[INFO] fetching crate varpro 0.2.0...
[INFO] testing varpro-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate varpro 0.2.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate varpro 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varpro 0.2.0
[INFO] finished tweaking crates.io crate varpro 0.2.0
[INFO] tweaked toml for crates.io crate varpro 0.2.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded levenberg-marquardt v0.8.0
[INFO] [stderr]   Downloaded nalgebra v0.25.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f14af15f91a24ed70234e4aaf3ec79460b50a5eb9d32e62422a3c7e4606060b
[INFO] running `Command { std: "docker" "start" "-a" "1f14af15f91a24ed70234e4aaf3ec79460b50a5eb9d32e62422a3c7e4606060b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f14af15f91a24ed70234e4aaf3ec79460b50a5eb9d32e62422a3c7e4606060b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f14af15f91a24ed70234e4aaf3ec79460b50a5eb9d32e62422a3c7e4606060b", kill_on_drop: false }`
[INFO] [stdout] 1f14af15f91a24ed70234e4aaf3ec79460b50a5eb9d32e62422a3c7e4606060b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5fdf6ca3f0f96b231a977619ff38047db1567b4835a2944391bb40faceabce6
[INFO] running `Command { std: "docker" "start" "-a" "a5fdf6ca3f0f96b231a977619ff38047db1567b4835a2944391bb40faceabce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling levenberg-marquardt v0.8.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling nalgebra v0.25.4
[INFO] [stderr]    Compiling varpro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `Command { std: "docker" "inspect" "a5fdf6ca3f0f96b231a977619ff38047db1567b4835a2944391bb40faceabce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5fdf6ca3f0f96b231a977619ff38047db1567b4835a2944391bb40faceabce6", kill_on_drop: false }`
[INFO] [stdout] a5fdf6ca3f0f96b231a977619ff38047db1567b4835a2944391bb40faceabce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43e52ff3ba4200fbd69e384b2d3b6bac59d528754974d3b6e61a4e085e1bf0c8
[INFO] running `Command { std: "docker" "start" "-a" "43e52ff3ba4200fbd69e384b2d3b6bac59d528754974d3b6e61a4e085e1bf0c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling varpro v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "43e52ff3ba4200fbd69e384b2d3b6bac59d528754974d3b6e61a4e085e1bf0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e52ff3ba4200fbd69e384b2d3b6bac59d528754974d3b6e61a4e085e1bf0c8", kill_on_drop: false }`
[INFO] [stdout] 43e52ff3ba4200fbd69e384b2d3b6bac59d528754974d3b6e61a4e085e1bf0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eabef7293847af0a5af5c9027279014f41f0db0efd5981f1745fbcd040b78103
[INFO] running `Command { std: "docker" "start" "-a" "eabef7293847af0a5af5c9027279014f41f0db0efd5981f1745fbcd040b78103", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/varpro-ffb07a701fcea8c2)
[INFO] [stdout] running 40 tests
[INFO] [stdout] test basis_function::test::callable_argument_length_is_correct ... ok
[INFO] [stdout] test basis_function::test::callable_evaluation_using_the_generic_interface ... ok
[INFO] [stdout] test linalg_helpers::test::diagonal_matrix_matrix_and_matrix_vector_product_produces_correct_results ... ok
[INFO] [stdout] test model::builder::modelfunction_builder::test::modelfunction_builder_fails_when_invalid_derivatives_are_given ... ok
[INFO] [stdout] test model::builder::modelfunction_builder::test::modelfunction_builder_fails_with_invalid_function_parameters ... ok
[INFO] [stdout] test model::builder::modelfunction_builder::test::modelfunction_builder_fails_when_duplicate_derivatives_are_given ... ok
[INFO] [stdout] test model::builder::modelfunction_builder::test::modelfunction_builder_fails_with_invalid_model_parameters ... ok
[INFO] [stdout] test model::builder::test::builder_fails_when_not_all_required_partial_derivatives_are_given_for_function ... ok
[INFO] [stdout] test model::builder::modelfunction_builder::test::modelfunction_builder_creates_correct_modelfunction_with_valid_parameters ... ok
[INFO] [stdout] test model::detail::test::test_create_wrapped_function_gives_error_for_empty_function_parameters_or_duplicate_elements ... ok
[INFO] [stdout] test model::detail::test::test_create_index_mapping ... ok
[INFO] [stdout] test model::detail::test::test_check_parameter_names ... ok
[INFO] [stdout] test model::builder::test::builder_fails_when_not_all_model_parameters_are_depended_on_by_the_modelfunctions ... ok
[INFO] [stdout] test model::detail::test::test_has_only_unique_elements ... ok
[INFO] [stdout] test model::builder::test::builder_fails_for_invalid_model_parameters ... ok
[INFO] [stdout] test model::detail::test::creating_wrapped_basis_function_dispatches_elements_correctly_to_underlying_function ... ok
[INFO] [stdout] test model::test::model_gets_initialized_with_correct_parameter_names_and_count ... ok
[INFO] [stdout] test solvers::levmar::builder::test::builder_gives_errors_for_missing_mandatory_parameters ... ok
[INFO] [stdout] test model::test::requesting_derivative_by_name_and_index_produces_same_results ... ok
[INFO] [stdout] test model::test::model_derivative_evaluation_error_cases ... ok
[INFO] [stdout] test model::test::model_function_eval_fails_for_incorrect_number_of_model_parameters ... ok
[INFO] [stdout] test solvers::levmar::builder::test::builder_gives_errors_for_semantically_wrong_parameters ... ok
[INFO] [stdout] test model::test::model_function_eval_produces_correct_result ... ok
[INFO] [stdout] test solvers::levmar::builder::test::new_builder_starts_with_empty_fields ... ok
[INFO] [stdout] test solvers::levmar::weights::test::unit_weight_produce_correct_results_when_multiplied_to_matrix_or_vector ... ok
[INFO] [stdout] test solvers::levmar::weights::test::diagonal_weights_produce_correct_results_when_multiplied_to_matrix_or_vector ... ok
[INFO] [stdout] test model::builder::test::builder_produces_correct_model_from_functions ... ok
[INFO] [stdout] test model::test::model_derivative_evaluation_produces_correct_result ... ok
[INFO] [stdout] test test_helpers::differentiation::numeric_differentiation_produces_correct_results ... ok
[INFO] [stdout] test model::test::model_function_eval_fails_for_invalid_length_of_return_value_in_base_function ... ok
[INFO] [stdout] test solvers::levmar::builder::test::builder_assigns_fields_correctly ... ok
[INFO] [stdout] test solvers::levmar::test::residuals_are_calculated_correctly_unweighted ... ok
[INFO] [stdout] test solvers::levmar::test::residuals_are_calculated_correctly_with_weights ... ok
[INFO] [stdout] test solvers::levmar::test::jacobian_produces_correct_results_for_differentiating_the_residual_sum_of_squares_weighted ... ok
[INFO] [stdout] test solvers::levmar::test::jacobian_of_least_squares_prolem_is_correct_for_correct_parameter_guesses_unweighted ... ok
[INFO] [stdout] test basis_function::test::callable_evaluation_panics_if_too_few_elements_in_parameter_slice - should panic ... ok
[INFO] [stdout] test linalg_helpers::test::diagonal_matrix_multiplication_must_panic_for_rhs_dimensions_too_large - should panic ... ok
[INFO] [stdout] test linalg_helpers::test::diagonal_matrix_multiplication_must_panic_for_rhs_dimensions_too_small - should panic ... ok
[INFO] [stdout] test linalg_helpers::test::diagonal_matrix_vector_multiplication_must_panic_for_incorrect_rhs_dimension - should panic ... ok
[INFO] [stdout] test basis_function::test::callable_evaluation_panics_if_too_many_elements_in_parameter_slice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests/main.rs (/opt/rustwide/target/debug/deps/integration_tests-d46ea49ebeeb2be6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test levmar::sanity_check_jacobian_of_levenberg_marquardt_problem_is_correct ... ok
[INFO] [stderr]    Doc-tests varpro
[INFO] [stdout] test double_exponential_fitting_without_noise_produces_accurate_results ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/solvers/levmar/builder.rs - solvers::levmar::builder::LevMarProblemBuilder (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/model/builder/mod.rs - model::builder::SeparableModelBuilder (line 71) ... ok
[INFO] [stdout] test src/model/builder/mod.rs - model::builder::SeparableModelBuilder (line 97) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eabef7293847af0a5af5c9027279014f41f0db0efd5981f1745fbcd040b78103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabef7293847af0a5af5c9027279014f41f0db0efd5981f1745fbcd040b78103", kill_on_drop: false }`
[INFO] [stdout] eabef7293847af0a5af5c9027279014f41f0db0efd5981f1745fbcd040b78103