Dec 18 11:47:17.565 INFO checking rust-image-to-ascii-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:47:17.566 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rust-image-to-ascii/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:47:17.758 INFO [stdout] 7f6167a430b3646e751be25ac661dd8a68a255a36908c0ab0a0a5a544db79cea
Dec 18 11:47:17.761 INFO running `"docker" "start" "-a" "7f6167a430b3646e751be25ac661dd8a68a255a36908c0ab0a0a5a544db79cea"`
Dec 18 11:47:18.760 INFO [stderr]     Checking image v0.10.4
Dec 18 11:47:20.819 INFO [stderr]     Checking raster v0.2.0
Dec 18 11:47:21.647 INFO [stderr]     Checking rust-image-to-ascii v0.1.0 (/opt/crater/workdir)
Dec 18 11:47:23.456 INFO [stderr] warning: unused import: `raster::Image`
Dec 18 11:47:23.456 INFO [stderr]  --> src/main.rs:4:5
Dec 18 11:47:23.456 INFO [stderr]   |
Dec 18 11:47:23.456 INFO [stderr] 4 | use raster::Image;
Dec 18 11:47:23.456 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 11:47:23.456 INFO [stderr]   |
Dec 18 11:47:23.456 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:47:23.456 INFO [stderr] 
Dec 18 11:47:23.456 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 11:47:23.456 INFO [stderr]   --> src/main.rs:57:8
Dec 18 11:47:23.456 INFO [stderr]    |
Dec 18 11:47:23.456 INFO [stderr] 57 |     if (type_str == "image/jpeg") {
Dec 18 11:47:23.456 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 11:47:23.456 INFO [stderr]    |
Dec 18 11:47:23.456 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 11:47:23.456 INFO [stderr] 
Dec 18 11:47:23.456 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 11:47:23.456 INFO [stderr]   --> src/main.rs:61:8
Dec 18 11:47:23.456 INFO [stderr]    |
Dec 18 11:47:23.456 INFO [stderr] 61 |     if (type_str == "image/png") {
Dec 18 11:47:23.456 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 11:47:23.456 INFO [stderr] 
Dec 18 11:47:23.592 INFO [stderr] warning: unused variable: `i`
Dec 18 11:47:23.592 INFO [stderr]   --> src/main.rs:86:9
Dec 18 11:47:23.592 INFO [stderr]    |
Dec 18 11:47:23.592 INFO [stderr] 86 |     for i in 0..size {
Dec 18 11:47:23.592 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 11:47:23.592 INFO [stderr]    |
Dec 18 11:47:23.592 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 11:47:23.592 INFO [stderr] 
Dec 18 11:47:23.592 INFO [stderr] warning: unused variable: `i`
Dec 18 11:47:23.592 INFO [stderr]    --> src/main.rs:138:9
Dec 18 11:47:23.592 INFO [stderr]     |
Dec 18 11:47:23.592 INFO [stderr] 138 |     for i in 0..max_size {
Dec 18 11:47:23.592 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 18 11:47:23.592 INFO [stderr] 
Dec 18 11:47:23.608 INFO [stderr] warning: unused import: `raster::Image`
Dec 18 11:47:23.608 INFO [stderr]  --> src/main.rs:4:5
Dec 18 11:47:23.608 INFO [stderr]   |
Dec 18 11:47:23.609 INFO [stderr] 4 | use raster::Image;
Dec 18 11:47:23.609 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 18 11:47:23.609 INFO [stderr]   |
Dec 18 11:47:23.609 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:47:23.609 INFO [stderr] 
Dec 18 11:47:23.609 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 11:47:23.609 INFO [stderr]   --> src/main.rs:57:8
Dec 18 11:47:23.609 INFO [stderr]    |
Dec 18 11:47:23.609 INFO [stderr] 57 |     if (type_str == "image/jpeg") {
Dec 18 11:47:23.610 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 11:47:23.610 INFO [stderr]    |
Dec 18 11:47:23.610 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 11:47:23.616 INFO [stderr] 
Dec 18 11:47:23.616 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:23.616 INFO [stderr]   --> src/main.rs:90:9
Dec 18 11:47:23.616 INFO [stderr]    |
Dec 18 11:47:23.616 INFO [stderr] 90 |     let mut chars_s = " .-:*+=%@#";
Dec 18 11:47:23.616 INFO [stderr]    |         ----^^^^^^^
Dec 18 11:47:23.616 INFO [stderr]    |         |
Dec 18 11:47:23.616 INFO [stderr]    |         help: remove this `mut`
Dec 18 11:47:23.616 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 18 11:47:23.616 INFO [stderr]   --> src/main.rs:61:8
Dec 18 11:47:23.616 INFO [stderr]    |
Dec 18 11:47:23.616 INFO [stderr] 61 |     if (type_str == "image/png") {
Dec 18 11:47:23.616 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 11:47:23.616 INFO [stderr] 
Dec 18 11:47:23.616 INFO [stderr]    |
Dec 18 11:47:23.616 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:47:23.616 INFO [stderr] 
Dec 18 11:47:23.616 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:23.616 INFO [stderr]   --> src/main.rs:91:9
Dec 18 11:47:23.616 INFO [stderr]    |
Dec 18 11:47:23.617 INFO [stderr] 91 |     let mut chars = chars_s.chars();
Dec 18 11:47:23.617 INFO [stderr]    |         ----^^^^^
Dec 18 11:47:23.617 INFO [stderr]    |         |
Dec 18 11:47:23.617 INFO [stderr]    |         help: remove this `mut`
Dec 18 11:47:23.617 INFO [stderr] 
Dec 18 11:47:23.617 INFO [stderr] warning: function is never used: `test_save`
Dec 18 11:47:23.617 INFO [stderr]    --> src/main.rs:117:1
Dec 18 11:47:23.617 INFO [stderr]     |
Dec 18 11:47:23.617 INFO [stderr] 117 | fn test_save(avg: Vec<Vec<i32>>, size: i32)
Dec 18 11:47:23.617 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.617 INFO [stderr]     |
Dec 18 11:47:23.617 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 11:47:23.617 INFO [stderr] 
Dec 18 11:47:23.618 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:47:23.618 INFO [stderr]   --> src/main.rs:78:5
Dec 18 11:47:23.618 INFO [stderr]    |
Dec 18 11:47:23.618 INFO [stderr] 78 |     file.write_all(&buf[..]);
Dec 18 11:47:23.618 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.618 INFO [stderr]    |
Dec 18 11:47:23.618 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:47:23.618 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:47:23.619 INFO [stderr] 
Dec 18 11:47:23.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:47:23.619 INFO [stderr]    --> src/main.rs:122:13
Dec 18 11:47:23.619 INFO [stderr]     |
Dec 18 11:47:23.619 INFO [stderr] 122 |             image.set_pixel(row, col, Color {r: 0, g: 0, b: 0, a: avg[(size - row - 1) as usize][(size - col - 1) as usize] as u8});
Dec 18 11:47:23.619 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.619 INFO [stderr]     |
Dec 18 11:47:23.619 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:47:23.619 INFO [stderr] 
Dec 18 11:47:23.619 INFO [stderr] warning: variable `imageLocation` should have a snake case name such as `image_location`
Dec 18 11:47:23.619 INFO [stderr]    --> src/main.rs:128:12
Dec 18 11:47:23.619 INFO [stderr]     |
Dec 18 11:47:23.619 INFO [stderr] 128 | fn process(imageLocation: &String)
Dec 18 11:47:23.619 INFO [stderr]     |            ^^^^^^^^^^^^^
Dec 18 11:47:23.619 INFO [stderr]     |
Dec 18 11:47:23.619 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 11:47:23.619 INFO [stderr] 
Dec 18 11:47:23.756 INFO [stderr] warning: unused variable: `i`
Dec 18 11:47:23.756 INFO [stderr]   --> src/main.rs:86:9
Dec 18 11:47:23.756 INFO [stderr]    |
Dec 18 11:47:23.756 INFO [stderr] 86 |     for i in 0..size {
Dec 18 11:47:23.756 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 18 11:47:23.756 INFO [stderr]    |
Dec 18 11:47:23.757 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 11:47:23.757 INFO [stderr] 
Dec 18 11:47:23.757 INFO [stderr] warning: unused variable: `i`
Dec 18 11:47:23.757 INFO [stderr]    --> src/main.rs:138:9
Dec 18 11:47:23.757 INFO [stderr]     |
Dec 18 11:47:23.757 INFO [stderr] 138 |     for i in 0..max_size {
Dec 18 11:47:23.757 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 18 11:47:23.757 INFO [stderr] 
Dec 18 11:47:23.777 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:23.777 INFO [stderr]   --> src/main.rs:90:9
Dec 18 11:47:23.777 INFO [stderr]    |
Dec 18 11:47:23.777 INFO [stderr] 90 |     let mut chars_s = " .-:*+=%@#";
Dec 18 11:47:23.777 INFO [stderr]    |         ----^^^^^^^
Dec 18 11:47:23.777 INFO [stderr]    |         |
Dec 18 11:47:23.777 INFO [stderr]    |         help: remove this `mut`
Dec 18 11:47:23.777 INFO [stderr]    |
Dec 18 11:47:23.777 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 11:47:23.777 INFO [stderr] 
Dec 18 11:47:23.777 INFO [stderr] warning: variable does not need to be mutable
Dec 18 11:47:23.777 INFO [stderr]   --> src/main.rs:91:9
Dec 18 11:47:23.777 INFO [stderr]    |
Dec 18 11:47:23.777 INFO [stderr] 91 |     let mut chars = chars_s.chars();
Dec 18 11:47:23.777 INFO [stderr]    |         ----^^^^^
Dec 18 11:47:23.777 INFO [stderr]    |         |
Dec 18 11:47:23.777 INFO [stderr]    |         help: remove this `mut`
Dec 18 11:47:23.777 INFO [stderr] 
Dec 18 11:47:23.783 INFO [stderr] warning: function is never used: `test_save`
Dec 18 11:47:23.783 INFO [stderr]    --> src/main.rs:117:1
Dec 18 11:47:23.783 INFO [stderr]     |
Dec 18 11:47:23.783 INFO [stderr] 117 | fn test_save(avg: Vec<Vec<i32>>, size: i32)
Dec 18 11:47:23.783 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.783 INFO [stderr]     |
Dec 18 11:47:23.783 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 11:47:23.783 INFO [stderr] 
Dec 18 11:47:23.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:47:23.784 INFO [stderr]   --> src/main.rs:78:5
Dec 18 11:47:23.784 INFO [stderr]    |
Dec 18 11:47:23.784 INFO [stderr] 78 |     file.write_all(&buf[..]);
Dec 18 11:47:23.784 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.784 INFO [stderr]    |
Dec 18 11:47:23.784 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:47:23.784 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:47:23.784 INFO [stderr] 
Dec 18 11:47:23.784 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 11:47:23.784 INFO [stderr]    --> src/main.rs:122:13
Dec 18 11:47:23.784 INFO [stderr]     |
Dec 18 11:47:23.784 INFO [stderr] 122 |             image.set_pixel(row, col, Color {r: 0, g: 0, b: 0, a: avg[(size - row - 1) as usize][(size - col - 1) as usize] as u8});
Dec 18 11:47:23.784 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:47:23.784 INFO [stderr]     |
Dec 18 11:47:23.784 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 11:47:23.784 INFO [stderr] 
Dec 18 11:47:23.784 INFO [stderr] warning: variable `imageLocation` should have a snake case name such as `image_location`
Dec 18 11:47:23.784 INFO [stderr]    --> src/main.rs:128:12
Dec 18 11:47:23.784 INFO [stderr]     |
Dec 18 11:47:23.784 INFO [stderr] 128 | fn process(imageLocation: &String)
Dec 18 11:47:23.784 INFO [stderr]     |            ^^^^^^^^^^^^^
Dec 18 11:47:23.784 INFO [stderr]     |
Dec 18 11:47:23.784 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 11:47:23.784 INFO [stderr] 
Dec 18 11:47:23.810 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
Dec 18 11:47:24.091 INFO running `"docker" "inspect" "7f6167a430b3646e751be25ac661dd8a68a255a36908c0ab0a0a5a544db79cea"`
Dec 18 11:47:24.171 INFO running `"docker" "rm" "-f" "7f6167a430b3646e751be25ac661dd8a68a255a36908c0ab0a0a5a544db79cea"`
Dec 18 11:47:24.275 INFO [stdout] 7f6167a430b3646e751be25ac661dd8a68a255a36908c0ab0a0a5a544db79cea