[INFO] fetching crate cobyla 0.6.0... [INFO] testing cobyla-0.6.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate cobyla 0.6.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate cobyla 0.6.0 [INFO] finished tweaking crates.io crate cobyla 0.6.0 [INFO] tweaked toml for crates.io crate cobyla 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cobyla 0.6.0 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 cobyla 0.6.0 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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4bd41e07888cb85bd1cb790e0808a5e6fc53b91c33478a3fe9591cb1ac2175c1 [INFO] running `Command { std: "docker" "start" "-a" "4bd41e07888cb85bd1cb790e0808a5e6fc53b91c33478a3fe9591cb1ac2175c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bd41e07888cb85bd1cb790e0808a5e6fc53b91c33478a3fe9591cb1ac2175c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bd41e07888cb85bd1cb790e0808a5e6fc53b91c33478a3fe9591cb1ac2175c1", kill_on_drop: false }` [INFO] [stdout] 4bd41e07888cb85bd1cb790e0808a5e6fc53b91c33478a3fe9591cb1ac2175c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5739f8af75d09ebb5859bd8b9832dc92fe3335dbd8daf238503a7173c3143b37 [INFO] running `Command { std: "docker" "start" "-a" "5739f8af75d09ebb5859bd8b9832dc92fe3335dbd8daf238503a7173c3143b37", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling anyhow v1.0.68 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling thiserror v1.0.38 [INFO] [stderr] Compiling paste v1.0.11 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling deranged v0.3.11 [INFO] [stderr] Compiling thread_local v1.1.8 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling num-complex v0.4.3 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling time v0.3.36 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_xoshiro v0.6.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling slog-term v2.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.38 [INFO] [stderr] Compiling argmin-math v0.4.0 [INFO] [stderr] Compiling argmin v0.10.0 [INFO] [stderr] Compiling argmin-observer-slog v0.1.0 [INFO] [stderr] Compiling cobyla v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/nlopt_cobyla.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | / start [INFO] [stdout] 310 | | .duration_since(UNIX_EPOCH) [INFO] [stdout] | |___________________________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.34s [INFO] running `Command { std: "docker" "inspect" "5739f8af75d09ebb5859bd8b9832dc92fe3335dbd8daf238503a7173c3143b37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5739f8af75d09ebb5859bd8b9832dc92fe3335dbd8daf238503a7173c3143b37", kill_on_drop: false }` [INFO] [stdout] 5739f8af75d09ebb5859bd8b9832dc92fe3335dbd8daf238503a7173c3143b37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a52cd4551b4899bfaa960949389a58da136ab4da3b0d739c63879f8a97ad0560 [INFO] running `Command { std: "docker" "start" "-a" "a52cd4551b4899bfaa960949389a58da136ab4da3b0d739c63879f8a97ad0560", kill_on_drop: false }` [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/nlopt_cobyla.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | / start [INFO] [stdout] 310 | | .duration_since(UNIX_EPOCH) [INFO] [stdout] | |___________________________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling approx v0.5.1 [INFO] [stderr] Compiling cobyla v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/nlopt_cobyla.rs:309:5 [INFO] [stdout] | [INFO] [stdout] 309 | / start [INFO] [stdout] 310 | | .duration_since(UNIX_EPOCH) [INFO] [stdout] | |___________________________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "a52cd4551b4899bfaa960949389a58da136ab4da3b0d739c63879f8a97ad0560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a52cd4551b4899bfaa960949389a58da136ab4da3b0d739c63879f8a97ad0560", kill_on_drop: false }` [INFO] [stdout] a52cd4551b4899bfaa960949389a58da136ab4da3b0d739c63879f8a97ad0560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c14e8cc7e4cf5e6c117fc93f9e4762e14b8134d242743bd04f1458f658e00aa4 [INFO] running `Command { std: "docker" "start" "-a" "c14e8cc7e4cf5e6c117fc93f9e4762e14b8134d242743bd04f1458f658e00aa4", kill_on_drop: false }` [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/nlopt_cobyla.rs:309:5 [INFO] [stderr] | [INFO] [stderr] 309 | / start [INFO] [stderr] 310 | | .duration_since(UNIX_EPOCH) [INFO] [stderr] | |___________________________________^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `cobyla` (lib) generated 1 warning [INFO] [stderr] warning: `cobyla` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cobyla-e41e7d8c296c0d58) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_fletcher9115 ... ok [INFO] [stdout] test tests::test_paraboloid ... ok [INFO] [stdout] test tests::test_cobyla_minimize ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests cobyla [INFO] [stdout] [INFO] [stdout] running 29 tests [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_full_cost (line 200) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_full_best_cost (line 217) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_best_cost (line 449) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_cost (line 430) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_func_counts (line 625) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_best_param (line 373) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_max_iters (line 516) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::cost (line 176) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_iter (line 484) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_param (line 353) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_target_cost (line 468) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_last_best_iter (line 500) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::func_counts (line 594) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_time (line 563) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_termination_reason (line 546) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::increment_iter (line 580) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::is_best (line 646) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::get_termination_status (line 532) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::param (line 86) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::iprint (line 157) ... ok [INFO] [stdout] test src/cobyla_solver.rs - cobyla_solver::CobylaSolver (line 14) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::update (line 319) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::max_iters (line 133) ... ok [INFO] [stdout] test src/lib.rs - StopTols (line 54) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::new (line 261) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::time (line 412) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::target_cost (line 115) ... ok [INFO] [stdout] test src/cobyla_state.rs - cobyla_state::CobylaState::terminate_with (line 395) ... ok [INFO] [stdout] test src/lib.rs - minimize (line 109) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.86s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c14e8cc7e4cf5e6c117fc93f9e4762e14b8134d242743bd04f1458f658e00aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c14e8cc7e4cf5e6c117fc93f9e4762e14b8134d242743bd04f1458f658e00aa4", kill_on_drop: false }` [INFO] [stdout] c14e8cc7e4cf5e6c117fc93f9e4762e14b8134d242743bd04f1458f658e00aa4