Nov 29 23:29:33.165 INFO checking lesguillemets/effective-fortnight against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 23:29:33.165 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 23:29:33.608 INFO [stdout] c3feeaabda023dca6eb830ffda6f16027f3d4a11f592e3cfc832a2a4ae7ada94
Nov 29 23:29:33.610 INFO running `"docker" "start" "-a" "c3feeaabda023dca6eb830ffda6f16027f3d4a11f592e3cfc832a2a4ae7ada94"`
Nov 29 23:29:35.268 INFO [stderr] usermod: no changes
Nov 29 23:29:35.441 INFO [stderr]     Checking deflate v0.7.6
Nov 29 23:29:35.441 INFO [stderr]     Checking rayon-core v1.0.0
Nov 29 23:29:36.656 INFO [stderr]     Checking rayon v0.7.0
Nov 29 23:29:37.176 INFO [stderr]     Checking png v0.6.2
Nov 29 23:29:39.307 INFO [stderr]     Checking jpeg-decoder v0.1.12
Nov 29 23:29:40.548 INFO [stderr]     Checking image v0.12.3
Nov 29 23:29:44.636 INFO [stderr]     Checking colourful-converter v0.1.0 (/source)
Nov 29 23:29:45.492 INFO [stderr] warning: unused imports: `ColorType`, `Rgb`
Nov 29 23:29:45.492 INFO [stderr]  --> src/decode.rs:4:13
Nov 29 23:29:45.492 INFO [stderr]   |
Nov 29 23:29:45.492 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 29 23:29:45.492 INFO [stderr]   |             ^^^^^^^^^  ^^^
Nov 29 23:29:45.492 INFO [stderr]   |
Nov 29 23:29:45.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:29:45.492 INFO [stderr] 
Nov 29 23:29:45.492 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 23:29:45.492 INFO [stderr]   --> src/main.rs:19:5
Nov 29 23:29:45.492 INFO [stderr]    |
Nov 29 23:29:45.492 INFO [stderr] 19 |     /// decode the encoded file to validate
Nov 29 23:29:45.492 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.492 INFO [stderr]    |
Nov 29 23:29:45.492 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 29 23:29:45.492 INFO [stderr] 
Nov 29 23:29:45.616 INFO [stderr] warning: unused import: `GenericImage`
Nov 29 23:29:45.616 INFO [stderr]  --> src/decode.rs:3:13
Nov 29 23:29:45.616 INFO [stderr]   |
Nov 29 23:29:45.616 INFO [stderr] 3 | use image::{GenericImage, ImageDecoder};
Nov 29 23:29:45.616 INFO [stderr]   |             ^^^^^^^^^^^^
Nov 29 23:29:45.616 INFO [stderr] 
Nov 29 23:29:45.616 INFO [stderr] warning: unused import: `Pixel`
Nov 29 23:29:45.616 INFO [stderr]  --> src/decode.rs:4:29
Nov 29 23:29:45.616 INFO [stderr]   |
Nov 29 23:29:45.616 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 29 23:29:45.616 INFO [stderr]   |                             ^^^^^
Nov 29 23:29:45.616 INFO [stderr] 
Nov 29 23:29:45.640 INFO [stderr] warning: unused variable: `w`
Nov 29 23:29:45.640 INFO [stderr]   --> src/decode.rs:11:10
Nov 29 23:29:45.640 INFO [stderr]    |
Nov 29 23:29:45.640 INFO [stderr] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 29 23:29:45.640 INFO [stderr]    |          ^ help: consider using `_w` instead
Nov 29 23:29:45.640 INFO [stderr]    |
Nov 29 23:29:45.640 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:29:45.640 INFO [stderr] 
Nov 29 23:29:45.640 INFO [stderr] warning: unused variable: `i`
Nov 29 23:29:45.640 INFO [stderr]   --> src/decode.rs:73:60
Nov 29 23:29:45.640 INFO [stderr]    |
Nov 29 23:29:45.640 INFO [stderr] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 29 23:29:45.640 INFO [stderr]    |                                                            ^ help: consider using `_i` instead
Nov 29 23:29:45.640 INFO [stderr] 
Nov 29 23:29:45.640 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:29:45.640 INFO [stderr]   --> src/main.rs:29:9
Nov 29 23:29:45.640 INFO [stderr]    |
Nov 29 23:29:45.640 INFO [stderr] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 29 23:29:45.640 INFO [stderr]    |         ----^^^^
Nov 29 23:29:45.640 INFO [stderr]    |         |
Nov 29 23:29:45.640 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:29:45.640 INFO [stderr]    |
Nov 29 23:29:45.640 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:29:45.640 INFO [stderr] 
Nov 29 23:29:45.672 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:29:45.672 INFO [stderr]   --> src/decode.rs:46:9
Nov 29 23:29:45.672 INFO [stderr]    |
Nov 29 23:29:45.672 INFO [stderr] 46 |     let mut header = body.next().expect("empty body");
Nov 29 23:29:45.672 INFO [stderr]    |         ----^^^^^^
Nov 29 23:29:45.672 INFO [stderr]    |         |
Nov 29 23:29:45.672 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:29:45.672 INFO [stderr] 
Nov 29 23:29:45.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:29:45.688 INFO [stderr]   --> src/main.rs:22:5
Nov 29 23:29:45.688 INFO [stderr]    |
Nov 29 23:29:45.688 INFO [stderr] 22 |     test.write(&decode_file("out.png"));
Nov 29 23:29:45.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.688 INFO [stderr]    |
Nov 29 23:29:45.688 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 23:29:45.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:29:45.688 INFO [stderr] 
Nov 29 23:29:45.688 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:29:45.688 INFO [stderr]   --> src/main.rs:30:5
Nov 29 23:29:45.688 INFO [stderr]    |
Nov 29 23:29:45.688 INFO [stderr] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 29 23:29:45.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.688 INFO [stderr]    |
Nov 29 23:29:45.688 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:29:45.688 INFO [stderr] 
Nov 29 23:29:45.748 INFO [stderr] warning: unused imports: `ColorType`, `Rgb`
Nov 29 23:29:45.748 INFO [stderr]  --> src/decode.rs:4:13
Nov 29 23:29:45.748 INFO [stderr]   |
Nov 29 23:29:45.748 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 29 23:29:45.748 INFO [stderr]   |             ^^^^^^^^^  ^^^
Nov 29 23:29:45.748 INFO [stderr]   |
Nov 29 23:29:45.748 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:29:45.748 INFO [stderr] 
Nov 29 23:29:45.748 INFO [stderr] warning: doc comment not used by rustdoc
Nov 29 23:29:45.748 INFO [stderr]   --> src/main.rs:19:5
Nov 29 23:29:45.748 INFO [stderr]    |
Nov 29 23:29:45.748 INFO [stderr] 19 |     /// decode the encoded file to validate
Nov 29 23:29:45.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.748 INFO [stderr]    |
Nov 29 23:29:45.748 INFO [stderr]    = note: #[warn(unused_doc_comments)] on by default
Nov 29 23:29:45.748 INFO [stderr] 
Nov 29 23:29:45.831 INFO [stderr] warning: unused import: `GenericImage`
Nov 29 23:29:45.831 INFO [stderr]  --> src/decode.rs:3:13
Nov 29 23:29:45.831 INFO [stderr]   |
Nov 29 23:29:45.832 INFO [stderr] 3 | use image::{GenericImage, ImageDecoder};
Nov 29 23:29:45.832 INFO [stderr]   |             ^^^^^^^^^^^^
Nov 29 23:29:45.832 INFO [stderr] 
Nov 29 23:29:45.832 INFO [stderr] warning: unused import: `Pixel`
Nov 29 23:29:45.832 INFO [stderr]  --> src/decode.rs:4:29
Nov 29 23:29:45.832 INFO [stderr]   |
Nov 29 23:29:45.832 INFO [stderr] 4 | use image::{ColorType, Rgb, Pixel};
Nov 29 23:29:45.832 INFO [stderr]   |                             ^^^^^
Nov 29 23:29:45.832 INFO [stderr] 
Nov 29 23:29:45.836 INFO [stderr] warning: unused variable: `w`
Nov 29 23:29:45.836 INFO [stderr]   --> src/decode.rs:11:10
Nov 29 23:29:45.836 INFO [stderr]    |
Nov 29 23:29:45.836 INFO [stderr] 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 29 23:29:45.836 INFO [stderr]    |          ^ help: consider using `_w` instead
Nov 29 23:29:45.836 INFO [stderr]    |
Nov 29 23:29:45.836 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 23:29:45.836 INFO [stderr] 
Nov 29 23:29:45.836 INFO [stderr] warning: unused variable: `i`
Nov 29 23:29:45.836 INFO [stderr]   --> src/decode.rs:73:60
Nov 29 23:29:45.836 INFO [stderr]    |
Nov 29 23:29:45.836 INFO [stderr] 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 29 23:29:45.836 INFO [stderr]    |                                                            ^ help: consider using `_i` instead
Nov 29 23:29:45.836 INFO [stderr] 
Nov 29 23:29:45.844 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:29:45.844 INFO [stderr]   --> src/main.rs:29:9
Nov 29 23:29:45.844 INFO [stderr]    |
Nov 29 23:29:45.844 INFO [stderr] 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 29 23:29:45.844 INFO [stderr]    |         ----^^^^
Nov 29 23:29:45.844 INFO [stderr]    |         |
Nov 29 23:29:45.844 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:29:45.844 INFO [stderr]    |
Nov 29 23:29:45.844 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 23:29:45.844 INFO [stderr] 
Nov 29 23:29:45.856 INFO [stderr] warning: variable does not need to be mutable
Nov 29 23:29:45.856 INFO [stderr]   --> src/decode.rs:46:9
Nov 29 23:29:45.856 INFO [stderr]    |
Nov 29 23:29:45.856 INFO [stderr] 46 |     let mut header = body.next().expect("empty body");
Nov 29 23:29:45.856 INFO [stderr]    |         ----^^^^^^
Nov 29 23:29:45.856 INFO [stderr]    |         |
Nov 29 23:29:45.856 INFO [stderr]    |         help: remove this `mut`
Nov 29 23:29:45.856 INFO [stderr] 
Nov 29 23:29:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:29:45.868 INFO [stderr]   --> src/main.rs:22:5
Nov 29 23:29:45.868 INFO [stderr]    |
Nov 29 23:29:45.868 INFO [stderr] 22 |     test.write(&decode_file("out.png"));
Nov 29 23:29:45.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.868 INFO [stderr]    |
Nov 29 23:29:45.868 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 23:29:45.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:29:45.868 INFO [stderr] 
Nov 29 23:29:45.868 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 23:29:45.868 INFO [stderr]   --> src/main.rs:30:5
Nov 29 23:29:45.868 INFO [stderr]    |
Nov 29 23:29:45.868 INFO [stderr] 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 29 23:29:45.868 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:29:45.868 INFO [stderr]    |
Nov 29 23:29:45.868 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 23:29:45.868 INFO [stderr] 
Nov 29 23:29:45.873 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.56s
Nov 29 23:29:45.881 INFO [stderr] su: No module specific data is present
Nov 29 23:29:46.756 INFO running `"docker" "inspect" "c3feeaabda023dca6eb830ffda6f16027f3d4a11f592e3cfc832a2a4ae7ada94"`
Nov 29 23:29:47.062 INFO running `"docker" "rm" "-f" "c3feeaabda023dca6eb830ffda6f16027f3d4a11f592e3cfc832a2a4ae7ada94"`
Nov 29 23:29:47.348 INFO [stdout] c3feeaabda023dca6eb830ffda6f16027f3d4a11f592e3cfc832a2a4ae7ada94