[INFO] cloning repository https://github.com/anujsrivastava1234/ImageCombiner [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anujsrivastava1234/ImageCombiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujsrivastava1234%2FImageCombiner", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujsrivastava1234%2FImageCombiner'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d291fb25d15e8c787eda0950d287e44a500c2b1a [INFO] testing anujsrivastava1234/ImageCombiner/d291fb25d15e8c787eda0950d287e44a500c2b1a against master#8c0ec05f7dc9ef185eea9f36c5638e74e43935bf for pr-130285 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanujsrivastava1234%2FImageCombiner" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anujsrivastava1234/ImageCombiner on toolchain 8c0ec05f7dc9ef185eea9f36c5638e74e43935bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anujsrivastava1234/ImageCombiner [INFO] finished tweaking git repo https://github.com/anujsrivastava1234/ImageCombiner [INFO] tweaked toml for git repo https://github.com/anujsrivastava1234/ImageCombiner written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/anujsrivastava1234/ImageCombiner already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d424557154d242328d751cf4e88c49e148030364da66e20d49d8cf7762deb7a0 [INFO] running `Command { std: "docker" "start" "-a" "d424557154d242328d751cf4e88c49e148030364da66e20d49d8cf7762deb7a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d424557154d242328d751cf4e88c49e148030364da66e20d49d8cf7762deb7a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d424557154d242328d751cf4e88c49e148030364da66e20d49d8cf7762deb7a0", kill_on_drop: false }` [INFO] [stdout] d424557154d242328d751cf4e88c49e148030364da66e20d49d8cf7762deb7a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5923791e410bf151f830f83e860d270217074eccf19751ba175ebffbcae58d38 [INFO] running `Command { std: "docker" "start" "-a" "5923791e410bf151f830f83e860d270217074eccf19751ba175ebffbcae58d38", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling gif v0.11.3 [INFO] [stderr] Compiling bytemuck v1.7.3 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling ImageCombiner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fs::File` and `io::BufReader` [INFO] [stdout] --> src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{io::BufReader, fs::File}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | UnableToReadImageFromPath(std::io::Error), [INFO] [stdout] | ------------------------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToFormatImage(String), [INFO] [stdout] | ------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | UnableToDecodeImage(ImageError), [INFO] [stdout] | ------------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | UnableToSaveImage(ImageError), [INFO] [stdout] | ----------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | UnableToSaveImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "5923791e410bf151f830f83e860d270217074eccf19751ba175ebffbcae58d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5923791e410bf151f830f83e860d270217074eccf19751ba175ebffbcae58d38", kill_on_drop: false }` [INFO] [stdout] 5923791e410bf151f830f83e860d270217074eccf19751ba175ebffbcae58d38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c69ddd1dbf0b2f98f5a1aefe193c0f2c273de648233876e0e103b9956190d280 [INFO] running `Command { std: "docker" "start" "-a" "c69ddd1dbf0b2f98f5a1aefe193c0f2c273de648233876e0e103b9956190d280", kill_on_drop: false }` [INFO] [stderr] Compiling ImageCombiner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `fs::File` and `io::BufReader` [INFO] [stdout] --> src/main.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{io::BufReader, fs::File}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | UnableToReadImageFromPath(std::io::Error), [INFO] [stdout] | ------------------------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | UnableToReadImageFromPath(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:12:23 [INFO] [stdout] | [INFO] [stdout] 12 | UnableToFormatImage(String), [INFO] [stdout] | ------------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | UnableToFormatImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | UnableToDecodeImage(ImageError), [INFO] [stdout] | ------------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | UnableToDecodeImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:14:21 [INFO] [stdout] | [INFO] [stdout] 14 | UnableToSaveImage(ImageError), [INFO] [stdout] | ----------------- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | UnableToSaveImage(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "c69ddd1dbf0b2f98f5a1aefe193c0f2c273de648233876e0e103b9956190d280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c69ddd1dbf0b2f98f5a1aefe193c0f2c273de648233876e0e103b9956190d280", kill_on_drop: false }` [INFO] [stdout] c69ddd1dbf0b2f98f5a1aefe193c0f2c273de648233876e0e103b9956190d280 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ee6f3da057743e7ea551dbf5808485eb5b9bd327da34c7e34562d549831ae9c4 [INFO] running `Command { std: "docker" "start" "-a" "ee6f3da057743e7ea551dbf5808485eb5b9bd327da34c7e34562d549831ae9c4", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `fs::File` and `io::BufReader` [INFO] [stderr] --> src/main.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{io::BufReader, fs::File}; [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:11:29 [INFO] [stderr] | [INFO] [stderr] 11 | UnableToReadImageFromPath(std::io::Error), [INFO] [stderr] | ------------------------- ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 11 | UnableToReadImageFromPath(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:12:23 [INFO] [stderr] | [INFO] [stderr] 12 | UnableToFormatImage(String), [INFO] [stderr] | ------------------- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 12 | UnableToFormatImage(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | UnableToDecodeImage(ImageError), [INFO] [stderr] | ------------------- ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 13 | UnableToDecodeImage(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | UnableToSaveImage(ImageError), [INFO] [stderr] | ----------------- ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `ImageDataErrors` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 14 | UnableToSaveImage(()), [INFO] [stderr] | ~~ [INFO] [stderr] [INFO] [stderr] warning: `ImageCombiner` (bin "ImageCombiner" test) generated 5 warnings (run `cargo fix --bin "ImageCombiner" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ImageCombiner-de4d87b75c7487cf) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ee6f3da057743e7ea551dbf5808485eb5b9bd327da34c7e34562d549831ae9c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee6f3da057743e7ea551dbf5808485eb5b9bd327da34c7e34562d549831ae9c4", kill_on_drop: false }` [INFO] [stdout] ee6f3da057743e7ea551dbf5808485eb5b9bd327da34c7e34562d549831ae9c4