Nov 02 18:42:22.236 INFO checking adolfosilva/vcrust against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 18:42:22.236 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 18:42:22.583 INFO blam! 1455c458ffaa4c9169f133ae6d3a0998856eaa21d0b4cdbafc3a3617dd4ba07e
Nov 02 18:42:22.585 INFO running `"docker" "start" "-a" "1455c458ffaa4c9169f133ae6d3a0998856eaa21d0b4cdbafc3a3617dd4ba07e"`
Nov 02 18:42:24.611 INFO kablam! usermod: no changes
Nov 02 18:42:24.740 INFO kablam!    Compiling gcc v0.3.44
Nov 02 18:42:27.083 INFO kablam!    Compiling vcrust v0.1.0 (/source)
Nov 02 18:42:28.304 INFO kablam! warning: unused import: `std::iter::repeat`
Nov 02 18:42:28.305 INFO kablam!  --> src/ops.rs:1:5
Nov 02 18:42:28.305 INFO kablam!   |
Nov 02 18:42:28.305 INFO kablam! 1 | use std::iter::repeat;
Nov 02 18:42:28.305 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 02 18:42:28.305 INFO kablam!   |
Nov 02 18:42:28.305 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 18:42:28.305 INFO kablam! 
Nov 02 18:42:28.305 INFO kablam! warning: unused import: `ImageType`
Nov 02 18:42:28.305 INFO kablam!  --> src/ops.rs:2:20
Nov 02 18:42:28.305 INFO kablam!   |
Nov 02 18:42:28.305 INFO kablam! 2 | use image::{Image, ImageType, Channel};
Nov 02 18:42:28.305 INFO kablam!   |                    ^^^^^^^^^
Nov 02 18:42:28.305 INFO kablam! 
Nov 02 18:42:28.520 INFO kablam! warning: variable does not need to be mutable
Nov 02 18:42:28.521 INFO kablam!    --> src/image.rs:263:13
Nov 02 18:42:28.521 INFO kablam!     |
Nov 02 18:42:28.524 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 02 18:42:28.524 INFO kablam!     |             ----^^^^
Nov 02 18:42:28.524 INFO kablam!     |             |
Nov 02 18:42:28.524 INFO kablam!     |             help: remove this `mut`
Nov 02 18:42:28.524 INFO kablam!     |
Nov 02 18:42:28.524 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 18:42:28.524 INFO kablam! 
Nov 02 18:42:28.524 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 18:42:28.524 INFO kablam!    --> src/image.rs:295:9
Nov 02 18:42:28.524 INFO kablam!     |
Nov 02 18:42:28.524 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 02 18:42:28.524 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 18:42:28.524 INFO kablam!     |
Nov 02 18:42:28.524 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 18:42:28.524 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 18:42:28.524 INFO kablam! 
Nov 02 18:42:28.714 INFO kablam! warning: variable does not need to be mutable
Nov 02 18:42:28.714 INFO kablam!    --> src/image.rs:263:13
Nov 02 18:42:28.714 INFO kablam!     |
Nov 02 18:42:28.715 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 02 18:42:28.715 INFO kablam!     |             ----^^^^
Nov 02 18:42:28.715 INFO kablam!     |             |
Nov 02 18:42:28.716 INFO kablam!     |             help: remove this `mut`
Nov 02 18:42:28.716 INFO kablam!     |
Nov 02 18:42:28.716 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 18:42:28.717 INFO kablam! 
Nov 02 18:42:28.749 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 02 18:42:28.750 INFO kablam!    --> src/image.rs:295:9
Nov 02 18:42:28.750 INFO kablam!     |
Nov 02 18:42:28.750 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 02 18:42:28.751 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 18:42:28.751 INFO kablam!     |
Nov 02 18:42:28.751 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 02 18:42:28.751 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 02 18:42:28.752 INFO kablam! 
Nov 02 18:42:28.752 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 02 18:42:28.752 INFO kablam!    --> src/image.rs:429:5
Nov 02 18:42:28.753 INFO kablam!     |
Nov 02 18:42:28.753 INFO kablam! 429 |     img.write("image/barbara2.pgm");
Nov 02 18:42:28.753 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 18:42:28.754 INFO kablam!     |
Nov 02 18:42:28.754 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 02 18:42:28.754 INFO kablam! 
Nov 02 18:42:28.774 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
Nov 02 18:42:28.778 INFO kablam! su: No module specific data is present
Nov 02 18:42:29.095 INFO running `"docker" "rm" "-f" "1455c458ffaa4c9169f133ae6d3a0998856eaa21d0b4cdbafc3a3617dd4ba07e"`
Nov 02 18:42:29.368 INFO blam! 1455c458ffaa4c9169f133ae6d3a0998856eaa21d0b4cdbafc3a3617dd4ba07e