[INFO] fetching crate compeg 0.4.0...
[INFO] building compeg-0.4.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate compeg 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate compeg 0.4.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6368fc8293b3139e37db0a321d4956b1f3655e1dbed8629b15d99353f878e8c6
[INFO] running `Command { std: "docker" "start" "-a" "6368fc8293b3139e37db0a321d4956b1f3655e1dbed8629b15d99353f878e8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6368fc8293b3139e37db0a321d4956b1f3655e1dbed8629b15d99353f878e8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6368fc8293b3139e37db0a321d4956b1f3655e1dbed8629b15d99353f878e8c6", kill_on_drop: false }`
[INFO] [stdout] 6368fc8293b3139e37db0a321d4956b1f3655e1dbed8629b15d99353f878e8c6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8580fcfd6da6e3b1144efd5c820a907ba1ca0d30d7bc1602e51ffab1ed67c65e
[INFO] running `Command { std: "docker" "start" "-a" "8580fcfd6da6e3b1144efd5c820a907ba1ca0d30d7bc1602e51ffab1ed67c65e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling naga v22.0.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bit-vec v0.7.0
[INFO] [stderr]    Compiling wgpu-hal v22.0.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling gpu-alloc-types v0.3.0
[INFO] [stderr]    Compiling spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling bit-set v0.6.0
[INFO] [stderr]    Compiling hexf-parse v0.2.1
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[INFO] [stderr]    Compiling gpu-alloc v0.6.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling wgpu-core v22.0.0
[INFO] [stderr]    Compiling wgpu-types v22.0.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling gpu-descriptor v0.3.0
[INFO] [stderr]    Compiling profiling v1.0.15
[INFO] [stderr]    Compiling glow v0.13.1
[INFO] [stderr]    Compiling renderdoc-sys v1.1.0
[INFO] [stderr]    Compiling wgpu v22.0.0
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[INFO] [stderr]    Compiling bytemuck v1.16.1
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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 1m 20s
[INFO] running `Command { std: "docker" "inspect" "8580fcfd6da6e3b1144efd5c820a907ba1ca0d30d7bc1602e51ffab1ed67c65e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8580fcfd6da6e3b1144efd5c820a907ba1ca0d30d7bc1602e51ffab1ed67c65e", kill_on_drop: false }`
[INFO] [stdout] 8580fcfd6da6e3b1144efd5c820a907ba1ca0d30d7bc1602e51ffab1ed67c65e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8da977988fb9c8479b33fa199f277b417e79d10adfb21a6d5ca77fb938fb83b
[INFO] running `Command { std: "docker" "start" "-a" "d8da977988fb9c8479b33fa199f277b417e79d10adfb21a6d5ca77fb938fb83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]    Compiling gpu-alloc v0.6.0
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[INFO] [stderr]    Compiling wgpu-types v22.0.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling naga v22.0.0
[INFO] [stderr]    Compiling serde_json v1.0.120
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[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling half v2.4.1
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[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling clap_builder v4.5.10
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling winit v0.30.4
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling env_filter v0.1.1
[INFO] [stderr]    Compiling clap v4.5.10
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling oorandom v11.1.4
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[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling calloop v0.13.0
[INFO] [stderr]    Compiling dpi v0.1.1
[INFO] [stderr]    Compiling linuxvideo v0.3.3
[INFO] [stderr]    Compiling expect-test v1.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling env_logger v0.11.4
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling pollster v0.3.0
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling jpeg-encoder v0.6.0
[INFO] [stderr]    Compiling wgpu-hal v22.0.0
[INFO] [stderr]    Compiling wgpu-core v22.0.0
[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 2m 14s
[INFO] running `Command { std: "docker" "inspect" "d8da977988fb9c8479b33fa199f277b417e79d10adfb21a6d5ca77fb938fb83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8da977988fb9c8479b33fa199f277b417e79d10adfb21a6d5ca77fb938fb83b", kill_on_drop: false }`
[INFO] [stdout] d8da977988fb9c8479b33fa199f277b417e79d10adfb21a6d5ca77fb938fb83b
