Dec 11 11:17:04.501 INFO checking raytung/pixels against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:17:04.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 11:17:04.878 INFO [stdout] 8c7a3f780051c895b9089a58d5a12f629e7a8765f3ac46191a4e19f32ee18dd9
Dec 11 11:17:04.897 INFO running `"docker" "start" "-a" "8c7a3f780051c895b9089a58d5a12f629e7a8765f3ac46191a4e19f32ee18dd9"`
Dec 11 11:17:05.748 INFO [stderr] usermod: no changes
Dec 11 11:17:05.800 INFO [stderr]     Checking pixels v0.1.0 (/source)
Dec 11 11:17:06.084 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 11 11:17:06.084 INFO [stderr]  --> src/lib.rs:2:21
Dec 11 11:17:06.084 INFO [stderr]   |
Dec 11 11:17:06.084 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 11 11:17:06.084 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 11 11:17:06.084 INFO [stderr]   |
Dec 11 11:17:06.084 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:17:06.084 INFO [stderr] 
Dec 11 11:17:06.084 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 11:17:06.084 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 11 11:17:06.084 INFO [stderr]   |
Dec 11 11:17:06.084 INFO [stderr] 4 | use std::collections::HashMap;
Dec 11 11:17:06.084 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:17:06.084 INFO [stderr] 
Dec 11 11:17:06.125 INFO [stderr] warning: unused variable: `buf`
Dec 11 11:17:06.125 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 11 11:17:06.126 INFO [stderr]     |
Dec 11 11:17:06.126 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 11 11:17:06.126 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 11 11:17:06.126 INFO [stderr]     |
Dec 11 11:17:06.126 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 11:17:06.126 INFO [stderr] 
Dec 11 11:17:06.127 INFO [stderr] warning: unused variable: `pos`
Dec 11 11:17:06.127 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 11 11:17:06.127 INFO [stderr]     |
Dec 11 11:17:06.127 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 11 11:17:06.127 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 11 11:17:06.127 INFO [stderr] 
Dec 11 11:17:06.139 INFO [stderr] warning: enum is never used: `Markers`
Dec 11 11:17:06.139 INFO [stderr]  --> src/jpeg.rs:7:1
Dec 11 11:17:06.141 INFO [stderr]   |
Dec 11 11:17:06.141 INFO [stderr] 7 | enum Markers {
Dec 11 11:17:06.141 INFO [stderr]   | ^^^^^^^^^^^^
Dec 11 11:17:06.141 INFO [stderr]   |
Dec 11 11:17:06.141 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:17:06.141 INFO [stderr] 
Dec 11 11:17:06.141 INFO [stderr] warning: variant is never constructed: `INVALID`
Dec 11 11:17:06.141 INFO [stderr]   --> src/jpeg.rs:26:5
Dec 11 11:17:06.141 INFO [stderr]    |
Dec 11 11:17:06.141 INFO [stderr] 26 |     INVALID
Dec 11 11:17:06.141 INFO [stderr]    |     ^^^^^^^
Dec 11 11:17:06.141 INFO [stderr] 
Dec 11 11:17:06.141 INFO [stderr] warning: type alias is never used: `MarkerBytes`
Dec 11 11:17:06.141 INFO [stderr]   --> src/jpeg.rs:29:1
Dec 11 11:17:06.141 INFO [stderr]    |
Dec 11 11:17:06.141 INFO [stderr] 29 | type MarkerBytes = (u8, u8);
Dec 11 11:17:06.141 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:17:06.141 INFO [stderr] 
Dec 11 11:17:06.141 INFO [stderr] warning: method is never used: `to_bytes`
Dec 11 11:17:06.142 INFO [stderr]   --> src/jpeg.rs:32:5
Dec 11 11:17:06.142 INFO [stderr]    |
Dec 11 11:17:06.142 INFO [stderr] 32 |     fn to_bytes(&self) -> Result<MarkerBytes, MarkersResult> {
Dec 11 11:17:06.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:17:06.142 INFO [stderr] 
Dec 11 11:17:06.142 INFO [stderr] warning: field is never used: `file`
Dec 11 11:17:06.142 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 11 11:17:06.142 INFO [stderr]     |
Dec 11 11:17:06.142 INFO [stderr] 112 |     file: File,
Dec 11 11:17:06.142 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 11:17:06.142 INFO [stderr] 
Dec 11 11:17:06.310 INFO [stderr] warning: unused imports: `Result`, `SeekFrom`
Dec 11 11:17:06.310 INFO [stderr]  --> src/lib.rs:2:21
Dec 11 11:17:06.310 INFO [stderr]   |
Dec 11 11:17:06.310 INFO [stderr] 2 | use std::io::{Seek, Result, Read, SeekFrom};
Dec 11 11:17:06.310 INFO [stderr]   |                     ^^^^^^        ^^^^^^^^
Dec 11 11:17:06.310 INFO [stderr]   |
Dec 11 11:17:06.310 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:17:06.310 INFO [stderr] 
Dec 11 11:17:06.310 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 11 11:17:06.310 INFO [stderr]  --> src/jpeg.rs:4:5
Dec 11 11:17:06.310 INFO [stderr]   |
Dec 11 11:17:06.310 INFO [stderr] 4 | use std::collections::HashMap;
Dec 11 11:17:06.310 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:17:06.310 INFO [stderr] 
Dec 11 11:17:06.436 INFO [stderr] warning: unused variable: `buf`
Dec 11 11:17:06.436 INFO [stderr]    --> src/jpeg.rs:116:24
Dec 11 11:17:06.436 INFO [stderr]     |
Dec 11 11:17:06.436 INFO [stderr] 116 |     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
Dec 11 11:17:06.436 INFO [stderr]     |                        ^^^ help: consider using `_buf` instead
Dec 11 11:17:06.436 INFO [stderr]     |
Dec 11 11:17:06.436 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 11:17:06.436 INFO [stderr] 
Dec 11 11:17:06.436 INFO [stderr] warning: unused variable: `pos`
Dec 11 11:17:06.436 INFO [stderr]    --> src/jpeg.rs:122:24
Dec 11 11:17:06.436 INFO [stderr]     |
Dec 11 11:17:06.436 INFO [stderr] 122 |     fn seek(&mut self, pos: SeekFrom) -> io::Result<u64> {
Dec 11 11:17:06.436 INFO [stderr]     |                        ^^^ help: consider using `_pos` instead
Dec 11 11:17:06.436 INFO [stderr] 
Dec 11 11:17:06.456 INFO [stderr] warning: variant is never constructed: `SOI`
Dec 11 11:17:06.456 INFO [stderr]  --> src/jpeg.rs:8:5
Dec 11 11:17:06.456 INFO [stderr]   |
Dec 11 11:17:06.456 INFO [stderr] 8 |     SOI,
Dec 11 11:17:06.456 INFO [stderr]   |     ^^^
Dec 11 11:17:06.456 INFO [stderr]   |
Dec 11 11:17:06.456 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 11:17:06.456 INFO [stderr] 
Dec 11 11:17:06.456 INFO [stderr] warning: variant is never constructed: `SOF0`
Dec 11 11:17:06.456 INFO [stderr]  --> src/jpeg.rs:9:5
Dec 11 11:17:06.456 INFO [stderr]   |
Dec 11 11:17:06.456 INFO [stderr] 9 |     SOF0,
Dec 11 11:17:06.456 INFO [stderr]   |     ^^^^
Dec 11 11:17:06.456 INFO [stderr] 
Dec 11 11:17:06.456 INFO [stderr] warning: variant is never constructed: `SOF2`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:10:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 10 |     SOF2,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `DHT`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:11:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 11 |     DHT,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `DQT`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:12:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 12 |     DQT,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `DRI`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:13:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 13 |     DRI,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `SOS`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:14:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 14 |     SOS,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `COM`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:20:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 20 |     COM,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.457 INFO [stderr] warning: variant is never constructed: `EOI`
Dec 11 11:17:06.457 INFO [stderr]   --> src/jpeg.rs:21:5
Dec 11 11:17:06.457 INFO [stderr]    |
Dec 11 11:17:06.457 INFO [stderr] 21 |     EOI,
Dec 11 11:17:06.457 INFO [stderr]    |     ^^^
Dec 11 11:17:06.457 INFO [stderr] 
Dec 11 11:17:06.464 INFO [stderr] warning: field is never used: `file`
Dec 11 11:17:06.464 INFO [stderr]    --> src/jpeg.rs:112:5
Dec 11 11:17:06.464 INFO [stderr]     |
Dec 11 11:17:06.464 INFO [stderr] 112 |     file: File,
Dec 11 11:17:06.464 INFO [stderr]     |     ^^^^^^^^^^
Dec 11 11:17:06.464 INFO [stderr] 
Dec 11 11:17:06.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 11 11:17:06.722 INFO [stderr] su: No module specific data is present
Dec 11 11:17:07.158 INFO running `"docker" "inspect" "8c7a3f780051c895b9089a58d5a12f629e7a8765f3ac46191a4e19f32ee18dd9"`
Dec 11 11:17:07.352 INFO running `"docker" "rm" "-f" "8c7a3f780051c895b9089a58d5a12f629e7a8765f3ac46191a4e19f32ee18dd9"`
Dec 11 11:17:07.553 INFO [stdout] 8c7a3f780051c895b9089a58d5a12f629e7a8765f3ac46191a4e19f32ee18dd9