Dec 19 10:23:00.682 INFO checking raytung/pixels against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 10:23:00.682 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/raytung/pixels:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:23:01.151 INFO [stdout] 1af51e44e407da53a43617b02b14a38dd0264a09d4894b53efabb36f1ccb13a9
Dec 19 10:23:01.157 INFO running `"docker" "start" "-a" "1af51e44e407da53a43617b02b14a38dd0264a09d4894b53efabb36f1ccb13a9"`
Dec 19 10:23:02.659 INFO [stderr]     Checking pixels v0.1.0 (/opt/crater/workdir)
Dec 19 10:23:02.912 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 19 10:23:02.912 INFO [stderr]  --> src/lib.rs:2:21
Dec 19 10:23:02.912 INFO [stderr]   |
Dec 19 10:23:02.912 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 19 10:23:02.912 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 19 10:23:02.912 INFO [stderr]   |
Dec 19 10:23:02.912 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:23:02.912 INFO [stderr] 
Dec 19 10:23:02.912 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 10:23:02.912 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 19 10:23:02.912 INFO [stderr]   |
Dec 19 10:23:02.912 INFO [stderr] 4 | use std::collections::HashMap;
Dec 19 10:23:02.912 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:23:02.912 INFO [stderr] 
Dec 19 10:23:02.920 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 19 10:23:02.920 INFO [stderr]  --> src/lib.rs:2:21
Dec 19 10:23:02.920 INFO [stderr]   |
Dec 19 10:23:02.920 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 19 10:23:02.920 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 19 10:23:02.920 INFO [stderr]   |
Dec 19 10:23:02.920 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:23:02.920 INFO [stderr] 
Dec 19 10:23:02.920 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 10:23:02.920 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 19 10:23:02.920 INFO [stderr]   |
Dec 19 10:23:02.920 INFO [stderr] 4 | use std::collections::HashMap;
Dec 19 10:23:02.920 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:23:02.920 INFO [stderr] 
Dec 19 10:23:02.953 INFO [stderr] warning: unused variable: `buf`
Dec 19 10:23:02.957 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 19 10:23:02.957 INFO [stderr]     |
Dec 19 10:23:02.957 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 19 10:23:02.957 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 19 10:23:02.957 INFO [stderr]     |
Dec 19 10:23:02.957 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: unused variable: `pos`
Dec 19 10:23:02.957 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 19 10:23:02.957 INFO [stderr]     |
Dec 19 10:23:02.957 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 19 10:23:02.957 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: enum is never used: `Markers`
Dec 19 10:23:02.957 INFO [stderr]  --> src/jpeg.rs:7:1
Dec 19 10:23:02.957 INFO [stderr]   |
Dec 19 10:23:02.957 INFO [stderr] 7 | enum Markers {
Dec 19 10:23:02.957 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 10:23:02.957 INFO [stderr]   |
Dec 19 10:23:02.957 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: variant is never constructed: `INVALID`
Dec 19 10:23:02.957 INFO [stderr]   --> src/jpeg.rs:26:5
Dec 19 10:23:02.957 INFO [stderr]    |
Dec 19 10:23:02.957 INFO [stderr] 26 |     INVALID
Dec 19 10:23:02.957 INFO [stderr]    |     ^^^^^^^
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: type alias is never used: `MarkerBytes`
Dec 19 10:23:02.957 INFO [stderr]   --> src/jpeg.rs:29:1
Dec 19 10:23:02.957 INFO [stderr]    |
Dec 19 10:23:02.957 INFO [stderr] 29 | type MarkerBytes = (u8, u8);
Dec 19 10:23:02.957 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: method is never used: `to_bytes`
Dec 19 10:23:02.957 INFO [stderr]   --> src/jpeg.rs:32:5
Dec 19 10:23:02.957 INFO [stderr]    |
Dec 19 10:23:02.957 INFO [stderr] 32 |     fn to_bytes(&self) -> Result<MarkerBytes, MarkersResult> {
Dec 19 10:23:02.957 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.957 INFO [stderr] warning: field is never used: `file`
Dec 19 10:23:02.957 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 19 10:23:02.957 INFO [stderr]     |
Dec 19 10:23:02.957 INFO [stderr] 112 |     file: File,
Dec 19 10:23:02.957 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 10:23:02.957 INFO [stderr] 
Dec 19 10:23:02.988 INFO [stderr] warning: unused variable: `buf`
Dec 19 10:23:02.988 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 19 10:23:02.988 INFO [stderr]     |
Dec 19 10:23:02.988 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 19 10:23:02.988 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 19 10:23:02.988 INFO [stderr]     |
Dec 19 10:23:02.988 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 10:23:02.988 INFO [stderr] 
Dec 19 10:23:02.988 INFO [stderr] warning: unused variable: `pos`
Dec 19 10:23:02.988 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 19 10:23:02.988 INFO [stderr]     |
Dec 19 10:23:02.988 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 19 10:23:02.988 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 19 10:23:02.988 INFO [stderr] 
Dec 19 10:23:03.008 INFO [stderr] warning: variant is never constructed: `SOI`
Dec 19 10:23:03.009 INFO [stderr]  --> src/jpeg.rs:8:5
Dec 19 10:23:03.009 INFO [stderr]   |
Dec 19 10:23:03.009 INFO [stderr] 8 |     SOI,
Dec 19 10:23:03.009 INFO [stderr]   |     ^^^
Dec 19 10:23:03.009 INFO [stderr]   |
Dec 19 10:23:03.009 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 10:23:03.009 INFO [stderr] 
Dec 19 10:23:03.009 INFO [stderr] warning: variant is never constructed: `SOF0`
Dec 19 10:23:03.009 INFO [stderr]  --> src/jpeg.rs:9:5
Dec 19 10:23:03.009 INFO [stderr]   |
Dec 19 10:23:03.009 INFO [stderr] 9 |     SOF0,
Dec 19 10:23:03.009 INFO [stderr]   |     ^^^^
Dec 19 10:23:03.010 INFO [stderr] 
Dec 19 10:23:03.010 INFO [stderr] warning: variant is never constructed: `SOF2`
Dec 19 10:23:03.010 INFO [stderr]   --> src/jpeg.rs:10:5
Dec 19 10:23:03.010 INFO [stderr]    |
Dec 19 10:23:03.010 INFO [stderr] 10 |     SOF2,
Dec 19 10:23:03.010 INFO [stderr]    |     ^^^^
Dec 19 10:23:03.010 INFO [stderr] 
Dec 19 10:23:03.010 INFO [stderr] warning: variant is never constructed: `DHT`
Dec 19 10:23:03.010 INFO [stderr]   --> src/jpeg.rs:11:5
Dec 19 10:23:03.010 INFO [stderr]    |
Dec 19 10:23:03.010 INFO [stderr] 11 |     DHT,
Dec 19 10:23:03.010 INFO [stderr]    |     ^^^
Dec 19 10:23:03.010 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: variant is never constructed: `DQT`
Dec 19 10:23:03.012 INFO [stderr]   --> src/jpeg.rs:12:5
Dec 19 10:23:03.012 INFO [stderr]    |
Dec 19 10:23:03.012 INFO [stderr] 12 |     DQT,
Dec 19 10:23:03.012 INFO [stderr]    |     ^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: variant is never constructed: `DRI`
Dec 19 10:23:03.012 INFO [stderr]   --> src/jpeg.rs:13:5
Dec 19 10:23:03.012 INFO [stderr]    |
Dec 19 10:23:03.012 INFO [stderr] 13 |     DRI,
Dec 19 10:23:03.012 INFO [stderr]    |     ^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: variant is never constructed: `SOS`
Dec 19 10:23:03.012 INFO [stderr]   --> src/jpeg.rs:14:5
Dec 19 10:23:03.012 INFO [stderr]    |
Dec 19 10:23:03.012 INFO [stderr] 14 |     SOS,
Dec 19 10:23:03.012 INFO [stderr]    |     ^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: variant is never constructed: `COM`
Dec 19 10:23:03.012 INFO [stderr]   --> src/jpeg.rs:20:5
Dec 19 10:23:03.012 INFO [stderr]    |
Dec 19 10:23:03.012 INFO [stderr] 20 |     COM,
Dec 19 10:23:03.012 INFO [stderr]    |     ^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: variant is never constructed: `EOI`
Dec 19 10:23:03.012 INFO [stderr]   --> src/jpeg.rs:21:5
Dec 19 10:23:03.012 INFO [stderr]    |
Dec 19 10:23:03.012 INFO [stderr] 21 |     EOI,
Dec 19 10:23:03.012 INFO [stderr]    |     ^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.012 INFO [stderr] warning: field is never used: `file`
Dec 19 10:23:03.012 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 19 10:23:03.012 INFO [stderr]     |
Dec 19 10:23:03.012 INFO [stderr] 112 |     file: File,
Dec 19 10:23:03.012 INFO [stderr]     |     ^^^^^^^^^^
Dec 19 10:23:03.012 INFO [stderr] 
Dec 19 10:23:03.266 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 19 10:23:03.832 INFO running `"docker" "inspect" "1af51e44e407da53a43617b02b14a38dd0264a09d4894b53efabb36f1ccb13a9"`
Dec 19 10:23:04.117 INFO running `"docker" "rm" "-f" "1af51e44e407da53a43617b02b14a38dd0264a09d4894b53efabb36f1ccb13a9"`
Dec 19 10:23:04.244 INFO [stdout] 1af51e44e407da53a43617b02b14a38dd0264a09d4894b53efabb36f1ccb13a9