[INFO] updating cached repository https://github.com/drojf/SpriteZip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 463ee92e5218ebb20bf8e5cb07103863f1912b3e
[INFO] testing drojf/SpriteZip against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrojf%2FSpriteZip" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drojf/SpriteZip on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drojf/SpriteZip
[INFO] finished tweaking git repo https://github.com/drojf/SpriteZip
[INFO] tweaked toml for git repo https://github.com/drojf/SpriteZip written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/drojf/SpriteZip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa0b45dac8046f66ba7eb75199cb2e77f8ff82068fa71333915c29279f21ac8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5aa0b45dac8046f66ba7eb75199cb2e77f8ff82068fa71333915c29279f21ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa0b45dac8046f66ba7eb75199cb2e77f8ff82068fa71333915c29279f21ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa0b45dac8046f66ba7eb75199cb2e77f8ff82068fa71333915c29279f21ac8", kill_on_drop: false }`
[INFO] [stdout] 5aa0b45dac8046f66ba7eb75199cb2e77f8ff82068fa71333915c29279f21ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c05f00865f881a0e35b324ba9c4e9c02b48ac5fc90b85057849b6c7c281e3b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c05f00865f881a0e35b324ba9c4e9c02b48ac5fc90b85057849b6c7c281e3b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling adler32 v0.2.0
[INFO] [stderr]    Compiling typed-arena v1.4.1
[INFO] [stderr]    Compiling alloc-no-stdlib v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.2
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]    Compiling inflate v0.4.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling brotli-decompressor v1.3.1
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling miniz_oxide v0.1.3
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling zopfli v0.3.7
[INFO] [stderr]    Compiling brotli v2.5.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling oxipng v1.0.4
[INFO] [stderr]    Compiling spritezip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/common.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 | type Item = (walkdir::DirEntry);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/common.rs:232:50
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stdout]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/common.rs:240:41
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/extract.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write, SeekFrom, Seek};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default::Default`
[INFO] [stdout]  --> src/extract.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `img_count`
[INFO] [stdout]    --> src/common.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     for (img_count, ent) in FileTypeIterator::new(input_folder, "png").enumerate()
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_img_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `debug_difference_count` is assigned to, but never used
[INFO] [stdout]    --> src/compress.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut debug_difference_count = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_debug_difference_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_buf_to_u32_big_endian`
[INFO] [stdout]    --> src/common.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn u8_buf_to_u32_big_endian(buf : &[u8; 4]) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_stream_to_u32_big_endian`
[INFO] [stdout]    --> src/common.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_png_dimensions`
[INFO] [stdout]    --> src/common.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_folder_for_max_png_size`
[INFO] [stdout]    --> src/common.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn scan_folder_for_max_png_size(input_folder : &str) -> (u32, u32)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_image_no_alpha`
[INFO] [stdout]    --> src/common.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn save_image_no_alpha(mut image : RgbaImage, save_path : &str)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compress_image_to_buffer`
[INFO] [stdout]    --> src/common.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn compress_image_to_buffer(img: &image::RgbaImage) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compress_buffer`
[INFO] [stdout]    --> src/common.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn compress_buffer(img: &Vec<u8>) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CroppedImageBounds`
[INFO] [stdout]   --> src/compress.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CroppedImageBounds {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crop_function`
[INFO] [stdout]   --> src/compress.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn crop_function(img: &image::RgbaImage, offset : (u32, u32), max_width : u32, max_height : u32) -> (CroppedImageBounds, u64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `Command { std: "docker" "inspect" "3c05f00865f881a0e35b324ba9c4e9c02b48ac5fc90b85057849b6c7c281e3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c05f00865f881a0e35b324ba9c4e9c02b48ac5fc90b85057849b6c7c281e3b2", kill_on_drop: false }`
[INFO] [stdout] 3c05f00865f881a0e35b324ba9c4e9c02b48ac5fc90b85057849b6c7c281e3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cefbb7756692343c8d57a3389ca632e1c7c1dcd1180b786d8c1928d62c32373
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1cefbb7756692343c8d57a3389ca632e1c7c1dcd1180b786d8c1928d62c32373", kill_on_drop: false }`
[INFO] [stderr]    Compiling spritezip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/common.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 | type Item = (walkdir::DirEntry);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/common.rs:232:50
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stdout]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/common.rs:240:41
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/extract.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write, SeekFrom, Seek};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::default::Default`
[INFO] [stdout]  --> src/extract.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `img_count`
[INFO] [stdout]    --> src/common.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     for (img_count, ent) in FileTypeIterator::new(input_folder, "png").enumerate()
[INFO] [stdout]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_img_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `debug_difference_count` is assigned to, but never used
[INFO] [stdout]    --> src/compress.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     let mut debug_difference_count = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_debug_difference_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_buf_to_u32_big_endian`
[INFO] [stdout]    --> src/common.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn u8_buf_to_u32_big_endian(buf : &[u8; 4]) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8_stream_to_u32_big_endian`
[INFO] [stdout]    --> src/common.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_png_dimensions`
[INFO] [stdout]    --> src/common.rs:240:8
[INFO] [stdout]     |
[INFO] [stdout] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `scan_folder_for_max_png_size`
[INFO] [stdout]    --> src/common.rs:264:8
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub fn scan_folder_for_max_png_size(input_folder : &str) -> (u32, u32)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_image_no_alpha`
[INFO] [stdout]    --> src/common.rs:290:8
[INFO] [stdout]     |
[INFO] [stdout] 290 | pub fn save_image_no_alpha(mut image : RgbaImage, save_path : &str)
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compress_image_to_buffer`
[INFO] [stdout]    --> src/common.rs:309:8
[INFO] [stdout]     |
[INFO] [stdout] 309 | pub fn compress_image_to_buffer(img: &image::RgbaImage) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compress_buffer`
[INFO] [stdout]    --> src/common.rs:327:8
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub fn compress_buffer(img: &Vec<u8>) -> Vec<u8>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CroppedImageBounds`
[INFO] [stdout]   --> src/compress.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CroppedImageBounds {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crop_function`
[INFO] [stdout]   --> src/compress.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn crop_function(img: &image::RgbaImage, offset : (u32, u32), max_width : u32, max_height : u32) -> (CroppedImageBounds, u64)
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "1cefbb7756692343c8d57a3389ca632e1c7c1dcd1180b786d8c1928d62c32373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cefbb7756692343c8d57a3389ca632e1c7c1dcd1180b786d8c1928d62c32373", kill_on_drop: false }`
[INFO] [stdout] 1cefbb7756692343c8d57a3389ca632e1c7c1dcd1180b786d8c1928d62c32373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8756a5f1bea83c193b12c3fb3594ef5877cdc36f31c0214c2d31e7363740e904
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8756a5f1bea83c193b12c3fb3594ef5877cdc36f31c0214c2d31e7363740e904", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/common.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 | type Item = (walkdir::DirEntry);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:232:50
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:240:41
[INFO] [stderr]     |
[INFO] [stderr] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stderr]     |                                         ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/extract.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, Write, SeekFrom, Seek};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/extract.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `img_count`
[INFO] [stderr]    --> src/common.rs:134:10
[INFO] [stderr]     |
[INFO] [stderr] 134 |     for (img_count, ent) in FileTypeIterator::new(input_folder, "png").enumerate()
[INFO] [stderr]     |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_img_count`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `debug_difference_count` is assigned to, but never used
[INFO] [stderr]    --> src/compress.rs:290:9
[INFO] [stderr]     |
[INFO] [stderr] 290 |     let mut debug_difference_count = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_debug_difference_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_buf_to_u32_big_endian`
[INFO] [stderr]    --> src/common.rs:223:8
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub fn u8_buf_to_u32_big_endian(buf : &[u8; 4]) -> u32
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8_stream_to_u32_big_endian`
[INFO] [stderr]    --> src/common.rs:232:8
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn u8_stream_to_u32_big_endian(reader : &mut Read) -> u32
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_png_dimensions`
[INFO] [stderr]    --> src/common.rs:240:8
[INFO] [stderr]     |
[INFO] [stderr] 240 | pub fn get_png_dimensions(reader : &mut Read) -> Result<(u32, u32), &'static str>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scan_folder_for_max_png_size`
[INFO] [stderr]    --> src/common.rs:264:8
[INFO] [stderr]     |
[INFO] [stderr] 264 | pub fn scan_folder_for_max_png_size(input_folder : &str) -> (u32, u32)
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_image_no_alpha`
[INFO] [stderr]    --> src/common.rs:290:8
[INFO] [stderr]     |
[INFO] [stderr] 290 | pub fn save_image_no_alpha(mut image : RgbaImage, save_path : &str)
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compress_image_to_buffer`
[INFO] [stderr]    --> src/common.rs:309:8
[INFO] [stderr]     |
[INFO] [stderr] 309 | pub fn compress_image_to_buffer(img: &image::RgbaImage) -> Vec<u8>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compress_buffer`
[INFO] [stderr]    --> src/common.rs:327:8
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub fn compress_buffer(img: &Vec<u8>) -> Vec<u8>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CroppedImageBounds`
[INFO] [stderr]   --> src/compress.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct CroppedImageBounds {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `crop_function`
[INFO] [stderr]   --> src/compress.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn crop_function(img: &image::RgbaImage, offset : (u32, u32), max_width : u32, max_height : u32) -> (CroppedImageBounds, u64)
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spritezip-24bd399144f21220
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8756a5f1bea83c193b12c3fb3594ef5877cdc36f31c0214c2d31e7363740e904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8756a5f1bea83c193b12c3fb3594ef5877cdc36f31c0214c2d31e7363740e904", kill_on_drop: false }`
[INFO] [stdout] 8756a5f1bea83c193b12c3fb3594ef5877cdc36f31c0214c2d31e7363740e904