[INFO] cloning repository https://github.com/AntonZelenin/rust-physics-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AntonZelenin/rust-physics-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53119b3a5eb6e8cdb1430c3bda6d239948cd80d6 [INFO] checking AntonZelenin/rust-physics-engine against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAntonZelenin%2Frust-physics-engine" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AntonZelenin/rust-physics-engine on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AntonZelenin/rust-physics-engine [INFO] finished tweaking git repo https://github.com/AntonZelenin/rust-physics-engine [INFO] tweaked toml for git repo https://github.com/AntonZelenin/rust-physics-engine written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/AntonZelenin/rust-physics-engine already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded kiss3d v0.24.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39fb7633706c73932778ed2d007ea2ddab66723bb87ea77fdad6167793cf11b3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "39fb7633706c73932778ed2d007ea2ddab66723bb87ea77fdad6167793cf11b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39fb7633706c73932778ed2d007ea2ddab66723bb87ea77fdad6167793cf11b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39fb7633706c73932778ed2d007ea2ddab66723bb87ea77fdad6167793cf11b3", kill_on_drop: false }` [INFO] [stdout] 39fb7633706c73932778ed2d007ea2ddab66723bb87ea77fdad6167793cf11b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e68a26dc050262214292b4752d84759049ef4a52f1ae3a9955fc27e5eb66a433 [INFO] running `Command { std: "docker" "start" "-a" "e68a26dc050262214292b4752d84759049ef4a52f1ae3a9955fc27e5eb66a433", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking slotmap v0.4.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking instant v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking petgraph v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking osmesa-sys v0.1.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking png v0.15.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking x11-dl v2.18.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking rayon-core v1.6.0 [INFO] [stderr] Compiling gl v0.14.0 [INFO] [stderr] Compiling glutin v0.19.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking rusttype v0.8.1 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking rust-physics-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stdout] warning: unused variable: `q` [INFO] [stdout] --> src/rigid_body/mod.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 153 | q: &Quaternion, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_q` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sea_level_height` [INFO] [stdout] --> src/particle/force_generator/air_buoyancy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | sea_level_height: Real, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/particle/force_generator/deformable_spring.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/particle/force_generator/drag.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(k1: Real, k2: Real) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `World` [INFO] [stdout] --> src/particle/world.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct World<'a, P, C, FR, FG> [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run_physics` [INFO] [stdout] --> src/particle/world.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn run_physics(&'a mut self, duration: Real) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `integrate` [INFO] [stdout] --> src/particle/world.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn integrate(&mut self, duration: Real) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking jpeg-decoder v0.1.16 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Compiling paste-impl v0.1.12 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking paste v0.1.12 [INFO] [stderr] Checking simba v0.1.2 [INFO] [stderr] Checking nalgebra v0.21.1 [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking winit v0.18.1 [INFO] [stderr] Checking ncollide3d v0.23.0 [INFO] [stderr] Checking kiss3d v0.24.1 [INFO] [stdout] warning: unused variable: `q` [INFO] [stdout] --> src/rigid_body/mod.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 153 | q: &Quaternion, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_q` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sea_level_height` [INFO] [stdout] --> src/particle/force_generator/air_buoyancy.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | sea_level_height: Real, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/particle/force_generator/deformable_spring.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/particle/force_generator/drag.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn new(k1: Real, k2: Real) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `World` [INFO] [stdout] --> src/particle/world.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct World<'a, P, C, FR, FG> [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run_physics` [INFO] [stdout] --> src/particle/world.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn run_physics(&'a mut self, duration: Real) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `integrate` [INFO] [stdout] --> src/particle/world.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn integrate(&mut self, duration: Real) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Translation3` [INFO] [stdout] --> examples/spring_cube/spring_demo.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | use nalgebra::{Point3, Translation3}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/spring_cube/spring_demo.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Translation3`, `Vector3` [INFO] [stdout] --> examples/fireworks/fireworks_demo/firework.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use nalgebra::{Point3, Translation3, Vector3}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> examples/fireworks/fireworks_demo/firework.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Translation3`, `Vector3` [INFO] [stdout] --> examples/fireworks/fireworks_demo.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | use nalgebra::{Point3, Translation3, Vector3}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::BorrowMut` [INFO] [stdout] --> examples/fireworks/fireworks_demo.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `kiss3d::window::Window` [INFO] [stdout] --> examples/fireworks/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use kiss3d::window::Window; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `duration` [INFO] [stdout] --> examples/spring_cube/spring_demo.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let duration = timing.get_last_frame_duration().as_secs_f64() as Real; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `app` [INFO] [stdout] --> examples/app.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / use kiss3d::window::Window; [INFO] [stdout] 2 | | use rust_physics_engine::timing::TimingData; [INFO] [stdout] 3 | | [INFO] [stdout] 4 | | pub trait App { [INFO] [stdout] ... | [INFO] [stdout] 21 | | fn display(&mut self); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `examples/app.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `point` [INFO] [stdout] --> examples/spring_cube/spring_demo.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | point: Point3, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cube` [INFO] [stdout] --> examples/spring_cube/spring_demo.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | cube: SceneNode, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/fireworks/fireworks_demo.rs:166:25 [INFO] [stdout] | [INFO] [stdout] 166 | for i in 0..payload.count { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `position` [INFO] [stdout] --> examples/fireworks/fireworks_demo/firework.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | let position = self.get_position(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-physics-engine`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: associated function is never used: `get_rule_by_type` [INFO] [stdout] --> examples/fireworks/fireworks_demo.rs:179:8 [INFO] [stdout] | [INFO] [stdout] 179 | fn get_rule_by_type(&self, firework_type: i32) -> &FireworkRule { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/buoyancy/buoyancy.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | writeln!(self.log, "{}", format!("Velocity {}", vel.y)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/buoyancy/buoyancy.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | writeln!(self.log, "{}", format!("Position {}", pos.y)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/buoyancy/buoyancy.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | writeln!(self.log, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e68a26dc050262214292b4752d84759049ef4a52f1ae3a9955fc27e5eb66a433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e68a26dc050262214292b4752d84759049ef4a52f1ae3a9955fc27e5eb66a433", kill_on_drop: false }` [INFO] [stdout] e68a26dc050262214292b4752d84759049ef4a52f1ae3a9955fc27e5eb66a433