Dec 17 23:52:28.165 INFO checking genya0407/png_print against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:52:28.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/genya0407/png_print:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:52:28.732 INFO [stdout] ee3eaadf56c2492d9934774e5ce44bd0c51321076a4e00b5e068c591a2d9b512
Dec 17 23:52:28.738 INFO running `"docker" "start" "-a" "ee3eaadf56c2492d9934774e5ce44bd0c51321076a4e00b5e068c591a2d9b512"`
Dec 17 23:52:30.176 INFO [stderr]     Checking png_encoder v0.1.0 (/opt/crater/workdir)
Dec 17 23:52:30.720 INFO [stderr] warning: unused variable: `scanline`
Dec 17 23:52:30.720 INFO [stderr]   --> src/model.rs:98:25
Dec 17 23:52:30.720 INFO [stderr]    |
Dec 17 23:52:30.720 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 17 23:52:30.720 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 17 23:52:30.720 INFO [stderr]    |
Dec 17 23:52:30.720 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:52:30.720 INFO [stderr] 
Dec 17 23:52:30.752 INFO [stderr] warning: unused variable: `scanline`
Dec 17 23:52:30.752 INFO [stderr]   --> src/model.rs:98:25
Dec 17 23:52:30.752 INFO [stderr]    |
Dec 17 23:52:30.752 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 17 23:52:30.752 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 17 23:52:30.752 INFO [stderr]    |
Dec 17 23:52:30.752 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:52:30.752 INFO [stderr] 
Dec 17 23:52:30.800 INFO [stderr] warning: method is never used: `width`
Dec 17 23:52:30.800 INFO [stderr]   --> src/model.rs:66:5
Dec 17 23:52:30.800 INFO [stderr]    |
Dec 17 23:52:30.800 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 17 23:52:30.800 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.800 INFO [stderr]    |
Dec 17 23:52:30.800 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:52:30.800 INFO [stderr] 
Dec 17 23:52:30.800 INFO [stderr] warning: field is never used: `compression_method`
Dec 17 23:52:30.800 INFO [stderr]    --> src/model.rs:222:5
Dec 17 23:52:30.800 INFO [stderr]     |
Dec 17 23:52:30.800 INFO [stderr] 222 |     compression_method: u8,
Dec 17 23:52:30.800 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: field is never used: `additional_flags`
Dec 17 23:52:30.812 INFO [stderr]    --> src/model.rs:223:5
Dec 17 23:52:30.812 INFO [stderr]     |
Dec 17 23:52:30.812 INFO [stderr] 223 |     additional_flags: u8,
Dec 17 23:52:30.812 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: field is never used: `check_value`
Dec 17 23:52:30.812 INFO [stderr]    --> src/model.rs:225:5
Dec 17 23:52:30.812 INFO [stderr]     |
Dec 17 23:52:30.812 INFO [stderr] 225 |     check_value: u32,
Dec 17 23:52:30.812 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: method is never used: `width`
Dec 17 23:52:30.812 INFO [stderr]   --> src/model.rs:66:5
Dec 17 23:52:30.812 INFO [stderr]    |
Dec 17 23:52:30.812 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 17 23:52:30.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr]    |
Dec 17 23:52:30.812 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: field is never used: `compression_method`
Dec 17 23:52:30.812 INFO [stderr]    --> src/model.rs:222:5
Dec 17 23:52:30.812 INFO [stderr]     |
Dec 17 23:52:30.812 INFO [stderr] 222 |     compression_method: u8,
Dec 17 23:52:30.812 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: field is never used: `additional_flags`
Dec 17 23:52:30.812 INFO [stderr]    --> src/model.rs:223:5
Dec 17 23:52:30.812 INFO [stderr]     |
Dec 17 23:52:30.812 INFO [stderr] 223 |     additional_flags: u8,
Dec 17 23:52:30.812 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.812 INFO [stderr] warning: field is never used: `check_value`
Dec 17 23:52:30.812 INFO [stderr]    --> src/model.rs:225:5
Dec 17 23:52:30.812 INFO [stderr]     |
Dec 17 23:52:30.812 INFO [stderr] 225 |     check_value: u32,
Dec 17 23:52:30.812 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 17 23:52:30.812 INFO [stderr] 
Dec 17 23:52:30.860 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 17 23:52:31.684 INFO running `"docker" "inspect" "ee3eaadf56c2492d9934774e5ce44bd0c51321076a4e00b5e068c591a2d9b512"`
Dec 17 23:52:31.980 INFO running `"docker" "rm" "-f" "ee3eaadf56c2492d9934774e5ce44bd0c51321076a4e00b5e068c591a2d9b512"`
Dec 17 23:52:32.274 INFO [stdout] ee3eaadf56c2492d9934774e5ce44bd0c51321076a4e00b5e068c591a2d9b512