[INFO] fetching crate mathcore 0.3.1...
[INFO] testing mathcore-0.3.1 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate mathcore 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mathcore 0.3.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mathcore 0.3.1
[INFO] tweaked toml for crates.io crate mathcore 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mathcore 0.3.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mathcore 0.3.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c7544281191a36b7ab2da5f83df679577c78e562b18d72fc6f885b339be646
[INFO] running `Command { std: "docker" "start" "-a" "93c7544281191a36b7ab2da5f83df679577c78e562b18d72fc6f885b339be646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c7544281191a36b7ab2da5f83df679577c78e562b18d72fc6f885b339be646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c7544281191a36b7ab2da5f83df679577c78e562b18d72fc6f885b339be646", kill_on_drop: false }`
[INFO] [stdout] 93c7544281191a36b7ab2da5f83df679577c78e562b18d72fc6f885b339be646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a31e32f4d6c3a4608b3993a7d967957b9c5816e03f116ea4f75e78088b7a6ec
[INFO] running `Command { std: "docker" "start" "-a" "4a31e32f4d6c3a4608b3993a7d967957b9c5816e03f116ea4f75e78088b7a6ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling primal-check v0.3.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling transpose v0.2.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling rustfft v6.4.0
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling mathcore v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.76s
[INFO] running `Command { std: "docker" "inspect" "4a31e32f4d6c3a4608b3993a7d967957b9c5816e03f116ea4f75e78088b7a6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a31e32f4d6c3a4608b3993a7d967957b9c5816e03f116ea4f75e78088b7a6ec", kill_on_drop: false }`
[INFO] [stdout] 4a31e32f4d6c3a4608b3993a7d967957b9c5816e03f116ea4f75e78088b7a6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da9cbac6f4da471da092ccaf35e8f3761b32d15acaa0149b3168117314fa1192
[INFO] running `Command { std: "docker" "start" "-a" "da9cbac6f4da471da092ccaf35e8f3761b32d15acaa0149b3168117314fa1192", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_builder v4.5.46
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling simba v0.8.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling clap v4.5.46
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling nalgebra v0.32.6
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling mathcore v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.46s
[INFO] running `Command { std: "docker" "inspect" "da9cbac6f4da471da092ccaf35e8f3761b32d15acaa0149b3168117314fa1192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9cbac6f4da471da092ccaf35e8f3761b32d15acaa0149b3168117314fa1192", kill_on_drop: false }`
[INFO] [stdout] da9cbac6f4da471da092ccaf35e8f3761b32d15acaa0149b3168117314fa1192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ff2843467e5524e69376278c04874d675339377a8c4c6f1ed87ad505d26db90
[INFO] running `Command { std: "docker" "start" "-a" "4ff2843467e5524e69376278c04874d675339377a8c4c6f1ed87ad505d26db90", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mathcore-e60df3e7fee0fb50)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test calculus::limits::tests::test_simple_limit ... ok
[INFO] [stdout] test differential::tests::test_heat_equation ... ok
[INFO] [stdout] test ml::tests::test_gradient ... ok
[INFO] [stdout] test differential::tests::test_first_order_ode ... ok
[INFO] [stdout] test matrix::tests::test_determinant ... ok
[INFO] [stdout] test matrix::tests::test_matrix_multiplication ... ok
[INFO] [stdout] test calculus::limits::tests::test_limit_at_infinity ... ok
[INFO] [stdout] test ml::tests::test_taylor_series ... ok
[INFO] [stdout] test parser::tests::test_parse_function ... ok
[INFO] [stdout] test parser::tests::test_parse_binary_ops ... ok
[INFO] [stdout] test parser::tests::test_parse_complex ... ok
[INFO] [stdout] test parser::tests::test_parse_number ... ok
[INFO] [stdout] test parser::tests::test_precedence ... ok
[INFO] [stdout] test parser::tests::test_parse_symbol ... ok
[INFO] [stdout] test precision::tests::test_precision_arithmetic ... ok
[INFO] [stdout] test tests::test_basic_arithmetic ... ok
[INFO] [stdout] test tests::test_integration ... ok
[INFO] [stdout] test tests::test_simplification ... ok
[INFO] [stdout] test tests::test_functions ... ok
[INFO] [stdout] test tests::test_solving ... ok
[INFO] [stdout] test tests::test_variables ... ok
[INFO] [stdout] test transforms::tests::test_fft ... ok
[INFO] [stdout] test precision::tests::test_compute_constants ... ok
[INFO] [stdout] test transforms::tests::test_sparse_matrix ... ok
[INFO] [stdout] test tests::test_differentiation ... ok
[INFO] [stdout] test differential::tests::test_ode_system ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-2c7738a1695d631a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_complex_calculations ... ok
[INFO] [stdout] test test_error_handling ... ok
[INFO] [stdout] test test_complete_workflow ... ok
[INFO] [stdout] test test_scientific_constants ... ok
[INFO] [stdout] test test_symbolic_operations ... ok
[INFO] [stdout] test test_equation_solving ... ok
[INFO] [stdout] test test_factorials_and_powers ... ok
[INFO] [stdout] test test_numerical_methods ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mathcore
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ff2843467e5524e69376278c04874d675339377a8c4c6f1ed87ad505d26db90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff2843467e5524e69376278c04874d675339377a8c4c6f1ed87ad505d26db90", kill_on_drop: false }`
[INFO] [stdout] 4ff2843467e5524e69376278c04874d675339377a8c4c6f1ed87ad505d26db90