[INFO] updating cached repository Tomcc/streamingpattern
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tomcc/streamingpattern
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tomcc/streamingpattern" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Tomcc/streamingpattern"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Tomcc/streamingpattern'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tomcc/streamingpattern" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Tomcc/streamingpattern"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Tomcc/streamingpattern'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 95d50c6c1f8f0e7451ad4033b637402c5525b830
[INFO] sha for GitHub repo Tomcc/streamingpattern: 95d50c6c1f8f0e7451ad4033b637402c5525b830
[INFO] validating manifest of Tomcc/streamingpattern on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Tomcc/streamingpattern on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Tomcc/streamingpattern
[INFO] finished frobbing Tomcc/streamingpattern
[INFO] frobbed toml for Tomcc/streamingpattern written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Tomcc/streamingpattern/Cargo.toml
[INFO] started frobbing Tomcc/streamingpattern
[INFO] finished frobbing Tomcc/streamingpattern
[INFO] frobbed toml for Tomcc/streamingpattern written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Tomcc/streamingpattern/Cargo.toml
[INFO] crate Tomcc/streamingpattern already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Tomcc/streamingpattern against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Tomcc/streamingpattern:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b9f836da74bf6bc825d360da98ceed6c35bd4435491a2799e993d6010fca741a
[INFO] running `"docker" "start" "-a" "b9f836da74bf6bc825d360da98ceed6c35bd4435491a2799e993d6010fca741a"`
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking x11-dl v2.12.0
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.27.0
[INFO] [stderr]     Checking image v0.12.1
[INFO] [stderr]     Checking piston v0.27.0
[INFO] [stderr]     Checking piston-gfx_texture v0.20.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.37.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.35.0
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.6
[INFO] [stderr]     Checking wayland-client v0.7.6
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking wayland-window v0.4.3
[INFO] [stderr]     Checking winit v0.5.8
[INFO] [stderr]     Checking glutin v0.7.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston_window v0.61.0
[INFO] [stderr]     Checking streamingpattern v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `graphics::types::Color`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use graphics::types::Color;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/main.rs:79:15
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn draw_state(buffer: &mut RgbaImage) {
[INFO] [stderr]    |               ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]    --> src/main.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let context = GenerationContext::from_path(input, result_w as usize, result_h as usize, N);
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `allowed_patterns`
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     allowed_patterns: Vec<bool>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn from_area(image: &DynamicImage, x: u32, y: u32, N: u8) -> Self {
[INFO] [stderr]    |                                                        ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let N = N as u32;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `sortedPatterns` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     sortedPatterns: Vec<(u16, Pattern)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sorted_patterns`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn from_path<P>(path: P, out_w: usize, out_h: usize, N: u8) -> Self where P:AsRef<Path>{
[INFO] [stderr]    |                                                          ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::types::Color`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use graphics::types::Color;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffer`
[INFO] [stderr]   --> src/main.rs:79:15
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn draw_state(buffer: &mut RgbaImage) {
[INFO] [stderr]    |               ^^^^^^ help: consider prefixing with an underscore: `_buffer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]    --> src/main.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let context = GenerationContext::from_path(input, result_w as usize, result_h as usize, N);
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `allowed_patterns`
[INFO] [stderr]   --> src/main.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     allowed_patterns: Vec<bool>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn from_area(image: &DynamicImage, x: u32, y: u32, N: u8) -> Self {
[INFO] [stderr]    |                                                        ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let N = N as u32;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `sortedPatterns` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     sortedPatterns: Vec<(u16, Pattern)>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sorted_patterns`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/main.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn from_path<P>(path: P, out_w: usize, out_h: usize, N: u8) -> Self where P:AsRef<Path>{
[INFO] [stderr]    |                                                          ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.01s
[INFO] running `"docker" "inspect" "b9f836da74bf6bc825d360da98ceed6c35bd4435491a2799e993d6010fca741a"`
[INFO] running `"docker" "rm" "-f" "b9f836da74bf6bc825d360da98ceed6c35bd4435491a2799e993d6010fca741a"`
[INFO] [stdout] b9f836da74bf6bc825d360da98ceed6c35bd4435491a2799e993d6010fca741a