[INFO] fetching crate fts-solver 0.5.1...
[INFO] testing fts-solver-0.5.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fts-solver 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fts-solver 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fts-solver 0.5.1
[INFO] tweaked toml for crates.io crate fts-solver 0.5.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fts-solver 0.5.1 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 fts-solver 0.5.1 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f44a0ccf5ffbf57c7ef736edbf88658f77c727565231ba4712992de209e2da23
[INFO] running `Command { std: "docker" "start" "-a" "f44a0ccf5ffbf57c7ef736edbf88658f77c727565231ba4712992de209e2da23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f44a0ccf5ffbf57c7ef736edbf88658f77c727565231ba4712992de209e2da23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f44a0ccf5ffbf57c7ef736edbf88658f77c727565231ba4712992de209e2da23", kill_on_drop: false }`
[INFO] [stdout] f44a0ccf5ffbf57c7ef736edbf88658f77c727565231ba4712992de209e2da23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 40bb01e88f4b31a00fb4057685b7d11a81961ec82a6490cd27820ca32853b965
[INFO] running `Command { std: "docker" "start" "-a" "40bb01e88f4b31a00fb4057685b7d11a81961ec82a6490cd27820ca32853b965", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling clarabel v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling fts-solver v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling amd v0.2.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling fts-core v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "40bb01e88f4b31a00fb4057685b7d11a81961ec82a6490cd27820ca32853b965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bb01e88f4b31a00fb4057685b7d11a81961ec82a6490cd27820ca32853b965", kill_on_drop: false }`
[INFO] [stdout] 40bb01e88f4b31a00fb4057685b7d11a81961ec82a6490cd27820ca32853b965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a852d179810e5a7648a3f079c0924abee8148ce2a51bbede7fdf7d6738c0f57d
[INFO] running `Command { std: "docker" "start" "-a" "a852d179810e5a7648a3f079c0924abee8148ce2a51bbede7fdf7d6738c0f57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling rstest_reuse v0.7.0
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling fts-core v0.4.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling rstest v0.25.0
[INFO] [stderr]    Compiling serde-big-array v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling clarabel v0.11.1
[INFO] [stderr]    Compiling fts-solver v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde`
[INFO] [stdout]  --> tests/samples.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde::de::DeserializeOwned;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `fts_solver::io`
[INFO] [stdout]   --> tests/samples.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout]  4 |     io::{Auction, DemandId, Outcome, PortfolioId, ProductId},
[INFO] [stdout]    |     ^^ could not find `io` in `fts_solver`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(feature = "io")]
[INFO] [stdout]    |       -------------- the item is gated behind the `io` feature
[INFO] [stdout] 23 | pub mod io;
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `fts_solver::io`
[INFO] [stdout]   --> tests/samples.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use fts_solver::io::Outcome;
[INFO] [stdout]    |                     ^^ could not find `io` in `fts_solver`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[cfg(feature = "io")]
[INFO] [stdout]    |       -------------- the item is gated behind the `io` feature
[INFO] [stdout] 23 | pub mod io;
[INFO] [stdout]    |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `osqp` in `fts_solver`
[INFO] [stdout]   --> tests/samples.rs:21:26
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[case::osqp(fts_solver::osqp::OsqpSolver::default())]
[INFO] [stdout]    |                          ^^^^ could not find `osqp` in `fts_solver`
[INFO] [stdout] ...
[INFO] [stdout] 40 | #[apply(all_solvers)]
[INFO] [stdout]    | --------------------- in this attribute macro expansion
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `all_solvers` which comes from the expansion of the attribute macro `apply` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fts-solver` (test "samples") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a852d179810e5a7648a3f079c0924abee8148ce2a51bbede7fdf7d6738c0f57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a852d179810e5a7648a3f079c0924abee8148ce2a51bbede7fdf7d6738c0f57d", kill_on_drop: false }`
[INFO] [stdout] a852d179810e5a7648a3f079c0924abee8148ce2a51bbede7fdf7d6738c0f57d