Nov 09 09:53:26.060 INFO checking lesguillemets/effective-fortnight against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 09:53:26.060 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 09:53:26.499 INFO blam! 4f8378fbfe1c2a0a95767c6ad403a2e1b736318e5b375de31c2c93b9110baf83
Nov 09 09:53:26.504 INFO running `"docker" "start" "-a" "4f8378fbfe1c2a0a95767c6ad403a2e1b736318e5b375de31c2c93b9110baf83"`
Nov 09 09:53:27.807 INFO kablam! usermod: no changes
Nov 09 09:53:27.919 INFO kablam!     Checking image v0.12.3
Nov 09 09:53:32.266 INFO kablam!     Checking colourful-converter v0.1.0 (/source)
Nov 09 09:53:33.531 INFO kablam! warning: unused imports: `ColorType`, `Rgb`
Nov 09 09:53:33.531 INFO kablam!  --> src/decode.rs:4:13
Nov 09 09:53:33.531 INFO kablam!   |
Nov 09 09:53:33.531 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Nov 09 09:53:33.531 INFO kablam!   |             ^^^^^^^^^  ^^^
Nov 09 09:53:33.531 INFO kablam!   |
Nov 09 09:53:33.531 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 09:53:33.531 INFO kablam! 
Nov 09 09:53:33.539 INFO kablam! warning: doc comment not used by rustdoc
Nov 09 09:53:33.539 INFO kablam!   --> src/main.rs:19:5
Nov 09 09:53:33.539 INFO kablam!    |
Nov 09 09:53:33.539 INFO kablam! 19 |     /// decode the encoded file to validate
Nov 09 09:53:33.539 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:33.539 INFO kablam!    |
Nov 09 09:53:33.539 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Nov 09 09:53:33.539 INFO kablam! 
Nov 09 09:53:33.671 INFO kablam! warning: unused import: `GenericImage`
Nov 09 09:53:33.671 INFO kablam!  --> src/decode.rs:3:13
Nov 09 09:53:33.671 INFO kablam!   |
Nov 09 09:53:33.671 INFO kablam! 3 | use image::{GenericImage, ImageDecoder};
Nov 09 09:53:33.671 INFO kablam!   |             ^^^^^^^^^^^^
Nov 09 09:53:33.671 INFO kablam! 
Nov 09 09:53:33.671 INFO kablam! warning: unused import: `Pixel`
Nov 09 09:53:33.671 INFO kablam!  --> src/decode.rs:4:29
Nov 09 09:53:33.671 INFO kablam!   |
Nov 09 09:53:33.671 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Nov 09 09:53:33.671 INFO kablam!   |                             ^^^^^
Nov 09 09:53:33.671 INFO kablam! 
Nov 09 09:53:33.671 INFO kablam! warning: unused variable: `w`
Nov 09 09:53:33.671 INFO kablam!   --> src/decode.rs:11:10
Nov 09 09:53:33.671 INFO kablam!    |
Nov 09 09:53:33.671 INFO kablam! 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 09 09:53:33.671 INFO kablam!    |          ^ help: consider using `_w` instead
Nov 09 09:53:33.671 INFO kablam!    |
Nov 09 09:53:33.671 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 09:53:33.671 INFO kablam! 
Nov 09 09:53:33.671 INFO kablam! warning: unused variable: `i`
Nov 09 09:53:33.671 INFO kablam!   --> src/decode.rs:73:60
Nov 09 09:53:33.671 INFO kablam!    |
Nov 09 09:53:33.671 INFO kablam! 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 09 09:53:33.671 INFO kablam!    |                                                            ^ help: consider using `_i` instead
Nov 09 09:53:33.671 INFO kablam! 
Nov 09 09:53:33.683 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:53:33.683 INFO kablam!   --> src/main.rs:29:9
Nov 09 09:53:33.683 INFO kablam!    |
Nov 09 09:53:33.683 INFO kablam! 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 09 09:53:33.683 INFO kablam!    |         ----^^^^
Nov 09 09:53:33.683 INFO kablam!    |         |
Nov 09 09:53:33.683 INFO kablam!    |         help: remove this `mut`
Nov 09 09:53:33.683 INFO kablam!    |
Nov 09 09:53:33.683 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 09:53:33.683 INFO kablam! 
Nov 09 09:53:33.707 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:53:33.707 INFO kablam!   --> src/decode.rs:46:9
Nov 09 09:53:33.707 INFO kablam!    |
Nov 09 09:53:33.707 INFO kablam! 46 |     let mut header = body.next().expect("empty body");
Nov 09 09:53:33.707 INFO kablam!    |         ----^^^^^^
Nov 09 09:53:33.707 INFO kablam!    |         |
Nov 09 09:53:33.707 INFO kablam!    |         help: remove this `mut`
Nov 09 09:53:33.707 INFO kablam! 
Nov 09 09:53:33.719 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:53:33.719 INFO kablam!   --> src/main.rs:22:5
Nov 09 09:53:33.719 INFO kablam!    |
Nov 09 09:53:33.719 INFO kablam! 22 |     test.write(&decode_file("out.png"));
Nov 09 09:53:33.719 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:33.719 INFO kablam!    |
Nov 09 09:53:33.719 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 09:53:33.719 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:53:33.719 INFO kablam! 
Nov 09 09:53:33.719 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:53:33.719 INFO kablam!   --> src/main.rs:30:5
Nov 09 09:53:33.719 INFO kablam!    |
Nov 09 09:53:33.719 INFO kablam! 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 09 09:53:33.719 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:33.719 INFO kablam!    |
Nov 09 09:53:33.719 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:53:33.719 INFO kablam! 
Nov 09 09:53:33.771 INFO kablam! warning: unused imports: `ColorType`, `Rgb`
Nov 09 09:53:33.771 INFO kablam!  --> src/decode.rs:4:13
Nov 09 09:53:33.771 INFO kablam!   |
Nov 09 09:53:33.771 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Nov 09 09:53:33.771 INFO kablam!   |             ^^^^^^^^^  ^^^
Nov 09 09:53:33.771 INFO kablam!   |
Nov 09 09:53:33.771 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 09:53:33.771 INFO kablam! 
Nov 09 09:53:33.771 INFO kablam! warning: doc comment not used by rustdoc
Nov 09 09:53:33.771 INFO kablam!   --> src/main.rs:19:5
Nov 09 09:53:33.771 INFO kablam!    |
Nov 09 09:53:33.771 INFO kablam! 19 |     /// decode the encoded file to validate
Nov 09 09:53:33.771 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:33.771 INFO kablam!    |
Nov 09 09:53:33.771 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Nov 09 09:53:33.771 INFO kablam! 
Nov 09 09:53:33.931 INFO kablam! warning: unused import: `GenericImage`
Nov 09 09:53:33.931 INFO kablam!  --> src/decode.rs:3:13
Nov 09 09:53:33.931 INFO kablam!   |
Nov 09 09:53:33.931 INFO kablam! 3 | use image::{GenericImage, ImageDecoder};
Nov 09 09:53:33.931 INFO kablam!   |             ^^^^^^^^^^^^
Nov 09 09:53:33.931 INFO kablam! 
Nov 09 09:53:33.931 INFO kablam! warning: unused import: `Pixel`
Nov 09 09:53:33.931 INFO kablam!  --> src/decode.rs:4:29
Nov 09 09:53:33.931 INFO kablam!   |
Nov 09 09:53:33.931 INFO kablam! 4 | use image::{ColorType, Rgb, Pixel};
Nov 09 09:53:33.931 INFO kablam!   |                             ^^^^^
Nov 09 09:53:33.931 INFO kablam! 
Nov 09 09:53:33.947 INFO kablam! warning: unused variable: `w`
Nov 09 09:53:33.947 INFO kablam!   --> src/decode.rs:11:10
Nov 09 09:53:33.947 INFO kablam!    |
Nov 09 09:53:33.947 INFO kablam! 11 |     let (w, h) = decoder.dimensions().expect("cannot get file dimensions");
Nov 09 09:53:33.947 INFO kablam!    |          ^ help: consider using `_w` instead
Nov 09 09:53:33.948 INFO kablam!    |
Nov 09 09:53:33.948 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 09 09:53:33.948 INFO kablam! 
Nov 09 09:53:33.948 INFO kablam! warning: unused variable: `i`
Nov 09 09:53:33.948 INFO kablam!   --> src/decode.rs:73:60
Nov 09 09:53:33.948 INFO kablam!    |
Nov 09 09:53:33.948 INFO kablam! 73 |     let mut x = header.chunks(3).enumerate().skip_while(|&(i, p)| is_empty(p));
Nov 09 09:53:33.948 INFO kablam!    |                                                            ^ help: consider using `_i` instead
Nov 09 09:53:33.948 INFO kablam! 
Nov 09 09:53:33.958 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:53:33.958 INFO kablam!   --> src/main.rs:29:9
Nov 09 09:53:33.958 INFO kablam!    |
Nov 09 09:53:33.958 INFO kablam! 29 |     let mut outf = &mut File::create(&Path::new(to_file)).expect("fileerror");
Nov 09 09:53:33.958 INFO kablam!    |         ----^^^^
Nov 09 09:53:33.958 INFO kablam!    |         |
Nov 09 09:53:33.958 INFO kablam!    |         help: remove this `mut`
Nov 09 09:53:33.958 INFO kablam!    |
Nov 09 09:53:33.958 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 09:53:33.958 INFO kablam! 
Nov 09 09:53:33.990 INFO kablam! warning: variable does not need to be mutable
Nov 09 09:53:33.990 INFO kablam!   --> src/decode.rs:46:9
Nov 09 09:53:33.990 INFO kablam!    |
Nov 09 09:53:33.990 INFO kablam! 46 |     let mut header = body.next().expect("empty body");
Nov 09 09:53:33.990 INFO kablam!    |         ----^^^^^^
Nov 09 09:53:33.990 INFO kablam!    |         |
Nov 09 09:53:33.990 INFO kablam!    |         help: remove this `mut`
Nov 09 09:53:33.990 INFO kablam! 
Nov 09 09:53:34.004 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:53:34.004 INFO kablam!   --> src/main.rs:22:5
Nov 09 09:53:34.004 INFO kablam!    |
Nov 09 09:53:34.004 INFO kablam! 22 |     test.write(&decode_file("out.png"));
Nov 09 09:53:34.004 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:34.004 INFO kablam!    |
Nov 09 09:53:34.004 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 09:53:34.004 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:53:34.004 INFO kablam! 
Nov 09 09:53:34.004 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 09:53:34.005 INFO kablam!   --> src/main.rs:30:5
Nov 09 09:53:34.005 INFO kablam!    |
Nov 09 09:53:34.005 INFO kablam! 30 |     image::ImageRgb8(imgbuf).save(outf, image::PNG);
Nov 09 09:53:34.005 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 09:53:34.005 INFO kablam!    |
Nov 09 09:53:34.005 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 09:53:34.005 INFO kablam! 
Nov 09 09:53:34.059 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
Nov 09 09:53:34.067 INFO kablam! su: No module specific data is present
Nov 09 09:53:34.694 INFO running `"docker" "rm" "-f" "4f8378fbfe1c2a0a95767c6ad403a2e1b736318e5b375de31c2c93b9110baf83"`
Nov 09 09:53:35.030 INFO blam! 4f8378fbfe1c2a0a95767c6ad403a2e1b736318e5b375de31c2c93b9110baf83