[INFO] cloning repository h3nnn4n/Creative-coding.rs
[INFO] running `"git" "clone" "--bare" "git://github.com/h3nnn4n/Creative-coding.rs.git" "work/cache/sources/gh/h3nnn4n/Creative-coding.rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/h3nnn4n/Creative-coding.rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/Creative-coding.rs" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/h3nnn4n/Creative-coding.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/h3nnn4n/Creative-coding.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/h3nnn4n/Creative-coding.rs" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/h3nnn4n/Creative-coding.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/h3nnn4n/Creative-coding.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81daa19a5a19c0568c7d2756b425f9259e00ec48
[INFO] sha for GitHub repo h3nnn4n/Creative-coding.rs: 81daa19a5a19c0568c7d2756b425f9259e00ec48
[INFO] validating manifest of h3nnn4n/Creative-coding.rs on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of h3nnn4n/Creative-coding.rs on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing h3nnn4n/Creative-coding.rs
[INFO] finished frobbing h3nnn4n/Creative-coding.rs
[INFO] frobbed toml for h3nnn4n/Creative-coding.rs written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/h3nnn4n/Creative-coding.rs/Cargo.toml
[INFO] started frobbing h3nnn4n/Creative-coding.rs
[INFO] finished frobbing h3nnn4n/Creative-coding.rs
[INFO] frobbed toml for h3nnn4n/Creative-coding.rs written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/h3nnn4n/Creative-coding.rs/Cargo.toml
[INFO] crate h3nnn4n/Creative-coding.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coord v0.11.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking h3nnn4n/Creative-coding.rs against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/h3nnn4n/Creative-coding.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f87f9bf20936695bdedf2e339d774bd97c84425716dec8974ff334f91e663e49
[INFO] running `"docker" "start" "-a" "f87f9bf20936695bdedf2e339d774bd97c84425716dec8974ff334f91e663e49"`
[INFO] [stderr]    Compiling cairo-rs v0.6.0
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.8.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking random_color v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking glib v0.7.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking coord v0.11.0
[INFO] [stderr]     Checking creative_coding_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Color`, `Luminosity`, `RandomColor`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use random_color::{Color, Luminosity, RandomColor};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rgb_array_to_tuple`
[INFO] [stderr]  --> src/color_manager.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rgb_array_to_tuple(color_vector: [u32; 3]) -> (f32, f32, f32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill`
[INFO] [stderr]   --> src/context_manager.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn fill(&mut self) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `paint`
[INFO] [stderr]   --> src/context_manager.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn paint(&mut self) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_filename`
[INFO] [stderr]    --> src/context_manager.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_filename(&mut self, filename: String) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Color`, `Luminosity`, `RandomColor`
[INFO] [stderr]  --> src/main.rs:6:20
[INFO] [stderr]   |
[INFO] [stderr] 6 | use random_color::{Color, Luminosity, RandomColor};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rgb_array_to_tuple`
[INFO] [stderr]  --> src/color_manager.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rgb_array_to_tuple(color_vector: [u32; 3]) -> (f32, f32, f32) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fill`
[INFO] [stderr]   --> src/context_manager.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn fill(&mut self) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `paint`
[INFO] [stderr]   --> src/context_manager.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn paint(&mut self) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_filename`
[INFO] [stderr]    --> src/context_manager.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_filename(&mut self, filename: String) -> &mut Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.95s
[INFO] running `"docker" "inspect" "f87f9bf20936695bdedf2e339d774bd97c84425716dec8974ff334f91e663e49"`
[INFO] running `"docker" "rm" "-f" "f87f9bf20936695bdedf2e339d774bd97c84425716dec8974ff334f91e663e49"`
[INFO] [stdout] f87f9bf20936695bdedf2e339d774bd97c84425716dec8974ff334f91e663e49