Dec 11 18:05:24.044 INFO checking genya0407/png_print against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 18:05:24.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 18:05:24.447 INFO [stdout] 8812805273e47280788de2640bd5f664af628dc711aff52b6d68c117a7bba413
Dec 11 18:05:24.449 INFO running `"docker" "start" "-a" "8812805273e47280788de2640bd5f664af628dc711aff52b6d68c117a7bba413"`
Dec 11 18:05:26.155 INFO [stderr] usermod: no changes
Dec 11 18:05:26.260 INFO [stderr]     Checking png_encoder v0.1.0 (/source)
Dec 11 18:05:27.144 INFO [stderr] warning: unused variable: `scanline`
Dec 11 18:05:27.145 INFO [stderr]   --> src/model.rs:98:25
Dec 11 18:05:27.145 INFO [stderr]    |
Dec 11 18:05:27.145 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 11 18:05:27.145 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 11 18:05:27.145 INFO [stderr]    |
Dec 11 18:05:27.145 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 18:05:27.145 INFO [stderr] 
Dec 11 18:05:27.192 INFO [stderr] warning: method is never used: `width`
Dec 11 18:05:27.192 INFO [stderr]   --> src/model.rs:66:5
Dec 11 18:05:27.192 INFO [stderr]    |
Dec 11 18:05:27.192 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 11 18:05:27.192 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.192 INFO [stderr]    |
Dec 11 18:05:27.192 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 18:05:27.192 INFO [stderr] 
Dec 11 18:05:27.192 INFO [stderr] warning: field is never used: `compression_method`
Dec 11 18:05:27.192 INFO [stderr]    --> src/model.rs:222:5
Dec 11 18:05:27.192 INFO [stderr]     |
Dec 11 18:05:27.192 INFO [stderr] 222 |     compression_method: u8,
Dec 11 18:05:27.192 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.192 INFO [stderr] 
Dec 11 18:05:27.192 INFO [stderr] warning: field is never used: `additional_flags`
Dec 11 18:05:27.192 INFO [stderr]    --> src/model.rs:223:5
Dec 11 18:05:27.192 INFO [stderr]     |
Dec 11 18:05:27.192 INFO [stderr] 223 |     additional_flags: u8,
Dec 11 18:05:27.192 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.192 INFO [stderr] 
Dec 11 18:05:27.192 INFO [stderr] warning: field is never used: `check_value`
Dec 11 18:05:27.192 INFO [stderr]    --> src/model.rs:225:5
Dec 11 18:05:27.192 INFO [stderr]     |
Dec 11 18:05:27.192 INFO [stderr] 225 |     check_value: u32,
Dec 11 18:05:27.192 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 18:05:27.192 INFO [stderr] 
Dec 11 18:05:27.264 INFO [stderr] warning: unused variable: `scanline`
Dec 11 18:05:27.264 INFO [stderr]   --> src/model.rs:98:25
Dec 11 18:05:27.264 INFO [stderr]    |
Dec 11 18:05:27.264 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 11 18:05:27.264 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 11 18:05:27.264 INFO [stderr]    |
Dec 11 18:05:27.268 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 18:05:27.268 INFO [stderr] 
Dec 11 18:05:27.310 INFO [stderr] warning: method is never used: `width`
Dec 11 18:05:27.310 INFO [stderr]   --> src/model.rs:66:5
Dec 11 18:05:27.310 INFO [stderr]    |
Dec 11 18:05:27.310 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 11 18:05:27.310 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.310 INFO [stderr]    |
Dec 11 18:05:27.310 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 18:05:27.311 INFO [stderr] 
Dec 11 18:05:27.311 INFO [stderr] warning: field is never used: `compression_method`
Dec 11 18:05:27.311 INFO [stderr]    --> src/model.rs:222:5
Dec 11 18:05:27.311 INFO [stderr]     |
Dec 11 18:05:27.311 INFO [stderr] 222 |     compression_method: u8,
Dec 11 18:05:27.311 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.311 INFO [stderr] 
Dec 11 18:05:27.311 INFO [stderr] warning: field is never used: `additional_flags`
Dec 11 18:05:27.311 INFO [stderr]    --> src/model.rs:223:5
Dec 11 18:05:27.311 INFO [stderr]     |
Dec 11 18:05:27.311 INFO [stderr] 223 |     additional_flags: u8,
Dec 11 18:05:27.311 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 18:05:27.311 INFO [stderr] 
Dec 11 18:05:27.311 INFO [stderr] warning: field is never used: `check_value`
Dec 11 18:05:27.311 INFO [stderr]    --> src/model.rs:225:5
Dec 11 18:05:27.311 INFO [stderr]     |
Dec 11 18:05:27.311 INFO [stderr] 225 |     check_value: u32,
Dec 11 18:05:27.311 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 11 18:05:27.311 INFO [stderr] 
Dec 11 18:05:27.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 11 18:05:27.396 INFO [stderr] su: No module specific data is present
Dec 11 18:05:28.371 INFO running `"docker" "inspect" "8812805273e47280788de2640bd5f664af628dc711aff52b6d68c117a7bba413"`
Dec 11 18:05:28.646 INFO running `"docker" "rm" "-f" "8812805273e47280788de2640bd5f664af628dc711aff52b6d68c117a7bba413"`
Dec 11 18:05:28.860 INFO [stdout] 8812805273e47280788de2640bd5f664af628dc711aff52b6d68c117a7bba413