[INFO] fetching crate stepflow-serde 0.0.5...
[INFO] testing stepflow-serde-0.0.5 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stepflow-serde 0.0.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate stepflow-serde 0.0.5
[INFO] finished tweaking crates.io crate stepflow-serde 0.0.5
[INFO] tweaked toml for crates.io crate stepflow-serde 0.0.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stepflow-serde 0.0.5 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]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding stepflow v0.0.6 (available: v0.0.8)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 89d2dececaaadb4182135f11bb1cb6d11fcd391855d2ccb9da6a1623460a1131
[INFO] running `Command { std: "docker" "start" "-a" "89d2dececaaadb4182135f11bb1cb6d11fcd391855d2ccb9da6a1623460a1131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89d2dececaaadb4182135f11bb1cb6d11fcd391855d2ccb9da6a1623460a1131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d2dececaaadb4182135f11bb1cb6d11fcd391855d2ccb9da6a1623460a1131", kill_on_drop: false }`
[INFO] [stdout] 89d2dececaaadb4182135f11bb1cb6d11fcd391855d2ccb9da6a1623460a1131
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbe49cd0be7b77d9f3b8dae16e3047da5ecb3edecf6de6215788299d02a99d8f
[INFO] running `Command { std: "docker" "start" "-a" "dbe49cd0be7b77d9f3b8dae16e3047da5ecb3edecf6de6215788299d02a99d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling urlencoding v1.3.3
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling stepflow-base v0.0.4
[INFO] [stderr]    Compiling stepflow-data v0.0.4
[INFO] [stderr]    Compiling stepflow-step v0.0.4
[INFO] [stderr]    Compiling stepflow-action v0.0.5
[INFO] [stderr]    Compiling stepflow-session v0.0.5
[INFO] [stderr]    Compiling stepflow v0.0.6
[INFO] [stderr]    Compiling stepflow-serde v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/step.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct StepSerde {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StepSerde` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.77s
[INFO] running `Command { std: "docker" "inspect" "dbe49cd0be7b77d9f3b8dae16e3047da5ecb3edecf6de6215788299d02a99d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe49cd0be7b77d9f3b8dae16e3047da5ecb3edecf6de6215788299d02a99d8f", kill_on_drop: false }`
[INFO] [stdout] dbe49cd0be7b77d9f3b8dae16e3047da5ecb3edecf6de6215788299d02a99d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aaf924d7ab14224a1e54a21a3a6ebe1a9c84291f6fa90561465867964f60931
[INFO] running `Command { std: "docker" "start" "-a" "6aaf924d7ab14224a1e54a21a3a6ebe1a9c84291f6fa90561465867964f60931", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/step.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct StepSerde {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 12 |     name: Option<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StepSerde` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stepflow-serde v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `stepflow_test_util`
[INFO] [stdout]   --> src/var.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use stepflow_test_util::test_id;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `stepflow_test_util`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stepflow_test_util`, use `cargo add stepflow_test_util` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `stepflow_test_util`
[INFO] [stdout]   --> src/lib.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use stepflow_test_util::test_id;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `stepflow_test_util`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `stepflow_test_util`, use `cargo add stepflow_test_util` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VarId`
[INFO] [stdout]   --> src/var.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::{VarSerde, BoolVar, VarId};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SessionId`
[INFO] [stdout]   --> src/lib.rs:63:29
[INFO] [stdout]    |
[INFO] [stdout] 63 |     use stepflow::{Session, SessionId, AdvanceBlockedOn};
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stepflow-serde` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6aaf924d7ab14224a1e54a21a3a6ebe1a9c84291f6fa90561465867964f60931", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaf924d7ab14224a1e54a21a3a6ebe1a9c84291f6fa90561465867964f60931", kill_on_drop: false }`
[INFO] [stdout] 6aaf924d7ab14224a1e54a21a3a6ebe1a9c84291f6fa90561465867964f60931
