[INFO] cloning repository https://github.com/fedemagnani/optimization-solvers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fedemagnani/optimization-solvers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedemagnani%2Foptimization-solvers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedemagnani%2Foptimization-solvers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0399afe8ce45d44d349ed4e44d8b43c42cb842a
[INFO] testing fedemagnani/optimization-solvers against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffedemagnani%2Foptimization-solvers" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fedemagnani/optimization-solvers
[INFO] finished tweaking git repo https://github.com/fedemagnani/optimization-solvers
[INFO] tweaked toml for git repo https://github.com/fedemagnani/optimization-solvers written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fedemagnani/optimization-solvers on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fedemagnani/optimization-solvers 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c7fa471cb746fbfc5ed71a555ee8c246707a573dbdc8d6c9687b8ae4aaf497
[INFO] running `Command { std: "docker" "start" "-a" "53c7fa471cb746fbfc5ed71a555ee8c246707a573dbdc8d6c9687b8ae4aaf497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c7fa471cb746fbfc5ed71a555ee8c246707a573dbdc8d6c9687b8ae4aaf497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c7fa471cb746fbfc5ed71a555ee8c246707a573dbdc8d6c9687b8ae4aaf497", kill_on_drop: false }`
[INFO] [stdout] 53c7fa471cb746fbfc5ed71a555ee8c246707a573dbdc8d6c9687b8ae4aaf497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634d7886f10bcf3edebe96f30f21a0d809a0e3c59804c445d8e2a1346c19087c
[INFO] running `Command { std: "docker" "start" "-a" "634d7886f10bcf3edebe96f30f21a0d809a0e3c59804c445d8e2a1346c19087c", kill_on_drop: false }`
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[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 55.26s
[INFO] running `Command { std: "docker" "inspect" "634d7886f10bcf3edebe96f30f21a0d809a0e3c59804c445d8e2a1346c19087c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634d7886f10bcf3edebe96f30f21a0d809a0e3c59804c445d8e2a1346c19087c", kill_on_drop: false }`
[INFO] [stdout] 634d7886f10bcf3edebe96f30f21a0d809a0e3c59804c445d8e2a1346c19087c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35f93a8ab36755f2e499f6c0a8844803514a2a56731ae0d4fb9f01dc23724fc
[INFO] running `Command { std: "docker" "start" "-a" "c35f93a8ab36755f2e499f6c0a8844803514a2a56731ae0d4fb9f01dc23724fc", 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 5.14s
[INFO] running `Command { std: "docker" "inspect" "c35f93a8ab36755f2e499f6c0a8844803514a2a56731ae0d4fb9f01dc23724fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35f93a8ab36755f2e499f6c0a8844803514a2a56731ae0d4fb9f01dc23724fc", kill_on_drop: false }`
[INFO] [stdout] c35f93a8ab36755f2e499f6c0a8844803514a2a56731ae0d4fb9f01dc23724fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59cd723fe6bd86980e015e30959df4391352140c5001f4159bb21c8c9d7611ab
[INFO] running `Command { std: "docker" "start" "-a" "59cd723fe6bd86980e015e30959df4391352140c5001f4159bb21c8c9d7611ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optimization_solvers-767046a878a0a047)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test quasi_newton::bfgs::test_bfgs::test_outer ... ok
[INFO] [stdout] test quasi_newton::broyden_b::test_broyden_b::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::broyden::test_broyden::broyden_backtracking ... ok
[INFO] [stdout] test newton::newton_test::newton_backtracking ... ok
[INFO] [stdout] test quasi_newton::dfp::test_dfp::dfp_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_morethuente ... ok
[INFO] [stdout] test newton::newton_test::newton_morethuente ... ok
[INFO] [stdout] test quasi_newton::dfp_b::test_dfpb::dfpb_backtracking ... ok
[INFO] [stdout] test quasi_newton::broyden::test_broyden::broyden_morethuente ... 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 newton::projected_newton::projected_newton_tests::constrained_grad_desc_backtracking ... ok
[INFO] [stdout] test line_search::morethuente_b::morethuente_test::test_phi ... ok
[INFO] [stdout] test line_search::morethuente::morethuente_test::test_phi ... ok
[INFO] [stdout] test quasi_newton::dfp_b::test_dfpb::test_outer ... ok
[INFO] [stdout] test quasi_newton::sr1_b::test_sr1_b::test_outer ... ok
[INFO] [stdout] test quasi_newton::bfgs_b::bfgsb_test::constrained_grad_desc_backtracking ... ok
[INFO] [stdout] test steepest_descent::coordinate_descent::steepest_descent_l1_test::coordinate_descent_backtracking ... ok
[INFO] [stdout] test newton::spn::spg_test::constrained_spg_backtracking ... ok
[INFO] [stdout] test quasi_newton::sr1_b::test_sr1_b::sr1_b_backtracking ... ok
[INFO] [stdout] test steepest_descent::gradient_descent::gradient_descent_test::grad_descent_more_thuente ... ok
[INFO] [stdout] test line_search::backtracking::backtracking_tests::test_backtracking ... ok
[INFO] [stdout] test steepest_descent::spg::spg_test::constrained_spg_backtracking ... ok
[INFO] [stdout] test steepest_descent::coordinate_descent::steepest_descent_l1_test::coordinate_descent_morethuente ... ok
[INFO] [stdout] test steepest_descent::pnorm_descent::gpnorm_descent_test::pnorm_morethuente ... ok
[INFO] [stdout] test steepest_descent::pnorm_descent::gpnorm_descent_test::pnorm_backtracking ... ok
[INFO] [stdout] test steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking ... FAILED
[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' (66) 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:     0x5875f13b65e2 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5875f13b65e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5875f13b65e2 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5875f13b65e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5875f13c8c0a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5875f13c8c0a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x5875f1384a86 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5875f1384a86 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5875f13959e9 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5875f13959e9 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5875f1395881 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5875f10b0d6e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5875f10b0d6e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5875f1395c62 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5875f1395c62 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5875f1395aa8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5875f1390c09 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5875f13798bd - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5875f13d22ec - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5875f13d18d2 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5875f10288fc - core::result::Result<T,E>::unwrap::hc0bbafbd28a2e152
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5875f10288fc - optimization_solvers::steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking::hec3d0a1fd7d883e4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/steepest_descent/gradient_descent.rs:166:10
[INFO] [stdout]   22:     0x5875f1028cf7 - optimization_solvers::steepest_descent::gradient_descent::gradient_descent_test::grad_desc_backtracking::{{closure}}::h487e1812c4d1a999
[INFO] [stdout]                                at /opt/rustwide/workdir/src/steepest_descent/gradient_descent.rs:133:36
[INFO] [stdout]   23:     0x5875f100d4b6 - core::ops::function::FnOnce::call_once::hb4f5c61b6563989f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5875f10b0b2b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5875f10b0b2b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5875f10c453a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5875f10c453a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5875f10c453a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5875f10c453a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5875f10c453a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5875f10c453a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5875f10c453a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5875f109e994 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5875f109e994 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5875f10a2332 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5875f10a2332 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5875f10a2332 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5875f10a2332 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5875f10a2332 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5875f10a2332 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5875f10a2332 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5875f138bdef - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5875f138bdef - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x738b31820aa4 - <unknown>
[INFO] [stdout]   45:     0x738b318ada64 - 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 0.39s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "59cd723fe6bd86980e015e30959df4391352140c5001f4159bb21c8c9d7611ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59cd723fe6bd86980e015e30959df4391352140c5001f4159bb21c8c9d7611ab", kill_on_drop: false }`
[INFO] [stdout] 59cd723fe6bd86980e015e30959df4391352140c5001f4159bb21c8c9d7611ab
