[INFO] fetching crate modelstruct 0.1.0...
[INFO] testing modelstruct-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate modelstruct 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate modelstruct 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate modelstruct 0.1.0
[INFO] tweaked toml for crates.io crate modelstruct 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modelstruct 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modelstruct 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78e9b796c1c23a75dcd4927559bd83f7fee839b6b7f8f4eaf6da34164f888f7d
[INFO] running `Command { std: "docker" "start" "-a" "78e9b796c1c23a75dcd4927559bd83f7fee839b6b7f8f4eaf6da34164f888f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e9b796c1c23a75dcd4927559bd83f7fee839b6b7f8f4eaf6da34164f888f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e9b796c1c23a75dcd4927559bd83f7fee839b6b7f8f4eaf6da34164f888f7d", kill_on_drop: false }`
[INFO] [stdout] 78e9b796c1c23a75dcd4927559bd83f7fee839b6b7f8f4eaf6da34164f888f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff31d949d29c2421a1fa3370a4e06b6839cc58bc4d5fdaf55993d2a98e9c0b62
[INFO] running `Command { std: "docker" "start" "-a" "ff31d949d29c2421a1fa3370a4e06b6839cc58bc4d5fdaf55993d2a98e9c0b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling modelstruct_derive v0.1.0
[INFO] [stderr]    Compiling modelstruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `Command { std: "docker" "inspect" "ff31d949d29c2421a1fa3370a4e06b6839cc58bc4d5fdaf55993d2a98e9c0b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff31d949d29c2421a1fa3370a4e06b6839cc58bc4d5fdaf55993d2a98e9c0b62", kill_on_drop: false }`
[INFO] [stdout] ff31d949d29c2421a1fa3370a4e06b6839cc58bc4d5fdaf55993d2a98e9c0b62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68282048db924d3f8cd4aade4bf91b609894b7e563bce5a5c379fd6662d0201f
[INFO] running `Command { std: "docker" "start" "-a" "68282048db924d3f8cd4aade4bf91b609894b7e563bce5a5c379fd6662d0201f", kill_on_drop: false }`
[INFO] [stderr]    Compiling modelstruct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `id`, `name`, `email`, `age`, and `is_active` are never read
[INFO] [stdout]  --> tests/integration_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TestUser {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     id: i32,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     email: Option<String>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     age: Option<i32>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     is_active: 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: multiple fields are never read
[INFO] [stdout]   --> tests/integration_test.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     struct AllTypes {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 25 |         int32: i32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |         int64: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 27 |         uint32: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 28 |         uint64: u64,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 29 |         float32: f32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |         float64: f64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 31 |         boolean: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 32 |         string: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 33 |         optional_int: Option<i32>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 34 |         optional_string: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "68282048db924d3f8cd4aade4bf91b609894b7e563bce5a5c379fd6662d0201f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68282048db924d3f8cd4aade4bf91b609894b7e563bce5a5c379fd6662d0201f", kill_on_drop: false }`
[INFO] [stdout] 68282048db924d3f8cd4aade4bf91b609894b7e563bce5a5c379fd6662d0201f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6435d31c488fe8256a93f61f414accc4316ad39429e02e26ebfbbc01f2696fa9
[INFO] running `Command { std: "docker" "start" "-a" "6435d31c488fe8256a93f61f414accc4316ad39429e02e26ebfbbc01f2696fa9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: fields `id`, `name`, `email`, `age`, and `is_active` are never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> tests/integration_test.rs:5:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 | struct TestUser {
[INFO] [stdout] 
[INFO] [stderr]   |        -------- fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 5 |     id: i32,
[INFO] [stdout] running 2 tests
[INFO] [stderr]   |     ^^
[INFO] [stdout] test test_supported_types ... ok
[INFO] [stderr] 6 |     name: String,
[INFO] [stdout] test test_model_derivation ... ok
[INFO] [stderr]   |     ^^^^
[INFO] [stdout] 
[INFO] [stderr] 7 |     email: Option<String>,
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stderr] 8 |     age: Option<i32>,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 9 |     is_active: bool,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> tests/integration_test.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     struct AllTypes {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 25 |         int32: i32,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 26 |         int64: i64,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 27 |         uint32: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 28 |         uint64: u64,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 29 |         float32: f32,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 30 |         float64: f64,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 31 |         boolean: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 32 |         string: String,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 33 |         optional_int: Option<i32>,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 34 |         optional_string: Option<String>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `modelstruct` (test "integration_test") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modelstruct-bafb66a39371ce6c)
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-649ebb3d92e31120)
[INFO] [stderr]    Doc-tests modelstruct
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6435d31c488fe8256a93f61f414accc4316ad39429e02e26ebfbbc01f2696fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6435d31c488fe8256a93f61f414accc4316ad39429e02e26ebfbbc01f2696fa9", kill_on_drop: false }`
[INFO] [stdout] 6435d31c488fe8256a93f61f414accc4316ad39429e02e26ebfbbc01f2696fa9