Oct 13 01:41:37.849 INFO checking adolfosilva/vcrust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:41:37.849 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/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 13 01:41:38.332 INFO blam! d5da2107a388cddf00e8a00562eee00ae90783323241d065cfb6fc0904357c6e
Oct 13 01:41:38.333 INFO running `"docker" "start" "-a" "d5da2107a388cddf00e8a00562eee00ae90783323241d065cfb6fc0904357c6e"`
Oct 13 01:41:39.693 INFO kablam! usermod: no changes
Oct 13 01:41:39.824 INFO kablam!    Compiling gcc v0.3.44
Oct 13 01:41:42.157 INFO kablam!    Compiling vcrust v0.1.0 (/source)
Oct 13 01:41:44.339 INFO kablam! warning: unused import: `std::iter::repeat`
Oct 13 01:41:44.339 INFO kablam!  --> src/ops.rs:1:5
Oct 13 01:41:44.339 INFO kablam!   |
Oct 13 01:41:44.339 INFO kablam! 1 | use std::iter::repeat;
Oct 13 01:41:44.339 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 13 01:41:44.340 INFO kablam!   |
Oct 13 01:41:44.341 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 01:41:44.341 INFO kablam! 
Oct 13 01:41:44.342 INFO kablam! warning: unused import: `ImageType`
Oct 13 01:41:44.342 INFO kablam!  --> src/ops.rs:2:20
Oct 13 01:41:44.342 INFO kablam!   |
Oct 13 01:41:44.343 INFO kablam! 2 | use image::{Image, ImageType, Channel};
Oct 13 01:41:44.343 INFO kablam!   |                    ^^^^^^^^^
Oct 13 01:41:44.343 INFO kablam! 
Oct 13 01:41:44.736 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:41:44.737 INFO kablam!    --> src/image.rs:263:13
Oct 13 01:41:44.738 INFO kablam!     |
Oct 13 01:41:44.738 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Oct 13 01:41:44.739 INFO kablam!     |             ----^^^^
Oct 13 01:41:44.739 INFO kablam!     |             |
Oct 13 01:41:44.744 INFO kablam!     |             help: remove this `mut`
Oct 13 01:41:44.744 INFO kablam!     |
Oct 13 01:41:44.744 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 01:41:44.744 INFO kablam! 
Oct 13 01:41:44.768 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 01:41:44.769 INFO kablam!    --> src/image.rs:295:9
Oct 13 01:41:44.770 INFO kablam!     |
Oct 13 01:41:44.770 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Oct 13 01:41:44.771 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:41:44.771 INFO kablam!     |
Oct 13 01:41:44.771 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 01:41:44.771 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 01:41:44.771 INFO kablam! 
Oct 13 01:41:45.063 INFO kablam! warning: variable does not need to be mutable
Oct 13 01:41:45.063 INFO kablam!    --> src/image.rs:263:13
Oct 13 01:41:45.063 INFO kablam!     |
Oct 13 01:41:45.063 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Oct 13 01:41:45.063 INFO kablam!     |             ----^^^^
Oct 13 01:41:45.063 INFO kablam!     |             |
Oct 13 01:41:45.063 INFO kablam!     |             help: remove this `mut`
Oct 13 01:41:45.063 INFO kablam!     |
Oct 13 01:41:45.065 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 01:41:45.065 INFO kablam! 
Oct 13 01:41:45.095 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` which must be used
Oct 13 01:41:45.095 INFO kablam!    --> src/image.rs:295:9
Oct 13 01:41:45.095 INFO kablam!     |
Oct 13 01:41:45.095 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Oct 13 01:41:45.095 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:41:45.095 INFO kablam!     |
Oct 13 01:41:45.095 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 01:41:45.095 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 13 01:41:45.095 INFO kablam! 
Oct 13 01:41:45.098 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 01:41:45.098 INFO kablam!    --> src/image.rs:429:5
Oct 13 01:41:45.098 INFO kablam!     |
Oct 13 01:41:45.098 INFO kablam! 429 |     img.write("image/barbara2.pgm");
Oct 13 01:41:45.098 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:41:45.098 INFO kablam!     |
Oct 13 01:41:45.098 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 01:41:45.098 INFO kablam! 
Oct 13 01:41:45.133 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
Oct 13 01:41:45.136 INFO kablam! su: No module specific data is present
Oct 13 01:41:46.420 INFO running `"docker" "rm" "-f" "d5da2107a388cddf00e8a00562eee00ae90783323241d065cfb6fc0904357c6e"`
Oct 13 01:41:46.716 INFO blam! d5da2107a388cddf00e8a00562eee00ae90783323241d065cfb6fc0904357c6e