[INFO] fetching crate echidna-optim 0.5.0...
[INFO] testing echidna-optim-0.5.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate echidna-optim 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate echidna-optim 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate echidna-optim 0.5.0
[INFO] tweaked toml for crates.io crate echidna-optim 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate echidna-optim 0.5.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate echidna-optim 0.5.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a31ee75d7c415fbebcded888f02d09b80f12fd62ee6c8b8653f6bc8ad98bf64e
[INFO] running `Command { std: "docker" "start" "-a" "a31ee75d7c415fbebcded888f02d09b80f12fd62ee6c8b8653f6bc8ad98bf64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a31ee75d7c415fbebcded888f02d09b80f12fd62ee6c8b8653f6bc8ad98bf64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31ee75d7c415fbebcded888f02d09b80f12fd62ee6c8b8653f6bc8ad98bf64e", kill_on_drop: false }`
[INFO] [stdout] a31ee75d7c415fbebcded888f02d09b80f12fd62ee6c8b8653f6bc8ad98bf64e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97e5221126f624900eb7708d0cf8c61af85286cabbfbe71b15b7fcfd748a4e08
[INFO] running `Command { std: "docker" "start" "-a" "97e5221126f624900eb7708d0cf8c61af85286cabbfbe71b15b7fcfd748a4e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.25.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling echidna v0.5.0
[INFO] [stderr]    Compiling echidna-optim v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "97e5221126f624900eb7708d0cf8c61af85286cabbfbe71b15b7fcfd748a4e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e5221126f624900eb7708d0cf8c61af85286cabbfbe71b15b7fcfd748a4e08", kill_on_drop: false }`
[INFO] [stdout] 97e5221126f624900eb7708d0cf8c61af85286cabbfbe71b15b7fcfd748a4e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efcb58de54917b8188b767fea0cf2ce36c443d4d5bd4e79cece7f5380b83ead2
[INFO] running `Command { std: "docker" "start" "-a" "efcb58de54917b8188b767fea0cf2ce36c443d4d5bd4e79cece7f5380b83ead2", kill_on_drop: false }`
[INFO] [stderr]    Compiling echidna-optim v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "efcb58de54917b8188b767fea0cf2ce36c443d4d5bd4e79cece7f5380b83ead2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcb58de54917b8188b767fea0cf2ce36c443d4d5bd4e79cece7f5380b83ead2", kill_on_drop: false }`
[INFO] [stdout] efcb58de54917b8188b767fea0cf2ce36c443d4d5bd4e79cece7f5380b83ead2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5f50a2cc1cf6be35cf671ee323303839293a0ce25ddec690bf64dbcdb51e16da
[INFO] running `Command { std: "docker" "start" "-a" "5f50a2cc1cf6be35cf671ee323303839293a0ce25ddec690bf64dbcdb51e16da", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/echidna_optim-3b7ed61251321799)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test linalg::tests::lu_factor_singular_returns_none ... ok
[INFO] [stdout] test linalg::tests::lu_solve_2x2 ... ok
[INFO] [stdout] test linalg::tests::lu_solve_singular ... ok
[INFO] [stdout] test linalg::tests::lu_factor_then_back_solve_3x3 ... ok
[INFO] [stdout] test line_search::tests::armijo_quadratic_descent ... ok
[INFO] [stdout] test line_search::tests::armijo_non_descent_returns_none ... ok
[INFO] [stdout] test line_search::tests::armijo_full_step_on_quadratic ... ok
[INFO] [stdout] test linalg::tests::lu_solve_identity ... ok
[INFO] [stdout] test linalg::tests::lu_factor_then_back_solve_matches_lu_solve ... ok
[INFO] [stdout] test linalg::tests::lu_solve_needs_pivoting ... ok
[INFO] [stdout] test solvers::lbfgs::tests::lbfgs_already_converged ... ok
[INFO] [stdout] test solvers::lbfgs::tests::lbfgs_rosenbrock ... ok
[INFO] [stdout] test solvers::newton::tests::newton_rosenbrock ... ok
[INFO] [stdout] test solvers::newton::tests::newton_singular_hessian ... ok
[INFO] [stdout] test solvers::trust_region::tests::trust_region_rosenbrock_4d ... ok
[INFO] [stdout] test solvers::trust_region::tests::trust_region_rosenbrock ... ok
[INFO] [stderr]      Running tests/implicit.rs (/opt/rustwide/target/debug/deps/implicit-08a4f7e82189b0e0)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test implicit_hessian_scalar_quadratic ... ok
[INFO] [stdout] test adjoint_matches_jacobian_transpose ... ok
[INFO] [stdout] test implicit_hvp_linear_is_zero ... ok
[INFO] [stdout] test implicit_hvp_symmetric ... ok
[INFO] [stdout] test implicit_hvp_scalar_cubic ... ok
[INFO] [stdout] test scalar_nonlinear ... ok
[INFO] [stdout] test singular_fz_returns_none ... ok
[INFO] [stdout] test tangent_matches_jacobian_columns ... ok
[INFO] [stdout] test implicit_hvp_vs_finite_diff ... ok
[INFO] [stdout] test linear_system_jacobian ... ok
[INFO] [stdout] test implicit_hvp_scalar_quadratic ... ok
[INFO] [stdout] test finite_differences_2d_nonlinear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-768976ddbc0f94c7)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lbfgs_tape_rosenbrock ... ok
[INFO] [stdout] test newton_tape_rosenbrock ... ok
[INFO] [stdout] test newton_fewer_iters_than_lbfgs ... ok
[INFO] [stdout] test trust_region_tape_rosenbrock ... ok
[INFO] [stdout] test all_solvers_agree_on_minimum ... ok
[INFO] [stderr]      Running tests/piggyback.rs (/opt/rustwide/target/debug/deps/piggyback-33c8a89ff47de531)
[INFO] [stdout] test optimized_tape_still_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test adjoint_solve_linear_contraction ... ok
[INFO] [stdout] test adjoint_vs_tangent_transpose ... ok
[INFO] [stdout] test forward_adjoint_non_convergent ... ok
[INFO] [stdout] test forward_adjoint_solve_2d ... ok
[INFO] [stdout] test forward_adjoint_solve_linear ... ok
[INFO] [stdout] test cross_validate_with_ift ... ok
[INFO] [stdout] test forward_adjoint_matches_sequential ... ok
[INFO] [stdout] test adjoint_non_convergent ... ok
[INFO] [stdout] test tangent_solve_linear_contraction ... ok
[INFO] [stdout] test tangent_step_buffer_reuse ... ok
[INFO] [stdout] test tangent_solve_2d_contraction ... ok
[INFO] [stdout] test tangent_step_linear ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/solvers.rs (/opt/rustwide/target/debug/deps/solvers-2b3f63cddbf6c08c)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test func_tol_terminates_lbfgs ... ok
[INFO] [stdout] test all_solvers_agree_quadratic ... ok
[INFO] [stdout] test func_tol_terminates_newton ... ok
[INFO] [stdout] test lbfgs_at_optimum ... ok
[INFO] [stdout] test lbfgs_highly_ill_conditioned ... ok
[INFO] [stdout] test lbfgs_max_iter_zero ... ok
[INFO] [stdout] test lbfgs_memory_1 ... ok
[INFO] [stdout] test lbfgs_memory_zero ... ok
[INFO] [stdout] test lbfgs_ill_conditioned ... ok
[INFO] [stdout] test lbfgs_near_singular_hessian ... ok
[INFO] [stdout] test lbfgs_quadratic_8d ... ok
[INFO] [stdout] test max_iter_terminates_lbfgs ... ok
[INFO] [stdout] test newton_avoids_saddle ... ok
[INFO] [stdout] test newton_highly_ill_conditioned ... ok
[INFO] [stdout] test newton_ill_conditioned ... ok
[INFO] [stdout] test newton_at_optimum ... ok
[INFO] [stdout] test newton_max_iter_zero ... ok
[INFO] [stdout] test newton_near_singular_hessian ... ok
[INFO] [stdout] test newton_quadratic_2d ... ok
[INFO] [stdout] test newton_quadratic_4d ... ok
[INFO] [stdout] test lbfgs_quadratic_2d ... ok
[INFO] [stdout] test optimized_tape_quadratic ... ok
[INFO] [stdout] test tape_lbfgs_quadratic_6d ... ok
[INFO] [stdout] test tape_newton_quadratic_6d ... ok
[INFO] [stdout] test tape_objective_counts_evals ... ok
[INFO] [stdout] test trust_region_at_optimum ... ok
[INFO] [stdout] test trust_region_avoids_saddle ... ok
[INFO] [stdout] test trust_region_highly_ill_conditioned ... ok
[INFO] [stdout] test trust_region_quadratic_8d ... ok
[INFO] [stdout] test trust_region_zero_radius ... ok
[INFO] [stdout] test tape_rosenbrock_4d_lbfgs ... ok
[INFO] [stdout] test trust_region_max_iter_zero ... ok
[INFO] [stdout] test trust_region_ill_conditioned ... ok
[INFO] [stdout] test tape_rosenbrock_4d_newton ... ok
[INFO] [stdout] test trust_region_small_radius ... ok
[INFO] [stdout] test trust_region_quadratic_2d ... ok
[INFO] [stdout] test tape_trust_region_quadratic_6d ... ok
[INFO] [stdout] test tape_rosenbrock_4d_trust_region ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sparse_implicit.rs (/opt/rustwide/target/debug/deps/sparse_implicit-d6c10d2fe9d6accd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests echidna_optim
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f50a2cc1cf6be35cf671ee323303839293a0ce25ddec690bf64dbcdb51e16da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f50a2cc1cf6be35cf671ee323303839293a0ce25ddec690bf64dbcdb51e16da", kill_on_drop: false }`
[INFO] [stdout] 5f50a2cc1cf6be35cf671ee323303839293a0ce25ddec690bf64dbcdb51e16da