[INFO] fetching crate modern_robotics_rust 0.0.1...
[INFO] testing modern_robotics_rust-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate modern_robotics_rust 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate modern_robotics_rust 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate modern_robotics_rust 0.0.1
[INFO] tweaked toml for crates.io crate modern_robotics_rust 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modern_robotics_rust 0.0.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modern_robotics_rust 0.0.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488a97c40bf163c3b69978b0c239b7192336d284e18cbba89cf4b16d5409d745
[INFO] running `Command { std: "docker" "start" "-a" "488a97c40bf163c3b69978b0c239b7192336d284e18cbba89cf4b16d5409d745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488a97c40bf163c3b69978b0c239b7192336d284e18cbba89cf4b16d5409d745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488a97c40bf163c3b69978b0c239b7192336d284e18cbba89cf4b16d5409d745", kill_on_drop: false }`
[INFO] [stdout] 488a97c40bf163c3b69978b0c239b7192336d284e18cbba89cf4b16d5409d745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 869f5f2d7eb9a51022b88cae72a2468c84ff7b16dd9e922b447f07668c8770b1
[INFO] running `Command { std: "docker" "start" "-a" "869f5f2d7eb9a51022b88cae72a2468c84ff7b16dd9e922b447f07668c8770b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling wide v0.7.33
[INFO] [stderr]    Compiling syn v2.0.116
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling simba v0.9.1
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.34.1
[INFO] [stderr]    Compiling modern_robotics_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `Command { std: "docker" "inspect" "869f5f2d7eb9a51022b88cae72a2468c84ff7b16dd9e922b447f07668c8770b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869f5f2d7eb9a51022b88cae72a2468c84ff7b16dd9e922b447f07668c8770b1", kill_on_drop: false }`
[INFO] [stdout] 869f5f2d7eb9a51022b88cae72a2468c84ff7b16dd9e922b447f07668c8770b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b13c1c7d76ebdd65a664ddd8259d7dc4687f460223f8bb2ca8aec17c15bc1281
[INFO] running `Command { std: "docker" "start" "-a" "b13c1c7d76ebdd65a664ddd8259d7dc4687f460223f8bb2ca8aec17c15bc1281", kill_on_drop: false }`
[INFO] [stderr]    Compiling modern_robotics_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RowVector3` and `Vector3`
[INFO] [stdout]  --> tests/fixed_stack_tests.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nalgebra::{SMatrix, Vector3, RowVector3};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> tests/fixed_stack_tests.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let A: SMatrix<f64, 2, 2> = SMatrix::from_row_slice(&[1., 2., 3., 4.]);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> tests/fixed_stack_tests.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let B: SMatrix<f64, 2, 1> = SMatrix::from_row_slice(&[5., 6.]);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `C` should have a snake case name
[INFO] [stdout]   --> tests/fixed_stack_tests.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let C: SMatrix<f64, 1, 2> = SMatrix::from_row_slice(&[7., 8.]);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> tests/fixed_stack_tests.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let D: SMatrix<f64, 1, 1> = SMatrix::from_row_slice(&[9.]);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> tests/fixed_stack_tests.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let M = block2x2(&A, &B, &C, &D);
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "b13c1c7d76ebdd65a664ddd8259d7dc4687f460223f8bb2ca8aec17c15bc1281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13c1c7d76ebdd65a664ddd8259d7dc4687f460223f8bb2ca8aec17c15bc1281", kill_on_drop: false }`
[INFO] [stdout] b13c1c7d76ebdd65a664ddd8259d7dc4687f460223f8bb2ca8aec17c15bc1281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab0d984b65f6c4493e2bdc2cf19ba128392e82a4fb764a19c76ceb62c2e94cac
[INFO] running `Command { std: "docker" "start" "-a" "ab0d984b65f6c4493e2bdc2cf19ba128392e82a4fb764a19c76ceb62c2e94cac", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `RowVector3` and `Vector3`
[INFO] [stderr]  --> tests/fixed_stack_tests.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nalgebra::{SMatrix, Vector3, RowVector3};
[INFO] [stderr]   |                         ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A` should have a snake case name
[INFO] [stderr]   --> tests/fixed_stack_tests.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let A: SMatrix<f64, 2, 2> = SMatrix::from_row_slice(&[1., 2., 3., 4.]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B` should have a snake case name
[INFO] [stderr]   --> tests/fixed_stack_tests.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let B: SMatrix<f64, 2, 1> = SMatrix::from_row_slice(&[5., 6.]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `C` should have a snake case name
[INFO] [stderr]   --> tests/fixed_stack_tests.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let C: SMatrix<f64, 1, 2> = SMatrix::from_row_slice(&[7., 8.]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `c`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> tests/fixed_stack_tests.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let D: SMatrix<f64, 1, 1> = SMatrix::from_row_slice(&[9.]);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]   --> tests/fixed_stack_tests.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let M = block2x2(&A, &B, &C, &D);
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: `modern_robotics_rust` (test "fixed_stack_tests") generated 6 warnings (run `cargo fix --test "fixed_stack_tests" -p modern_robotics_rust` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modern_robotics_rust-7f84cbacb16be0a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-45bb8417f1a178b8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fixed_stack_tests.rs (/opt/rustwide/target/debug/deps/fixed_stack_tests-b6561c5ba7540018)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test c_stack_2x_examples ... ok
[INFO] [stdout] test r_stack_2x_examples ... ok
[INFO] [stdout] test small_vectors_helpers ... ok
[INFO] [stdout] test block2x2_works_3x3 ... ok
[INFO] [stdout] test literals_3x3_and_4x4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests modern_robotics_rust
[INFO] [stdout] 
[INFO] [stdout] running 44 tests
[INFO] [stdout] test src/dynamics.rs - dynamics::gravity_forces (line 343) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::ad (line 11) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::euler_step (line 592) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::end_effector_forces (line 424) ... ok
[INFO] [stdout] test src/lib.rs - axis_ang_3 (line 124) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::vel_quadratic_forces (line 262) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::inverse_dynamics (line 58) ... ok
[INFO] [stdout] test src/lib.rs - distance_to_so3 (line 639) ... ok
[INFO] [stdout] test src/lib.rs - fkin_body (line 730) ... ok
[INFO] [stdout] test src/lib.rs - fkin_space (line 773) ... ok
[INFO] [stdout] test src/lib.rs - adjoint (line 390) ... ok
[INFO] [stdout] test src/lib.rs - axis_ang_6 (line 447) ... ok
[INFO] [stdout] test src/lib.rs - distance_to_se3 (line 661) ... ok
[INFO] [stdout] test src/lib.rs - ikin_body (line 904) ... ok
[INFO] [stdout] test src/lib.rs - ikin_space (line 970) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::mass_matrix (line 173) ... ok
[INFO] [stdout] test src/lib.rs - jacobian_body (line 815) ... ok
[INFO] [stdout] test src/lib.rs - matrix_exp3 (line 147) ... ok
[INFO] [stdout] test src/lib.rs - jacobian_space (line 856) ... ok
[INFO] [stdout] test src/lib.rs - matrix_log3 (line 178) ... ok
[INFO] [stdout] test src/lib.rs - normalize (line 40) ... ok
[INFO] [stdout] test src/lib.rs - matrix_exp6 (line 471) ... ok
[INFO] [stdout] test src/lib.rs - project_to_so3 (line 582) ... ok
[INFO] [stdout] test src/lib.rs - matrix_log6 (line 544) ... ok
[INFO] [stdout] test src/lib.rs - project_to_se3 (line 614) ... ok
[INFO] [stdout] test src/lib.rs - near_zero (line 25) ... ok
[INFO] [stdout] test src/lib.rs - rot_inv (line 58) ... ok
[INFO] [stdout] test src/lib.rs - rp_to_trans (line 220) ... ok
[INFO] [stdout] test src/lib.rs - screw_to_axis (line 426) ... ok
[INFO] [stdout] test src/lib.rs - trans_to_rp (line 263) ... ok
[INFO] [stdout] test src/lib.rs - test_if_se3 (line 708) ... ok
[INFO] [stdout] test src/lib.rs - se3_to_vec (line 361) ... ok
[INFO] [stdout] test src/lib.rs - test_if_so3 (line 690) ... ok
[INFO] [stdout] test src/lib.rs - trans_inv (line 292) ... ok
[INFO] [stdout] test src/lib.rs - so3_to_vec (line 103) ... ok
[INFO] [stdout] test src/lib.rs - vec_to_se3 (line 337) ... ok
[INFO] [stdout] test src/trajectory_gen.rs - trajectory_gen::screw_trajectory (line 120) ... ok
[INFO] [stdout] test src/trajectory_gen.rs - trajectory_gen::joint_trajectory (line 63) ... ok
[INFO] [stdout] test src/lib.rs - vec_to_so3 (line 80) ... ok
[INFO] [stdout] test src/trajectory_gen.rs - trajectory_gen::cubic_time_scaling (line 12) ... ok
[INFO] [stdout] test src/trajectory_gen.rs - trajectory_gen::quintic_time_scaling (line 33) ... ok
[INFO] [stdout] test src/robot_control.rs - robot_control::computed_torque (line 24) ... ok
[INFO] [stdout] test src/dynamics.rs - dynamics::forward_dynamics (line 509) ... ok
[INFO] [stdout] test src/robot_control.rs - robot_control::simulate_control (line 167) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 44 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/utils.rs - utils::r_stack (line 48) ... FAILED
[INFO] [stdout] test src/utils.rs - utils::c_stack (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils.rs - utils::r_stack (line 48) stdout ----
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:49:3
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:49:15
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:49:37
[INFO] [stdout]    |
[INFO] [stdout] 49 |   ┌     ┐     ┌       ┐       ┌     ┐ 
[INFO] [stdout]    |                                     ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:50:37
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |                                     ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:3
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |   │ 3 4 │     │       │       │ 3 4 │
[INFO] [stdout]    |                                     ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:52:3
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |                               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:52:37
[INFO] [stdout]    |
[INFO] [stdout] 52 |   └     ┘     └       ┘       │ 5 6 │
[INFO] [stdout]    |                                     ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   └     ┘
[INFO] [stdout]    |                       ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:53:37
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   └     ┘
[INFO] [stdout]    |                             ^
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/utils.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |   │ 1 2 │ and │ 5 6   │ gives │ 1 2 │
[INFO] [stdout]    |     ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/utils.rs - utils::c_stack (line 29) stdout ----
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:30:3
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{250c}
[INFO] [stdout]   --> src/utils.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2510}
[INFO] [stdout]   --> src/utils.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |   ┌     ┐     ┌   ┐       ┌       ┐ 
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:31:35
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:3
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2502}
[INFO] [stdout]   --> src/utils.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |   │ 3 4 │     │ 6 │       │ 3 4 6 │
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |         ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:33:15
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |               ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |                   ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2514}
[INFO] [stdout]   --> src/utils.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |                           ^
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: \u{2518}
[INFO] [stdout]   --> src/utils.rs:33:35
[INFO] [stdout]    |
[INFO] [stdout] 33 |   └     ┘     └   ┘       └       ┘
[INFO] [stdout]    |                                   ^
[INFO] [stdout] 
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/utils.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |   │ 1 2 │ and │ 5 │ gives │ 1 2 5 │
[INFO] [stdout]    |     ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 25 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/utils.rs - utils::c_stack (line 29)
[INFO] [stdout]     src/utils.rs - utils::r_stack (line 48)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.79s; merged doctests compilation took 1.57s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ab0d984b65f6c4493e2bdc2cf19ba128392e82a4fb764a19c76ceb62c2e94cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0d984b65f6c4493e2bdc2cf19ba128392e82a4fb764a19c76ceb62c2e94cac", kill_on_drop: false }`
[INFO] [stdout] ab0d984b65f6c4493e2bdc2cf19ba128392e82a4fb764a19c76ceb62c2e94cac