[INFO] fetching crate simplex 1.0.0...
[INFO] testing simplex-1.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate simplex 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate simplex 1.0.0
[INFO] finished tweaking crates.io crate simplex 1.0.0
[INFO] tweaked toml for crates.io crate simplex 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplex 1.0.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.13.1 (available: v0.17.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb7ec44411fe396616bbb06fed20dedac66bdbb192dd8e45fff5bdc25aa02610
[INFO] running `Command { std: "docker" "start" "-a" "cb7ec44411fe396616bbb06fed20dedac66bdbb192dd8e45fff5bdc25aa02610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7ec44411fe396616bbb06fed20dedac66bdbb192dd8e45fff5bdc25aa02610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7ec44411fe396616bbb06fed20dedac66bdbb192dd8e45fff5bdc25aa02610", kill_on_drop: false }`
[INFO] [stdout] cb7ec44411fe396616bbb06fed20dedac66bdbb192dd8e45fff5bdc25aa02610
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bcdf6fa1c293c01ac139972ed0e7a7b60e30a1fad228a11205932a75465ce29
[INFO] running `Command { std: "docker" "start" "-a" "6bcdf6fa1c293c01ac139972ed0e7a7b60e30a1fad228a11205932a75465ce29", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling simplex v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s
[INFO] running `Command { std: "docker" "inspect" "6bcdf6fa1c293c01ac139972ed0e7a7b60e30a1fad228a11205932a75465ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcdf6fa1c293c01ac139972ed0e7a7b60e30a1fad228a11205932a75465ce29", kill_on_drop: false }`
[INFO] [stdout] 6bcdf6fa1c293c01ac139972ed0e7a7b60e30a1fad228a11205932a75465ce29
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d76397be6dd814070c59c21ea9b2773275e2d24ae27c19642dad0bbdad4dff3c
[INFO] running `Command { std: "docker" "start" "-a" "d76397be6dd814070c59c21ea9b2773275e2d24ae27c19642dad0bbdad4dff3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplex v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d76397be6dd814070c59c21ea9b2773275e2d24ae27c19642dad0bbdad4dff3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76397be6dd814070c59c21ea9b2773275e2d24ae27c19642dad0bbdad4dff3c", kill_on_drop: false }`
[INFO] [stdout] d76397be6dd814070c59c21ea9b2773275e2d24ae27c19642dad0bbdad4dff3c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 286b2f941ecd0f60ca8831f39d16cfbaf1279e8abf7977a00f121f1d1d1d4a95
[INFO] running `Command { std: "docker" "start" "-a" "286b2f941ecd0f60ca8831f39d16cfbaf1279e8abf7977a00f121f1d1d1d4a95", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simplex-ee0b646df829edfc)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test::build_simplex_table_2 ... ok
[INFO] [stdout] test test::build_simplex_table_1 ... ok
[INFO] [stdout] test test::build_simplex_table_3 ... ok
[INFO] [stdout] test test::get_entry_var_1 ... ok
[INFO] [stdout] test test::get_entry_var_2 ... ok
[INFO] [stdout] test test::get_entry_var_3 ... ok
[INFO] [stdout] test test::get_exit_var_1 ... ok
[INFO] [stdout] test test::get_exit_var_2 ... ok
[INFO] [stdout] test test::get_exit_var_3 ... ok
[INFO] [stdout] test test::solve_example_1 ... ok
[INFO] [stdout] test test::solve_example_2 ... ok
[INFO] [stdout] test test::solve_example_4 ... ok
[INFO] [stdout] test test::solve_example_5 ... ok
[INFO] [stdout] test test::step_example_1 ... ok
[INFO] [stdout] test test::solve_example_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplex
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SimplexMinimizerBuilder::with (line 246) ... FAILED
[INFO] [stdout] test src/lib.rs - SimplexTable::solve (line 143) ... FAILED
[INFO] [stdout] test src/lib.rs - Simplex (line 333) ... FAILED
[INFO] [stdout] test src/lib.rs - SimplexTable::get_var (line 201) ... FAILED
[INFO] [stdout] test src/lib.rs - SimplexMinimizerBuilder::with (line 237) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - SimplexMinimizerBuilder::with (line 246) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `z`
[INFO] [stdout]  --> src/lib.rs:247:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | minimize z = x - 2y
[INFO] [stdout]   |          ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SimplexTable::solve (line 143) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Simplex`
[INFO] [stdout]  --> src/lib.rs:145:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | let program = Simplex::minimize(&vec![-3.0, 1.0, -2.0])
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type `Simplex`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::Simplex;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:147:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |        SimplexConstraint::LessThan(vec![2.0, -2.0, 3.0], 5.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:148:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |        SimplexConstraint::LessThan(vec![1.0, 1.0, -1.0], 3.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:149:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |        SimplexConstraint::LessThan(vec![1.0, -1.0, 1.0], 2.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexOutput`
[INFO] [stdout]   --> src/lib.rs:152:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |    assert_eq!(simplex.solve(), SimplexOutput::MultipleOptimum(-8.0));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ use of undeclared type `SimplexOutput`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  2 + use simplex::SimplexOutput;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Simplex (line 333) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Simplex`
[INFO] [stdout]  --> src/lib.rs:334:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut problem = Simplex::minimize(&vec![5.0, -6.0]);
[INFO] [stdout]   |                   ^^^^^^^ use of undeclared type `Simplex`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::Simplex;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SimplexTable::get_var (line 201) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Simplex`
[INFO] [stdout]  --> src/lib.rs:203:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | let program = Simplex::minimize(&vec![-3.0, 1.0, -2.0])
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type `Simplex`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::Simplex;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:205:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |        SimplexConstraint::LessThan(vec![2.0, -2.0, 3.0], 5.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:206:8
[INFO] [stdout]   |
[INFO] [stdout] 8 |        SimplexConstraint::LessThan(vec![1.0, 1.0, -1.0], 3.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:207:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |        SimplexConstraint::LessThan(vec![1.0, -1.0, 1.0], 2.0),
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexOutput`
[INFO] [stdout]   --> src/lib.rs:210:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |    assert_eq!(simplex.solve(), SimplexOutput::MultipleOptimum(-8.0));
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ use of undeclared type `SimplexOutput`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout]  2 + use simplex::SimplexOutput;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - SimplexMinimizerBuilder::with (line 237) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Simplex`
[INFO] [stdout]  --> src/lib.rs:239:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut simplex = Simplex::minimize(&vec![1.0, -2.0])
[INFO] [stdout]   |                   ^^^^^^^ use of undeclared type `Simplex`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::Simplex;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:241:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     SimplexConstraint::GreaterThan(vec![1.0, 1.0], 2.0),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:242:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SimplexConstraint::GreaterThan(vec![-1.0, 1.0], 1.0),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SimplexConstraint`
[INFO] [stdout]  --> src/lib.rs:243:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     SimplexConstraint::LessThan(vec![0.0, 1.0], 3.0),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ use of undeclared type `SimplexConstraint`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]   |
[INFO] [stdout] 2 + use simplex::SimplexConstraint;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Simplex (line 333)
[INFO] [stdout]     src/lib.rs - SimplexMinimizerBuilder::with (line 237)
[INFO] [stdout]     src/lib.rs - SimplexMinimizerBuilder::with (line 246)
[INFO] [stdout]     src/lib.rs - SimplexTable::get_var (line 201)
[INFO] [stdout]     src/lib.rs - SimplexTable::solve (line 143)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "286b2f941ecd0f60ca8831f39d16cfbaf1279e8abf7977a00f121f1d1d1d4a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286b2f941ecd0f60ca8831f39d16cfbaf1279e8abf7977a00f121f1d1d1d4a95", kill_on_drop: false }`
[INFO] [stdout] 286b2f941ecd0f60ca8831f39d16cfbaf1279e8abf7977a00f121f1d1d1d4a95
