Dec 19 20:29:40.132 INFO checking andrewjlm/rustrenderer against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:29:40.132 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/andrewjlm/rustrenderer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:29:40.504 INFO [stdout] 558c0f312dc7abf5ecc5c5f3895db6fa5c13b542173dbfa1fd175e91c4874b81
Dec 19 20:29:40.510 INFO running `"docker" "start" "-a" "558c0f312dc7abf5ecc5c5f3895db6fa5c13b542173dbfa1fd175e91c4874b81"`
Dec 19 20:29:42.116 INFO [stderr]     Checking rustrender v0.1.0 (/opt/crater/workdir)
Dec 19 20:29:42.492 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 20:29:42.492 INFO [stderr]    --> src/tga.rs:108:21
Dec 19 20:29:42.492 INFO [stderr]     |
Dec 19 20:29:42.492 INFO [stderr] 108 |     let num_bytes = (height * width * bytes_per_pixel);
Dec 19 20:29:42.492 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 20:29:42.492 INFO [stderr]     |
Dec 19 20:29:42.492 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 20:29:42.492 INFO [stderr] 
Dec 19 20:29:42.520 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 20:29:42.520 INFO [stderr]    --> src/tga.rs:108:21
Dec 19 20:29:42.520 INFO [stderr]     |
Dec 19 20:29:42.520 INFO [stderr] 108 |     let num_bytes = (height * width * bytes_per_pixel);
Dec 19 20:29:42.520 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 20:29:42.520 INFO [stderr]     |
Dec 19 20:29:42.520 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 20:29:42.520 INFO [stderr] 
Dec 19 20:29:42.658 INFO [stderr] warning: unused variable: `color`
Dec 19 20:29:42.658 INFO [stderr]    --> src/geo.rs:269:47
Dec 19 20:29:42.658 INFO [stderr]     |
Dec 19 20:29:42.658 INFO [stderr] 269 |     pub fn draw(&self, mut image: &mut Image, color: Color, texture: &Image) {
Dec 19 20:29:42.658 INFO [stderr]     |                                               ^^^^^ help: consider using `_color` instead
Dec 19 20:29:42.658 INFO [stderr]     |
Dec 19 20:29:42.658 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:29:42.658 INFO [stderr] 
Dec 19 20:29:42.680 INFO [stderr] warning: unused variable: `color`
Dec 19 20:29:42.680 INFO [stderr]    --> src/geo.rs:269:47
Dec 19 20:29:42.680 INFO [stderr]     |
Dec 19 20:29:42.680 INFO [stderr] 269 |     pub fn draw(&self, mut image: &mut Image, color: Color, texture: &Image) {
Dec 19 20:29:42.680 INFO [stderr]     |                                               ^^^^^ help: consider using `_color` instead
Dec 19 20:29:42.680 INFO [stderr]     |
Dec 19 20:29:42.680 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:29:42.680 INFO [stderr] 
Dec 19 20:29:42.701 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:29:42.701 INFO [stderr]    --> src/geo.rs:269:24
Dec 19 20:29:42.701 INFO [stderr]     |
Dec 19 20:29:42.701 INFO [stderr] 269 |     pub fn draw(&self, mut image: &mut Image, color: Color, texture: &Image) {
Dec 19 20:29:42.701 INFO [stderr]     |                        ----^^^^^
Dec 19 20:29:42.701 INFO [stderr]     |                        |
Dec 19 20:29:42.701 INFO [stderr]     |                        help: remove this `mut`
Dec 19 20:29:42.701 INFO [stderr]     |
Dec 19 20:29:42.701 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:29:42.701 INFO [stderr] 
Dec 19 20:29:42.716 INFO [stderr] warning: constant item is never used: `WHITE`
Dec 19 20:29:42.716 INFO [stderr]   --> src/image.rs:15:1
Dec 19 20:29:42.716 INFO [stderr]    |
Dec 19 20:29:42.716 INFO [stderr] 15 | pub const WHITE: Color = Color(255, 255, 255);
Dec 19 20:29:42.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.716 INFO [stderr]    |
Dec 19 20:29:42.716 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:29:42.716 INFO [stderr] 
Dec 19 20:29:42.716 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:29:42.716 INFO [stderr]   --> src/image.rs:16:1
Dec 19 20:29:42.716 INFO [stderr]    |
Dec 19 20:29:42.716 INFO [stderr] 16 | pub const RED: Color = Color(0, 0, 255);
Dec 19 20:29:42.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.716 INFO [stderr] 
Dec 19 20:29:42.716 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:29:42.716 INFO [stderr]   --> src/image.rs:17:1
Dec 19 20:29:42.716 INFO [stderr]    |
Dec 19 20:29:42.716 INFO [stderr] 17 | pub const GREEN: Color = Color(0, 255, 0);
Dec 19 20:29:42.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.716 INFO [stderr] 
Dec 19 20:29:42.716 INFO [stderr] warning: constant item is never used: `BLUE`
Dec 19 20:29:42.716 INFO [stderr]   --> src/image.rs:18:1
Dec 19 20:29:42.716 INFO [stderr]    |
Dec 19 20:29:42.716 INFO [stderr] 18 | pub const BLUE: Color = Color(255, 0, 0);
Dec 19 20:29:42.716 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.716 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: function is never used: `line`
Dec 19 20:29:42.717 INFO [stderr]    --> src/image.rs:121:1
Dec 19 20:29:42.717 INFO [stderr]     |
Dec 19 20:29:42.717 INFO [stderr] 121 | pub fn line(point1: Vec2<i32>, point2: Vec2<i32>, image: &mut Image, color: Color) {
Dec 19 20:29:42.717 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.717 INFO [stderr]   --> src/geo.rs:19:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 19 |     pub fn new(x: T, y: T) -> Self {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `to_f64`
Dec 19 20:29:42.717 INFO [stderr]   --> src/geo.rs:26:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 26 |     pub fn to_f64(self) -> Vec2<f64> {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.717 INFO [stderr]   --> src/geo.rs:89:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 89 |     pub fn new(x: T, y: T, z: T) -> Self {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `to_i32`
Dec 19 20:29:42.717 INFO [stderr]    --> src/geo.rs:126:5
Dec 19 20:29:42.717 INFO [stderr]     |
Dec 19 20:29:42.717 INFO [stderr] 126 |     pub fn to_i32(self) -> Vec3<i32> {
Dec 19 20:29:42.717 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.717 INFO [stderr]    --> src/geo.rs:193:5
Dec 19 20:29:42.717 INFO [stderr]     |
Dec 19 20:29:42.717 INFO [stderr] 193 |     pub fn new(coords: Vec3<f64>) -> Self {
Dec 19 20:29:42.717 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: function is never used: `barycentric`
Dec 19 20:29:42.717 INFO [stderr]    --> src/geo.rs:347:1
Dec 19 20:29:42.717 INFO [stderr]     |
Dec 19 20:29:42.717 INFO [stderr] 347 | pub fn barycentric(t0: &Vec3<i32>, t1: &Vec3<i32>, p: &Vec3<i32>) -> f64 {
Dec 19 20:29:42.717 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `is_color`
Dec 19 20:29:42.717 INFO [stderr]   --> src/tga.rs:34:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 34 |     fn is_color(&self) -> bool {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `is_color_mapped`
Dec 19 20:29:42.717 INFO [stderr]   --> src/tga.rs:44:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 44 |     fn is_color_mapped(&self) -> bool {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.717 INFO [stderr] warning: method is never used: `is_encoded`
Dec 19 20:29:42.717 INFO [stderr]   --> src/tga.rs:52:5
Dec 19 20:29:42.717 INFO [stderr]    |
Dec 19 20:29:42.717 INFO [stderr] 52 |     fn is_encoded(&self) -> bool {
Dec 19 20:29:42.717 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.717 INFO [stderr] 
Dec 19 20:29:42.724 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:29:42.724 INFO [stderr]    --> src/geo.rs:269:24
Dec 19 20:29:42.724 INFO [stderr]     |
Dec 19 20:29:42.724 INFO [stderr] 269 |     pub fn draw(&self, mut image: &mut Image, color: Color, texture: &Image) {
Dec 19 20:29:42.724 INFO [stderr]     |                        ----^^^^^
Dec 19 20:29:42.724 INFO [stderr]     |                        |
Dec 19 20:29:42.724 INFO [stderr]     |                        help: remove this `mut`
Dec 19 20:29:42.724 INFO [stderr]     |
Dec 19 20:29:42.724 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:29:42.724 INFO [stderr] 
Dec 19 20:29:42.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:29:42.724 INFO [stderr]   --> src/main.rs:21:5
Dec 19 20:29:42.724 INFO [stderr]    |
Dec 19 20:29:42.724 INFO [stderr] 21 |     image.write_tga_file("output.tga");
Dec 19 20:29:42.724 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.724 INFO [stderr]    |
Dec 19 20:29:42.724 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:29:42.724 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:29:42.724 INFO [stderr] 
Dec 19 20:29:42.736 INFO [stderr] warning: constant item is never used: `WHITE`
Dec 19 20:29:42.736 INFO [stderr]   --> src/image.rs:15:1
Dec 19 20:29:42.736 INFO [stderr]    |
Dec 19 20:29:42.736 INFO [stderr] 15 | pub const WHITE: Color = Color(255, 255, 255);
Dec 19 20:29:42.736 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.736 INFO [stderr]    |
Dec 19 20:29:42.736 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 20:29:42.736 INFO [stderr] 
Dec 19 20:29:42.736 INFO [stderr] warning: constant item is never used: `RED`
Dec 19 20:29:42.736 INFO [stderr]   --> src/image.rs:16:1
Dec 19 20:29:42.736 INFO [stderr]    |
Dec 19 20:29:42.736 INFO [stderr] 16 | pub const RED: Color = Color(0, 0, 255);
Dec 19 20:29:42.736 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.736 INFO [stderr] 
Dec 19 20:29:42.736 INFO [stderr] warning: constant item is never used: `GREEN`
Dec 19 20:29:42.736 INFO [stderr]   --> src/image.rs:17:1
Dec 19 20:29:42.736 INFO [stderr]    |
Dec 19 20:29:42.736 INFO [stderr] 17 | pub const GREEN: Color = Color(0, 255, 0);
Dec 19 20:29:42.736 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: constant item is never used: `BLUE`
Dec 19 20:29:42.737 INFO [stderr]   --> src/image.rs:18:1
Dec 19 20:29:42.737 INFO [stderr]    |
Dec 19 20:29:42.737 INFO [stderr] 18 | pub const BLUE: Color = Color(255, 0, 0);
Dec 19 20:29:42.737 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: function is never used: `line`
Dec 19 20:29:42.737 INFO [stderr]    --> src/image.rs:121:1
Dec 19 20:29:42.737 INFO [stderr]     |
Dec 19 20:29:42.737 INFO [stderr] 121 | pub fn line(point1: Vec2<i32>, point2: Vec2<i32>, image: &mut Image, color: Color) {
Dec 19 20:29:42.737 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.737 INFO [stderr]   --> src/geo.rs:19:5
Dec 19 20:29:42.737 INFO [stderr]    |
Dec 19 20:29:42.737 INFO [stderr] 19 |     pub fn new(x: T, y: T) -> Self {
Dec 19 20:29:42.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: method is never used: `to_f64`
Dec 19 20:29:42.737 INFO [stderr]   --> src/geo.rs:26:5
Dec 19 20:29:42.737 INFO [stderr]    |
Dec 19 20:29:42.737 INFO [stderr] 26 |     pub fn to_f64(self) -> Vec2<f64> {
Dec 19 20:29:42.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.737 INFO [stderr]   --> src/geo.rs:89:5
Dec 19 20:29:42.737 INFO [stderr]    |
Dec 19 20:29:42.737 INFO [stderr] 89 |     pub fn new(x: T, y: T, z: T) -> Self {
Dec 19 20:29:42.737 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: method is never used: `to_i32`
Dec 19 20:29:42.737 INFO [stderr]    --> src/geo.rs:126:5
Dec 19 20:29:42.737 INFO [stderr]     |
Dec 19 20:29:42.737 INFO [stderr] 126 |     pub fn to_i32(self) -> Vec3<i32> {
Dec 19 20:29:42.737 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.737 INFO [stderr] warning: method is never used: `new`
Dec 19 20:29:42.737 INFO [stderr]    --> src/geo.rs:193:5
Dec 19 20:29:42.737 INFO [stderr]     |
Dec 19 20:29:42.737 INFO [stderr] 193 |     pub fn new(coords: Vec3<f64>) -> Self {
Dec 19 20:29:42.737 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.737 INFO [stderr] 
Dec 19 20:29:42.738 INFO [stderr] warning: function is never used: `barycentric`
Dec 19 20:29:42.738 INFO [stderr]    --> src/geo.rs:347:1
Dec 19 20:29:42.738 INFO [stderr]     |
Dec 19 20:29:42.738 INFO [stderr] 347 | pub fn barycentric(t0: &Vec3<i32>, t1: &Vec3<i32>, p: &Vec3<i32>) -> f64 {
Dec 19 20:29:42.738 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.738 INFO [stderr] 
Dec 19 20:29:42.738 INFO [stderr] warning: method is never used: `is_color`
Dec 19 20:29:42.738 INFO [stderr]   --> src/tga.rs:34:5
Dec 19 20:29:42.738 INFO [stderr]    |
Dec 19 20:29:42.738 INFO [stderr] 34 |     fn is_color(&self) -> bool {
Dec 19 20:29:42.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.738 INFO [stderr] 
Dec 19 20:29:42.738 INFO [stderr] warning: method is never used: `is_color_mapped`
Dec 19 20:29:42.738 INFO [stderr]   --> src/tga.rs:44:5
Dec 19 20:29:42.738 INFO [stderr]    |
Dec 19 20:29:42.738 INFO [stderr] 44 |     fn is_color_mapped(&self) -> bool {
Dec 19 20:29:42.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.738 INFO [stderr] 
Dec 19 20:29:42.738 INFO [stderr] warning: method is never used: `is_encoded`
Dec 19 20:29:42.738 INFO [stderr]   --> src/tga.rs:52:5
Dec 19 20:29:42.738 INFO [stderr]    |
Dec 19 20:29:42.738 INFO [stderr] 52 |     fn is_encoded(&self) -> bool {
Dec 19 20:29:42.738 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.738 INFO [stderr] 
Dec 19 20:29:42.746 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:29:42.746 INFO [stderr]   --> src/main.rs:21:5
Dec 19 20:29:42.746 INFO [stderr]    |
Dec 19 20:29:42.746 INFO [stderr] 21 |     image.write_tga_file("output.tga");
Dec 19 20:29:42.746 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:29:42.746 INFO [stderr]    |
Dec 19 20:29:42.746 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 20:29:42.746 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:29:42.746 INFO [stderr] 
Dec 19 20:29:42.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 20:29:43.118 INFO running `"docker" "inspect" "558c0f312dc7abf5ecc5c5f3895db6fa5c13b542173dbfa1fd175e91c4874b81"`
Dec 19 20:29:43.323 INFO running `"docker" "rm" "-f" "558c0f312dc7abf5ecc5c5f3895db6fa5c13b542173dbfa1fd175e91c4874b81"`
Dec 19 20:29:43.551 INFO [stdout] 558c0f312dc7abf5ecc5c5f3895db6fa5c13b542173dbfa1fd175e91c4874b81