[INFO] cloning repository https://github.com/Linux0Hat/physicium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Linux0Hat/physicium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux0Hat%2Fphysicium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux0Hat%2Fphysicium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0458f3c937f0aa51d8c861fdfebeaced1e06ff14
[INFO] checking Linux0Hat/physicium against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux0Hat%2Fphysicium" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Linux0Hat/physicium
[INFO] finished tweaking git repo https://github.com/Linux0Hat/physicium
[INFO] tweaked toml for git repo https://github.com/Linux0Hat/physicium written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Linux0Hat/physicium on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Linux0Hat/physicium 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88db1b33da443b27db851a948fb16febabe42000ea344144fba7a20d46e67d51
[INFO] running `Command { std: "docker" "start" "-a" "88db1b33da443b27db851a948fb16febabe42000ea344144fba7a20d46e67d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88db1b33da443b27db851a948fb16febabe42000ea344144fba7a20d46e67d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88db1b33da443b27db851a948fb16febabe42000ea344144fba7a20d46e67d51", kill_on_drop: false }`
[INFO] [stdout] 88db1b33da443b27db851a948fb16febabe42000ea344144fba7a20d46e67d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 647ba5875eb899ddf6dc8aaec256d1d54f6ca2a92da90d587a8f9171f3dd7f00
[INFO] running `Command { std: "docker" "start" "-a" "647ba5875eb899ddf6dc8aaec256d1d54f6ca2a92da90d587a8f9171f3dd7f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.100
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.100
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.100
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.100
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.100
[INFO] [stderr]     Checking js-sys v0.3.72
[INFO] [stderr]     Checking serde-wasm-bindgen v0.5.0
[INFO] [stderr]     Checking web-sys v0.3.72
[INFO] [stderr]     Checking physicium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout]     |                     ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout] 127 +             let F = (G * (obj.mass * obj_.mass)) / (d * d) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout]     |                     ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 -             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout] 127 +             let F = (G * (obj.mass * obj_.mass)) / (d * d) ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 if(obj.is_freeze) {
[INFO] [stdout]     |                   ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -                 if(obj.is_freeze) {
[INFO] [stdout] 148 +                 if obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:148:19
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 if(obj.is_freeze) {
[INFO] [stdout]     |                   ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 148 -                 if(obj.is_freeze) {
[INFO] [stdout] 148 +                 if obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 else if(obj_.is_freeze) {
[INFO] [stdout]     |                        ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -                 else if(obj_.is_freeze) {
[INFO] [stdout] 152 +                 else if obj_.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 if (obj.is_freeze) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 if (obj.is_freeze) {
[INFO] [stdout] 171 +                 if obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:152:24
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 else if(obj_.is_freeze) {
[INFO] [stdout]     |                        ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 152 -                 else if(obj_.is_freeze) {
[INFO] [stdout] 152 +                 else if obj_.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 else if (obj_.is_freeze) {
[INFO] [stdout]     |                         ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -                 else if (obj_.is_freeze) {
[INFO] [stdout] 179 +                 else if obj_.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:200:15
[INFO] [stdout]     |
[INFO] [stdout] 200 |             if(!obj.is_freeze) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -             if(!obj.is_freeze) {
[INFO] [stdout] 200 +             if !obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 if (obj.is_freeze) {
[INFO] [stdout]     |                    ^             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 if (obj.is_freeze) {
[INFO] [stdout] 171 +                 if obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |                 else if (obj_.is_freeze) {
[INFO] [stdout]     |                         ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 179 -                 else if (obj_.is_freeze) {
[INFO] [stdout] 179 +                 else if obj_.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:253:15
[INFO] [stdout]     |
[INFO] [stdout] 253 |             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout]     |               ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout] 253 +             if value != 0.  {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:200:15
[INFO] [stdout]     |
[INFO] [stdout] 200 |             if(!obj.is_freeze) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 -             if(!obj.is_freeze) {
[INFO] [stdout] 200 +             if !obj.is_freeze  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:254:15
[INFO] [stdout]     |
[INFO] [stdout] 254 |             if(display_values) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 -             if(display_values) {
[INFO] [stdout] 254 +             if display_values  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:253:15
[INFO] [stdout]     |
[INFO] [stdout] 253 |             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout]     |               ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 253 -             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout] 253 +             if value != 0.  {canvas_arrow(&ctx, pos_x, pos_y, pos_x+obj.velocity_x/scale, pos_y+obj.velocity_y/scale);}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout]     |               ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 267 -             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout] 267 +             if value != 0.  {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:254:15
[INFO] [stdout]     |
[INFO] [stdout] 254 |             if(display_values) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 254 -             if(display_values) {
[INFO] [stdout] 254 +             if display_values  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |             if(display_values) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 -             if(display_values) {
[INFO] [stdout] 268 +             if display_values  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:267:15
[INFO] [stdout]     |
[INFO] [stdout] 267 |             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout]     |               ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 267 -             if(value != 0.) {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout] 267 +             if value != 0.  {canvas_arrow(&ctx, pos_x, pos_y, pos_x+world.gravity_x*5./scale, pos_y+world.gravity_y*5./scale);}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:268:15
[INFO] [stdout]     |
[INFO] [stdout] 268 |             if(display_values) {
[INFO] [stdout]     |               ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 268 -             if(display_values) {
[INFO] [stdout] 268 +             if display_values  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let G = 6.674e-11;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[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 `F` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let G = 6.674e-11;
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `g`
[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 `F` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let F = ((G * (obj.mass * obj_.mass)) / (d * d));
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case (notice the capitalization): `f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 | /             ctx.arc(
[INFO] [stdout] 231 | |                 (obj.pos_x - self.center.0 + self.canvas_width as f64/2.) as f64,
[INFO] [stdout] 232 | |                 (obj.pos_y - self.center.1 + self.canvas_height as f64/2.) as f64,
[INFO] [stdout] 233 | |                 obj.radius as f64,
[INFO] [stdout] 234 | |                 0.,
[INFO] [stdout] 235 | |                 PI * 2.
[INFO] [stdout] 236 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let _ = ctx.arc(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 | /             ctx.arc(
[INFO] [stdout] 231 | |                 (obj.pos_x - self.center.0 + self.canvas_width as f64/2.) as f64,
[INFO] [stdout] 232 | |                 (obj.pos_y - self.center.1 + self.canvas_height as f64/2.) as f64,
[INFO] [stdout] 233 | |                 obj.radius as f64,
[INFO] [stdout] 234 | |                 0.,
[INFO] [stdout] 235 | |                 PI * 2.
[INFO] [stdout] 236 | |             );
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let _ = ctx.arc(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         ctx.fill_text(&format!("View pos X:{:.0} Y:{:.0}", self.center.0, self.center.1),0. ,20.);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let _ = ctx.fill_text(&format!("View pos X:{:.0} Y:{:.0}", self.center.0, self.center.1),0. ,20.);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 242 |         ctx.fill_text(&format!("View pos X:{:.0} Y:{:.0}", self.center.0, self.center.1),0. ,20.);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let _ = ctx.fill_text(&format!("View pos X:{:.0} Y:{:.0}", self.center.0, self.center.1),0. ,20.);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         ctx.fill_text(&format!("1m -> {}px", world.meter_size),0. ,40.);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let _ = ctx.fill_text(&format!("1m -> {}px", world.meter_size),0. ,40.);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 |         ctx.fill_text(&format!("1m -> {}px", world.meter_size),0. ,40.);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 243 |         let _ = ctx.fill_text(&format!("1m -> {}px", world.meter_size),0. ,40.);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 ctx.fill_text(&format!("{:.2}", value) ,pos_x ,pos_y);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 let _ = ctx.fill_text(&format!("{:.2}", value) ,pos_x ,pos_y);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 ctx.fill_text(&format!("{:.2}", value) ,pos_x ,pos_y);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 let _ = ctx.fill_text(&format!("{:.2}", value) ,pos_x ,pos_y);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 ctx.fill_text(&format!("{:.2}", value),pos_x ,pos_y+20.);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 let _ = ctx.fill_text(&format!("{:.2}", value),pos_x ,pos_y+20.);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:271:17
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 ctx.fill_text(&format!("{:.2}", value),pos_x ,pos_y+20.);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 271 |                 let _ = ctx.fill_text(&format!("{:.2}", value),pos_x ,pos_y+20.);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "647ba5875eb899ddf6dc8aaec256d1d54f6ca2a92da90d587a8f9171f3dd7f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "647ba5875eb899ddf6dc8aaec256d1d54f6ca2a92da90d587a8f9171f3dd7f00", kill_on_drop: false }`
[INFO] [stdout] 647ba5875eb899ddf6dc8aaec256d1d54f6ca2a92da90d587a8f9171f3dd7f00
