialize` found for struct `B` in the current scope
[INFO] [stdout]   --> tests/elements/element_with_value.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct B {
[INFO] [stdout]    | ------------ associated function or constant `deserialize` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     let b = B::deserialize(&value).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^ associated function or constant not found in `B`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `deserialize`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `Deserialize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xmlity` (test "features") due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a80a823c1df37a23f3fd1cb32f7e4913a722b599b6e724d8663b8861412eff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a80a823c1df37a23f3fd1cb32f7e4913a722b599b6e724d8663b8861412eff6", kill_on_drop: false }`
[INFO] [stdout] 7a80a823c1df37a23f3fd1cb32f7e4913a722b599b6e724d8663b8861412eff6
