Nov 28 01:51:49.209 INFO checking lesguillemets/effective-fortnight against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 01:51:49.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 01:51:49.580 INFO [stdout] 38761d4518adaaf0b07d3daf9c4bbb5881da97d09ae46e360f47e93fd8ad9cbd
Nov 28 01:51:49.584 INFO running `"docker" "start" "-a" "38761d4518adaaf0b07d3daf9c4bbb5881da97d09ae46e360f47e93fd8ad9cbd"`
Nov 28 01:51:50.598 INFO [stderr] usermod: no changes
Nov 28 01:51:50.749 INFO [stderr]     Checking colourful-converter v0.1.0 (/source)
Nov 28 01:51:52.339 INFO [stderr] warning: unused imports: `ColorType`, `Rgb`
Nov 28 01:51:52.339 INFO [stderr]  --> src/decode.rs:4:13
Nov 28 01:51:52.339 INFO [stderr]   |
Nov 28 01:51:52.339 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 28 01:51:52.339 INFO [stderr]   |             ^^^^^^^^^  ^^^
Nov 28 01:51:52.339 INFO [stderr]   |
Nov 28 01:51:52.339 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 01:51:52.339 INFO [stderr] 
Nov 28 01:51:52.339 INFO [stderr] warning: doc comment not used by rustdoc
Nov 28 01:51:52.339 INFO [stderr]   --> src/main.rs:19:5
Nov 28 01:51:52.339 INFO [stderr]    |
Nov 28 01:51:52.339 INFO [stderr] 19 |     /// decode the encoded file to validate
Nov 28 01:51:52.339 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.339 INFO [stderr]    |
Nov 28 01:51:52.339 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 28 01:51:52.339 INFO [stderr] 
Nov 28 01:51:52.480 INFO [stderr] warning: unused imports: `ColorType`, `Rgb`
Nov 28 01:51:52.480 INFO [stderr]  --> src/decode.rs:4:13
Nov 28 01:51:52.480 INFO [stderr]   |
Nov 28 01:51:52.480 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 28 01:51:52.480 INFO [stderr]   |             ^^^^^^^^^  ^^^
Nov 28 01:51:52.480 INFO [stderr]   |
Nov 28 01:51:52.480 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 01:51:52.480 INFO [stderr] 
Nov 28 01:51:52.480 INFO [stderr] warning: doc comment not used by rustdoc
Nov 28 01:51:52.480 INFO [stderr]   --> src/main.rs:19:5
Nov 28 01:51:52.480 INFO [stderr]    |
Nov 28 01:51:52.480 INFO [stderr] 19 |     /// decode the encoded file to validate
Nov 28 01:51:52.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.480 INFO [stderr]    |
Nov 28 01:51:52.480 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 28 01:51:52.480 INFO [stderr] 
Nov 28 01:51:52.488 INFO [stderr] warning: unused import: `GenericImage`
Nov 28 01:51:52.488 INFO [stderr]  --> src/decode.rs:3:13
Nov 28 01:51:52.488 INFO [stderr]   |
Nov 28 01:51:52.488 INFO [stderr] 3 | use image::{GenericImage, ImageDecoder};
Nov 28 01:51:52.488 INFO [stderr]   |             ^^^^^^^^^^^^
Nov 28 01:51:52.488 INFO [stderr] 
Nov 28 01:51:52.488 INFO [stderr] warning: unused import: `Pixel`
Nov 28 01:51:52.488 INFO [stderr]  --> src/decode.rs:4:29
Nov 28 01:51:52.488 INFO [stderr]   |
Nov 28 01:51:52.488 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 28 01:51:52.488 INFO [stderr]   |                             ^^^^^
Nov 28 01:51:52.488 INFO [stderr] 
Nov 28 01:51:52.500 INFO [stderr] warning: unused variable: `w`
Nov 28 01:51:52.500 INFO [stderr]   --> src/decode.rs:11:10
Nov 28 01:51:52.500 INFO [stderr]    |
Nov 28 01:51:52.500 INFO [stderr] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 28 01:51:52.500 INFO [stderr]    |          ^ help: consider using `_w` instead
Nov 28 01:51:52.500 INFO [stderr]    |
Nov 28 01:51:52.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:51:52.500 INFO [stderr] 
Nov 28 01:51:52.500 INFO [stderr] warning: unused variable: `i`
Nov 28 01:51:52.500 INFO [stderr]   --> src/decode.rs:73:60
Nov 28 01:51:52.500 INFO [stderr]    |
Nov 28 01:51:52.500 INFO [stderr] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 28 01:51:52.500 INFO [stderr]    |                                                            ^ help: consider using `_i` instead
Nov 28 01:51:52.500 INFO [stderr] 
Nov 28 01:51:52.508 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:52.508 INFO [stderr]   --> src/main.rs:29:9
Nov 28 01:51:52.508 INFO [stderr]    |
Nov 28 01:51:52.508 INFO [stderr] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 28 01:51:52.508 INFO [stderr]    |         ----^^^^
Nov 28 01:51:52.508 INFO [stderr]    |         |
Nov 28 01:51:52.508 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:51:52.508 INFO [stderr]    |
Nov 28 01:51:52.508 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:51:52.508 INFO [stderr] 
Nov 28 01:51:52.532 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:52.532 INFO [stderr]   --> src/decode.rs:46:9
Nov 28 01:51:52.532 INFO [stderr]    |
Nov 28 01:51:52.532 INFO [stderr] 46 |     let mut header = body.next().expect("empty body");
Nov 28 01:51:52.532 INFO [stderr]    |         ----^^^^^^
Nov 28 01:51:52.532 INFO [stderr]    |         |
Nov 28 01:51:52.532 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:51:52.532 INFO [stderr] 
Nov 28 01:51:52.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:51:52.548 INFO [stderr]   --> src/main.rs:22:5
Nov 28 01:51:52.548 INFO [stderr]    |
Nov 28 01:51:52.548 INFO [stderr] 22 |     test.write(&decode_file("out.png"));
Nov 28 01:51:52.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.548 INFO [stderr]    |
Nov 28 01:51:52.548 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 01:51:52.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:51:52.548 INFO [stderr] 
Nov 28 01:51:52.548 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:51:52.548 INFO [stderr]   --> src/main.rs:30:5
Nov 28 01:51:52.548 INFO [stderr]    |
Nov 28 01:51:52.548 INFO [stderr] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 28 01:51:52.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.548 INFO [stderr]    |
Nov 28 01:51:52.548 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:51:52.549 INFO [stderr] 
Nov 28 01:51:52.596 INFO [stderr] warning: unused import: `GenericImage`
Nov 28 01:51:52.596 INFO [stderr]  --> src/decode.rs:3:13
Nov 28 01:51:52.596 INFO [stderr]   |
Nov 28 01:51:52.596 INFO [stderr] 3 | use image::{GenericImage, ImageDecoder};
Nov 28 01:51:52.596 INFO [stderr]   |             ^^^^^^^^^^^^
Nov 28 01:51:52.596 INFO [stderr] 
Nov 28 01:51:52.604 INFO [stderr] warning: unused import: `Pixel`
Nov 28 01:51:52.604 INFO [stderr]  --> src/decode.rs:4:29
Nov 28 01:51:52.604 INFO [stderr]   |
Nov 28 01:51:52.604 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 28 01:51:52.604 INFO [stderr]   |                             ^^^^^
Nov 28 01:51:52.604 INFO [stderr] 
Nov 28 01:51:52.604 INFO [stderr] warning: unused variable: `w`
Nov 28 01:51:52.604 INFO [stderr]   --> src/decode.rs:11:10
Nov 28 01:51:52.604 INFO [stderr]    |
Nov 28 01:51:52.604 INFO [stderr] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 28 01:51:52.604 INFO [stderr]    |          ^ help: consider using `_w` instead
Nov 28 01:51:52.604 INFO [stderr]    |
Nov 28 01:51:52.604 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 01:51:52.604 INFO [stderr] 
Nov 28 01:51:52.604 INFO [stderr] warning: unused variable: `i`
Nov 28 01:51:52.604 INFO [stderr]   --> src/decode.rs:73:60
Nov 28 01:51:52.604 INFO [stderr]    |
Nov 28 01:51:52.604 INFO [stderr] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 28 01:51:52.604 INFO [stderr]    |                                                            ^ help: consider using `_i` instead
Nov 28 01:51:52.604 INFO [stderr] 
Nov 28 01:51:52.616 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:52.616 INFO [stderr]   --> src/main.rs:29:9
Nov 28 01:51:52.616 INFO [stderr]    |
Nov 28 01:51:52.616 INFO [stderr] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 28 01:51:52.616 INFO [stderr]    |         ----^^^^
Nov 28 01:51:52.616 INFO [stderr]    |         |
Nov 28 01:51:52.616 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:51:52.616 INFO [stderr]    |
Nov 28 01:51:52.616 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 01:51:52.616 INFO [stderr] 
Nov 28 01:51:52.628 INFO [stderr] warning: variable does not need to be mutable
Nov 28 01:51:52.628 INFO [stderr]   --> src/decode.rs:46:9
Nov 28 01:51:52.628 INFO [stderr]    |
Nov 28 01:51:52.628 INFO [stderr] 46 |     let mut header = body.next().expect("empty body");
Nov 28 01:51:52.628 INFO [stderr]    |         ----^^^^^^
Nov 28 01:51:52.628 INFO [stderr]    |         |
Nov 28 01:51:52.628 INFO [stderr]    |         help: remove this `mut`
Nov 28 01:51:52.628 INFO [stderr] 
Nov 28 01:51:52.644 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:51:52.644 INFO [stderr]   --> src/main.rs:22:5
Nov 28 01:51:52.644 INFO [stderr]    |
Nov 28 01:51:52.644 INFO [stderr] 22 |     test.write(&decode_file("out.png"));
Nov 28 01:51:52.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.644 INFO [stderr]    |
Nov 28 01:51:52.644 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 01:51:52.644 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:51:52.644 INFO [stderr] 
Nov 28 01:51:52.644 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 01:51:52.644 INFO [stderr]   --> src/main.rs:30:5
Nov 28 01:51:52.644 INFO [stderr]    |
Nov 28 01:51:52.644 INFO [stderr] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 28 01:51:52.644 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 01:51:52.644 INFO [stderr]    |
Nov 28 01:51:52.644 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 01:51:52.644 INFO [stderr] 
Nov 28 01:51:52.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Nov 28 01:51:52.668 INFO [stderr] su: No module specific data is present
Nov 28 01:51:53.336 INFO running `"docker" "inspect" "38761d4518adaaf0b07d3daf9c4bbb5881da97d09ae46e360f47e93fd8ad9cbd"`
Nov 28 01:51:53.681 INFO running `"docker" "rm" "-f" "38761d4518adaaf0b07d3daf9c4bbb5881da97d09ae46e360f47e93fd8ad9cbd"`
Nov 28 01:51:54.067 INFO [stdout] 38761d4518adaaf0b07d3daf9c4bbb5881da97d09ae46e360f47e93fd8ad9cbd