Nov 01 09:10:52.982 INFO checking adolfosilva/vcrust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 09:10:52.984 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 09:10:53.423 INFO blam! d93adb66a1ba0bd7945b3823c28a6b25d65c7713640eb7cf5eb0b9b19fd569ad
Nov 01 09:10:53.425 INFO running `"docker" "start" "-a" "d93adb66a1ba0bd7945b3823c28a6b25d65c7713640eb7cf5eb0b9b19fd569ad"`
Nov 01 09:10:55.196 INFO kablam! usermod: no changes
Nov 01 09:10:55.325 INFO kablam!    Compiling gcc v0.3.44
Nov 01 09:10:57.891 INFO kablam!    Compiling vcrust v0.1.0 (/source)
Nov 01 09:10:59.766 INFO kablam! warning: unused import: `std::iter::repeat`
Nov 01 09:10:59.766 INFO kablam!  --> src/ops.rs:1:5
Nov 01 09:10:59.766 INFO kablam!   |
Nov 01 09:10:59.766 INFO kablam! 1 | use std::iter::repeat;
Nov 01 09:10:59.766 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 01 09:10:59.766 INFO kablam!   |
Nov 01 09:10:59.766 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 09:10:59.767 INFO kablam! 
Nov 01 09:10:59.767 INFO kablam! warning: unused import: `ImageType`
Nov 01 09:10:59.767 INFO kablam!  --> src/ops.rs:2:20
Nov 01 09:10:59.767 INFO kablam!   |
Nov 01 09:10:59.767 INFO kablam! 2 | use image::{Image, ImageType, Channel};
Nov 01 09:10:59.767 INFO kablam!   |                    ^^^^^^^^^
Nov 01 09:10:59.767 INFO kablam! 
Nov 01 09:11:00.132 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:11:00.132 INFO kablam!    --> src/image.rs:263:13
Nov 01 09:11:00.132 INFO kablam!     |
Nov 01 09:11:00.132 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 01 09:11:00.132 INFO kablam!     |             ----^^^^
Nov 01 09:11:00.132 INFO kablam!     |             |
Nov 01 09:11:00.132 INFO kablam!     |             help: remove this `mut`
Nov 01 09:11:00.132 INFO kablam!     |
Nov 01 09:11:00.132 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 09:11:00.132 INFO kablam! 
Nov 01 09:11:00.158 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 09:11:00.158 INFO kablam!    --> src/image.rs:295:9
Nov 01 09:11:00.158 INFO kablam!     |
Nov 01 09:11:00.158 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 01 09:11:00.158 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:11:00.158 INFO kablam!     |
Nov 01 09:11:00.159 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 09:11:00.159 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 09:11:00.159 INFO kablam! 
Nov 01 09:11:00.224 INFO kablam! warning: variable does not need to be mutable
Nov 01 09:11:00.225 INFO kablam!    --> src/image.rs:263:13
Nov 01 09:11:00.225 INFO kablam!     |
Nov 01 09:11:00.225 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 01 09:11:00.225 INFO kablam!     |             ----^^^^
Nov 01 09:11:00.225 INFO kablam!     |             |
Nov 01 09:11:00.225 INFO kablam!     |             help: remove this `mut`
Nov 01 09:11:00.226 INFO kablam!     |
Nov 01 09:11:00.226 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 01 09:11:00.226 INFO kablam! 
Nov 01 09:11:00.264 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 01 09:11:00.264 INFO kablam!    --> src/image.rs:295:9
Nov 01 09:11:00.264 INFO kablam!     |
Nov 01 09:11:00.264 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 01 09:11:00.264 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:11:00.264 INFO kablam!     |
Nov 01 09:11:00.264 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 09:11:00.264 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 01 09:11:00.264 INFO kablam! 
Nov 01 09:11:00.268 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 09:11:00.268 INFO kablam!    --> src/image.rs:429:5
Nov 01 09:11:00.268 INFO kablam!     |
Nov 01 09:11:00.268 INFO kablam! 429 |     img.write("image/barbara2.pgm");
Nov 01 09:11:00.268 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 09:11:00.268 INFO kablam!     |
Nov 01 09:11:00.268 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 09:11:00.269 INFO kablam! 
Nov 01 09:11:00.305 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
Nov 01 09:11:00.309 INFO kablam! su: No module specific data is present
Nov 01 09:11:00.660 INFO running `"docker" "rm" "-f" "d93adb66a1ba0bd7945b3823c28a6b25d65c7713640eb7cf5eb0b9b19fd569ad"`
Nov 01 09:11:00.788 INFO blam! d93adb66a1ba0bd7945b3823c28a6b25d65c7713640eb7cf5eb0b9b19fd569ad