[INFO] cloning repository https://github.com/erewok/milos-mazes-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erewok/milos-mazes-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2fccf4f8e4a1f275900b746bac7cad11dd71d2a5 [INFO] testing erewok/milos-mazes-rs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferewok%2Fmilos-mazes-rs" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... 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[INFO] validating manifest of git repo https://github.com/erewok/milos-mazes-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/erewok/milos-mazes-rs [INFO] finished tweaking git repo https://github.com/erewok/milos-mazes-rs [INFO] tweaked toml for git repo https://github.com/erewok/milos-mazes-rs written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/erewok/milos-mazes-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typed-arena v2.0.1 [INFO] [stderr] Downloaded lyon_geom v0.15.0 [INFO] [stderr] Downloaded dwrote v0.11.0 [INFO] [stderr] Downloaded raqote v0.8.0 [INFO] [stderr] Downloaded sw-composite v0.7.10 [INFO] [stderr] Downloaded font-kit v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2aff696f65bc41feafa0117ae6e0cd192bfbd40fb20e0e4e79f67cbc241f09e6 [INFO] running `Command { std: "docker" "start" "-a" "2aff696f65bc41feafa0117ae6e0cd192bfbd40fb20e0e4e79f67cbc241f09e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2aff696f65bc41feafa0117ae6e0cd192bfbd40fb20e0e4e79f67cbc241f09e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aff696f65bc41feafa0117ae6e0cd192bfbd40fb20e0e4e79f67cbc241f09e6", kill_on_drop: false }` [INFO] [stdout] 2aff696f65bc41feafa0117ae6e0cd192bfbd40fb20e0e4e79f67cbc241f09e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae69c20929ebae2180e5b278271e742c6d4ce549c2b7c7fdc79c4b2f7a29c117 [INFO] running `Command { std: "docker" "start" "-a" "ae69c20929ebae2180e5b278271e742c6d4ce549c2b7c7fdc79c4b2f7a29c117", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling float-ord v0.2.0 [INFO] [stderr] Compiling os_str_bytes v2.4.0 [INFO] [stderr] Compiling sw-composite v0.7.10 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling textwrap v0.12.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling pathfinder_simd v0.5.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling pathfinder_geometry v0.5.1 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling servo-fontconfig v0.4.0 [INFO] [stderr] Compiling euclid v0.20.7 [INFO] [stderr] Compiling png v0.15.3 [INFO] [stderr] Compiling font-kit v0.7.1 [INFO] [stderr] Compiling lyon_geom v0.15.0 [INFO] [stderr] Compiling raqote v0.8.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling clap v3.0.0-beta.2 [INFO] [stderr] Compiling milos-mazes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut hgrid = match opts.algorithm.as_str() { [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: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/distances.rs:31:25 [INFO] [stdout] | [INFO] [stdout] 30 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 31 | distance_map.insert(*key, current_weight + 1); [INFO] [stdout] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/distances.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 52 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 53 | distance_map.insert(*key, current_weight + 1); [INFO] [stdout] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_tree_cell` [INFO] [stdout] --> src/algorithms.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn binary_tree_cell(some_cell: &mut cell::Cell) -> &mut cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_tree` [INFO] [stdout] --> src/algorithms.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn binary_tree(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sidewinder` [INFO] [stdout] --> src/algorithms.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn sidewinder(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `neighbor_cells` [INFO] [stdout] --> src/cell.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn neighbor_cells(coords: (i32, i32)) -> collections::HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `coords` [INFO] [stdout] --> src/cell.rs:68:12 [INFO] [stdout] | [INFO] [stdout] 68 | pub fn coords(&self) -> (i32, i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_neighbor` [INFO] [stdout] --> src/cell.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn add_neighbor(&mut self, other: (i32, i32)) -> Option<()> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `neighbor_direction` [INFO] [stdout] --> src/cell.rs:114:12 [INFO] [stdout] | [INFO] [stdout] 114 | pub fn neighbor_direction(&self, neighbor: (i32, i32)) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `neighbors` [INFO] [stdout] --> src/cell.rs:142:12 [INFO] [stdout] | [INFO] [stdout] 142 | pub fn neighbors(&self) -> Vec<&(i32, i32)> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_grid` [INFO] [stdout] --> src/distances.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn from_grid(start: (i32, i32), grid: &grid::Grid) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Neighbors` [INFO] [stdout] --> src/grid.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Neighbors { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_neighbor_coords` [INFO] [stdout] --> src/grid.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get_neighbor_coords(current: (i32, i32)) -> Neighbors { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/grid.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(rows: i32, columns: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_cells` [INFO] [stdout] --> src/grid.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/grid.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn iter(&self) -> IterGrid { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prepare_grid` [INFO] [stdout] --> src/grid.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn prepare_grid(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `configure_cells` [INFO] [stdout] --> src/grid.rs:72:12 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn configure_cells(&mut self) -> &mut Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `replace_cell` [INFO] [stdout] --> src/grid.rs:117:12 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn replace_cell(&mut self, cll: cell::Cell) -> Result<(), &str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/grid.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell` [INFO] [stdout] --> src/grid.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn random_cell(&self) -> &cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell_cloned` [INFO] [stdout] --> src/grid.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn random_cell_cloned(&self) -> cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell_mut` [INFO] [stdout] --> src/grid.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn random_cell_mut(&mut self) -> &mut cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `each_row` [INFO] [stdout] --> src/grid.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn each_row(&self) -> std::slice::Iter> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_png` [INFO] [stdout] --> src/grid.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn to_png(&self, cell_size: i32, filename: &str) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> src/grid.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 200 | next: Option<&'a cell::Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/grid.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 204 | fn new(grid: &'a Grid) -> IterGrid<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `from_grid` [INFO] [stdout] --> src/graph.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn from_grid(some_grid: grid::Grid) -> UnGraph<(i32, i32), ()> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `base_from_coords` [INFO] [stdout] --> src/graph.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn base_from_coords(rows: i32, columns: i32) -> UnGraph<(i32, i32), ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_png` [INFO] [stdout] --> src/graph.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn to_png(graph: &UnGraph<(i32, i32), ()>, cell_size: i32, columns: i32, rows: i32, filename: &str) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_cells` [INFO] [stdout] --> src/hash_grid.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/hash_grid.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | hgrid.to_png(30, fname.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/algorithms.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | hgrid.replace_cell(cll); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/algorithms.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | hgrid.replace_cell(ncell.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 36 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.73s [INFO] running `Command { std: "docker" "inspect" "ae69c20929ebae2180e5b278271e742c6d4ce549c2b7c7fdc79c4b2f7a29c117", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae69c20929ebae2180e5b278271e742c6d4ce549c2b7c7fdc79c4b2f7a29c117", kill_on_drop: false }` [INFO] [stdout] ae69c20929ebae2180e5b278271e742c6d4ce549c2b7c7fdc79c4b2f7a29c117 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03fea338529542172075509d2536075b9361452c2cdd8fa7b6f2a05f3c509eb9 [INFO] running `Command { std: "docker" "start" "-a" "03fea338529542172075509d2536075b9361452c2cdd8fa7b6f2a05f3c509eb9", kill_on_drop: false }` [INFO] [stderr] Compiling milos-mazes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `base_from_coords` [INFO] [stdout] --> src/graph.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | use super::{base_from_coords, from_grid}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Config`, `Dot` [INFO] [stdout] --> src/graph.rs:76:25 [INFO] [stdout] | [INFO] [stdout] 76 | use petgraph::dot::{Dot, Config}; [INFO] [stdout] | ^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut hgrid = match opts.algorithm.as_str() { [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: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/distances.rs:31:25 [INFO] [stdout] | [INFO] [stdout] 30 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 31 | distance_map.insert(*key, current_weight + 1); [INFO] [stdout] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/distances.rs:53:25 [INFO] [stdout] | [INFO] [stdout] 52 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stdout] | ------------ immutable borrow occurs here [INFO] [stdout] 53 | distance_map.insert(*key, current_weight + 1); [INFO] [stdout] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_tree_cell` [INFO] [stdout] --> src/algorithms.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn binary_tree_cell(some_cell: &mut cell::Cell) -> &mut cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `binary_tree` [INFO] [stdout] --> src/algorithms.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn binary_tree(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `sidewinder` [INFO] [stdout] --> src/algorithms.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn sidewinder(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `neighbor_cells` [INFO] [stdout] --> src/cell.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn neighbor_cells(coords: (i32, i32)) -> collections::HashMap { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_neighbor` [INFO] [stdout] --> src/cell.rs:90:12 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn add_neighbor(&mut self, other: (i32, i32)) -> Option<()> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_grid` [INFO] [stdout] --> src/distances.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub fn from_grid(start: (i32, i32), grid: &grid::Grid) -> Self { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_cells` [INFO] [stdout] --> src/grid.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/grid.rs:130:12 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell` [INFO] [stdout] --> src/grid.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn random_cell(&self) -> &cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell_cloned` [INFO] [stdout] --> src/grid.rs:140:12 [INFO] [stdout] | [INFO] [stdout] 140 | pub fn random_cell_cloned(&self) -> cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `random_cell_mut` [INFO] [stdout] --> src/grid.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn random_cell_mut(&mut self) -> &mut cell::Cell { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `each_row` [INFO] [stdout] --> src/grid.rs:153:12 [INFO] [stdout] | [INFO] [stdout] 153 | pub fn each_row(&self) -> std::slice::Iter> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_png` [INFO] [stdout] --> src/grid.rs:157:12 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn to_png(&self, cell_size: i32, filename: &str) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `next` [INFO] [stdout] --> src/grid.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 200 | next: Option<&'a cell::Cell>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `base_from_coords` [INFO] [stdout] --> src/graph.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn base_from_coords(rows: i32, columns: i32) -> UnGraph<(i32, i32), ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `to_png` [INFO] [stdout] --> src/graph.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn to_png(graph: &UnGraph<(i32, i32), ()>, cell_size: i32, columns: i32, rows: i32, filename: &str) -> Result<(), String> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_cells` [INFO] [stdout] --> src/hash_grid.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/hash_grid.rs:131:12 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | hgrid.to_png(30, fname.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/algorithms.rs:93:13 [INFO] [stdout] | [INFO] [stdout] 93 | hgrid.replace_cell(cll); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/algorithms.rs:94:13 [INFO] [stdout] | [INFO] [stdout] 94 | hgrid.replace_cell(ncell.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graph.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | new_grid.replace_cell(c1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graph.rs:89:9 [INFO] [stdout] | [INFO] [stdout] 89 | new_grid.replace_cell(c2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/graph.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | new_grid.replace_cell(c3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 29 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "03fea338529542172075509d2536075b9361452c2cdd8fa7b6f2a05f3c509eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03fea338529542172075509d2536075b9361452c2cdd8fa7b6f2a05f3c509eb9", kill_on_drop: false }` [INFO] [stdout] 03fea338529542172075509d2536075b9361452c2cdd8fa7b6f2a05f3c509eb9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 887ac7f2d51177be97a6b0f2b530a57ea558cbc88073e069f1c83f0d2dc53e7e [INFO] running `Command { std: "docker" "start" "-a" "887ac7f2d51177be97a6b0f2b530a57ea558cbc88073e069f1c83f0d2dc53e7e", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `base_from_coords` [INFO] [stderr] --> src/graph.rs:75:17 [INFO] [stderr] | [INFO] [stderr] 75 | use super::{base_from_coords, from_grid}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Config`, `Dot` [INFO] [stderr] --> src/graph.rs:76:25 [INFO] [stderr] | [INFO] [stderr] 76 | use petgraph::dot::{Dot, Config}; [INFO] [stderr] | ^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let mut hgrid = match opts.algorithm.as_str() { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/distances.rs:31:25 [INFO] [stderr] | [INFO] [stderr] 30 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stderr] | ------------ immutable borrow occurs here [INFO] [stderr] 31 | distance_map.insert(*key, current_weight + 1); [INFO] [stderr] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `distance_map` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/distances.rs:53:25 [INFO] [stderr] | [INFO] [stderr] 52 | let current_weight = distance_map.get(&(cell.row, cell.column)).unwrap(); [INFO] [stderr] | ------------ immutable borrow occurs here [INFO] [stderr] 53 | distance_map.insert(*key, current_weight + 1); [INFO] [stderr] | ^^^^^^^^^^^^ -------------- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: function is never used: `binary_tree_cell` [INFO] [stderr] --> src/algorithms.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn binary_tree_cell(some_cell: &mut cell::Cell) -> &mut cell::Cell { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `binary_tree` [INFO] [stderr] --> src/algorithms.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn binary_tree(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sidewinder` [INFO] [stderr] --> src/algorithms.rs:38:8 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn sidewinder(some_grid: &grid::Grid) -> grid::Grid { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `neighbor_cells` [INFO] [stderr] --> src/cell.rs:22:8 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn neighbor_cells(coords: (i32, i32)) -> collections::HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `add_neighbor` [INFO] [stderr] --> src/cell.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn add_neighbor(&mut self, other: (i32, i32)) -> Option<()> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_grid` [INFO] [stderr] --> src/distances.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn from_grid(start: (i32, i32), grid: &grid::Grid) -> Self { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_cells` [INFO] [stderr] --> src/grid.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> src/grid.rs:130:12 [INFO] [stderr] | [INFO] [stderr] 130 | pub fn size(&self) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `random_cell` [INFO] [stderr] --> src/grid.rs:134:12 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn random_cell(&self) -> &cell::Cell { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `random_cell_cloned` [INFO] [stderr] --> src/grid.rs:140:12 [INFO] [stderr] | [INFO] [stderr] 140 | pub fn random_cell_cloned(&self) -> cell::Cell { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `random_cell_mut` [INFO] [stderr] --> src/grid.rs:146:12 [INFO] [stderr] | [INFO] [stderr] 146 | pub fn random_cell_mut(&mut self) -> &mut cell::Cell { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `each_row` [INFO] [stderr] --> src/grid.rs:153:12 [INFO] [stderr] | [INFO] [stderr] 153 | pub fn each_row(&self) -> std::slice::Iter> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_png` [INFO] [stderr] --> src/grid.rs:157:12 [INFO] [stderr] | [INFO] [stderr] 157 | pub fn to_png(&self, cell_size: i32, filename: &str) -> Result<(), String> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `next` [INFO] [stderr] --> src/grid.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 200 | next: Option<&'a cell::Cell>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `base_from_coords` [INFO] [stderr] --> src/graph.rs:38:8 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn base_from_coords(rows: i32, columns: i32) -> UnGraph<(i32, i32), ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `to_png` [INFO] [stderr] --> src/graph.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn to_png(graph: &UnGraph<(i32, i32), ()>, cell_size: i32, columns: i32, rows: i32, filename: &str) -> Result<(), String> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `from_cells` [INFO] [stderr] --> src/hash_grid.rs:54:12 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn from_cells(cells: Vec>) -> Self { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `size` [INFO] [stderr] --> src/hash_grid.rs:131:12 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn size(&self) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | hgrid.to_png(30, fname.as_str()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/algorithms.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | hgrid.replace_cell(cll); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/algorithms.rs:94:13 [INFO] [stderr] | [INFO] [stderr] 94 | hgrid.replace_cell(ncell.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/graph.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | new_grid.replace_cell(c1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/graph.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | new_grid.replace_cell(c2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/graph.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | new_grid.replace_cell(c3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 29 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/milos_mazes-a7b72e5c47563e50) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test graph::test::test_from_coords ... ok [INFO] [stdout] test grid::test::iter ... ok [INFO] [stdout] test graph::test::test_from_grid ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "887ac7f2d51177be97a6b0f2b530a57ea558cbc88073e069f1c83f0d2dc53e7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "887ac7f2d51177be97a6b0f2b530a57ea558cbc88073e069f1c83f0d2dc53e7e", kill_on_drop: false }` [INFO] [stdout] 887ac7f2d51177be97a6b0f2b530a57ea558cbc88073e069f1c83f0d2dc53e7e