Dec 14 03:59:50.419 INFO testing adolfosilva/vcrust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 03:59:50.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 14 03:59:50.894 INFO [stdout] e3b8fbd5e9e666494328a3d04da142c6ccc4bd2edd87f7eb92adcd3ebd4df02c
Dec 14 03:59:50.897 INFO running `"docker" "start" "-a" "e3b8fbd5e9e666494328a3d04da142c6ccc4bd2edd87f7eb92adcd3ebd4df02c"`
Dec 14 03:59:52.244 INFO [stderr] usermod: no changes
Dec 14 03:59:52.311 INFO [stderr]    Compiling gcc v0.3.44
Dec 14 03:59:54.744 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 14 03:59:56.323 INFO [stderr] warning: unused import: `std::iter::repeat`
Dec 14 03:59:56.323 INFO [stderr]  --> src/ops.rs:1:5
Dec 14 03:59:56.323 INFO [stderr]   |
Dec 14 03:59:56.323 INFO [stderr] 1 | use std::iter::repeat;
Dec 14 03:59:56.323 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 14 03:59:56.323 INFO [stderr]   |
Dec 14 03:59:56.323 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:59:56.323 INFO [stderr] 
Dec 14 03:59:56.323 INFO [stderr] warning: unused import: `ImageType`
Dec 14 03:59:56.323 INFO [stderr]  --> src/ops.rs:2:20
Dec 14 03:59:56.323 INFO [stderr]   |
Dec 14 03:59:56.323 INFO [stderr] 2 | use image::{Image, ImageType, Channel};
Dec 14 03:59:56.323 INFO [stderr]   |                    ^^^^^^^^^
Dec 14 03:59:56.323 INFO [stderr] 
Dec 14 03:59:56.491 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:59:56.491 INFO [stderr]    --> src/image.rs:263:13
Dec 14 03:59:56.492 INFO [stderr]     |
Dec 14 03:59:56.492 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 14 03:59:56.492 INFO [stderr]     |             ----^^^^
Dec 14 03:59:56.492 INFO [stderr]     |             |
Dec 14 03:59:56.492 INFO [stderr]     |             help: remove this `mut`
Dec 14 03:59:56.492 INFO [stderr]     |
Dec 14 03:59:56.492 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 03:59:56.492 INFO [stderr] 
Dec 14 03:59:56.510 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 14 03:59:56.510 INFO [stderr]    --> src/image.rs:295:9
Dec 14 03:59:56.510 INFO [stderr]     |
Dec 14 03:59:56.510 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 14 03:59:56.510 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:59:56.510 INFO [stderr]     |
Dec 14 03:59:56.510 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 03:59:56.510 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 14 03:59:56.510 INFO [stderr] 
Dec 14 03:59:57.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
Dec 14 03:59:57.490 INFO [stderr] su: No module specific data is present
Dec 14 03:59:58.919 INFO running `"docker" "inspect" "e3b8fbd5e9e666494328a3d04da142c6ccc4bd2edd87f7eb92adcd3ebd4df02c"`
Dec 14 03:59:59.229 INFO running `"docker" "rm" "-f" "e3b8fbd5e9e666494328a3d04da142c6ccc4bd2edd87f7eb92adcd3ebd4df02c"`
Dec 14 03:59:59.560 INFO [stdout] e3b8fbd5e9e666494328a3d04da142c6ccc4bd2edd87f7eb92adcd3ebd4df02c
Dec 14 03:59:59.567 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 14 04:00:00.091 INFO [stdout] d4a7b21b9af0891dc509b413890f71d164bfe00bfbc20d1b809df7a524b336f3
Dec 14 04:00:00.093 INFO running `"docker" "start" "-a" "d4a7b21b9af0891dc509b413890f71d164bfe00bfbc20d1b809df7a524b336f3"`
Dec 14 04:00:01.955 INFO [stderr] usermod: no changes
Dec 14 04:00:02.059 INFO [stderr]    Compiling vcrust v0.1.0 (/source)
Dec 14 04:00:02.887 INFO [stderr] warning: variable does not need to be mutable
Dec 14 04:00:02.887 INFO [stderr]    --> src/image.rs:263:13
Dec 14 04:00:02.887 INFO [stderr]     |
Dec 14 04:00:02.887 INFO [stderr] 263 |         let mut bits = bytes.map(|b| b.unwrap()).collect::<Vec<u8>>();
Dec 14 04:00:02.887 INFO [stderr]     |             ----^^^^
Dec 14 04:00:02.887 INFO [stderr]     |             |
Dec 14 04:00:02.887 INFO [stderr]     |             help: remove this `mut`
Dec 14 04:00:02.887 INFO [stderr]     |
Dec 14 04:00:02.887 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 04:00:02.887 INFO [stderr] 
Dec 14 04:00:02.935 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 14 04:00:02.935 INFO [stderr]    --> src/image.rs:295:9
Dec 14 04:00:02.935 INFO [stderr]     |
Dec 14 04:00:02.935 INFO [stderr] 295 |         bytes.map(|b| b.unwrap()).take_while(|b| *b != b'\n').collect::<Vec<u8>>();
Dec 14 04:00:02.935 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:00:02.935 INFO [stderr]     |
Dec 14 04:00:02.935 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 04:00:02.935 INFO [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 14 04:00:02.935 INFO [stderr] 
Dec 14 04:00:02.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 04:00:02.935 INFO [stderr]    --> src/image.rs:429:5
Dec 14 04:00:02.935 INFO [stderr]     |
Dec 14 04:00:02.935 INFO [stderr] 429 |     img.write("image/barbara2.pgm");
Dec 14 04:00:02.935 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:00:02.935 INFO [stderr]     |
Dec 14 04:00:02.935 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 04:00:02.935 INFO [stderr] 
Dec 14 04:00:04.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 14 04:00:04.111 INFO [stderr] su: No module specific data is present
Dec 14 04:00:04.805 INFO running `"docker" "inspect" "d4a7b21b9af0891dc509b413890f71d164bfe00bfbc20d1b809df7a524b336f3"`
Dec 14 04:00:05.270 INFO running `"docker" "rm" "-f" "d4a7b21b9af0891dc509b413890f71d164bfe00bfbc20d1b809df7a524b336f3"`
Dec 14 04:00:05.502 INFO [stdout] d4a7b21b9af0891dc509b413890f71d164bfe00bfbc20d1b809df7a524b336f3