[INFO] fetching crate optimization-solvers 0.1.1...
[INFO] testing optimization-solvers-0.1.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate optimization-solvers 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate optimization-solvers 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate optimization-solvers 0.1.1
[INFO] tweaked toml for crates.io crate optimization-solvers 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimization-solvers 0.1.1 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optimization-solvers 0.1.1 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42dca90d9ce0f28ba98f2b4fd77142c0d5551c83c10bfabed602a8c0d161acd7
[INFO] running `Command { std: "docker" "start" "-a" "42dca90d9ce0f28ba98f2b4fd77142c0d5551c83c10bfabed602a8c0d161acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42dca90d9ce0f28ba98f2b4fd77142c0d5551c83c10bfabed602a8c0d161acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42dca90d9ce0f28ba98f2b4fd77142c0d5551c83c10bfabed602a8c0d161acd7", kill_on_drop: false }`
[INFO] [stdout] 42dca90d9ce0f28ba98f2b4fd77142c0d5551c83c10bfabed602a8c0d161acd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31f0ea9ae838127e2dc1d0ef379397e58bf412cf58f03306a2e81e9b8c44a4ab
[INFO] running `Command { std: "docker" "start" "-a" "31f0ea9ae838127e2dc1d0ef379397e58bf412cf58f03306a2e81e9b8c44a4ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling unicase v2.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
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[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling typeid v1.0.2
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[INFO] [stderr]    Compiling regex-syntax v0.8.5
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[INFO] [stderr]    Compiling mime v0.3.17
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[INFO] [stderr]    Compiling matrixmultiply v0.3.9
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[INFO] [stderr]    Compiling nom v7.1.3
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[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling thiserror-impl v2.0.6
[INFO] [stderr]    Compiling derive-getters v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.11.0
[INFO] [stderr]    Compiling plotly_derive v0.10.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling erased-serde v0.4.5
[INFO] [stderr]    Compiling serde_with v3.11.0
[INFO] [stderr]    Compiling basic-toml v0.1.9
[INFO] [stderr]    Compiling rinja_parser v0.3.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling rinja_derive v0.3.5
[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling rinja v0.3.5
[INFO] [stderr]    Compiling plotly v0.10.0
[INFO] [stderr]    Compiling optimization-solvers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.77s
[INFO] running `Command { std: "docker" "inspect" "31f0ea9ae838127e2dc1d0ef379397e58bf412cf58f03306a2e81e9b8c44a4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f0ea9ae838127e2dc1d0ef379397e58bf412cf58f03306a2e81e9b8c44a4ab", kill_on_drop: false }`
[INFO] [stdout] 31f0ea9ae838127e2dc1d0ef379397e58bf412cf58f03306a2e81e9b8c44a4ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2025e9c88e77ef15d67fb4ff5b82f391bdea31810920c82b3b8fa3ff68e34fbd
[INFO] running `Command { std: "docker" "start" "-a" "2025e9c88e77ef15d67fb4ff5b82f391bdea31810920c82b3b8fa3ff68e34fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimization-solvers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `Command { std: "docker" "inspect" "2025e9c88e77ef15d67fb4ff5b82f391bdea31810920c82b3b8fa3ff68e34fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2025e9c88e77ef15d67fb4ff5b82f391bdea31810920c82b3b8fa3ff68e34fbd", kill_on_drop: false }`
[INFO] [stdout] 2025e9c88e77ef15d67fb4ff5b82f391bdea31810920c82b3b8fa3ff68e34fbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6418cb12fac762b3b177561477a968d4b610bd36dc9a7fb415adc918fb22bb08
[INFO] running `Command { std: "docker" "start" "-a" "6418cb12fac762b3b177561477a968d4b610bd36dc9a7fb415adc918fb22bb08", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optimization_solvers-ab63c36b441cc782)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test quasi_newton::broyden_b::test_broyden_b::test_outer ... ok
[INFO] [stdout] test quasi_newton::bfgs::test_bfgs::test_outer ... ok
[INFO] [stdout] test quasi_newton::broyden::test_broyden::test_outer ... ok
[INFO] [stdout] test quasi_newton::dfp::test_dfp::test_outer ... ok
[INFO] [stdout] test quasi_newton::bfgs::test_bfgs::bfgs_backtracking ... ok
[INFO] [stdout] test quasi_newton::bfgs::test_bfgs::bfgs_morethuente ... ok
[INFO] [stdout] test quasi_newton::bfgs_b::bfgsb_test::constrained_grad_desc_backtracking ... ok
[INFO] [stdout] test quasi_newton::broyden_b::test_broyden_b::broyden_b_backtracking ... ok
[INFO] [stdout] test quasi_newton::dfp::test_dfp::dfp_backtracking ... ok
[INFO] [stdout] test line_search::backtracking::backtracking_tests::test_backtracking ... ok
[INFO] [stdout] test quasi_newton::sr1_b::test_sr1_b::test_outer ... ok
[INFO] [stdout] test quasi_newton::dfp_b::test_dfpb::test_outer ... ok
[INFO] [stdout] test line_search::morethuente_b::morethuente_test::test_phi ... ok
[INFO] [stdout] test quasi_newton::broyden::test_broyden::broyden_backtracking ... ok
[INFO] [stdout] test newton::newton_test::newton_backtracking ... ok
[INFO] [stdout] test line_search::morethuente::morethuente_test::test_phi ... ok
[INFO] [stdout] test quasi_newton::broyden::test_broyden::broyden_morethuente ... ok
[INFO] [stdout] test steepest_descent::coordinate_descent::steepest_descent_l1_test::coordinate_descent_backtracking ... ok
[INFO] [stdout] test newton::projected_newton::projected_newton_tests::constrained_grad_desc_backtracking ... ok
[INFO] [stdout] test quasi_newton::dfp_b::test_dfpb::dfpb_backtracking ... ok
[INFO] [stdout] test steepest_descent::spg::spg_test::constrained_spg_backtracking ... ok
[INFO] [stdout] test newton::spn::spg_test::constrained_spg_backtracking ... ok
[INFO] [stdout] test steepest_descent::gradient_descent::gradient_descent_test::grad_descent_more_thuente ... ok
[INFO] [stdout] test quasi_newton::dfp::test_dfp::dfp_morethuente ... ok
[INFO] [stdout] test quasi_newton::sr1_b::test_sr1_b::sr1_b_backtracking ... ok
[INFO] [stdout] test steepest_descent::pnorm_descent::gpnorm_descent_test::pnorm_backtracking ... ok
[INFO] [stdout] test steepest_descent::pnorm_descent::gpnorm_descent_test::pnorm_morethuente ... ok
[INFO] [stdout] test steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking ... FAILED
[INFO] [stdout] test steepest_descent::coordinate_descent::steepest_descent_l1_test::coordinate_descent_morethuente ... ok
[INFO] [stdout] test newton::newton_test::newton_morethuente ... ok
[INFO] [stdout] test steepest_descent::projected_gradient_descent::projected_gradient_test::constrained_grad_desc_backtracking ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking' (65) panicked at src/steepest_descent/gradient_descent.rs:166:10:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: MaxIterReached
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a7440d59912 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a7440d59912 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a7440d59912 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a7440d59912 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a7440d6bf3a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a7440d6bf3a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5a7440d27ff6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a7440d27ff6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a7440d38d19 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a7440d38d19 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a7440d38bb1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a7440a552de - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a7440a552de - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a7440d38f92 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a7440d38f92 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a7440d38dd8 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a7440d33f39 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a7440d1cbed - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a7440d7561c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a7440d74c02 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5a7440a22e3c - core::result::Result<T,E>::unwrap::hefed6977f9a576d9
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5a7440a22e3c - optimization_solvers::steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking::h43c98934590cbb93
[INFO] [stdout]                                at /opt/rustwide/workdir/src/steepest_descent/gradient_descent.rs:166:10
[INFO] [stdout]   22:     0x5a7440a234d7 - optimization_solvers::steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking::{{closure}}::h8fd2ed41e38fd10a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/steepest_descent/gradient_descent.rs:133:36
[INFO] [stdout]   23:     0x5a74409b18e6 - core::ops::function::FnOnce::call_once::h830e2579393a334f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a7440a550db - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a7440a550db - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a7440a68aaa - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a7440a68aaa - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5a7440a68aaa - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a7440a68aaa - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a7440a68aaa - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a7440a68aaa - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a7440a68aaa - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a7440a42f04 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a7440a42f04 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5a7440a467c2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5a7440a467c2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5a7440a467c2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5a7440a467c2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5a7440a467c2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a7440a467c2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5a7440a467c2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a7440d2f11f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5a7440d2f11f - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x79988b103aa4 - <unknown>
[INFO] [stdout]   45:     0x79988b190a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 30 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "6418cb12fac762b3b177561477a968d4b610bd36dc9a7fb415adc918fb22bb08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6418cb12fac762b3b177561477a968d4b610bd36dc9a7fb415adc918fb22bb08", kill_on_drop: false }`
[INFO] [stdout] 6418cb12fac762b3b177561477a968d4b610bd36dc9a7fb415adc918fb22bb08
