[INFO] cloning repository https://github.com/maybe-aidan/combiner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maybe-aidan/combiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybe-aidan%2Fcombiner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybe-aidan%2Fcombiner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 594c5899f4c575d8534d42e33fd5b1366ee93dbb
[INFO] testing maybe-aidan/combiner against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaybe-aidan%2Fcombiner" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maybe-aidan/combiner
[INFO] finished tweaking git repo https://github.com/maybe-aidan/combiner
[INFO] tweaked toml for git repo https://github.com/maybe-aidan/combiner written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maybe-aidan/combiner on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maybe-aidan/combiner 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytemuck v1.14.1
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded png v0.17.11
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded image v0.24.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3366141eadbc95e3cdfcb755c21f2a11c9b2d0c11b65f938cdb108224ed031a
[INFO] running `Command { std: "docker" "start" "-a" "f3366141eadbc95e3cdfcb755c21f2a11c9b2d0c11b65f938cdb108224ed031a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3366141eadbc95e3cdfcb755c21f2a11c9b2d0c11b65f938cdb108224ed031a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3366141eadbc95e3cdfcb755c21f2a11c9b2d0c11b65f938cdb108224ed031a", kill_on_drop: false }`
[INFO] [stdout] f3366141eadbc95e3cdfcb755c21f2a11c9b2d0c11b65f938cdb108224ed031a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca994223c6b6826104e12d7de43887a0fdc61640b48ec56908a9f7cdd4e3660c
[INFO] running `Command { std: "docker" "start" "-a" "ca994223c6b6826104e12d7de43887a0fdc61640b48ec56908a9f7cdd4e3660c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling bytemuck v1.14.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image v0.24.8
[INFO] [stderr]    Compiling combiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     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)]` (part of `#[warn(unused)]`) 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] 10 -     UnableToReadImageFromPath(std::io::Error),
[INFO] [stdout] 10 +     UnableToReadImageFromPath(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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] 11 -     UnableToFormatImage(String),
[INFO] [stdout] 11 +     UnableToFormatImage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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] 12 -     UnableToDecodeImage(ImageError),
[INFO] [stdout] 12 +     UnableToDecodeImage(()),
[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 |     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] 13 -     UnableToSaveImage(ImageError)
[INFO] [stdout] 13 +     UnableToSaveImage(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.53s
[INFO] running `Command { std: "docker" "inspect" "ca994223c6b6826104e12d7de43887a0fdc61640b48ec56908a9f7cdd4e3660c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca994223c6b6826104e12d7de43887a0fdc61640b48ec56908a9f7cdd4e3660c", kill_on_drop: false }`
[INFO] [stdout] ca994223c6b6826104e12d7de43887a0fdc61640b48ec56908a9f7cdd4e3660c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 249a5b0e241bf824e751c014001c8c148442229d44ad1fb46a95e15cd269892a
[INFO] running `Command { std: "docker" "start" "-a" "249a5b0e241bf824e751c014001c8c148442229d44ad1fb46a95e15cd269892a", kill_on_drop: false }`
[INFO] [stderr]    Compiling combiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     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)]` (part of `#[warn(unused)]`) 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] 10 -     UnableToReadImageFromPath(std::io::Error),
[INFO] [stdout] 10 +     UnableToReadImageFromPath(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     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] 11 -     UnableToFormatImage(String),
[INFO] [stdout] 11 +     UnableToFormatImage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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] 12 -     UnableToDecodeImage(ImageError),
[INFO] [stdout] 12 +     UnableToDecodeImage(()),
[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 |     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] 13 -     UnableToSaveImage(ImageError)
[INFO] [stdout] 13 +     UnableToSaveImage(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "249a5b0e241bf824e751c014001c8c148442229d44ad1fb46a95e15cd269892a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249a5b0e241bf824e751c014001c8c148442229d44ad1fb46a95e15cd269892a", kill_on_drop: false }`
[INFO] [stdout] 249a5b0e241bf824e751c014001c8c148442229d44ad1fb46a95e15cd269892a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fae9a5d16be320403752c917ebc6bc649cd1875e8c72d0545b91f65635ed0b32
[INFO] running `Command { std: "docker" "start" "-a" "fae9a5d16be320403752c917ebc6bc649cd1875e8c72d0545b91f65635ed0b32", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:10:31
[INFO] [stderr]    |
[INFO] [stderr] 10 |     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)]` (part of `#[warn(unused)]`) 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] 10 -     UnableToReadImageFromPath(std::io::Error),
[INFO] [stderr] 10 +     UnableToReadImageFromPath(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     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] 11 -     UnableToFormatImage(String),
[INFO] [stderr] 11 +     UnableToFormatImage(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     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] 12 -     UnableToDecodeImage(ImageError),
[INFO] [stderr] 12 +     UnableToDecodeImage(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     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] 13 -     UnableToSaveImage(ImageError)
[INFO] [stderr] 13 +     UnableToSaveImage(())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `combiner` (bin "combiner" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/combiner-28c5ac322d58e160)
[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" "fae9a5d16be320403752c917ebc6bc649cd1875e8c72d0545b91f65635ed0b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae9a5d16be320403752c917ebc6bc649cd1875e8c72d0545b91f65635ed0b32", kill_on_drop: false }`
[INFO] [stdout] fae9a5d16be320403752c917ebc6bc649cd1875e8c72d0545b91f65635ed0b32
