Dec 04 18:16:06.024 INFO checking genya0407/png_print against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 18:16:06.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 18:16:06.454 INFO [stdout] 3b1d4a734c0ac3963e391637621d1ebb982f91bf74ea39c5e974b80e82e837d4
Dec 04 18:16:06.456 INFO running `"docker" "start" "-a" "3b1d4a734c0ac3963e391637621d1ebb982f91bf74ea39c5e974b80e82e837d4"`
Dec 04 18:16:08.580 INFO [stderr] usermod: no changes
Dec 04 18:16:08.651 INFO [stderr]     Checking png_encoder v0.1.0 (/source)
Dec 04 18:16:09.595 INFO [stderr] warning: unused variable: `scanline`
Dec 04 18:16:09.595 INFO [stderr]   --> src/model.rs:98:25
Dec 04 18:16:09.595 INFO [stderr]    |
Dec 04 18:16:09.595 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 04 18:16:09.595 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 04 18:16:09.595 INFO [stderr]    |
Dec 04 18:16:09.595 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:16:09.595 INFO [stderr] 
Dec 04 18:16:09.599 INFO [stderr] warning: unused variable: `scanline`
Dec 04 18:16:09.599 INFO [stderr]   --> src/model.rs:98:25
Dec 04 18:16:09.599 INFO [stderr]    |
Dec 04 18:16:09.599 INFO [stderr] 98 |                     let scanline: Vec<Color> = match filter_method {
Dec 04 18:16:09.599 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_scanline` instead
Dec 04 18:16:09.599 INFO [stderr]    |
Dec 04 18:16:09.599 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 18:16:09.599 INFO [stderr] 
Dec 04 18:16:09.666 INFO [stderr] warning: method is never used: `width`
Dec 04 18:16:09.666 INFO [stderr]   --> src/model.rs:66:5
Dec 04 18:16:09.666 INFO [stderr]    |
Dec 04 18:16:09.667 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 04 18:16:09.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.668 INFO [stderr]    |
Dec 04 18:16:09.668 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 18:16:09.668 INFO [stderr] 
Dec 04 18:16:09.669 INFO [stderr] warning: field is never used: `compression_method`
Dec 04 18:16:09.669 INFO [stderr]    --> src/model.rs:222:5
Dec 04 18:16:09.670 INFO [stderr]     |
Dec 04 18:16:09.670 INFO [stderr] 222 |     compression_method: u8,
Dec 04 18:16:09.670 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.671 INFO [stderr] 
Dec 04 18:16:09.671 INFO [stderr] warning: field is never used: `additional_flags`
Dec 04 18:16:09.671 INFO [stderr]    --> src/model.rs:223:5
Dec 04 18:16:09.672 INFO [stderr]     |
Dec 04 18:16:09.672 INFO [stderr] 223 |     additional_flags: u8,
Dec 04 18:16:09.673 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.673 INFO [stderr] 
Dec 04 18:16:09.673 INFO [stderr] warning: field is never used: `check_value`
Dec 04 18:16:09.674 INFO [stderr]    --> src/model.rs:225:5
Dec 04 18:16:09.674 INFO [stderr]     |
Dec 04 18:16:09.674 INFO [stderr] 225 |     check_value: u32,
Dec 04 18:16:09.675 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 04 18:16:09.675 INFO [stderr] 
Dec 04 18:16:09.699 INFO [stderr] warning: method is never used: `width`
Dec 04 18:16:09.699 INFO [stderr]   --> src/model.rs:66:5
Dec 04 18:16:09.699 INFO [stderr]    |
Dec 04 18:16:09.699 INFO [stderr] 66 |     pub fn width(&self) -> usize {
Dec 04 18:16:09.699 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.699 INFO [stderr]    |
Dec 04 18:16:09.699 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 18:16:09.699 INFO [stderr] 
Dec 04 18:16:09.700 INFO [stderr] warning: field is never used: `compression_method`
Dec 04 18:16:09.700 INFO [stderr]    --> src/model.rs:222:5
Dec 04 18:16:09.700 INFO [stderr]     |
Dec 04 18:16:09.700 INFO [stderr] 222 |     compression_method: u8,
Dec 04 18:16:09.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.700 INFO [stderr] 
Dec 04 18:16:09.700 INFO [stderr] warning: field is never used: `additional_flags`
Dec 04 18:16:09.700 INFO [stderr]    --> src/model.rs:223:5
Dec 04 18:16:09.700 INFO [stderr]     |
Dec 04 18:16:09.700 INFO [stderr] 223 |     additional_flags: u8,
Dec 04 18:16:09.700 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 04 18:16:09.700 INFO [stderr] 
Dec 04 18:16:09.700 INFO [stderr] warning: field is never used: `check_value`
Dec 04 18:16:09.700 INFO [stderr]    --> src/model.rs:225:5
Dec 04 18:16:09.700 INFO [stderr]     |
Dec 04 18:16:09.701 INFO [stderr] 225 |     check_value: u32,
Dec 04 18:16:09.701 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Dec 04 18:16:09.701 INFO [stderr] 
Dec 04 18:16:09.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 04 18:16:09.751 INFO [stderr] su: No module specific data is present
Dec 04 18:16:11.141 INFO running `"docker" "inspect" "3b1d4a734c0ac3963e391637621d1ebb982f91bf74ea39c5e974b80e82e837d4"`
Dec 04 18:16:11.567 INFO running `"docker" "rm" "-f" "3b1d4a734c0ac3963e391637621d1ebb982f91bf74ea39c5e974b80e82e837d4"`
Dec 04 18:16:11.915 INFO [stdout] 3b1d4a734c0ac3963e391637621d1ebb982f91bf74ea39c5e974b80e82e837d4