[INFO] updating cached repository raytung/pixels
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/raytung/pixels
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/raytung/pixels" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/raytung/pixels"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/raytung/pixels'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/raytung/pixels" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/raytung/pixels"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/raytung/pixels'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d31af04f5e555a4c440f928e7234e68d73bac7f6
[INFO] sha for GitHub repo raytung/pixels: d31af04f5e555a4c440f928e7234e68d73bac7f6
[INFO] validating manifest of raytung/pixels on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of raytung/pixels on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing raytung/pixels
[INFO] finished frobbing raytung/pixels
[INFO] frobbed toml for raytung/pixels written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/raytung/pixels/Cargo.toml
[INFO] started frobbing raytung/pixels
[INFO] finished frobbing raytung/pixels
[INFO] frobbed toml for raytung/pixels written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/raytung/pixels/Cargo.toml
[INFO] crate raytung/pixels already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking raytung/pixels against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/raytung/pixels:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9f4453f7429c7ec481d08bd7935d5e29eebbd7cf7c492c75bcf516678a38e032
[INFO] running `"docker" "start" "-a" "9f4453f7429c7ec481d08bd7935d5e29eebbd7cf7c492c75bcf516678a38e032"`
[INFO] [stderr]     Checking pixels v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Result`, `SeekFrom`
[INFO] [stderr]  --> src/lib.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
[INFO] [stderr]   |                     ^^^^^^        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/jpeg.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Result`, `SeekFrom`
[INFO] [stderr]  --> src/lib.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
[INFO] [stderr]   |                     ^^^^^^        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/jpeg.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/jpeg.rs:116:24
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/jpeg.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Markers`
[INFO] [stderr]  --> src/jpeg.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Markers {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `INVALID`
[INFO] [stderr]   --> src/jpeg.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     INVALID
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `MarkerBytes`
[INFO] [stderr]   --> src/jpeg.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | type MarkerBytes = (u8, u8);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_bytes`
[INFO] [stderr]   --> src/jpeg.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn to_bytes(&self) -> Result<MarkerBytes, MarkersResult> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]    --> src/jpeg.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     file: File,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/jpeg.rs:116:24
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/jpeg.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SOI`
[INFO] [stderr]  --> src/jpeg.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     SOI,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SOF0`
[INFO] [stderr]  --> src/jpeg.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     SOF0,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SOF2`
[INFO] [stderr]   --> src/jpeg.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     SOF2,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DHT`
[INFO] [stderr]   --> src/jpeg.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DHT,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DQT`
[INFO] [stderr]   --> src/jpeg.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     DQT,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DRI`
[INFO] [stderr]   --> src/jpeg.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     DRI,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SOS`
[INFO] [stderr]   --> src/jpeg.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     SOS,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `COM`
[INFO] [stderr]   --> src/jpeg.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     COM,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOI`
[INFO] [stderr]   --> src/jpeg.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     EOI,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `file`
[INFO] [stderr]    --> src/jpeg.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     file: File,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "9f4453f7429c7ec481d08bd7935d5e29eebbd7cf7c492c75bcf516678a38e032"`
[INFO] running `"docker" "rm" "-f" "9f4453f7429c7ec481d08bd7935d5e29eebbd7cf7c492c75bcf516678a38e032"`
[INFO] [stdout] 9f4453f7429c7ec481d08bd7935d5e29eebbd7cf7c492c75bcf516678a38e032