[INFO] fetching crate polyfit-residuals 0.6.5...
[INFO] testing polyfit-residuals-0.6.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate polyfit-residuals 0.6.5 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate polyfit-residuals 0.6.5
[INFO] finished tweaking crates.io crate polyfit-residuals 0.6.5
[INFO] tweaked toml for crates.io crate polyfit-residuals 0.6.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polyfit-residuals 0.6.5 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 polyfit-residuals 0.6.5 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d0338f20c1dc1726d65df4fd95307dfd2c936acbe69755a31be983bb76b5874d
[INFO] running `Command { std: "docker" "start" "-a" "d0338f20c1dc1726d65df4fd95307dfd2c936acbe69755a31be983bb76b5874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0338f20c1dc1726d65df4fd95307dfd2c936acbe69755a31be983bb76b5874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0338f20c1dc1726d65df4fd95307dfd2c936acbe69755a31be983bb76b5874d", kill_on_drop: false }`
[INFO] [stdout] d0338f20c1dc1726d65df4fd95307dfd2c936acbe69755a31be983bb76b5874d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5736fca45d545fb7a35d7f55ead1ddd62468f119a218f7c1bd2c8d70603b7ea8
[INFO] running `Command { std: "docker" "start" "-a" "5736fca45d545fb7a35d7f55ead1ddd62468f119a218f7c1bd2c8d70603b7ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling polyfit-residuals v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "5736fca45d545fb7a35d7f55ead1ddd62468f119a218f7c1bd2c8d70603b7ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5736fca45d545fb7a35d7f55ead1ddd62468f119a218f7c1bd2c8d70603b7ea8", kill_on_drop: false }`
[INFO] [stdout] 5736fca45d545fb7a35d7f55ead1ddd62468f119a218f7c1bd2c8d70603b7ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c71a9486394cd9dc5fe4121668c301501af0d50d600d5c356c26b80bc466987
[INFO] running `Command { std: "docker" "start" "-a" "9c71a9486394cd9dc5fe4121668c301501af0d50d600d5c356c26b80bc466987", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling plotters-backend v0.3.6
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling maybe-debug v0.1.0
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling plotters-svg v0.3.6
[INFO] [stderr]    Compiling plotters v0.3.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling polyfit-residuals v0.6.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.15s
[INFO] running `Command { std: "docker" "inspect" "9c71a9486394cd9dc5fe4121668c301501af0d50d600d5c356c26b80bc466987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c71a9486394cd9dc5fe4121668c301501af0d50d600d5c356c26b80bc466987", kill_on_drop: false }`
[INFO] [stdout] 9c71a9486394cd9dc5fe4121668c301501af0d50d600d5c356c26b80bc466987
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 502bf3ad62b6328884ed64cc0376ba8ab14236d295b8d6f355a8fe69e350ef7f
[INFO] running `Command { std: "docker" "start" "-a" "502bf3ad62b6328884ed64cc0376ba8ab14236d295b8d6f355a8fe69e350ef7f", 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/polyfit_residuals-cb2edbe7f61b3a1c)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test poly::tests::eval ... ok
[INFO] [stdout] test poly::tests::left_eval ... ok
[INFO] [stdout] test tests::empty_input ... ok
[INFO] [stdout] test tests::all_residuals_shapes ... ok
[INFO] [stdout] test tests::small_example ... ok
[INFO] [stdout] test tests::big_example ... ok
[INFO] [stdout] test tests::different_lengths ... ok
[INFO] [stdout] test poly::tests::right_eval ... ok
[INFO] [stdout] test weighted::tests::small_example ... ok
[INFO] [stdout] test tests::solve_diag ... ok
[INFO] [stdout] test weighted::tests::tiny_example ... ok
[INFO] [stdout] test weighted::tests::weights_one ... ok
[INFO] [stdout] test tests::too_many_dofs ... ok
[INFO] [stdout] test tests::all_residuals_values ... ok
[INFO] [stderr]    Doc-tests polyfit_residuals
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - weighted::try_fit_poly_with_residual (line 463) ... ok
[INFO] [stdout] test src/lib.rs - solve_upper_triangular_system (line 731) ... ok
[INFO] [stdout] test src/lib.rs - weighted::try_fit_poly_with_residual (line 483) ... ok
[INFO] [stdout] test src/lib.rs - try_fit_poly_with_residual (line 795) ... ok
[INFO] [stdout] test src/lib.rs - residuals_from_front (line 181) ... ok
[INFO] [stdout] test src/lib.rs - weighted::try_fit_poly (line 582) ... ok
[INFO] [stdout] test src/lib.rs - try_fit_poly (line 883) ... ok
[INFO] [stdout] test src/lib.rs - try_fit_poly_with_residual (line 776) ... ok
[INFO] [stdout] test src/lib.rs - weighted::residuals_from_front (line 297) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "502bf3ad62b6328884ed64cc0376ba8ab14236d295b8d6f355a8fe69e350ef7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502bf3ad62b6328884ed64cc0376ba8ab14236d295b8d6f355a8fe69e350ef7f", kill_on_drop: false }`
[INFO] [stdout] 502bf3ad62b6328884ed64cc0376ba8ab14236d295b8d6f355a8fe69e350ef7f