[INFO] cloning repository https://github.com/kurotakazuki/wav_ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurotakazuki/wav_ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Fwav_ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Fwav_ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f92a132c4e3be038bc35f693ce365784a5b26cf
[INFO] testing kurotakazuki/wav_ast against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurotakazuki%2Fwav_ast" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kurotakazuki/wav_ast
[INFO] finished tweaking git repo https://github.com/kurotakazuki/wav_ast
[INFO] tweaked toml for git repo https://github.com/kurotakazuki/wav_ast written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kurotakazuki/wav_ast on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kurotakazuki/wav_ast 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa
[INFO] running `Command { std: "docker" "start" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling wav_ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mpl v0.1.0
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/chunk/data.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DataChunk {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 7 |     pub data: Vec<Vec<Sample>>,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `valid_bits_per_sample`, `samples_per_block`, `reserved`, `channel_mask`, and `sub_format` are never read
[INFO] [stdout]   --> src/chunk/fmt.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct WaveFormatExtensible {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 41 |     pub valid_bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     pub samples_per_block: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     pub reserved: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 44 |     pub channel_mask: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 45 |     pub sub_format: u128,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WaveFormatExtensible` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/chunk/other.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct OtherChunk<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 6 |     pub data: &'a [u8],
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OtherChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `form_type` is never read
[INFO] [stdout]  --> src/chunk/riff.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RiffChunk {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 6 |     pub form_type: FourCC,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RiffChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     U8(u8),
[INFO] [stdout]   |     -- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 3 -     U8(u8),
[INFO] [stdout] 3 +     U8(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     U16(u16),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 4 -     U16(u16),
[INFO] [stdout] 4 +     U16(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     F32(f32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 5 -     F32(f32),
[INFO] [stdout] 5 +     F32(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     F64(f64),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 6 -     F64(f64),
[INFO] [stdout] 6 +     F64(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling wav_ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/chunk/data.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DataChunk {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 7 |     pub data: Vec<Vec<Sample>>,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `DataChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `valid_bits_per_sample`, `samples_per_block`, `reserved`, `channel_mask`, and `sub_format` are never read
[INFO] [stdout]   --> src/chunk/fmt.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct WaveFormatExtensible {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 41 |     pub valid_bits_per_sample: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 42 |     pub samples_per_block: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     pub reserved: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 44 |     pub channel_mask: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 45 |     pub sub_format: u128,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WaveFormatExtensible` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/chunk/other.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct OtherChunk<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 6 |     pub data: &'a [u8],
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OtherChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `form_type` is never read
[INFO] [stdout]  --> src/chunk/riff.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RiffChunk {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stdout] 6 |     pub form_type: FourCC,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RiffChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     U8(u8),
[INFO] [stdout]   |     -- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 3 -     U8(u8),
[INFO] [stdout] 3 +     U8(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     U16(u16),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 4 -     U16(u16),
[INFO] [stdout] 4 +     U16(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     F32(f32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 5 -     F32(f32),
[INFO] [stdout] 5 +     F32(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/sample.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     F64(f64),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 6 -     F64(f64),
[INFO] [stdout] 6 +     F64(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]  --> src/chunk/data.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct DataChunk {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 6 |     pub chunk_header: ChunkHeader,
[INFO] [stderr] 7 |     pub data: Vec<Vec<Sample>>,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DataChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `valid_bits_per_sample`, `samples_per_block`, `reserved`, `channel_mask`, and `sub_format` are never read
[INFO] [stderr]   --> src/chunk/fmt.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct WaveFormatExtensible {
[INFO] [stderr]    |            -------------------- fields in this struct
[INFO] [stderr] 41 |     pub valid_bits_per_sample: u16,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 42 |     pub samples_per_block: u16,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 43 |     pub reserved: u16,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 44 |     pub channel_mask: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 45 |     pub sub_format: u128,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WaveFormatExtensible` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `data` is never read
[INFO] [stderr]  --> src/chunk/other.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct OtherChunk<'a> {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stderr] 6 |     pub data: &'a [u8],
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `OtherChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `form_type` is never read
[INFO] [stderr]  --> src/chunk/riff.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct RiffChunk {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 5 |     pub chunk_header: ChunkHeader,
[INFO] [stderr] 6 |     pub form_type: FourCC,
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `RiffChunk` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/sample.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 |     U8(u8),
[INFO] [stderr]   |     -- ^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 3 -     U8(u8),
[INFO] [stderr] 3 +     U8(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/sample.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     U16(u16),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 4 -     U16(u16),
[INFO] [stderr] 4 +     U16(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/sample.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     F32(f32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 5 -     F32(f32),
[INFO] [stderr] 5 +     F32(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/sample.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     F64(f64),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Sample` has derived impls for the traits `Debug` and `Clone`, but these are 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] 6 -     F64(f64),
[INFO] [stderr] 6 +     F64(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `wav_ast` (bin "wav_ast" test) generated 8 warnings
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/wav_ast-8613f9cf481a6f8a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test chunk::tests::array_from_four_cc ... ok
[INFO] [stdout] test chunk::tests::four_cc_from_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa", kill_on_drop: false }`
[INFO] [stdout] 15dd0f67f6acb3f5046d6c9a1e15fa2d46ad97980e59c61c64b4f3b49bbd4ffa
