[INFO] fetching crate compeg 0.4.0...
[INFO] building compeg-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate compeg 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate compeg 0.4.0
[INFO] finished tweaking crates.io crate compeg 0.4.0
[INFO] tweaked toml for crates.io crate compeg 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate compeg 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compeg 0.4.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 589955dd6b486c3076c477d250776f240317e075000c96591cccc83c482670f8
[INFO] running `Command { std: "docker" "start" "-a" "589955dd6b486c3076c477d250776f240317e075000c96591cccc83c482670f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "589955dd6b486c3076c477d250776f240317e075000c96591cccc83c482670f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589955dd6b486c3076c477d250776f240317e075000c96591cccc83c482670f8", kill_on_drop: false }`
[INFO] [stdout] 589955dd6b486c3076c477d250776f240317e075000c96591cccc83c482670f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f17dfe37a9ce39654034c937f9543ae918d5b31379924ef7ba24a9c2d16372
[INFO] running `Command { std: "docker" "start" "-a" "b5f17dfe37a9ce39654034c937f9543ae918d5b31379924ef7ba24a9c2d16372", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
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[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling bit-vec v0.7.0
[INFO] [stderr]    Compiling smallvec v1.13.2
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[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
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[INFO] [stderr]    Compiling wgpu-core v22.0.0
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[INFO] [stderr]    Compiling gpu-alloc v0.6.0
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[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling raw-window-handle v0.6.2
[INFO] [stderr]    Compiling glow v0.13.1
[INFO] [stderr]    Compiling wgpu v22.0.0
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling parking_lot v0.12.3
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[INFO] [stderr]    Compiling bytemuck_derive v1.7.0
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[INFO] [stderr]    Compiling compeg v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | struct L1Entry(u16);
[INFO] [stdout]     |        ^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:283:1
[INFO] [stdout]     |
[INFO] [stdout] 283 | / #[repr(C)]
[INFO] [stdout] 284 | | struct L1Entry(u16);
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub struct LookupResult {
[INFO] [stdout]     |            ^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:331:1
[INFO] [stdout]     |
[INFO] [stdout] 331 | / #[repr(C)]
[INFO] [stdout] 332 | | pub struct LookupResult {
[INFO] [stdout] 333 | |     /// Decoded value. Meaning depends on table class (AC/DC).
[INFO] [stdout] 334 | |     value: u8,
[INFO] [stdout] 335 | |     /// Length of the huffman code in bits (number of bits that need to be consumed from the input).
[INFO] [stdout] 336 | |     bits: u8,
[INFO] [stdout] 337 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/metadata.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QTable {
[INFO] [stdout]   |            ^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/metadata.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / #[repr(C)]
[INFO] [stdout] 5 | | pub struct QTable {
[INFO] [stdout] 6 | |     pub values: [u32; 64], // 64 bytes, zero-padded
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Component {
[INFO] [stdout]    |            ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #[repr(C)]
[INFO] [stdout] 11 | | pub struct Component {
[INFO] [stdout] 12 | |     pub vsample: u32,
[INFO] [stdout] 13 | |     pub hsample: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     pub achuff: u32,
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Metadata {
[INFO] [stdout]    |            ^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / #[repr(C)]
[INFO] [stdout] 23 | | pub struct Metadata {
[INFO] [stdout] 24 | |     pub qtables: [QTable; 4],
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     pub retained_coefficients: u32,
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.78s
[INFO] running `Command { std: "docker" "inspect" "b5f17dfe37a9ce39654034c937f9543ae918d5b31379924ef7ba24a9c2d16372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f17dfe37a9ce39654034c937f9543ae918d5b31379924ef7ba24a9c2d16372", kill_on_drop: false }`
[INFO] [stdout] b5f17dfe37a9ce39654034c937f9543ae918d5b31379924ef7ba24a9c2d16372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea7db4b4bae779a4dfaa6d9ce73e5021bc6e25ee962c9a510d459a9d35aa5652
[INFO] running `Command { std: "docker" "start" "-a" "ea7db4b4bae779a4dfaa6d9ce73e5021bc6e25ee962c9a510d459a9d35aa5652", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
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[INFO] [stderr]    Compiling anstyle-parse v0.2.4
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[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
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[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
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[INFO] [stderr]    Compiling fdeflate v0.3.4
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[INFO] [stderr]    Compiling oorandom v11.1.4
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[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
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[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling clap v4.5.10
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling env_filter v0.1.1
[INFO] [stderr]    Compiling env_logger v0.11.4
[INFO] [stderr]    Compiling polling v3.7.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling linuxvideo v0.3.3
[INFO] [stderr]    Compiling calloop v0.13.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling wgpu-hal v22.0.0
[INFO] [stderr]    Compiling wgpu-core v22.0.0
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling wgpu v22.0.0
[INFO] [stderr]    Compiling compeg v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | struct L1Entry(u16);
[INFO] [stdout]     |        ^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:283:1
[INFO] [stdout]     |
[INFO] [stdout] 283 | / #[repr(C)]
[INFO] [stdout] 284 | | struct L1Entry(u16);
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub struct LookupResult {
[INFO] [stdout]     |            ^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:331:1
[INFO] [stdout]     |
[INFO] [stdout] 331 | / #[repr(C)]
[INFO] [stdout] 332 | | pub struct LookupResult {
[INFO] [stdout] 333 | |     /// Decoded value. Meaning depends on table class (AC/DC).
[INFO] [stdout] 334 | |     value: u8,
[INFO] [stdout] 335 | |     /// Length of the huffman code in bits (number of bits that need to be consumed from the input).
[INFO] [stdout] 336 | |     bits: u8,
[INFO] [stdout] 337 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/metadata.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QTable {
[INFO] [stdout]   |            ^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/metadata.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / #[repr(C)]
[INFO] [stdout] 5 | | pub struct QTable {
[INFO] [stdout] 6 | |     pub values: [u32; 64], // 64 bytes, zero-padded
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Component {
[INFO] [stdout]    |            ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #[repr(C)]
[INFO] [stdout] 11 | | pub struct Component {
[INFO] [stdout] 12 | |     pub vsample: u32,
[INFO] [stdout] 13 | |     pub hsample: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     pub achuff: u32,
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Metadata {
[INFO] [stdout]    |            ^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / #[repr(C)]
[INFO] [stdout] 23 | | pub struct Metadata {
[INFO] [stdout] 24 | |     pub qtables: [QTable; 4],
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     pub retained_coefficients: u32,
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 284 | struct L1Entry(u16);
[INFO] [stdout]     |        ^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:283:1
[INFO] [stdout]     |
[INFO] [stdout] 283 | / #[repr(C)]
[INFO] [stdout] 284 | | struct L1Entry(u16);
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/huffman.rs:332:12
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub struct LookupResult {
[INFO] [stdout]     |            ^^^^^^^^^^^^ field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]    --> src/huffman.rs:331:1
[INFO] [stdout]     |
[INFO] [stdout] 331 | / #[repr(C)]
[INFO] [stdout] 332 | | pub struct LookupResult {
[INFO] [stdout] 333 | |     /// Decoded value. Meaning depends on table class (AC/DC).
[INFO] [stdout] 334 | |     value: u8,
[INFO] [stdout] 335 | |     /// Length of the huffman code in bits (number of bits that need to be consumed from the input).
[INFO] [stdout] 336 | |     bits: u8,
[INFO] [stdout] 337 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/metadata.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QTable {
[INFO] [stdout]   |            ^^^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]  --> src/metadata.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / #[repr(C)]
[INFO] [stdout] 5 | | pub struct QTable {
[INFO] [stdout] 6 | |     pub values: [u32; 64], // 64 bytes, zero-padded
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Component {
[INFO] [stdout]    |            ^^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / #[repr(C)]
[INFO] [stdout] 11 | | pub struct Component {
[INFO] [stdout] 12 | |     pub vsample: u32,
[INFO] [stdout] 13 | |     pub hsample: u32,
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     pub achuff: u32,
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/metadata.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Metadata {
[INFO] [stdout]    |            ^^^^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/metadata.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / #[repr(C)]
[INFO] [stdout] 23 | | pub struct Metadata {
[INFO] [stdout] 24 | |     pub qtables: [QTable; 4],
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |     pub retained_coefficients: u32,
[INFO] [stdout] 41 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "ea7db4b4bae779a4dfaa6d9ce73e5021bc6e25ee962c9a510d459a9d35aa5652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7db4b4bae779a4dfaa6d9ce73e5021bc6e25ee962c9a510d459a9d35aa5652", kill_on_drop: false }`
[INFO] [stdout] ea7db4b4bae779a4dfaa6d9ce73e5021bc6e25ee962c9a510d459a9d35aa5652