Nov 09 17:03:03.504 INFO checking adolfosilva/vcrust against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 17:03:03.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-2/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 17:03:04.149 INFO blam! 6da730e365b57474df948b01ca9fa63dcb553310bd7e1d177900998768c0295d
Nov 09 17:03:04.150 INFO running `"docker" "start" "-a" "6da730e365b57474df948b01ca9fa63dcb553310bd7e1d177900998768c0295d"`
Nov 09 17:03:05.847 INFO kablam! usermod: no changes
Nov 09 17:03:05.980 INFO kablam!    Compiling vcrust v0.1.0 (/source)
Nov 09 17:03:07.520 INFO kablam! warning: unused import: `std::iter::repeat`
Nov 09 17:03:07.521 INFO kablam!  --> src/ops.rs:1:5
Nov 09 17:03:07.521 INFO kablam!   |
Nov 09 17:03:07.521 INFO kablam! 1 | use std::iter::repeat;
Nov 09 17:03:07.522 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 09 17:03:07.522 INFO kablam!   |
Nov 09 17:03:07.522 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 09 17:03:07.522 INFO kablam! 
Nov 09 17:03:07.523 INFO kablam! warning: unused import: `ImageType`
Nov 09 17:03:07.523 INFO kablam!  --> src/ops.rs:2:20
Nov 09 17:03:07.523 INFO kablam!   |
Nov 09 17:03:07.523 INFO kablam! 2 | use image::{Image, ImageType, Channel};
Nov 09 17:03:07.524 INFO kablam!   |                    ^^^^^^^^^
Nov 09 17:03:07.524 INFO kablam! 
Nov 09 17:03:07.719 INFO kablam! warning: variable does not need to be mutable
Nov 09 17:03:07.719 INFO kablam!    --> src/image.rs:263:13
Nov 09 17:03:07.720 INFO kablam!     |
Nov 09 17:03:07.720 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 09 17:03:07.720 INFO kablam!     |             ----^^^^
Nov 09 17:03:07.720 INFO kablam!     |             |
Nov 09 17:03:07.721 INFO kablam!     |             help: remove this `mut`
Nov 09 17:03:07.721 INFO kablam!     |
Nov 09 17:03:07.721 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 17:03:07.722 INFO kablam! 
Nov 09 17:03:07.750 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 09 17:03:07.750 INFO kablam!    --> src/image.rs:295:9
Nov 09 17:03:07.750 INFO kablam!     |
Nov 09 17:03:07.751 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 09 17:03:07.751 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:03:07.751 INFO kablam!     |
Nov 09 17:03:07.751 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 17:03:07.751 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 09 17:03:07.751 INFO kablam! 
Nov 09 17:03:07.862 INFO kablam! warning: variable does not need to be mutable
Nov 09 17:03:07.862 INFO kablam!    --> src/image.rs:263:13
Nov 09 17:03:07.862 INFO kablam!     |
Nov 09 17:03:07.862 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 09 17:03:07.862 INFO kablam!     |             ----^^^^
Nov 09 17:03:07.862 INFO kablam!     |             |
Nov 09 17:03:07.862 INFO kablam!     |             help: remove this `mut`
Nov 09 17:03:07.862 INFO kablam!     |
Nov 09 17:03:07.862 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 09 17:03:07.862 INFO kablam! 
Nov 09 17:03:07.892 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 09 17:03:07.892 INFO kablam!    --> src/image.rs:295:9
Nov 09 17:03:07.892 INFO kablam!     |
Nov 09 17:03:07.892 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 09 17:03:07.892 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:03:07.892 INFO kablam!     |
Nov 09 17:03:07.892 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 09 17:03:07.892 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 09 17:03:07.892 INFO kablam! 
Nov 09 17:03:07.893 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 09 17:03:07.893 INFO kablam!    --> src/image.rs:429:5
Nov 09 17:03:07.893 INFO kablam!     |
Nov 09 17:03:07.893 INFO kablam! 429 |     img.write("image/barbara2.pgm");
Nov 09 17:03:07.893 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 09 17:03:07.893 INFO kablam!     |
Nov 09 17:03:07.893 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 09 17:03:07.893 INFO kablam! 
Nov 09 17:03:07.907 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
Nov 09 17:03:07.911 INFO kablam! su: No module specific data is present
Nov 09 17:03:08.187 INFO running `"docker" "rm" "-f" "6da730e365b57474df948b01ca9fa63dcb553310bd7e1d177900998768c0295d"`
Nov 09 17:03:08.307 INFO blam! 6da730e365b57474df948b01ca9fa63dcb553310bd7e1d177900998768c0295d