[INFO] cloning repository https://github.com/procedural-rust/line-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/procedural-rust/line-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2Fline-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2Fline-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1290d244d25d0c21e33726d43f6a553cbef576
[INFO] checking procedural-rust/line-algorithms against master#5431404b87967c69438ea1e698edbe96505f0798 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2Fline-algorithms" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/procedural-rust/line-algorithms on toolchain 5431404b87967c69438ea1e698edbe96505f0798
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5431404b87967c69438ea1e698edbe96505f0798" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] finished tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] tweaked toml for git repo https://github.com/procedural-rust/line-algorithms written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/procedural-rust/line-algorithms 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" "+5431404b87967c69438ea1e698edbe96505f0798" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking procedural-rust/line-algorithms against try#21bc403d557a2516df70ea80fb19b94177beede5 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2Fline-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/procedural-rust/line-algorithms on toolchain 21bc403d557a2516df70ea80fb19b94177beede5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] finished tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] tweaked toml for git repo https://github.com/procedural-rust/line-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/procedural-rust/line-algorithms 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" "+21bc403d557a2516df70ea80fb19b94177beede5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking procedural-rust/line-algorithms against try#21bc403d557a2516df70ea80fb19b94177beede5 for pr-119849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprocedural-rust%2Fline-algorithms" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/procedural-rust/line-algorithms on toolchain 21bc403d557a2516df70ea80fb19b94177beede5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] finished tweaking git repo https://github.com/procedural-rust/line-algorithms
[INFO] tweaked toml for git repo https://github.com/procedural-rust/line-algorithms written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/procedural-rust/line-algorithms 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" "+21bc403d557a2516df70ea80fb19b94177beede5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cb36fcd90c1324ab34f63db6c024fcf322f91728ab6cc69d990f8013980d1dd
[INFO] running `Command { std: "docker" "start" "-a" "8cb36fcd90c1324ab34f63db6c024fcf322f91728ab6cc69d990f8013980d1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cb36fcd90c1324ab34f63db6c024fcf322f91728ab6cc69d990f8013980d1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb36fcd90c1324ab34f63db6c024fcf322f91728ab6cc69d990f8013980d1dd", kill_on_drop: false }`
[INFO] [stdout] 8cb36fcd90c1324ab34f63db6c024fcf322f91728ab6cc69d990f8013980d1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+21bc403d557a2516df70ea80fb19b94177beede5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1242c1d86803cc51e91b584a3702ca0f7071c61af90e920f4ddd13ee7f9b155
[INFO] running `Command { std: "docker" "start" "-a" "d1242c1d86803cc51e91b584a3702ca0f7071c61af90e920f4ddd13ee7f9b155", kill_on_drop: false }`
[INFO] [stderr]     Checking line_algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/rational.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/rational.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct RationalPoint2D {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 15 |     x: Rational,
[INFO] [stdout]    |     ^
[INFO] [stdout] 16 |     y: Rational,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RationalPoint2D` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_cells_on_line_segment_2d_rational_scale` is never used
[INFO] [stdout]    --> src/main.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn integer_cells_on_line_segment_2d_rational_scale(point1: Point2D, point2: Point2D, radius: Rational) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_on_line_segment_2d` is never used
[INFO] [stdout]    --> src/main.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn integer_points_on_line_segment_2d(point1: Point2D, point2: Point2D) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l_infinity_line_rational_endpoints` is never used
[INFO] [stdout]    --> src/main.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |  fn l_infinity_line_rational_endpoints(point1: RationalPoint2D, point2: RationalPoint2D) -> Vec<Point2D>{
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_cells_on_line_segment_3d` is never used
[INFO] [stdout]    --> src/main.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn integer_cells_on_line_segment_3d(point1: Point3D, point2: Point3D) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_on_line_segment_3d` is never used
[INFO] [stdout]    --> src/main.rs:411:4
[INFO] [stdout]     |
[INFO] [stdout] 411 | fn integer_points_on_line_segment_3d(point1: Point3D, point2: Point3D) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_circle_slow` is never used
[INFO] [stdout]    --> src/main.rs:464:4
[INFO] [stdout]     |
[INFO] [stdout] 464 | fn integer_points_inside_circle_slow(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_circle` is never used
[INFO] [stdout]    --> src/main.rs:483:4
[INFO] [stdout]     |
[INFO] [stdout] 483 | fn integer_points_inside_circle(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_dimond_2d` is never used
[INFO] [stdout]    --> src/main.rs:520:4
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn integer_points_inside_dimond_2d(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_square` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn integer_points_inside_square(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_sphere_slow` is never used
[INFO] [stdout]    --> src/main.rs:556:4
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn integer_points_inside_sphere_slow(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_sphere_helper` is never used
[INFO] [stdout]    --> src/main.rs:577:4
[INFO] [stdout]     |
[INFO] [stdout] 577 | fn integer_points_inside_sphere_helper(center: Point2D, radius_squared: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_sphere` is never used
[INFO] [stdout]    --> src/main.rs:612:4
[INFO] [stdout]     |
[INFO] [stdout] 612 | fn integer_points_inside_sphere(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_dimond_3d` is never used
[INFO] [stdout]    --> src/main.rs:637:4
[INFO] [stdout]     |
[INFO] [stdout] 637 | fn integer_points_inside_dimond_3d(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_l_infinity_sphere` is never used
[INFO] [stdout]    --> src/main.rs:657:4
[INFO] [stdout]     |
[INFO] [stdout] 657 | fn integer_points_inside_l_infinity_sphere(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]    --> src/main.rs:677:4
[INFO] [stdout]     |
[INFO] [stdout] 677 | fn sort<A, T>(mut array: A) -> A
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_rational_from_unsigned_integers`, `numerator`, `is_neg`, `rational_floor`, and `abs` are never used
[INFO] [stdout]    --> src/rational.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Rational {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |     pub fn new_rational_from_unsigned_integers(numerator: usize, denominator: usize) -> Rational{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn numerator(&self) -> usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     pub fn is_neg(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     pub fn rational_floor(&self,denom: usize) -> Rational{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     pub fn abs(&self) -> Rational{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_cells_on_line_segment_3d` is never used
[INFO] [stdout]    --> src/main.rs:346:4
[INFO] [stdout]     |
[INFO] [stdout] 346 | fn integer_cells_on_line_segment_3d(point1: Point3D, point2: Point3D) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_dimond_2d` is never used
[INFO] [stdout]    --> src/main.rs:520:4
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn integer_points_inside_dimond_2d(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_square` is never used
[INFO] [stdout]    --> src/main.rs:538:4
[INFO] [stdout]     |
[INFO] [stdout] 538 | fn integer_points_inside_square(center: Point2D, radius: isize) -> Vec<Point2D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_dimond_3d` is never used
[INFO] [stdout]    --> src/main.rs:637:4
[INFO] [stdout]     |
[INFO] [stdout] 637 | fn integer_points_inside_dimond_3d(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `integer_points_inside_l_infinity_sphere` is never used
[INFO] [stdout]    --> src/main.rs:657:4
[INFO] [stdout]     |
[INFO] [stdout] 657 | fn integer_points_inside_l_infinity_sphere(center: Point3D, radius: isize) -> Vec<Point3D>{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `numerator`, `is_neg`, and `abs` are never used
[INFO] [stdout]    --> src/rational.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl Rational {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn numerator(&self) -> usize{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     pub fn is_neg(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 245 |     pub fn abs(&self) -> Rational{
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "d1242c1d86803cc51e91b584a3702ca0f7071c61af90e920f4ddd13ee7f9b155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1242c1d86803cc51e91b584a3702ca0f7071c61af90e920f4ddd13ee7f9b155", kill_on_drop: false }`
[INFO] [stdout] d1242c1d86803cc51e91b584a3702ca0f7071c61af90e920f4ddd13ee7f9b155