Dec 12 08:17:48.729 INFO checking rust-image-to-ascii-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 08:17:48.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 08:17:49.237 INFO [stdout] 47612eec0de5e99473ed0e731a27cea6fa2482e03d6b98ff0e9b706cccdc0578
Dec 12 08:17:49.243 INFO running `"docker" "start" "-a" "47612eec0de5e99473ed0e731a27cea6fa2482e03d6b98ff0e9b706cccdc0578"`
Dec 12 08:17:50.086 INFO [stderr] usermod: no changes
Dec 12 08:17:50.360 INFO [stderr]     Checking num-bigint v0.1.44
Dec 12 08:17:50.360 INFO [stderr]     Checking png v0.5.2
Dec 12 08:17:52.716 INFO [stderr]     Checking num-rational v0.1.42
Dec 12 08:17:53.809 INFO [stderr]     Checking image v0.10.4
Dec 12 08:17:57.413 INFO [stderr]     Checking raster v0.2.0
Dec 12 08:18:00.157 INFO [stderr]     Checking rust-image-to-ascii v0.1.0 (/source)
Dec 12 08:18:08.680 INFO [stderr] warning: unused import: `raster::Image`
Dec 12 08:18:08.680 INFO [stderr]  --> src/main.rs:4:5
Dec 12 08:18:08.680 INFO [stderr]   |
Dec 12 08:18:08.680 INFO [stderr] 4 | use raster::Image;
Dec 12 08:18:08.680 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 08:18:08.680 INFO [stderr]   |
Dec 12 08:18:08.680 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 08:18:08.680 INFO [stderr] 
Dec 12 08:18:08.680 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 08:18:08.680 INFO [stderr]   --> src/main.rs:57:8
Dec 12 08:18:08.680 INFO [stderr]    |
Dec 12 08:18:08.680 INFO [stderr] 57 |     if (type_str == "image/jpeg") {
Dec 12 08:18:08.680 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 08:18:08.680 INFO [stderr]    |
Dec 12 08:18:08.680 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 08:18:08.680 INFO [stderr] 
Dec 12 08:18:08.680 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 08:18:08.680 INFO [stderr]   --> src/main.rs:61:8
Dec 12 08:18:08.680 INFO [stderr]    |
Dec 12 08:18:08.680 INFO [stderr] 61 |     if (type_str == "image/png") {
Dec 12 08:18:08.680 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 08:18:08.680 INFO [stderr] 
Dec 12 08:18:08.796 INFO [stderr] warning: unused import: `raster::Image`
Dec 12 08:18:08.796 INFO [stderr]  --> src/main.rs:4:5
Dec 12 08:18:08.796 INFO [stderr]   |
Dec 12 08:18:08.796 INFO [stderr] 4 | use raster::Image;
Dec 12 08:18:08.796 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 12 08:18:08.796 INFO [stderr]   |
Dec 12 08:18:08.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 08:18:08.796 INFO [stderr] 
Dec 12 08:18:08.796 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 08:18:08.796 INFO [stderr]   --> src/main.rs:57:8
Dec 12 08:18:08.796 INFO [stderr]    |
Dec 12 08:18:08.796 INFO [stderr] 57 |     if (type_str == "image/jpeg") {
Dec 12 08:18:08.796 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 08:18:08.796 INFO [stderr]    |
Dec 12 08:18:08.796 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 08:18:08.796 INFO [stderr] 
Dec 12 08:18:08.796 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 08:18:08.796 INFO [stderr]   --> src/main.rs:61:8
Dec 12 08:18:08.796 INFO [stderr]    |
Dec 12 08:18:08.796 INFO [stderr] 61 |     if (type_str == "image/png") {
Dec 12 08:18:08.797 INFO [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 08:18:08.797 INFO [stderr] 
Dec 12 08:18:08.808 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:08.808 INFO [stderr]   --> src/main.rs:86:9
Dec 12 08:18:08.808 INFO [stderr]    |
Dec 12 08:18:08.808 INFO [stderr] 86 |     for i in 0..size {
Dec 12 08:18:08.808 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 12 08:18:08.808 INFO [stderr]    |
Dec 12 08:18:08.808 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 08:18:08.808 INFO [stderr] 
Dec 12 08:18:08.808 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:08.808 INFO [stderr]    --> src/main.rs:138:9
Dec 12 08:18:08.808 INFO [stderr]     |
Dec 12 08:18:08.808 INFO [stderr] 138 |     for i in 0..max_size {
Dec 12 08:18:08.808 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 12 08:18:08.808 INFO [stderr] 
Dec 12 08:18:08.824 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:18:08.824 INFO [stderr]   --> src/main.rs:90:9
Dec 12 08:18:08.824 INFO [stderr]    |
Dec 12 08:18:08.824 INFO [stderr] 90 |     let mut chars_s = " .-:*+=%@#";
Dec 12 08:18:08.824 INFO [stderr]    |         ----^^^^^^^
Dec 12 08:18:08.824 INFO [stderr]    |         |
Dec 12 08:18:08.824 INFO [stderr]    |         help: remove this `mut`
Dec 12 08:18:08.824 INFO [stderr]    |
Dec 12 08:18:08.824 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 08:18:08.824 INFO [stderr] 
Dec 12 08:18:08.825 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:18:08.825 INFO [stderr]   --> src/main.rs:91:9
Dec 12 08:18:08.825 INFO [stderr]    |
Dec 12 08:18:08.825 INFO [stderr] 91 |     let mut chars = chars_s.chars();
Dec 12 08:18:08.825 INFO [stderr]    |         ----^^^^^
Dec 12 08:18:08.825 INFO [stderr]    |         |
Dec 12 08:18:08.825 INFO [stderr]    |         help: remove this `mut`
Dec 12 08:18:08.825 INFO [stderr] 
Dec 12 08:18:08.831 INFO [stderr] warning: function is never used: `test_save`
Dec 12 08:18:08.831 INFO [stderr]    --> src/main.rs:117:1
Dec 12 08:18:08.831 INFO [stderr]     |
Dec 12 08:18:08.831 INFO [stderr] 117 | fn test_save(avg: Vec<Vec<i32>>, size: i32)
Dec 12 08:18:08.831 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.831 INFO [stderr]     |
Dec 12 08:18:08.831 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 08:18:08.831 INFO [stderr] 
Dec 12 08:18:08.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:08.832 INFO [stderr]   --> src/main.rs:78:5
Dec 12 08:18:08.832 INFO [stderr]    |
Dec 12 08:18:08.832 INFO [stderr] 78 |     file.write_all(&buf[..]);
Dec 12 08:18:08.832 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.832 INFO [stderr]    |
Dec 12 08:18:08.832 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 08:18:08.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:08.832 INFO [stderr] 
Dec 12 08:18:08.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:08.832 INFO [stderr]    --> src/main.rs:122:13
Dec 12 08:18:08.832 INFO [stderr]     |
Dec 12 08:18:08.832 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 12 08:18:08.832 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.832 INFO [stderr]     |
Dec 12 08:18:08.832 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:08.832 INFO [stderr] 
Dec 12 08:18:08.832 INFO [stderr] warning: variable `imageLocation` should have a snake case name such as `image_location`
Dec 12 08:18:08.832 INFO [stderr]    --> src/main.rs:128:12
Dec 12 08:18:08.832 INFO [stderr]     |
Dec 12 08:18:08.832 INFO [stderr] 128 | fn process(imageLocation: &String)
Dec 12 08:18:08.832 INFO [stderr]     |            ^^^^^^^^^^^^^
Dec 12 08:18:08.832 INFO [stderr]     |
Dec 12 08:18:08.832 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 08:18:08.832 INFO [stderr] 
Dec 12 08:18:08.933 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:08.933 INFO [stderr]   --> src/main.rs:86:9
Dec 12 08:18:08.933 INFO [stderr]    |
Dec 12 08:18:08.933 INFO [stderr] 86 |     for i in 0..size {
Dec 12 08:18:08.934 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 12 08:18:08.934 INFO [stderr]    |
Dec 12 08:18:08.934 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 08:18:08.935 INFO [stderr] 
Dec 12 08:18:08.935 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:08.935 INFO [stderr]    --> src/main.rs:138:9
Dec 12 08:18:08.935 INFO [stderr]     |
Dec 12 08:18:08.935 INFO [stderr] 138 |     for i in 0..max_size {
Dec 12 08:18:08.935 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 12 08:18:08.935 INFO [stderr] 
Dec 12 08:18:08.960 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:18:08.960 INFO [stderr]   --> src/main.rs:90:9
Dec 12 08:18:08.960 INFO [stderr]    |
Dec 12 08:18:08.960 INFO [stderr] 90 |     let mut chars_s = " .-:*+=%@#";
Dec 12 08:18:08.960 INFO [stderr]    |         ----^^^^^^^
Dec 12 08:18:08.960 INFO [stderr]    |         |
Dec 12 08:18:08.960 INFO [stderr]    |         help: remove this `mut`
Dec 12 08:18:08.960 INFO [stderr]    |
Dec 12 08:18:08.960 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 08:18:08.960 INFO [stderr] 
Dec 12 08:18:08.960 INFO [stderr] warning: variable does not need to be mutable
Dec 12 08:18:08.960 INFO [stderr]   --> src/main.rs:91:9
Dec 12 08:18:08.960 INFO [stderr]    |
Dec 12 08:18:08.960 INFO [stderr] 91 |     let mut chars = chars_s.chars();
Dec 12 08:18:08.960 INFO [stderr]    |         ----^^^^^
Dec 12 08:18:08.960 INFO [stderr]    |         |
Dec 12 08:18:08.960 INFO [stderr]    |         help: remove this `mut`
Dec 12 08:18:08.960 INFO [stderr] 
Dec 12 08:18:08.961 INFO [stderr] warning: function is never used: `test_save`
Dec 12 08:18:08.961 INFO [stderr]    --> src/main.rs:117:1
Dec 12 08:18:08.961 INFO [stderr]     |
Dec 12 08:18:08.961 INFO [stderr] 117 | fn test_save(avg: Vec<Vec<i32>>, size: i32)
Dec 12 08:18:08.961 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.961 INFO [stderr]     |
Dec 12 08:18:08.961 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 08:18:08.961 INFO [stderr] 
Dec 12 08:18:08.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:08.964 INFO [stderr]   --> src/main.rs:78:5
Dec 12 08:18:08.964 INFO [stderr]    |
Dec 12 08:18:08.964 INFO [stderr] 78 |     file.write_all(&buf[..]);
Dec 12 08:18:08.964 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.964 INFO [stderr]    |
Dec 12 08:18:08.964 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 08:18:08.964 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:08.964 INFO [stderr] 
Dec 12 08:18:08.964 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:08.964 INFO [stderr]    --> src/main.rs:122:13
Dec 12 08:18:08.964 INFO [stderr]     |
Dec 12 08:18:08.964 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 12 08:18:08.964 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:08.964 INFO [stderr]     |
Dec 12 08:18:08.964 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:08.964 INFO [stderr] 
Dec 12 08:18:08.964 INFO [stderr] warning: variable `imageLocation` should have a snake case name such as `image_location`
Dec 12 08:18:08.964 INFO [stderr]    --> src/main.rs:128:12
Dec 12 08:18:08.964 INFO [stderr]     |
Dec 12 08:18:08.964 INFO [stderr] 128 | fn process(imageLocation: &String)
Dec 12 08:18:08.964 INFO [stderr]     |            ^^^^^^^^^^^^^
Dec 12 08:18:08.964 INFO [stderr]     |
Dec 12 08:18:08.964 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 12 08:18:08.964 INFO [stderr] 
Dec 12 08:18:08.982 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.88s
Dec 12 08:18:08.996 INFO [stderr] su: No module specific data is present
Dec 12 08:18:09.502 INFO running `"docker" "inspect" "47612eec0de5e99473ed0e731a27cea6fa2482e03d6b98ff0e9b706cccdc0578"`
Dec 12 08:18:09.790 INFO running `"docker" "rm" "-f" "47612eec0de5e99473ed0e731a27cea6fa2482e03d6b98ff0e9b706cccdc0578"`
Dec 12 08:18:10.044 INFO [stdout] 47612eec0de5e99473ed0e731a27cea6fa2482e03d6b98ff0e9b706cccdc0578