[INFO] cloning repository https://github.com/professionalowo/huffman-coding [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/professionalowo/huffman-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fhuffman-coding", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fhuffman-coding'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74bfc28263a8587246c8f0959e8c19c0014e89a3 [INFO] testing professionalowo/huffman-coding against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fhuffman-coding" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/professionalowo/huffman-coding [INFO] finished tweaking git repo https://github.com/professionalowo/huffman-coding [INFO] tweaked toml for git repo https://github.com/professionalowo/huffman-coding written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/professionalowo/huffman-coding on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/professionalowo/huffman-coding 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3721f0d9cbfae8f8ffb31f246c1e338fd6327f4c4be049a459b7326e24691312 [INFO] running `Command { std: "docker" "start" "-a" "3721f0d9cbfae8f8ffb31f246c1e338fd6327f4c4be049a459b7326e24691312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3721f0d9cbfae8f8ffb31f246c1e338fd6327f4c4be049a459b7326e24691312", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3721f0d9cbfae8f8ffb31f246c1e338fd6327f4c4be049a459b7326e24691312", kill_on_drop: false }` [INFO] [stdout] 3721f0d9cbfae8f8ffb31f246c1e338fd6327f4c4be049a459b7326e24691312 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3450fdb90d263623f3f43540e4bb39138dc933b8b84cda33b1431442c554b623 [INFO] running `Command { std: "docker" "start" "-a" "3450fdb90d263623f3f43540e4bb39138dc933b8b84cda33b1431442c554b623", kill_on_drop: false }` [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `node_data::NodeData` [INFO] [stdout] --> src/tree/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use node_data::NodeData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `MinHeap` is never used [INFO] [stdout] --> src/tree/mod.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | pub type MinHeap = BinaryHeap>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffmanError` is never constructed [INFO] [stdout] --> src/tree/mod.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct HuffmanError(pub String); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffmanTree` is never constructed [INFO] [stdout] --> src/tree/mod.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct HuffmanTree { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/tree/mod.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 30 | pub fn new(root: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn new_root(root: Node) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn root(&self) -> Option<&Node> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn from_text(text: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn build_tree(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn combine_nodes(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_next_node` is never used [INFO] [stdout] --> src/tree/mod.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn get_next_node(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `freq_map` is never used [INFO] [stdout] --> src/tree/mod.rs:80:15 [INFO] [stdout] | [INFO] [stdout] 80 | pub(crate) fn freq_map(text: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `min_heap` is never used [INFO] [stdout] --> src/tree/mod.rs:87:15 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) fn min_heap(text: &str) -> MinHeap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Node` is never used [INFO] [stdout] --> src/tree/node.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `data`, `leaf`, `node`, and `combine` are never used [INFO] [stdout] --> src/tree/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 15 | pub fn data(&self) -> &NodeData { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn leaf(data: NodeData) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn node(data: NodeData, left: Self, right: Self) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn combine(self, other: Self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `internal_seperator` and `internal` are never used [INFO] [stdout] --> src/tree/node_data.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 9 | impl NodeData { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 10 | pub(crate) const fn internal_seperator() -> char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub(crate) fn internal(freq: u64) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "3450fdb90d263623f3f43540e4bb39138dc933b8b84cda33b1431442c554b623", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3450fdb90d263623f3f43540e4bb39138dc933b8b84cda33b1431442c554b623", kill_on_drop: false }` [INFO] [stdout] 3450fdb90d263623f3f43540e4bb39138dc933b8b84cda33b1431442c554b623 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b99dffb6a57d2f8929c6ed9e4fdb767cc4ea430133e7ba74515d48b1fc69fb4 [INFO] running `Command { std: "docker" "start" "-a" "1b99dffb6a57d2f8929c6ed9e4fdb767cc4ea430133e7ba74515d48b1fc69fb4", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `node_data::NodeData` [INFO] [stdout] --> src/tree/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use node_data::NodeData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `MinHeap` is never used [INFO] [stdout] --> src/tree/mod.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | pub type MinHeap = BinaryHeap>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffmanError` is never constructed [INFO] [stdout] --> src/tree/mod.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct HuffmanError(pub String); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `HuffmanTree` is never constructed [INFO] [stdout] --> src/tree/mod.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct HuffmanTree { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/tree/mod.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 30 | pub fn new(root: Option) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn new_root(root: Node) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn root(&self) -> Option<&Node> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn from_text(text: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn build_tree(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn combine_nodes(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_next_node` is never used [INFO] [stdout] --> src/tree/mod.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn get_next_node(heap: &mut MinHeap) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `freq_map` is never used [INFO] [stdout] --> src/tree/mod.rs:80:15 [INFO] [stdout] | [INFO] [stdout] 80 | pub(crate) fn freq_map(text: &str) -> HashMap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `min_heap` is never used [INFO] [stdout] --> src/tree/mod.rs:87:15 [INFO] [stdout] | [INFO] [stdout] 87 | pub(crate) fn min_heap(text: &str) -> MinHeap { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Node` is never used [INFO] [stdout] --> src/tree/node.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `data`, `leaf`, `node`, and `combine` are never used [INFO] [stdout] --> src/tree/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Node { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 15 | pub fn data(&self) -> &NodeData { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | pub fn leaf(data: NodeData) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn node(data: NodeData, left: Self, right: Self) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | pub fn combine(self, other: Self) -> Self { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `internal_seperator` and `internal` are never used [INFO] [stdout] --> src/tree/node_data.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 9 | impl NodeData { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 10 | pub(crate) const fn internal_seperator() -> char { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub(crate) fn internal(freq: u64) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling huffman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `new_root`, `empty`, and `root` are never used [INFO] [stdout] --> src/tree/mod.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 34 | pub fn new_root(root: Node) -> Self { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn empty() -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn root(&self) -> Option<&Node> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `node` is never used [INFO] [stdout] --> src/tree/node.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 14 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 25 | pub fn node(data: NodeData, left: Self, right: Self) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "1b99dffb6a57d2f8929c6ed9e4fdb767cc4ea430133e7ba74515d48b1fc69fb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b99dffb6a57d2f8929c6ed9e4fdb767cc4ea430133e7ba74515d48b1fc69fb4", kill_on_drop: false }` [INFO] [stdout] 1b99dffb6a57d2f8929c6ed9e4fdb767cc4ea430133e7ba74515d48b1fc69fb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8e4af993d6744a01110c32c98e47fc11a17468ae842c8b3f557fedcbd69168d9 [INFO] running `Command { std: "docker" "start" "-a" "8e4af993d6744a01110c32c98e47fc11a17468ae842c8b3f557fedcbd69168d9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `node_data::NodeData` [INFO] [stderr] --> src/tree/mod.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use node_data::NodeData; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type alias `MinHeap` is never used [INFO] [stderr] --> src/tree/mod.rs:13:10 [INFO] [stderr] | [INFO] [stderr] 13 | pub type MinHeap = BinaryHeap>; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `HuffmanError` is never constructed [INFO] [stderr] --> src/tree/mod.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct HuffmanError(pub String); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `HuffmanTree` is never constructed [INFO] [stderr] --> src/tree/mod.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct HuffmanTree { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple associated items are never used [INFO] [stderr] --> src/tree/mod.rs:30:12 [INFO] [stderr] | [INFO] [stderr] 29 | impl HuffmanTree { [INFO] [stderr] | ---------------- associated items in this implementation [INFO] [stderr] 30 | pub fn new(root: Option) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 34 | pub fn new_root(root: Node) -> Self { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 38 | pub fn empty() -> Self { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | pub fn root(&self) -> Option<&Node> { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 46 | pub fn from_text(text: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 53 | fn build_tree(heap: &mut MinHeap) -> Result { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 66 | fn combine_nodes(heap: &mut MinHeap) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `get_next_node` is never used [INFO] [stderr] --> src/tree/mod.rs:73:4 [INFO] [stderr] | [INFO] [stderr] 73 | fn get_next_node(heap: &mut MinHeap) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `freq_map` is never used [INFO] [stderr] --> src/tree/mod.rs:80:15 [INFO] [stderr] | [INFO] [stderr] 80 | pub(crate) fn freq_map(text: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `min_heap` is never used [INFO] [stderr] --> src/tree/mod.rs:87:15 [INFO] [stderr] | [INFO] [stderr] 87 | pub(crate) fn min_heap(text: &str) -> MinHeap { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum `Node` is never used [INFO] [stderr] --> src/tree/node.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | pub enum Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `data`, `leaf`, `node`, and `combine` are never used [INFO] [stderr] --> src/tree/node.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 14 | impl Node { [INFO] [stderr] | --------- associated items in this implementation [INFO] [stderr] 15 | pub fn data(&self) -> &NodeData { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 21 | pub fn leaf(data: NodeData) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 25 | pub fn node(data: NodeData, left: Self, right: Self) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 36 | pub fn combine(self, other: Self) -> Self { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated functions `internal_seperator` and `internal` are never used [INFO] [stderr] --> src/tree/node_data.rs:10:25 [INFO] [stderr] | [INFO] [stderr] 9 | impl NodeData { [INFO] [stderr] | ------------- associated functions in this implementation [INFO] [stderr] 10 | pub(crate) const fn internal_seperator() -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 18 | pub(crate) fn internal(freq: u64) -> Self { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `huffman` (lib) generated 11 warnings (run `cargo fix --lib -p huffman` to apply 1 suggestion) [INFO] [stderr] warning: associated items `new_root`, `empty`, and `root` are never used [INFO] [stderr] --> src/tree/mod.rs:34:12 [INFO] [stderr] | [INFO] [stderr] 29 | impl HuffmanTree { [INFO] [stderr] | ---------------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 34 | pub fn new_root(root: Node) -> Self { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 38 | pub fn empty() -> Self { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 42 | pub fn root(&self) -> Option<&Node> { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `node` is never used [INFO] [stderr] --> src/tree/node.rs:25:12 [INFO] [stderr] | [INFO] [stderr] 14 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 25 | pub fn node(data: NodeData, left: Self, right: Self) -> Self { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `huffman` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/huffman-0e726870e731064b) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tree::tests::freq_map_test ... ok [INFO] [stdout] test tree::tests::max_heap_test ... ok [INFO] [stdout] test tree::tests::huffman_tree_from_text_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests huffman [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" "8e4af993d6744a01110c32c98e47fc11a17468ae842c8b3f557fedcbd69168d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e4af993d6744a01110c32c98e47fc11a17468ae842c8b3f557fedcbd69168d9", kill_on_drop: false }` [INFO] [stdout] 8e4af993d6744a01110c32c98e47fc11a17468ae842c8b3f557fedcbd69168d9