[INFO] updating cached repository andrewgoacher/rust_game_engine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andrewgoacher/rust_game_engine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewgoacher/rust_game_engine" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/andrewgoacher/rust_game_engine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/andrewgoacher/rust_game_engine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewgoacher/rust_game_engine" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/andrewgoacher/rust_game_engine"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/andrewgoacher/rust_game_engine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d06e3eefad2eaeda9c9b4fbb9e8df520ff8773fd
[INFO] sha for GitHub repo andrewgoacher/rust_game_engine: d06e3eefad2eaeda9c9b4fbb9e8df520ff8773fd
[INFO] validating manifest of andrewgoacher/rust_game_engine on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of andrewgoacher/rust_game_engine on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing andrewgoacher/rust_game_engine
[INFO] finished frobbing andrewgoacher/rust_game_engine
[INFO] frobbed toml for andrewgoacher/rust_game_engine written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/andrewgoacher/rust_game_engine/Cargo.toml
[INFO] started frobbing andrewgoacher/rust_game_engine
[INFO] finished frobbing andrewgoacher/rust_game_engine
[INFO] frobbed toml for andrewgoacher/rust_game_engine written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/andrewgoacher/rust_game_engine/Cargo.toml
[INFO] crate andrewgoacher/rust_game_engine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking andrewgoacher/rust_game_engine against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/andrewgoacher/rust_game_engine:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c6bdaff1cd4287baf5b604ad675127ddd6b4ae19f69f354cab5c55b4fb9d3614
[INFO] running `"docker" "start" "-a" "c6bdaff1cd4287baf5b604ad675127ddd6b4ae19f69f354cab5c55b4fb9d3614"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking glium v0.23.0
[INFO] [stderr]     Checking rust_game_engine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
[INFO] [stderr]    --> lib/graphics/mesh.rs:115:56
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let (token, rest) = (parts[0], &parts[1..].connect(" "));
[INFO] [stderr]     |                                                        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::slice::SliceConcatExt::connect': renamed to join
[INFO] [stderr]    --> lib/graphics/mesh.rs:115:56
[INFO] [stderr]     |
[INFO] [stderr] 115 |             let (token, rest) = (parts[0], &parts[1..].connect(" "));
[INFO] [stderr]     |                                                        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         writeln!(f, "Material ({})", self.name);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |         writeln!(f, "\tNs: {}", self.ns);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         writeln!(f, "\tNi: {}", self.ni);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         writeln!(f, "\td: {}", self.d);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |         writeln!(f, "\tTr: {}", self.tr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         writeln!(f, "\tTf: {}", self.tf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         writeln!(f, "\tillum: {}", self.illum);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 |         writeln!(f, "\tKa: {}", self.ka);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         writeln!(f, "\tKd: {}", self.kd);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         writeln!(f, "\tKs: {}", self.ks);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |         writeln!(f, "\tKe: {}", self.ke);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 | /         match self.map_ka.clone() {
[INFO] [stderr] 392 | |             None => Ok(()),
[INFO] [stderr] 393 | |             Some(m) => writeln!(f, "\tmap_ka: {}", m),
[INFO] [stderr] 394 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 | /         match self.map_kd.clone() {
[INFO] [stderr] 397 | |             None => Ok(()),
[INFO] [stderr] 398 | |             Some(m) => writeln!(f, "\tmap_kd: {}", m),
[INFO] [stderr] 399 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 | /         match self.map_ke.clone() {
[INFO] [stderr] 402 | |             None => Ok(()),
[INFO] [stderr] 403 | |             Some(m) => writeln!(f, "\tmap_ke: {}", m),
[INFO] [stderr] 404 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 | /         match self.map_bump.clone() {
[INFO] [stderr] 407 | |             None => Ok(()),
[INFO] [stderr] 408 | |             Some(m) => writeln!(f, "\tmap_bump: {}", m),
[INFO] [stderr] 409 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 | /         match self.map_d.clone() {
[INFO] [stderr] 412 | |             None => Ok(()),
[INFO] [stderr] 413 | |             Some(m) => writeln!(f, "\tmap_d: {}", m),
[INFO] [stderr] 414 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         writeln!(f, "(normal: {})", format_vec3(&self.normal));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         writeln!(f, "Material ({})", self.name);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:380:9
[INFO] [stderr]     |
[INFO] [stderr] 380 |         writeln!(f, "\tNs: {}", self.ns);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         writeln!(f, "\tNi: {}", self.ni);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:382:9
[INFO] [stderr]     |
[INFO] [stderr] 382 |         writeln!(f, "\td: {}", self.d);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:383:9
[INFO] [stderr]     |
[INFO] [stderr] 383 |         writeln!(f, "\tTr: {}", self.tr);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:384:9
[INFO] [stderr]     |
[INFO] [stderr] 384 |         writeln!(f, "\tTf: {}", self.tf);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:385:9
[INFO] [stderr]     |
[INFO] [stderr] 385 |         writeln!(f, "\tillum: {}", self.illum);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:386:9
[INFO] [stderr]     |
[INFO] [stderr] 386 |         writeln!(f, "\tKa: {}", self.ka);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:387:9
[INFO] [stderr]     |
[INFO] [stderr] 387 |         writeln!(f, "\tKd: {}", self.kd);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         writeln!(f, "\tKs: {}", self.ks);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |         writeln!(f, "\tKe: {}", self.ke);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:391:9
[INFO] [stderr]     |
[INFO] [stderr] 391 | /         match self.map_ka.clone() {
[INFO] [stderr] 392 | |             None => Ok(()),
[INFO] [stderr] 393 | |             Some(m) => writeln!(f, "\tmap_ka: {}", m),
[INFO] [stderr] 394 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:396:9
[INFO] [stderr]     |
[INFO] [stderr] 396 | /         match self.map_kd.clone() {
[INFO] [stderr] 397 | |             None => Ok(()),
[INFO] [stderr] 398 | |             Some(m) => writeln!(f, "\tmap_kd: {}", m),
[INFO] [stderr] 399 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 | /         match self.map_ke.clone() {
[INFO] [stderr] 402 | |             None => Ok(()),
[INFO] [stderr] 403 | |             Some(m) => writeln!(f, "\tmap_ke: {}", m),
[INFO] [stderr] 404 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:406:9
[INFO] [stderr]     |
[INFO] [stderr] 406 | /         match self.map_bump.clone() {
[INFO] [stderr] 407 | |             None => Ok(()),
[INFO] [stderr] 408 | |             Some(m) => writeln!(f, "\tmap_bump: {}", m),
[INFO] [stderr] 409 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> lib/graphics/material.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 | /         match self.map_d.clone() {
[INFO] [stderr] 412 | |             None => Ok(()),
[INFO] [stderr] 413 | |             Some(m) => writeln!(f, "\tmap_d: {}", m),
[INFO] [stderr] 414 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         writeln!(f, "(normal: {})", format_vec3(&self.normal));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> lib/graphics/vertex.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         writeln!(f, "(pos: {})", format_vec4(&self.position));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.34s
[INFO] running `"docker" "inspect" "c6bdaff1cd4287baf5b604ad675127ddd6b4ae19f69f354cab5c55b4fb9d3614"`
[INFO] running `"docker" "rm" "-f" "c6bdaff1cd4287baf5b604ad675127ddd6b4ae19f69f354cab5c55b4fb9d3614"`
[INFO] [stdout] c6bdaff1cd4287baf5b604ad675127ddd6b4ae19f69f354cab5c55b4fb9d3614