[INFO] fetching crate optimax 0.1.3...
[INFO] testing optimax-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate optimax 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate optimax 0.1.3
[INFO] finished tweaking crates.io crate optimax 0.1.3
[INFO] tweaked toml for crates.io crate optimax 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimax 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding finitediff v0.1.4 (available: v0.2.0)
[INFO] [stderr]       Adding nalgebra v0.32.6 (available: v0.34.1)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-linalg v0.16.0 (available: v0.17.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_chacha v0.3.1 (available: v0.9.0)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.5.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 79c8c27efe657f205ee619d1d5ed21348631f5f9d12931463a82fbb2381c8e35
[INFO] running `Command { std: "docker" "start" "-a" "79c8c27efe657f205ee619d1d5ed21348631f5f9d12931463a82fbb2381c8e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c8c27efe657f205ee619d1d5ed21348631f5f9d12931463a82fbb2381c8e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c8c27efe657f205ee619d1d5ed21348631f5f9d12931463a82fbb2381c8e35", kill_on_drop: false }`
[INFO] [stdout] 79c8c27efe657f205ee619d1d5ed21348631f5f9d12931463a82fbb2381c8e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 38b437ef12d4512c13c4956312607721640c0472018e500a1f585f055e008234
[INFO] running `Command { std: "docker" "start" "-a" "38b437ef12d4512c13c4956312607721640c0472018e500a1f585f055e008234", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling finitediff v0.1.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling lapack-sys v0.14.0
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling cauchy v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling katexit v0.1.5
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling lax v0.16.0
[INFO] [stderr]    Compiling ndarray-linalg v0.16.0
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling optimax v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.96s
[INFO] running `Command { std: "docker" "inspect" "38b437ef12d4512c13c4956312607721640c0472018e500a1f585f055e008234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b437ef12d4512c13c4956312607721640c0472018e500a1f585f055e008234", kill_on_drop: false }`
[INFO] [stdout] 38b437ef12d4512c13c4956312607721640c0472018e500a1f585f055e008234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b00a4b11a1c319e055f3725ac76d7894ba2ea9c597f6a1f016489744589b9599
[INFO] running `Command { std: "docker" "start" "-a" "b00a4b11a1c319e055f3725ac76d7894ba2ea9c597f6a1f016489744589b9599", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimax v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "b00a4b11a1c319e055f3725ac76d7894ba2ea9c597f6a1f016489744589b9599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00a4b11a1c319e055f3725ac76d7894ba2ea9c597f6a1f016489744589b9599", kill_on_drop: false }`
[INFO] [stdout] b00a4b11a1c319e055f3725ac76d7894ba2ea9c597f6a1f016489744589b9599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }`
[INFO] [stdout] d1977450f1766be335ac5be65189a527074910103a576bb52872e37581632cff
[INFO] running `Command { std: "docker" "start" "-a" "d1977450f1766be335ac5be65189a527074910103a576bb52872e37581632cff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optimax-63dc4231d1d8a253)
[INFO] [stderr]    Doc-tests optimax
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/stochastic_annealing.rs - stochastic_annealing::stochastic_annealing (line 25) ... FAILED
[INFO] [stdout] test src/gradient_descent.rs - gradient_descent::gradient_descent (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/stochastic_annealing.rs - stochastic_annealing::stochastic_annealing (line 25) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `optimax::Solution`
[INFO] [stdout]  --> src/stochastic_annealing.rs:27:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use optimax::{stochastic_annealing, Solution};
[INFO] [stdout]   |                                     ^^^^^^^^ no `Solution` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           optimax::stochastic_annealing::Solution
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found module `stochastic_annealing`
[INFO] [stdout]  --> src/stochastic_annealing.rs:31:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | let final_solution = stochastic_annealing(&objective_function, initial_solution, 100.0, 0.75);
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to use `:` for type annotation
[INFO] [stdout]   |
[INFO] [stdout] 9 - let final_solution = stochastic_annealing(&objective_function, initial_solution, 100.0, 0.75);
[INFO] [stdout] 9 + let final_solution: stochastic_annealing(&objective_function, initial_solution, 100.0, 0.75);
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]   |
[INFO] [stdout] 2 + use optimax::stochastic_annealing::stochastic_annealing;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/gradient_descent.rs - gradient_descent::gradient_descent (line 6) stdout ----
[INFO] [stdout] error[E0423]: expected function, found module `gradient_descent`
[INFO] [stdout]   --> src/gradient_descent.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 16 | let optimized_parameters = gradient_descent(
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to use `:` for type annotation
[INFO] [stdout]    |
[INFO] [stdout] 16 - let optimized_parameters = gradient_descent(
[INFO] [stdout] 16 + let optimized_parameters: gradient_descent(
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function instead
[INFO] [stdout]    |
[INFO] [stdout]  2 + use optimax::gradient_descent::gradient_descent;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/gradient_descent.rs - gradient_descent::gradient_descent (line 6)
[INFO] [stdout]     src/stochastic_annealing.rs - stochastic_annealing::stochastic_annealing (line 25)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d1977450f1766be335ac5be65189a527074910103a576bb52872e37581632cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1977450f1766be335ac5be65189a527074910103a576bb52872e37581632cff", kill_on_drop: false }`
[INFO] [stdout] d1977450f1766be335ac5be65189a527074910103a576bb52872e37581632cff
