Dec 19 13:30:25.157 INFO checking loovjo/neat-driver against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:30:25.157 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/loovjo/neat-driver:/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 13:30:25.565 INFO [stdout] d9f34ec943367fe32bf18128d899ee8299547e6dc78fb9e6f2ad1149222a0227
Dec 19 13:30:25.596 INFO running `"docker" "start" "-a" "d9f34ec943367fe32bf18128d899ee8299547e6dc78fb9e6f2ad1149222a0227"`
Dec 19 13:30:27.718 INFO [stderr]    Compiling syn v0.14.9
Dec 19 13:30:27.718 INFO [stderr]    Compiling palette v0.4.1
Dec 19 13:30:27.734 INFO [stderr]     Checking ytesrev v0.2.4
Dec 19 13:30:42.741 INFO [stderr]    Compiling palette_derive v0.4.1
Dec 19 13:30:53.007 INFO [stderr]     Checking NEAT-Pong v0.1.0 (/opt/crater/workdir)
Dec 19 13:30:53.976 INFO [stderr] warning: unused import: `std::mem::replace`
Dec 19 13:30:53.976 INFO [stderr]  --> src/main.rs:5:5
Dec 19 13:30:53.976 INFO [stderr]   |
Dec 19 13:30:53.976 INFO [stderr] 5 | use std::mem::replace;
Dec 19 13:30:53.976 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 13:30:53.976 INFO [stderr]   |
Dec 19 13:30:53.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:30:53.976 INFO [stderr] 
Dec 19 13:30:53.976 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 13:30:53.976 INFO [stderr]  --> src/game.rs:1:5
Dec 19 13:30:53.976 INFO [stderr]   |
Dec 19 13:30:53.976 INFO [stderr] 1 | use std::fs::File;
Dec 19 13:30:53.976 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 13:30:53.976 INFO [stderr] 
Dec 19 13:30:54.004 INFO [stderr] warning: unused import: `std::mem::replace`
Dec 19 13:30:54.004 INFO [stderr]  --> src/main.rs:5:5
Dec 19 13:30:54.004 INFO [stderr]   |
Dec 19 13:30:54.004 INFO [stderr] 5 | use std::mem::replace;
Dec 19 13:30:54.004 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 13:30:54.004 INFO [stderr]   |
Dec 19 13:30:54.004 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:30:54.004 INFO [stderr] 
Dec 19 13:30:54.004 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 13:30:54.004 INFO [stderr]  --> src/game.rs:1:5
Dec 19 13:30:54.004 INFO [stderr]   |
Dec 19 13:30:54.004 INFO [stderr] 1 | use std::fs::File;
Dec 19 13:30:54.004 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 13:30:54.004 INFO [stderr] 
Dec 19 13:30:54.507 INFO [stderr] warning: unreachable pattern
Dec 19 13:30:54.507 INFO [stderr]    --> src/game.rs:101:13
Dec 19 13:30:54.507 INFO [stderr]     |
Dec 19 13:30:54.507 INFO [stderr] 101 |             _ => {}
Dec 19 13:30:54.507 INFO [stderr]     |             ^
Dec 19 13:30:54.507 INFO [stderr]     |
Dec 19 13:30:54.507 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 13:30:54.507 INFO [stderr] 
Dec 19 13:30:54.509 INFO [stderr] warning: unused variable: `sat_shift`
Dec 19 13:30:54.509 INFO [stderr]   --> src/car_textures.rs:42:49
Dec 19 13:30:54.509 INFO [stderr]    |
Dec 19 13:30:54.509 INFO [stderr] 42 | pub fn shift_hue(im: &PngImage, hue_shift: f32, sat_shift: f32) -> PngImage {
Dec 19 13:30:54.509 INFO [stderr]    |                                                 ^^^^^^^^^ help: consider using `_sat_shift` instead
Dec 19 13:30:54.509 INFO [stderr]    |
Dec 19 13:30:54.509 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 13:30:54.509 INFO [stderr] 
Dec 19 13:30:54.509 INFO [stderr] warning: unused variable: `ind`
Dec 19 13:30:54.509 INFO [stderr]    --> src/neat.rs:356:14
Dec 19 13:30:54.509 INFO [stderr]     |
Dec 19 13:30:54.509 INFO [stderr] 356 |         for (ind, idx) in x {
Dec 19 13:30:54.509 INFO [stderr]     |              ^^^ help: consider using `_ind` instead
Dec 19 13:30:54.509 INFO [stderr] 
Dec 19 13:30:54.509 INFO [stderr] warning: unused variable: `sp`
Dec 19 13:30:54.509 INFO [stderr]    --> src/neat.rs:380:13
Dec 19 13:30:54.509 INFO [stderr]     |
Dec 19 13:30:54.509 INFO [stderr] 380 |     for (i, sp) in species.iter().enumerate() {
Dec 19 13:30:54.509 INFO [stderr]     |             ^^ help: consider using `_sp` instead
Dec 19 13:30:54.509 INFO [stderr] 
Dec 19 13:30:54.509 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:54.509 INFO [stderr]    --> src/neat.rs:417:13
Dec 19 13:30:54.509 INFO [stderr]     |
Dec 19 13:30:54.509 INFO [stderr] 417 |         for i in 0..num_offspring {
Dec 19 13:30:54.509 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 19 13:30:54.509 INFO [stderr] 
Dec 19 13:30:54.509 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:54.509 INFO [stderr]   --> src/main.rs:57:13
Dec 19 13:30:54.509 INFO [stderr]    |
Dec 19 13:30:54.509 INFO [stderr] 57 |         for i in 0..POP_SIZE {
Dec 19 13:30:54.509 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 19 13:30:54.510 INFO [stderr] 
Dec 19 13:30:54.511 INFO [stderr] warning: unused variable: `settings`
Dec 19 13:30:54.511 INFO [stderr]    --> src/game.rs:138:70
Dec 19 13:30:54.511 INFO [stderr]     |
Dec 19 13:30:54.511 INFO [stderr] 138 |     fn draw(&self, canvas: &mut Canvas<Window>, position: &Position, settings: DrawSettings) {
Dec 19 13:30:54.511 INFO [stderr]     |                                                                      ^^^^^^^^ help: consider using `_settings` instead
Dec 19 13:30:54.511 INFO [stderr] 
Dec 19 13:30:54.511 INFO [stderr] warning: unused variable: `a`
Dec 19 13:30:54.511 INFO [stderr]   --> src/map.rs:24:21
Dec 19 13:30:54.511 INFO [stderr]    |
Dec 19 13:30:54.511 INFO [stderr] 24 |                 let a = image.data[4 * idx + 3];
Dec 19 13:30:54.511 INFO [stderr]    |                     ^ help: consider using `_a` instead
Dec 19 13:30:54.511 INFO [stderr] 
Dec 19 13:30:54.511 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:54.511 INFO [stderr]    --> src/neat.rs:179:21
Dec 19 13:30:54.511 INFO [stderr]     |
Dec 19 13:30:54.511 INFO [stderr] 179 |         'outer: for i in 0..40 {
Dec 19 13:30:54.511 INFO [stderr]     |                     ^ help: consider using `_i` instead
Dec 19 13:30:54.511 INFO [stderr] 
Dec 19 13:30:54.516 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:54.516 INFO [stderr]    --> src/main.rs:176:13
Dec 19 13:30:54.516 INFO [stderr]     |
Dec 19 13:30:54.516 INFO [stderr] 176 |         for i in 0..self.speed_mult {
Dec 19 13:30:54.516 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 19 13:30:54.516 INFO [stderr] 
Dec 19 13:30:54.588 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:30:54.588 INFO [stderr]    --> src/main.rs:271:13
Dec 19 13:30:54.588 INFO [stderr]     |
Dec 19 13:30:54.588 INFO [stderr] 271 |         let mut file = File::create(SAVE_PATH).unwrap();
Dec 19 13:30:54.588 INFO [stderr]     |             ----^^^^
Dec 19 13:30:54.588 INFO [stderr]     |             |
Dec 19 13:30:54.588 INFO [stderr]     |             help: remove this `mut`
Dec 19 13:30:54.588 INFO [stderr]     |
Dec 19 13:30:54.604 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 13:30:54.604 INFO [stderr] 
Dec 19 13:30:54.785 INFO [stderr] warning: field is never used: `showing`
Dec 19 13:30:54.785 INFO [stderr]    --> src/main.rs:103:5
Dec 19 13:30:54.785 INFO [stderr]     |
Dec 19 13:30:54.785 INFO [stderr] 103 |     showing: Option<Vec<usize>>,
Dec 19 13:30:54.785 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:54.785 INFO [stderr]     |
Dec 19 13:30:54.785 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 13:30:54.785 INFO [stderr] 
Dec 19 13:30:54.789 INFO [stderr] warning: crate `NEAT_Pong` should have a snake case name such as `neat_pong`
Dec 19 13:30:54.789 INFO [stderr]   |
Dec 19 13:30:54.789 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 13:30:54.789 INFO [stderr] 
Dec 19 13:30:54.789 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:54.789 INFO [stderr]    --> src/game.rs:194:9
Dec 19 13:30:54.789 INFO [stderr]     |
Dec 19 13:30:54.789 INFO [stderr] 194 |         texture.update(None, car_texture.data.as_slice(), 4 * car_texture.width);
Dec 19 13:30:54.789 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:54.792 INFO [stderr]     |
Dec 19 13:30:54.792 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 13:30:54.792 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:54.792 INFO [stderr] 
Dec 19 13:30:54.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:54.796 INFO [stderr]    --> src/neat.rs:263:9
Dec 19 13:30:54.796 INFO [stderr]     |
Dec 19 13:30:54.796 INFO [stderr] 263 |         write!(f, "{}", sres);
Dec 19 13:30:54.796 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:54.796 INFO [stderr]     |
Dec 19 13:30:54.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:54.796 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:30:54.796 INFO [stderr] 
Dec 19 13:30:54.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:54.796 INFO [stderr]    --> src/neat.rs:265:9
Dec 19 13:30:54.796 INFO [stderr]     |
Dec 19 13:30:54.796 INFO [stderr] 265 | /         Command::new("dot")
Dec 19 13:30:54.796 INFO [stderr] 266 | |             .arg("-Tsvg")
Dec 19 13:30:54.796 INFO [stderr] 267 | |             .arg(path)
Dec 19 13:30:54.796 INFO [stderr] 268 | |             .arg("-o")
Dec 19 13:30:54.796 INFO [stderr] 269 | |             .arg(format!("/tmp/graphs/{}.svg", name))
Dec 19 13:30:54.796 INFO [stderr] 270 | |             .output();
Dec 19 13:30:54.796 INFO [stderr]     | |______________________^
Dec 19 13:30:54.796 INFO [stderr]     |
Dec 19 13:30:54.796 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:54.796 INFO [stderr] 
Dec 19 13:30:54.996 INFO [stderr] warning: unreachable pattern
Dec 19 13:30:54.996 INFO [stderr]    --> src/game.rs:101:13
Dec 19 13:30:54.996 INFO [stderr]     |
Dec 19 13:30:54.996 INFO [stderr] 101 |             _ => {}
Dec 19 13:30:54.996 INFO [stderr]     |             ^
Dec 19 13:30:54.996 INFO [stderr]     |
Dec 19 13:30:54.996 INFO [stderr]     = note: #[warn(unreachable_patterns)] on by default
Dec 19 13:30:54.996 INFO [stderr] 
Dec 19 13:30:55.000 INFO [stderr] warning: unused variable: `sat_shift`
Dec 19 13:30:55.000 INFO [stderr]   --> src/car_textures.rs:42:49
Dec 19 13:30:55.000 INFO [stderr]    |
Dec 19 13:30:55.000 INFO [stderr] 42 | pub fn shift_hue(im: &PngImage, hue_shift: f32, sat_shift: f32) -> PngImage {
Dec 19 13:30:55.000 INFO [stderr]    |                                                 ^^^^^^^^^ help: consider using `_sat_shift` instead
Dec 19 13:30:55.000 INFO [stderr]    |
Dec 19 13:30:55.000 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 13:30:55.000 INFO [stderr] 
Dec 19 13:30:55.000 INFO [stderr] warning: unused variable: `ind`
Dec 19 13:30:55.000 INFO [stderr]    --> src/neat.rs:356:14
Dec 19 13:30:55.000 INFO [stderr]     |
Dec 19 13:30:55.000 INFO [stderr] 356 |         for (ind, idx) in x {
Dec 19 13:30:55.000 INFO [stderr]     |              ^^^ help: consider using `_ind` instead
Dec 19 13:30:55.000 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `sp`
Dec 19 13:30:55.001 INFO [stderr]    --> src/neat.rs:380:13
Dec 19 13:30:55.001 INFO [stderr]     |
Dec 19 13:30:55.001 INFO [stderr] 380 |     for (i, sp) in species.iter().enumerate() {
Dec 19 13:30:55.001 INFO [stderr]     |             ^^ help: consider using `_sp` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:55.001 INFO [stderr]    --> src/neat.rs:417:13
Dec 19 13:30:55.001 INFO [stderr]     |
Dec 19 13:30:55.001 INFO [stderr] 417 |         for i in 0..num_offspring {
Dec 19 13:30:55.001 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:55.001 INFO [stderr]   --> src/main.rs:57:13
Dec 19 13:30:55.001 INFO [stderr]    |
Dec 19 13:30:55.001 INFO [stderr] 57 |         for i in 0..POP_SIZE {
Dec 19 13:30:55.001 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `settings`
Dec 19 13:30:55.001 INFO [stderr]    --> src/game.rs:138:70
Dec 19 13:30:55.001 INFO [stderr]     |
Dec 19 13:30:55.001 INFO [stderr] 138 |     fn draw(&self, canvas: &mut Canvas<Window>, position: &Position, settings: DrawSettings) {
Dec 19 13:30:55.001 INFO [stderr]     |                                                                      ^^^^^^^^ help: consider using `_settings` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `a`
Dec 19 13:30:55.001 INFO [stderr]   --> src/map.rs:24:21
Dec 19 13:30:55.001 INFO [stderr]    |
Dec 19 13:30:55.001 INFO [stderr] 24 |                 let a = image.data[4 * idx + 3];
Dec 19 13:30:55.001 INFO [stderr]    |                     ^ help: consider using `_a` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:55.001 INFO [stderr]    --> src/neat.rs:179:21
Dec 19 13:30:55.001 INFO [stderr]     |
Dec 19 13:30:55.001 INFO [stderr] 179 |         'outer: for i in 0..40 {
Dec 19 13:30:55.001 INFO [stderr]     |                     ^ help: consider using `_i` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.001 INFO [stderr] warning: unused variable: `i`
Dec 19 13:30:55.001 INFO [stderr]    --> src/main.rs:176:13
Dec 19 13:30:55.001 INFO [stderr]     |
Dec 19 13:30:55.001 INFO [stderr] 176 |         for i in 0..self.speed_mult {
Dec 19 13:30:55.001 INFO [stderr]     |             ^ help: consider using `_i` instead
Dec 19 13:30:55.001 INFO [stderr] 
Dec 19 13:30:55.084 INFO [stderr] warning: variable does not need to be mutable
Dec 19 13:30:55.084 INFO [stderr]    --> src/main.rs:271:13
Dec 19 13:30:55.084 INFO [stderr]     |
Dec 19 13:30:55.084 INFO [stderr] 271 |         let mut file = File::create(SAVE_PATH).unwrap();
Dec 19 13:30:55.084 INFO [stderr]     |             ----^^^^
Dec 19 13:30:55.084 INFO [stderr]     |             |
Dec 19 13:30:55.084 INFO [stderr]     |             help: remove this `mut`
Dec 19 13:30:55.084 INFO [stderr]     |
Dec 19 13:30:55.084 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 13:30:55.084 INFO [stderr] 
Dec 19 13:30:55.276 INFO [stderr] warning: field is never used: `showing`
Dec 19 13:30:55.276 INFO [stderr]    --> src/main.rs:103:5
Dec 19 13:30:55.276 INFO [stderr]     |
Dec 19 13:30:55.276 INFO [stderr] 103 |     showing: Option<Vec<usize>>,
Dec 19 13:30:55.276 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:55.276 INFO [stderr]     |
Dec 19 13:30:55.276 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 13:30:55.276 INFO [stderr] 
Dec 19 13:30:55.276 INFO [stderr] warning: crate `NEAT_Pong` should have a snake case name such as `neat_pong`
Dec 19 13:30:55.276 INFO [stderr]   |
Dec 19 13:30:55.276 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 19 13:30:55.276 INFO [stderr] 
Dec 19 13:30:55.276 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:55.276 INFO [stderr]    --> src/game.rs:194:9
Dec 19 13:30:55.276 INFO [stderr]     |
Dec 19 13:30:55.276 INFO [stderr] 194 |         texture.update(None, car_texture.data.as_slice(), 4 * car_texture.width);
Dec 19 13:30:55.276 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:55.276 INFO [stderr]     |
Dec 19 13:30:55.276 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 13:30:55.276 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:55.276 INFO [stderr] 
Dec 19 13:30:55.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:55.280 INFO [stderr]    --> src/neat.rs:263:9
Dec 19 13:30:55.280 INFO [stderr]     |
Dec 19 13:30:55.280 INFO [stderr] 263 |         write!(f, "{}", sres);
Dec 19 13:30:55.280 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:30:55.280 INFO [stderr]     |
Dec 19 13:30:55.280 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:55.280 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:30:55.280 INFO [stderr] 
Dec 19 13:30:55.280 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:30:55.280 INFO [stderr]    --> src/neat.rs:265:9
Dec 19 13:30:55.280 INFO [stderr]     |
Dec 19 13:30:55.280 INFO [stderr] 265 | /         Command::new("dot")
Dec 19 13:30:55.280 INFO [stderr] 266 | |             .arg("-Tsvg")
Dec 19 13:30:55.280 INFO [stderr] 267 | |             .arg(path)
Dec 19 13:30:55.280 INFO [stderr] 268 | |             .arg("-o")
Dec 19 13:30:55.280 INFO [stderr] 269 | |             .arg(format!("/tmp/graphs/{}.svg", name))
Dec 19 13:30:55.280 INFO [stderr] 270 | |             .output();
Dec 19 13:30:55.280 INFO [stderr]     | |______________________^
Dec 19 13:30:55.280 INFO [stderr]     |
Dec 19 13:30:55.280 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:30:55.280 INFO [stderr] 
Dec 19 13:30:55.320 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.86s
Dec 19 13:30:56.636 INFO running `"docker" "inspect" "d9f34ec943367fe32bf18128d899ee8299547e6dc78fb9e6f2ad1149222a0227"`
Dec 19 13:30:56.936 INFO running `"docker" "rm" "-f" "d9f34ec943367fe32bf18128d899ee8299547e6dc78fb9e6f2ad1149222a0227"`
Dec 19 13:30:57.220 INFO [stdout] d9f34ec943367fe32bf18128d899ee8299547e6dc78fb9e6f2ad1149222a0227