Nov 30 07:36:45.632 INFO checking adolfosilva/vcrust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 07:36:45.632 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 07:36:46.182 INFO [stdout] ebb4dde7d08baa5d30d85515e868e816f00bc98943b2a8043d71cb64c4eb13f5
Nov 30 07:36:46.184 INFO running `"docker" "start" "-a" "ebb4dde7d08baa5d30d85515e868e816f00bc98943b2a8043d71cb64c4eb13f5"`
Nov 30 07:36:47.488 INFO [stderr] usermod: no changes
Nov 30 07:36:47.571 INFO [stderr]    Compiling gcc v0.3.44
Nov 30 07:36:50.022 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Nov 30 07:36:51.614 INFO [stderr] warning: unused import: `std::iter::repeat`
Nov 30 07:36:51.614 INFO [stderr]  --> src/ops.rs:1:5
Nov 30 07:36:51.614 INFO [stderr]   |
Nov 30 07:36:51.614 INFO [stderr] 1 | use std::iter::repeat;
Nov 30 07:36:51.614 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Nov 30 07:36:51.614 INFO [stderr]   |
Nov 30 07:36:51.614 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:36:51.615 INFO [stderr] 
Nov 30 07:36:51.615 INFO [stderr] warning: unused import: `ImageType`
Nov 30 07:36:51.615 INFO [stderr]  --> src/ops.rs:2:20
Nov 30 07:36:51.615 INFO [stderr]   |
Nov 30 07:36:51.615 INFO [stderr] 2 | use image::{Image, ImageType, Channel};
Nov 30 07:36:51.615 INFO [stderr]   |                    ^^^^^^^^^
Nov 30 07:36:51.615 INFO [stderr] 
Nov 30 07:36:51.956 INFO [stderr] warning: variable does not need to be mutable
Nov 30 07:36:51.956 INFO [stderr]    --> src/image.rs:263:13
Nov 30 07:36:51.956 INFO [stderr]     |
Nov 30 07:36:51.956 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 30 07:36:51.956 INFO [stderr]     |             ----^^^^
Nov 30 07:36:51.956 INFO [stderr]     |             |
Nov 30 07:36:51.956 INFO [stderr]     |             help: remove this `mut`
Nov 30 07:36:51.956 INFO [stderr]     |
Nov 30 07:36:51.956 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 07:36:51.956 INFO [stderr] 
Nov 30 07:36:51.996 INFO [stderr] warning: variable does not need to be mutable
Nov 30 07:36:51.996 INFO [stderr]    --> src/image.rs:263:13
Nov 30 07:36:51.996 INFO [stderr]     |
Nov 30 07:36:51.996 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Nov 30 07:36:51.996 INFO [stderr]     |             ----^^^^
Nov 30 07:36:51.996 INFO [stderr]     |             |
Nov 30 07:36:51.996 INFO [stderr]     |             help: remove this `mut`
Nov 30 07:36:51.996 INFO [stderr]     |
Nov 30 07:36:51.996 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 07:36:51.996 INFO [stderr] 
Nov 30 07:36:52.002 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 07:36:52.002 INFO [stderr]    --> src/image.rs:295:9
Nov 30 07:36:52.002 INFO [stderr]     |
Nov 30 07:36:52.002 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 30 07:36:52.002 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 07:36:52.008 INFO [stderr]     |
Nov 30 07:36:52.008 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 07:36:52.008 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 07:36:52.008 INFO [stderr] 
Nov 30 07:36:52.032 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 30 07:36:52.032 INFO [stderr]    --> src/image.rs:295:9
Nov 30 07:36:52.032 INFO [stderr]     |
Nov 30 07:36:52.032 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Nov 30 07:36:52.032 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 07:36:52.032 INFO [stderr]     |
Nov 30 07:36:52.032 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 07:36:52.032 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 30 07:36:52.032 INFO [stderr] 
Nov 30 07:36:52.033 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 07:36:52.033 INFO [stderr]    --> src/image.rs:429:5
Nov 30 07:36:52.033 INFO [stderr]     |
Nov 30 07:36:52.033 INFO [stderr] 429 |     img.write("image/barbara2.pgm");
Nov 30 07:36:52.033 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 07:36:52.033 INFO [stderr]     |
Nov 30 07:36:52.033 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 07:36:52.033 INFO [stderr] 
Nov 30 07:36:52.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
Nov 30 07:36:52.059 INFO [stderr] su: No module specific data is present
Nov 30 07:36:53.228 INFO running `"docker" "inspect" "ebb4dde7d08baa5d30d85515e868e816f00bc98943b2a8043d71cb64c4eb13f5"`
Nov 30 07:36:53.460 INFO running `"docker" "rm" "-f" "ebb4dde7d08baa5d30d85515e868e816f00bc98943b2a8043d71cb64c4eb13f5"`
Nov 30 07:36:53.852 INFO [stdout] ebb4dde7d08baa5d30d85515e868e816f00bc98943b2a8043d71cb64c4eb13f5