[INFO] cloning repository https://github.com/louix33/rustgzip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/louix33/rustgzip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouix33%2Frustgzip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouix33%2Frustgzip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6732b1ad62d33b75d0734b2da45e441d5eb4e01d
[INFO] checking louix33/rustgzip against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouix33%2Frustgzip" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/louix33/rustgzip
[INFO] finished tweaking git repo https://github.com/louix33/rustgzip
[INFO] tweaked toml for git repo https://github.com/louix33/rustgzip written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/louix33/rustgzip on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/louix33/rustgzip 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking louix33/rustgzip against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouix33%2Frustgzip" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/louix33/rustgzip
[INFO] finished tweaking git repo https://github.com/louix33/rustgzip
[INFO] tweaked toml for git repo https://github.com/louix33/rustgzip written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/louix33/rustgzip on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/louix33/rustgzip 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.11
[INFO] [stderr]   Downloaded bitstream-io v1.7.0
[INFO] [stderr]   Downloaded clap_builder v4.3.11
[INFO] [stderr]   Downloaded rustix v0.38.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c7d803b220445c9548efc232f5e6c4960f55bf444573acf1e2a1990b1d27cd1
[INFO] running `Command { std: "docker" "start" "-a" "7c7d803b220445c9548efc232f5e6c4960f55bf444573acf1e2a1990b1d27cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7d803b220445c9548efc232f5e6c4960f55bf444573acf1e2a1990b1d27cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7d803b220445c9548efc232f5e6c4960f55bf444573acf1e2a1990b1d27cd1", kill_on_drop: false }`
[INFO] [stdout] 7c7d803b220445c9548efc232f5e6c4960f55bf444573acf1e2a1990b1d27cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24f0572bec49076177ace6acbb53223bf929dffe353c7e40de1d0a71b2ba7ebf
[INFO] running `Command { std: "docker" "start" "-a" "24f0572bec49076177ace6acbb53223bf929dffe353c7e40de1d0a71b2ba7ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bitstream-io v1.7.0
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.11
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.11
[INFO] [stderr]     Checking rustgzip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `frequencies`
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequencies`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_bits`
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:52
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn build_from_tree(tree: &HuffmanTree) -> Self {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut codelens = limited_codelens_from_freq(frequencies, MAX_BITS);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `limited_codelens_from_freq` is never used
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_from_tree` is never used
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl HuffmanCodes {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 105 |     pub fn build_from_tree(tree: &HuffmanTree) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `character`, `left`, and `right` are never read
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct HuffmanTree {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 171 |     character: Option<u16>, // 0-285
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 172 |     left: Option<Box<HuffmanTree>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 173 |     right: Option<Box<HuffmanTree>>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_leaf`, `build_canonical_from_freq`, `build_canonical_from_codelens`, `build_from_codes`, and `decode_char` are never used
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl HuffmanTree {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 177 |     /// Create a new huffman tree node with no children
[INFO] [stdout] 178 |     pub fn new(character: Option<u16>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn build_canonical_from_freq(frequencies: &[u32]) -> Result<Self, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn build_canonical_from_codelens(codelens: &[u32]) -> Result<Self, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn build_from_codes(codes: &HuffmanCodes) -> Result<Self, DecodeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub fn decode_char<R: Read>(&self, reader: &mut BitReader<R, LittleEndian>) -> Result<u16, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dynamic_huffman_encode_block` is never used
[INFO] [stdout]   --> src/deflate/huffman/encode.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn dynamic_huffman_encode_block(block: &[Symbol]) -> Result<(Vec<u8>, (u32, u8)), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `front_mut`, `back_mut`, and `capacity` are never used
[INFO] [stdout]   --> src/circular_buf.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Default+Clone> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HLIT` should have a snake case name
[INFO] [stdout]    --> src/deflate/huffman/encode.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let HLIT = literal_codelens.len() as u32 - 257;
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `hlit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HDIST` should have a snake case name
[INFO] [stdout]    --> src/deflate/huffman/encode.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let HDIST = distance_codelens.len() as u32 - 1;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `hdist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frequencies`
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |                               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequencies`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `max_bits`
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:52
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |                                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_max_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn build_from_tree(tree: &HuffmanTree) -> Self {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let mut codelens = limited_codelens_from_freq(frequencies, MAX_BITS);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `limited_codelens_from_freq` is never used
[INFO] [stdout]   --> src/deflate/huffman/mod.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn limited_codelens_from_freq(frequencies: &[u32], max_bits: u32) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_from_tree` is never used
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl HuffmanCodes {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 105 |     pub fn build_from_tree(tree: &HuffmanTree) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `character`, `left`, and `right` are never read
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct HuffmanTree {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 171 |     character: Option<u16>, // 0-285
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 172 |     left: Option<Box<HuffmanTree>>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 173 |     right: Option<Box<HuffmanTree>>
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_leaf`, `build_canonical_from_freq`, `build_canonical_from_codelens`, `build_from_codes`, and `decode_char` are never used
[INFO] [stdout]    --> src/deflate/huffman/mod.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl HuffmanTree {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 177 |     /// Create a new huffman tree node with no children
[INFO] [stdout] 178 |     pub fn new(character: Option<u16>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     pub fn is_leaf(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     pub fn build_canonical_from_freq(frequencies: &[u32]) -> Result<Self, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 |     pub fn build_canonical_from_codelens(codelens: &[u32]) -> Result<Self, DecodeError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn build_from_codes(codes: &HuffmanCodes) -> Result<Self, DecodeError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub fn decode_char<R: Read>(&self, reader: &mut BitReader<R, LittleEndian>) -> Result<u16, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dynamic_huffman_encode_block` is never used
[INFO] [stdout]   --> src/deflate/huffman/encode.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn dynamic_huffman_encode_block(block: &[Symbol]) -> Result<(Vec<u8>, (u32, u8)), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `front_mut`, `back_mut`, and `capacity` are never used
[INFO] [stdout]   --> src/circular_buf.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Default+Clone> CircularBuf<T> {
[INFO] [stdout]    | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn front_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn back_mut(&mut self) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn capacity(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HLIT` should have a snake case name
[INFO] [stdout]    --> src/deflate/huffman/encode.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let HLIT = literal_codelens.len() as u32 - 257;
[INFO] [stdout]     |         ^^^^ help: convert the identifier to snake case: `hlit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HDIST` should have a snake case name
[INFO] [stdout]    --> src/deflate/huffman/encode.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let HDIST = distance_codelens.len() as u32 - 1;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `hdist`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "24f0572bec49076177ace6acbb53223bf929dffe353c7e40de1d0a71b2ba7ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24f0572bec49076177ace6acbb53223bf929dffe353c7e40de1d0a71b2ba7ebf", kill_on_drop: false }`
[INFO] [stdout] 24f0572bec49076177ace6acbb53223bf929dffe353c7e40de1d0a71b2ba7ebf
