Dec 17 17:14:09.713 INFO checking raytung/pixels against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 17:14:09.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 17:14:10.250 INFO [stdout] f1c8ff38ca3ac81ecdf4c805564ecb3666599dcc65326b90d260b6fcd2a05e9d
Dec 17 17:14:10.252 INFO running `"docker" "start" "-a" "f1c8ff38ca3ac81ecdf4c805564ecb3666599dcc65326b90d260b6fcd2a05e9d"`
Dec 17 17:14:11.541 INFO [stderr]     Checking pixels v0.1.0 (/opt/crater/workdir)
Dec 17 17:14:11.660 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 17 17:14:11.660 INFO [stderr]  --> src/lib.rs:2:21
Dec 17 17:14:11.660 INFO [stderr]   |
Dec 17 17:14:11.660 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 17 17:14:11.660 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 17 17:14:11.660 INFO [stderr]   |
Dec 17 17:14:11.660 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:14:11.660 INFO [stderr] 
Dec 17 17:14:11.669 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 17 17:14:11.669 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 17 17:14:11.669 INFO [stderr]   |
Dec 17 17:14:11.669 INFO [stderr] 4 | use std::collections::HashMap;
Dec 17 17:14:11.669 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:14:11.669 INFO [stderr] 
Dec 17 17:14:11.669 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 17 17:14:11.669 INFO [stderr]  --> src/lib.rs:2:21
Dec 17 17:14:11.669 INFO [stderr]   |
Dec 17 17:14:11.669 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 17 17:14:11.669 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 17 17:14:11.669 INFO [stderr]   |
Dec 17 17:14:11.669 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:14:11.669 INFO [stderr] 
Dec 17 17:14:11.669 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 17 17:14:11.669 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 17 17:14:11.669 INFO [stderr]   |
Dec 17 17:14:11.669 INFO [stderr] 4 | use std::collections::HashMap;
Dec 17 17:14:11.669 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:14:11.669 INFO [stderr] 
Dec 17 17:14:11.716 INFO [stderr] warning: unused variable: `buf`
Dec 17 17:14:11.716 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 17 17:14:11.716 INFO [stderr]     |
Dec 17 17:14:11.716 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 17 17:14:11.716 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 17 17:14:11.716 INFO [stderr]     |
Dec 17 17:14:11.716 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:14:11.716 INFO [stderr] 
Dec 17 17:14:11.716 INFO [stderr] warning: unused variable: `pos`
Dec 17 17:14:11.716 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 17 17:14:11.716 INFO [stderr]     |
Dec 17 17:14:11.716 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 17 17:14:11.716 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 17 17:14:11.716 INFO [stderr] 
Dec 17 17:14:11.720 INFO [stderr] warning: unused variable: `buf`
Dec 17 17:14:11.721 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 17 17:14:11.721 INFO [stderr]     |
Dec 17 17:14:11.721 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 17 17:14:11.721 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 17 17:14:11.721 INFO [stderr]     |
Dec 17 17:14:11.721 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 17:14:11.721 INFO [stderr] 
Dec 17 17:14:11.721 INFO [stderr] warning: unused variable: `pos`
Dec 17 17:14:11.721 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 17 17:14:11.721 INFO [stderr]     |
Dec 17 17:14:11.721 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 17 17:14:11.721 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 17 17:14:11.721 INFO [stderr] 
Dec 17 17:14:11.725 INFO [stderr] warning: enum is never used: `Markers`
Dec 17 17:14:11.725 INFO [stderr]  --> src/jpeg.rs:7:1
Dec 17 17:14:11.725 INFO [stderr]   |
Dec 17 17:14:11.725 INFO [stderr] 7 | enum Markers {
Dec 17 17:14:11.725 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 17:14:11.725 INFO [stderr]   |
Dec 17 17:14:11.725 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 17:14:11.725 INFO [stderr] 
Dec 17 17:14:11.725 INFO [stderr] warning: variant is never constructed: `INVALID`
Dec 17 17:14:11.725 INFO [stderr]   --> src/jpeg.rs:26:5
Dec 17 17:14:11.725 INFO [stderr]    |
Dec 17 17:14:11.725 INFO [stderr] 26 |     INVALID
Dec 17 17:14:11.725 INFO [stderr]    |     ^^^^^^^
Dec 17 17:14:11.725 INFO [stderr] 
Dec 17 17:14:11.725 INFO [stderr] warning: type alias is never used: `MarkerBytes`
Dec 17 17:14:11.725 INFO [stderr]   --> src/jpeg.rs:29:1
Dec 17 17:14:11.725 INFO [stderr]    |
Dec 17 17:14:11.725 INFO [stderr] 29 | type MarkerBytes = (u8, u8);
Dec 17 17:14:11.725 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:14:11.725 INFO [stderr] 
Dec 17 17:14:11.725 INFO [stderr] warning: method is never used: `to_bytes`
Dec 17 17:14:11.725 INFO [stderr]   --> src/jpeg.rs:32:5
Dec 17 17:14:11.725 INFO [stderr]    |
Dec 17 17:14:11.725 INFO [stderr] 32 |     fn to_bytes(&self) -> Result<MarkerBytes, MarkersResult> {
Dec 17 17:14:11.725 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:14:11.725 INFO [stderr] 
Dec 17 17:14:11.725 INFO [stderr] warning: field is never used: `file`
Dec 17 17:14:11.725 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 17 17:14:11.725 INFO [stderr]     |
Dec 17 17:14:11.725 INFO [stderr] 112 |     file: File,
Dec 17 17:14:11.725 INFO [stderr]     |     ^^^^^^^^^^
Dec 17 17:14:11.725 INFO [stderr] 
Dec 17 17:14:11.731 INFO [stderr] warning: variant is never constructed: `SOI`
Dec 17 17:14:11.731 INFO [stderr]  --> src/jpeg.rs:8:5
Dec 17 17:14:11.731 INFO [stderr]   |
Dec 17 17:14:11.731 INFO [stderr] 8 |     SOI,
Dec 17 17:14:11.731 INFO [stderr]   |     ^^^
Dec 17 17:14:11.731 INFO [stderr]   |
Dec 17 17:14:11.731 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 17:14:11.731 INFO [stderr] 
Dec 17 17:14:11.731 INFO [stderr] warning: variant is never constructed: `SOF0`
Dec 17 17:14:11.731 INFO [stderr]  --> src/jpeg.rs:9:5
Dec 17 17:14:11.731 INFO [stderr]   |
Dec 17 17:14:11.731 INFO [stderr] 9 |     SOF0,
Dec 17 17:14:11.731 INFO [stderr]   |     ^^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `SOF2`
Dec 17 17:14:11.732 INFO [stderr]   --> src/jpeg.rs:10:5
Dec 17 17:14:11.732 INFO [stderr]    |
Dec 17 17:14:11.732 INFO [stderr] 10 |     SOF2,
Dec 17 17:14:11.732 INFO [stderr]    |     ^^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `DHT`
Dec 17 17:14:11.732 INFO [stderr]   --> src/jpeg.rs:11:5
Dec 17 17:14:11.732 INFO [stderr]    |
Dec 17 17:14:11.732 INFO [stderr] 11 |     DHT,
Dec 17 17:14:11.732 INFO [stderr]    |     ^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `DQT`
Dec 17 17:14:11.732 INFO [stderr]   --> src/jpeg.rs:12:5
Dec 17 17:14:11.732 INFO [stderr]    |
Dec 17 17:14:11.732 INFO [stderr] 12 |     DQT,
Dec 17 17:14:11.732 INFO [stderr]    |     ^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `DRI`
Dec 17 17:14:11.732 INFO [stderr]   --> src/jpeg.rs:13:5
Dec 17 17:14:11.732 INFO [stderr]    |
Dec 17 17:14:11.732 INFO [stderr] 13 |     DRI,
Dec 17 17:14:11.732 INFO [stderr]    |     ^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `SOS`
Dec 17 17:14:11.732 INFO [stderr]   --> src/jpeg.rs:14:5
Dec 17 17:14:11.732 INFO [stderr]    |
Dec 17 17:14:11.732 INFO [stderr] 14 |     SOS,
Dec 17 17:14:11.732 INFO [stderr]    |     ^^^
Dec 17 17:14:11.732 INFO [stderr] 
Dec 17 17:14:11.732 INFO [stderr] warning: variant is never constructed: `COM`
Dec 17 17:14:11.733 INFO [stderr]   --> src/jpeg.rs:20:5
Dec 17 17:14:11.733 INFO [stderr]    |
Dec 17 17:14:11.733 INFO [stderr] 20 |     COM,
Dec 17 17:14:11.733 INFO [stderr]    |     ^^^
Dec 17 17:14:11.733 INFO [stderr] 
Dec 17 17:14:11.733 INFO [stderr] warning: variant is never constructed: `EOI`
Dec 17 17:14:11.733 INFO [stderr]   --> src/jpeg.rs:21:5
Dec 17 17:14:11.733 INFO [stderr]    |
Dec 17 17:14:11.733 INFO [stderr] 21 |     EOI,
Dec 17 17:14:11.733 INFO [stderr]    |     ^^^
Dec 17 17:14:11.733 INFO [stderr] 
Dec 17 17:14:11.733 INFO [stderr] warning: field is never used: `file`
Dec 17 17:14:11.733 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 17 17:14:11.733 INFO [stderr]     |
Dec 17 17:14:11.733 INFO [stderr] 112 |     file: File,
Dec 17 17:14:11.733 INFO [stderr]     |     ^^^^^^^^^^
Dec 17 17:14:11.733 INFO [stderr] 
Dec 17 17:14:11.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 17 17:14:12.226 INFO running `"docker" "inspect" "f1c8ff38ca3ac81ecdf4c805564ecb3666599dcc65326b90d260b6fcd2a05e9d"`
Dec 17 17:14:12.310 INFO running `"docker" "rm" "-f" "f1c8ff38ca3ac81ecdf4c805564ecb3666599dcc65326b90d260b6fcd2a05e9d"`
Dec 17 17:14:12.403 INFO [stdout] f1c8ff38ca3ac81ecdf4c805564ecb3666599dcc65326b90d260b6fcd2a05e9d