Oct 12 18:29:20.187 INFO checking lesguillemets/effective-fortnight against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:29:20.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 18:29:20.684 INFO blam! a4c94b521323f52eaa28937fda447b4f7d86fd1ee84b06c2390ae7ff8111680c
Oct 12 18:29:20.689 INFO running `"docker" "start" "-a" "a4c94b521323f52eaa28937fda447b4f7d86fd1ee84b06c2390ae7ff8111680c"`
Oct 12 18:29:22.749 INFO kablam! usermod: no changes
Oct 12 18:29:22.936 INFO kablam!    Compiling rayon-core v1.0.0
Oct 12 18:29:22.937 INFO kablam!     Checking deflate v0.7.6
Oct 12 18:29:22.944 INFO kablam!     Checking num-rational v0.1.36
Oct 12 18:29:25.401 INFO kablam!     Checking png v0.6.2
Oct 12 18:29:25.632 INFO kablam!     Checking rayon v0.7.0
Oct 12 18:29:28.456 INFO kablam!     Checking jpeg-decoder v0.1.12
Oct 12 18:29:29.889 INFO kablam!     Checking image v0.12.3
Oct 12 18:29:34.555 INFO kablam!     Checking colourful-converter v0.1.0 (/source)
Oct 12 18:29:36.164 INFO kablam! warning: unused imports: `ColorType`, `Rgb`
Oct 12 18:29:36.165 INFO kablam!  --> src/decode.rs:4:13
Oct 12 18:29:36.165 INFO kablam!   |
Oct 12 18:29:36.166 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Oct 12 18:29:36.167 INFO kablam!   |             ^^^^^^^^^  ^^^
Oct 12 18:29:36.167 INFO kablam!   |
Oct 12 18:29:36.168 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:29:36.169 INFO kablam! 
Oct 12 18:29:36.170 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 18:29:36.170 INFO kablam!   --> src/main.rs:19:5
Oct 12 18:29:36.171 INFO kablam!    |
Oct 12 18:29:36.172 INFO kablam! 19 |     /// decode the encoded file to validate
Oct 12 18:29:36.172 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.173 INFO kablam!    |
Oct 12 18:29:36.174 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Oct 12 18:29:36.174 INFO kablam! 
Oct 12 18:29:36.315 INFO kablam! warning: unused imports: `ColorType`, `Rgb`
Oct 12 18:29:36.315 INFO kablam!  --> src/decode.rs:4:13
Oct 12 18:29:36.315 INFO kablam!   |
Oct 12 18:29:36.315 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Oct 12 18:29:36.315 INFO kablam!   |             ^^^^^^^^^  ^^^
Oct 12 18:29:36.316 INFO kablam!   |
Oct 12 18:29:36.316 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 18:29:36.316 INFO kablam! 
Oct 12 18:29:36.316 INFO kablam! warning: doc comment not used by rustdoc
Oct 12 18:29:36.316 INFO kablam!   --> src/main.rs:19:5
Oct 12 18:29:36.316 INFO kablam!    |
Oct 12 18:29:36.316 INFO kablam! 19 |     /// decode the encoded file to validate
Oct 12 18:29:36.316 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.316 INFO kablam!    |
Oct 12 18:29:36.316 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Oct 12 18:29:36.316 INFO kablam! 
Oct 12 18:29:36.372 INFO kablam! warning: unused import: `GenericImage`
Oct 12 18:29:36.373 INFO kablam!  --> src/decode.rs:3:13
Oct 12 18:29:36.374 INFO kablam!   |
Oct 12 18:29:36.375 INFO kablam! 3 | use image::{GenericImage, ImageDecoder};
Oct 12 18:29:36.376 INFO kablam!   |             ^^^^^^^^^^^^
Oct 12 18:29:36.376 INFO kablam! 
Oct 12 18:29:36.377 INFO kablam! warning: unused import: `Pixel`
Oct 12 18:29:36.377 INFO kablam!  --> src/decode.rs:4:29
Oct 12 18:29:36.378 INFO kablam!   |
Oct 12 18:29:36.379 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Oct 12 18:29:36.379 INFO kablam!   |                             ^^^^^
Oct 12 18:29:36.380 INFO kablam! 
Oct 12 18:29:36.393 INFO kablam! warning: unused variable: `w`
Oct 12 18:29:36.394 INFO kablam!   --> src/decode.rs:11:10
Oct 12 18:29:36.394 INFO kablam!    |
Oct 12 18:29:36.394 INFO kablam! 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Oct 12 18:29:36.394 INFO kablam!    |          ^ help: consider using `_w` instead
Oct 12 18:29:36.394 INFO kablam!    |
Oct 12 18:29:36.394 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:29:36.395 INFO kablam! 
Oct 12 18:29:36.395 INFO kablam! warning: unused variable: `i`
Oct 12 18:29:36.395 INFO kablam!   --> src/decode.rs:73:60
Oct 12 18:29:36.395 INFO kablam!    |
Oct 12 18:29:36.395 INFO kablam! 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Oct 12 18:29:36.395 INFO kablam!    |                                                            ^ help: consider using `_i` instead
Oct 12 18:29:36.395 INFO kablam! 
Oct 12 18:29:36.398 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:29:36.398 INFO kablam!   --> src/main.rs:29:9
Oct 12 18:29:36.398 INFO kablam!    |
Oct 12 18:29:36.398 INFO kablam! 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Oct 12 18:29:36.398 INFO kablam!    |         ----^^^^
Oct 12 18:29:36.399 INFO kablam!    |         |
Oct 12 18:29:36.399 INFO kablam!    |         help: remove this `mut`
Oct 12 18:29:36.400 INFO kablam!    |
Oct 12 18:29:36.400 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:29:36.400 INFO kablam! 
Oct 12 18:29:36.423 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:29:36.424 INFO kablam!   --> src/decode.rs:46:9
Oct 12 18:29:36.424 INFO kablam!    |
Oct 12 18:29:36.424 INFO kablam! 46 |     let mut header = body.next().expect("empty body");
Oct 12 18:29:36.424 INFO kablam!    |         ----^^^^^^
Oct 12 18:29:36.424 INFO kablam!    |         |
Oct 12 18:29:36.424 INFO kablam!    |         help: remove this `mut`
Oct 12 18:29:36.424 INFO kablam! 
Oct 12 18:29:36.452 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:29:36.453 INFO kablam!   --> src/main.rs:22:5
Oct 12 18:29:36.453 INFO kablam!    |
Oct 12 18:29:36.453 INFO kablam! 22 |     test.write(&decode_file("out.png"));
Oct 12 18:29:36.453 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.453 INFO kablam!    |
Oct 12 18:29:36.453 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 18:29:36.454 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:29:36.454 INFO kablam! 
Oct 12 18:29:36.454 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:29:36.454 INFO kablam!   --> src/main.rs:30:5
Oct 12 18:29:36.454 INFO kablam!    |
Oct 12 18:29:36.454 INFO kablam! 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Oct 12 18:29:36.454 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.454 INFO kablam!    |
Oct 12 18:29:36.454 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:29:36.454 INFO kablam! 
Oct 12 18:29:36.459 INFO kablam! warning: unused import: `GenericImage`
Oct 12 18:29:36.459 INFO kablam!  --> src/decode.rs:3:13
Oct 12 18:29:36.459 INFO kablam!   |
Oct 12 18:29:36.459 INFO kablam! 3 | use image::{GenericImage, ImageDecoder};
Oct 12 18:29:36.459 INFO kablam!   |             ^^^^^^^^^^^^
Oct 12 18:29:36.459 INFO kablam! 
Oct 12 18:29:36.461 INFO kablam! warning: unused import: `Pixel`
Oct 12 18:29:36.461 INFO kablam!  --> src/decode.rs:4:29
Oct 12 18:29:36.461 INFO kablam!   |
Oct 12 18:29:36.461 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Oct 12 18:29:36.461 INFO kablam!   |                             ^^^^^
Oct 12 18:29:36.461 INFO kablam! 
Oct 12 18:29:36.467 INFO kablam! warning: unused variable: `w`
Oct 12 18:29:36.467 INFO kablam!   --> src/decode.rs:11:10
Oct 12 18:29:36.467 INFO kablam!    |
Oct 12 18:29:36.467 INFO kablam! 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Oct 12 18:29:36.467 INFO kablam!    |          ^ help: consider using `_w` instead
Oct 12 18:29:36.467 INFO kablam!    |
Oct 12 18:29:36.467 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:29:36.467 INFO kablam! 
Oct 12 18:29:36.468 INFO kablam! warning: unused variable: `i`
Oct 12 18:29:36.468 INFO kablam!   --> src/decode.rs:73:60
Oct 12 18:29:36.468 INFO kablam!    |
Oct 12 18:29:36.468 INFO kablam! 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Oct 12 18:29:36.468 INFO kablam!    |                                                            ^ help: consider using `_i` instead
Oct 12 18:29:36.468 INFO kablam! 
Oct 12 18:29:36.475 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:29:36.475 INFO kablam!   --> src/main.rs:29:9
Oct 12 18:29:36.475 INFO kablam!    |
Oct 12 18:29:36.475 INFO kablam! 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Oct 12 18:29:36.475 INFO kablam!    |         ----^^^^
Oct 12 18:29:36.475 INFO kablam!    |         |
Oct 12 18:29:36.475 INFO kablam!    |         help: remove this `mut`
Oct 12 18:29:36.476 INFO kablam!    |
Oct 12 18:29:36.476 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:29:36.476 INFO kablam! 
Oct 12 18:29:36.488 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:29:36.488 INFO kablam!   --> src/decode.rs:46:9
Oct 12 18:29:36.488 INFO kablam!    |
Oct 12 18:29:36.488 INFO kablam! 46 |     let mut header = body.next().expect("empty body");
Oct 12 18:29:36.488 INFO kablam!    |         ----^^^^^^
Oct 12 18:29:36.488 INFO kablam!    |         |
Oct 12 18:29:36.488 INFO kablam!    |         help: remove this `mut`
Oct 12 18:29:36.499 INFO kablam! 
Oct 12 18:29:36.509 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:29:36.509 INFO kablam!   --> src/main.rs:22:5
Oct 12 18:29:36.509 INFO kablam!    |
Oct 12 18:29:36.509 INFO kablam! 22 |     test.write(&decode_file("out.png"));
Oct 12 18:29:36.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.509 INFO kablam!    |
Oct 12 18:29:36.510 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 18:29:36.510 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:29:36.510 INFO kablam! 
Oct 12 18:29:36.510 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 18:29:36.510 INFO kablam!   --> src/main.rs:30:5
Oct 12 18:29:36.510 INFO kablam!    |
Oct 12 18:29:36.510 INFO kablam! 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Oct 12 18:29:36.510 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 18:29:36.510 INFO kablam!    |
Oct 12 18:29:36.512 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 18:29:36.512 INFO kablam! 
Oct 12 18:29:36.563 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.78s
Oct 12 18:29:36.572 INFO kablam! su: No module specific data is present
Oct 12 18:29:37.721 INFO running `"docker" "rm" "-f" "a4c94b521323f52eaa28937fda447b4f7d86fd1ee84b06c2390ae7ff8111680c"`
Oct 12 18:29:38.004 INFO blam! a4c94b521323f52eaa28937fda447b4f7d86fd1ee84b06c2390ae7ff8111680c