[INFO] cloning repository https://github.com/finnegantdewitt/graphs-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finnegantdewitt/graphs-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnegantdewitt%2Fgraphs-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnegantdewitt%2Fgraphs-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 119255b8c941f95ffe418a103e068b8025b4aa79 [INFO] building finnegantdewitt/graphs-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnegantdewitt%2Fgraphs-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/finnegantdewitt/graphs-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/finnegantdewitt/graphs-rust [INFO] finished tweaking git repo https://github.com/finnegantdewitt/graphs-rust [INFO] tweaked toml for git repo https://github.com/finnegantdewitt/graphs-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/finnegantdewitt/graphs-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8367d2e64d9406b382db10e60358b7c69c2d5557986c2eeffb8df2244cd82633 [INFO] running `Command { std: "docker" "start" "-a" "8367d2e64d9406b382db10e60358b7c69c2d5557986c2eeffb8df2244cd82633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8367d2e64d9406b382db10e60358b7c69c2d5557986c2eeffb8df2244cd82633", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8367d2e64d9406b382db10e60358b7c69c2d5557986c2eeffb8df2244cd82633", kill_on_drop: false }` [INFO] [stdout] 8367d2e64d9406b382db10e60358b7c69c2d5557986c2eeffb8df2244cd82633 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1e5daa37f80a07bbb2778aa0b131fff59f901293c383e0fa1575c79f4d66082 [INFO] running `Command { std: "docker" "start" "-a" "b1e5daa37f80a07bbb2778aa0b131fff59f901293c383e0fa1575c79f4d66082", kill_on_drop: false }` [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/opt_maze.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Pointer` [INFO] [stdout] --> src/opt_maze.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Pointer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/opt_maze.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `from` [INFO] [stdout] --> src/opt_maze.rs:311:14 [INFO] [stdout] | [INFO] [stdout] 311 | for (from, edge_vec) in self.graph.edges.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_buffer_greyscale` [INFO] [stdout] --> src/opt_maze.rs:285:9 [INFO] [stdout] | [INFO] [stdout] 285 | is_buffer_greyscale: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_buffer_greyscale` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/opt_maze.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct OptMaze { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | start: RefNode, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | end: RefNode, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert_greyscale_buf_to_rgb` is never used [INFO] [stdout] --> src/opt_maze.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn convert_greyscale_buf_to_rgb(image_buffer: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufWriter` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..runs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `naive_maze` [INFO] [stdout] --> src/main.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut naive_maze = Maze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_naive_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in 0..runs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `opt_maze` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut opt_maze = OptMaze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut naive_maze = Maze::from(&buf, width, height, is_greyscale); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut opt_maze = OptMaze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_file` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let output_file = if args.len() == 2 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.69s [INFO] running `Command { std: "docker" "inspect" "b1e5daa37f80a07bbb2778aa0b131fff59f901293c383e0fa1575c79f4d66082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1e5daa37f80a07bbb2778aa0b131fff59f901293c383e0fa1575c79f4d66082", kill_on_drop: false }` [INFO] [stdout] b1e5daa37f80a07bbb2778aa0b131fff59f901293c383e0fa1575c79f4d66082 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e47a765fb66b0dfd658bc6cfcd27eaca3cdae29efb3d997f918b32bff29835f [INFO] running `Command { std: "docker" "start" "-a" "8e47a765fb66b0dfd658bc6cfcd27eaca3cdae29efb3d997f918b32bff29835f", kill_on_drop: false }` [INFO] [stderr] Compiling graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/opt_maze.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Pointer` [INFO] [stdout] --> src/opt_maze.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Pointer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/opt_maze.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `from` [INFO] [stdout] --> src/opt_maze.rs:311:14 [INFO] [stdout] | [INFO] [stdout] 311 | for (from, edge_vec) in self.graph.edges.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_buffer_greyscale` [INFO] [stdout] --> src/opt_maze.rs:285:9 [INFO] [stdout] | [INFO] [stdout] 285 | is_buffer_greyscale: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_buffer_greyscale` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/opt_maze.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct OptMaze { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | start: RefNode, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | end: RefNode, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert_greyscale_buf_to_rgb` is never used [INFO] [stdout] --> src/opt_maze.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn convert_greyscale_buf_to_rgb(image_buffer: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/opt_maze.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufWriter` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::io::BufWriter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::Pointer` [INFO] [stdout] --> src/opt_maze.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fmt::Pointer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::current` [INFO] [stdout] --> src/opt_maze.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread::current; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::graph::*` [INFO] [stdout] --> src/lib.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | use super::graph::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | for i in 0..runs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `naive_maze` [INFO] [stdout] --> src/main.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut naive_maze = Maze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_naive_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | for i in 0..runs { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `opt_maze` [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut opt_maze = OptMaze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opt_maze` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | let mut naive_maze = Maze::from(&buf, width, height, is_greyscale); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut opt_maze = OptMaze::from(&buf, width, height, is_greyscale); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `output_file` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let output_file = if args.len() == 2 { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `from` [INFO] [stdout] --> src/opt_maze.rs:311:14 [INFO] [stdout] | [INFO] [stdout] 311 | for (from, edge_vec) in self.graph.edges.iter() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_from` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_buffer_greyscale` [INFO] [stdout] --> src/opt_maze.rs:285:9 [INFO] [stdout] | [INFO] [stdout] 285 | is_buffer_greyscale: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_buffer_greyscale` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/opt_maze.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct OptMaze { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | start: RefNode, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 18 | end: RefNode, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `convert_greyscale_buf_to_rgb` is never used [INFO] [stdout] --> src/opt_maze.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn convert_greyscale_buf_to_rgb(image_buffer: &mut Vec) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "8e47a765fb66b0dfd658bc6cfcd27eaca3cdae29efb3d997f918b32bff29835f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e47a765fb66b0dfd658bc6cfcd27eaca3cdae29efb3d997f918b32bff29835f", kill_on_drop: false }` [INFO] [stdout] 8e47a765fb66b0dfd658bc6cfcd27eaca3cdae29efb3d997f918b32bff29835f