[INFO] fetching crate varpro 0.14.0...
[INFO] testing varpro-0.14.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate varpro 0.14.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate varpro 0.14.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate varpro 0.14.0
[INFO] tweaked toml for crates.io crate varpro 0.14.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varpro 0.14.0 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 varpro 0.14.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "inspect" "cae734911ff17d7df4dcba7a491cad6f1feac94bcf0fa2e361618c3ed279bfd8", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 }`
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[INFO] [stdout] error[E0432]: unresolved import `shared_test_code`
[INFO] [stdout]  --> tests/integration_tests/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use shared_test_code::evaluate_complete_model_at_params;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `shared_test_code` in this scope
[INFO] [stdout]   --> tests/integration_tests/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use shared_test_code::levmar_mrhs::DoubleExponentialModelWithConstantOffsetLevmarMrhs;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `shared_test_code`
[INFO] [stdout]  --> tests/integration_tests/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use shared_test_code::get_double_exponential_model_with_constant_offset;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `shared_test_code` in this scope
[INFO] [stdout]   --> tests/integration_tests/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use shared_test_code::models::o_leary_example_model;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `shared_test_code` in this scope
[INFO] [stdout]   --> tests/integration_tests/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use shared_test_code::models::DoubleExpModelWithConstantOffsetSepModel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `shared_test_code` in this scope
[INFO] [stdout]   --> tests/integration_tests/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use shared_test_code::models::DoubleExponentialDecayFittingWithOffsetLevmar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `shared_test_code` in this scope
[INFO] [stdout]   --> tests/integration_tests/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use shared_test_code::models::OLearyExampleModel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `shared_test_code`
[INFO] [stdout]   --> tests/integration_tests/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use shared_test_code::linspace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `shared_test_code`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `shared_test_code`, use `cargo add shared_test_code` to add it to your `Cargo.toml`
[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 `varpro` (test "integration_tests") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c59f0817782894ee0f5074d5ae5dc22e8b09239f2aa7cb754d0d9dd25718b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59f0817782894ee0f5074d5ae5dc22e8b09239f2aa7cb754d0d9dd25718b022", kill_on_drop: false }`
[INFO] [stdout] c59f0817782894ee0f5074d5ae5dc22e8b09239f2aa7cb754d0d9dd25718b022
