[INFO] fetching crate twine-observers 0.6.0...
[INFO] testing twine-observers-0.6.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate twine-observers 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate twine-observers 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twine-observers 0.6.0
[INFO] tweaked toml for crates.io crate twine-observers 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate twine-observers 0.6.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twine-observers 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zvariant_derive v4.2.0
[INFO] [stderr]   Downloaded endi v1.1.1
[INFO] [stderr]   Downloaded atspi-proxies v0.6.0
[INFO] [stderr]   Downloaded immutable-chunkmap v2.1.2
[INFO] [stderr]   Downloaded accesskit v0.17.1
[INFO] [stderr]   Downloaded async-fs v2.2.0
[INFO] [stderr]   Downloaded accesskit_macos v0.18.1
[INFO] [stderr]   Downloaded wayland-backend v0.3.12
[INFO] [stderr]   Downloaded accesskit_consumer v0.26.0
[INFO] [stderr]   Downloaded egui v0.31.1
[INFO] [stderr]   Downloaded zbus-lockstep v0.4.4
[INFO] [stderr]   Downloaded wayland-protocols-misc v0.3.10
[INFO] [stderr]   Downloaded smithay-clipboard v0.7.3
[INFO] [stderr]   Downloaded emath v0.31.1
[INFO] [stderr]   Downloaded wayland-protocols v0.32.10
[INFO] [stderr]   Downloaded accesskit_winit v0.23.1
[INFO] [stderr]   Downloaded twine-solvers v0.6.0
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.10
[INFO] [stderr]   Downloaded wgpu-types v24.0.0
[INFO] [stderr]   Downloaded zbus_xml v4.0.0
[INFO] [stderr]   Downloaded zbus_names v3.0.0
[INFO] [stderr]   Downloaded wgpu-hal v24.0.4
[INFO] [stderr]   Downloaded accesskit_atspi_common v0.10.1
[INFO] [stderr]   Downloaded accesskit_windows v0.24.1
[INFO] [stderr]   Downloaded egui_glow v0.31.1
[INFO] [stderr]   Downloaded atspi-connection v0.6.0
[INFO] [stderr]   Downloaded atspi v0.22.0
[INFO] [stderr]   Downloaded async-broadcast v0.7.2
[INFO] [stderr]   Downloaded zbus_macros v4.4.0
[INFO] [stderr]   Downloaded accesskit_unix v0.13.1
[INFO] [stderr]   Downloaded quick-xml v0.30.0
[INFO] [stderr]   Downloaded naga v24.0.0
[INFO] [stderr]   Downloaded wayland-scanner v0.31.8
[INFO] [stderr]   Downloaded epaint_default_fonts v0.31.1
[INFO] [stderr]   Downloaded calloop v0.14.4
[INFO] [stderr]   Downloaded calloop-wayland-source v0.4.1
[INFO] [stderr]   Downloaded eframe v0.31.1
[INFO] [stderr]   Downloaded wayland-sys v0.31.8
[INFO] [stderr]   Downloaded twine-core v0.6.0
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.3.10
[INFO] [stderr]   Downloaded wgpu v24.0.5
[INFO] [stderr]   Downloaded egui-wgpu v0.31.1
[INFO] [stderr]   Downloaded zvariant_utils v2.1.0
[INFO] [stderr]   Downloaded ecolor v0.31.1
[INFO] [stderr]   Downloaded egui-winit v0.31.1
[INFO] [stderr]   Downloaded wayland-client v0.31.12
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.20.0
[INFO] [stderr]   Downloaded zbus-lockstep-macros v0.4.4
[INFO] [stderr]   Downloaded egui_plot v0.31.0
[INFO] [stderr]   Downloaded winit v0.30.12
[INFO] [stderr]   Downloaded wayland-protocols-experimental v20250721.0.1
[INFO] [stderr]   Downloaded webbrowser v1.1.0
[INFO] [stderr]   Downloaded wgpu-core v24.0.5
[INFO] [stderr]   Downloaded wayland-cursor v0.31.12
[INFO] [stderr]   Downloaded zbus v4.4.0
[INFO] [stderr]   Downloaded xdg-home v1.3.0
[INFO] [stderr]   Downloaded zvariant v4.2.0
[INFO] [stderr]   Downloaded epaint v0.31.1
[INFO] [stderr]   Downloaded uds_windows v1.1.0
[INFO] [stderr]   Downloaded atspi-common v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e153742c483a2bfbdf0fe0a4835a19e24245b0b50a6681a940dc9f19dd1c324c
[INFO] running `Command { std: "docker" "start" "-a" "e153742c483a2bfbdf0fe0a4835a19e24245b0b50a6681a940dc9f19dd1c324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e153742c483a2bfbdf0fe0a4835a19e24245b0b50a6681a940dc9f19dd1c324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e153742c483a2bfbdf0fe0a4835a19e24245b0b50a6681a940dc9f19dd1c324c", kill_on_drop: false }`
[INFO] [stdout] e153742c483a2bfbdf0fe0a4835a19e24245b0b50a6681a940dc9f19dd1c324c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ee8ba6441bda533cb8b7431a466958a33b119ef7a4db4266bf2ee755d7a342
[INFO] running `Command { std: "docker" "start" "-a" "27ee8ba6441bda533cb8b7431a466958a33b119ef7a4db4266bf2ee755d7a342", kill_on_drop: false }`
[INFO] [stderr]    Compiling twine-core v0.6.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling twine-solvers v0.6.0
[INFO] [stderr]    Compiling twine-observers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "27ee8ba6441bda533cb8b7431a466958a33b119ef7a4db4266bf2ee755d7a342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ee8ba6441bda533cb8b7431a466958a33b119ef7a4db4266bf2ee755d7a342", kill_on_drop: false }`
[INFO] [stdout] 27ee8ba6441bda533cb8b7431a466958a33b119ef7a4db4266bf2ee755d7a342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84d41a47fc8dc59606976888e55d30e48a6c6b6057a532f673717bcccade366
[INFO] running `Command { std: "docker" "start" "-a" "d84d41a47fc8dc59606976888e55d30e48a6c6b6057a532f673717bcccade366", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling twine-observers v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "d84d41a47fc8dc59606976888e55d30e48a6c6b6057a532f673717bcccade366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84d41a47fc8dc59606976888e55d30e48a6c6b6057a532f673717bcccade366", kill_on_drop: false }`
[INFO] [stdout] d84d41a47fc8dc59606976888e55d30e48a6c6b6057a532f673717bcccade366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a8dc871ec6ddf1edf59caab0b8d348923f95e4fd377067e8eccdc22a8dff56d
[INFO] running `Command { std: "docker" "start" "-a" "1a8dc871ec6ddf1edf59caab0b8d348923f95e4fd377067e8eccdc22a8dff56d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/twine_observers-1db96b402a4da78b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test traits::tests::bisection_residual_evaluated ... ok
[INFO] [stdout] test traits::tests::bisection_residual_nan_on_problem_failed ... ok
[INFO] [stdout] test traits::tests::golden_section_objective_nan_on_model_failed ... ok
[INFO] [stdout] test traits::tests::golden_section_objective_nan_on_problem_failed ... ok
[INFO] [stdout] test traits::tests::golden_section_objective_evaluated ... ok
[INFO] [stdout] test traits::tests::bisection_residual_nan_on_model_failed ... 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] [stderr]    Doc-tests twine_observers
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/traits.rs - traits (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.62s; merged doctests compilation took 0.61s
[INFO] running `Command { std: "docker" "inspect" "1a8dc871ec6ddf1edf59caab0b8d348923f95e4fd377067e8eccdc22a8dff56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8dc871ec6ddf1edf59caab0b8d348923f95e4fd377067e8eccdc22a8dff56d", kill_on_drop: false }`
[INFO] [stdout] 1a8dc871ec6ddf1edf59caab0b8d348923f95e4fd377067e8eccdc22a8dff56d