Oct 27 08:50:13.438 INFO checking adolfosilva/vcrust against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 08:50:13.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 08:50:13.916 INFO blam! 96d210407a469c95b769373a38a7789e838d176d997e7233be9efaaa79ad1871
Oct 27 08:50:13.918 INFO running `"docker" "start" "-a" "96d210407a469c95b769373a38a7789e838d176d997e7233be9efaaa79ad1871"`
Oct 27 08:50:15.943 INFO kablam! usermod: no changes
Oct 27 08:50:16.040 INFO kablam!    Compiling gcc v0.3.44
Oct 27 08:50:18.932 INFO kablam!    Compiling vcrust v0.1.0 (/source)
Oct 27 08:50:20.791 INFO kablam! warning: unused import: `std::iter::repeat`
Oct 27 08:50:20.791 INFO kablam!  --> src/ops.rs:1:5
Oct 27 08:50:20.791 INFO kablam!   |
Oct 27 08:50:20.791 INFO kablam! 1 | use std::iter::repeat;
Oct 27 08:50:20.791 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 27 08:50:20.791 INFO kablam!   |
Oct 27 08:50:20.791 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 08:50:20.791 INFO kablam! 
Oct 27 08:50:20.791 INFO kablam! warning: unused import: `ImageType`
Oct 27 08:50:20.791 INFO kablam!  --> src/ops.rs:2:20
Oct 27 08:50:20.791 INFO kablam!   |
Oct 27 08:50:20.791 INFO kablam! 2 | use image::{Image, ImageType, Channel};
Oct 27 08:50:20.791 INFO kablam!   |                    ^^^^^^^^^
Oct 27 08:50:20.791 INFO kablam! 
Oct 27 08:50:21.035 INFO kablam! warning: variable does not need to be mutable
Oct 27 08:50:21.035 INFO kablam!    --> src/image.rs:263:13
Oct 27 08:50:21.035 INFO kablam!     |
Oct 27 08:50:21.035 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Oct 27 08:50:21.035 INFO kablam!     |             ----^^^^
Oct 27 08:50:21.035 INFO kablam!     |             |
Oct 27 08:50:21.035 INFO kablam!     |             help: remove this `mut`
Oct 27 08:50:21.035 INFO kablam!     |
Oct 27 08:50:21.035 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 08:50:21.035 INFO kablam! 
Oct 27 08:50:21.063 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 08:50:21.063 INFO kablam!    --> src/image.rs:295:9
Oct 27 08:50:21.063 INFO kablam!     |
Oct 27 08:50:21.063 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Oct 27 08:50:21.063 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 08:50:21.063 INFO kablam!     |
Oct 27 08:50:21.063 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 08:50:21.063 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 08:50:21.063 INFO kablam! 
Oct 27 08:50:21.187 INFO kablam! warning: variable does not need to be mutable
Oct 27 08:50:21.187 INFO kablam!    --> src/image.rs:263:13
Oct 27 08:50:21.187 INFO kablam!     |
Oct 27 08:50:21.187 INFO kablam! 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Oct 27 08:50:21.187 INFO kablam!     |             ----^^^^
Oct 27 08:50:21.187 INFO kablam!     |             |
Oct 27 08:50:21.187 INFO kablam!     |             help: remove this `mut`
Oct 27 08:50:21.187 INFO kablam!     |
Oct 27 08:50:21.187 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 27 08:50:21.187 INFO kablam! 
Oct 27 08:50:21.223 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Oct 27 08:50:21.223 INFO kablam!    --> src/image.rs:295:9
Oct 27 08:50:21.223 INFO kablam!     |
Oct 27 08:50:21.223 INFO kablam! 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Oct 27 08:50:21.223 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 08:50:21.223 INFO kablam!     |
Oct 27 08:50:21.223 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 08:50:21.223 INFO kablam!     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Oct 27 08:50:21.223 INFO kablam! 
Oct 27 08:50:21.223 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 27 08:50:21.223 INFO kablam!    --> src/image.rs:429:5
Oct 27 08:50:21.223 INFO kablam!     |
Oct 27 08:50:21.223 INFO kablam! 429 |     img.write("image/barbara2.pgm");
Oct 27 08:50:21.223 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 08:50:21.223 INFO kablam!     |
Oct 27 08:50:21.223 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 27 08:50:21.223 INFO kablam! 
Oct 27 08:50:21.279 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
Oct 27 08:50:21.279 INFO kablam! su: No module specific data is present
Oct 27 08:50:22.251 INFO running `"docker" "rm" "-f" "96d210407a469c95b769373a38a7789e838d176d997e7233be9efaaa79ad1871"`
Oct 27 08:50:22.516 INFO blam! 96d210407a469c95b769373a38a7789e838d176d997e7233be9efaaa79ad1871