[INFO] cloning repository https://github.com/takus69/ahc031 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takus69/ahc031" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc031", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc031'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bb9d256056c88f8e01ebb3586f90cdcd2ab671d [INFO] checking takus69/ahc031 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc031" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takus69/ahc031 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takus69/ahc031 [INFO] finished tweaking git repo https://github.com/takus69/ahc031 [INFO] tweaked toml for git repo https://github.com/takus69/ahc031 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/takus69/ahc031 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" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking takus69/ahc031 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakus69%2Fahc031" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takus69/ahc031 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takus69/ahc031 [INFO] finished tweaking git repo https://github.com/takus69/ahc031 [INFO] tweaked toml for git repo https://github.com/takus69/ahc031 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/takus69/ahc031 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" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cd216a5a35ddbd1c8774ca8df76c7def56ff4783fcd876b49173c5291b40304 [INFO] running `Command { std: "docker" "start" "-a" "4cd216a5a35ddbd1c8774ca8df76c7def56ff4783fcd876b49173c5291b40304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cd216a5a35ddbd1c8774ca8df76c7def56ff4783fcd876b49173c5291b40304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cd216a5a35ddbd1c8774ca8df76c7def56ff4783fcd876b49173c5291b40304", kill_on_drop: false }` [INFO] [stdout] 4cd216a5a35ddbd1c8774ca8df76c7def56ff4783fcd876b49173c5291b40304 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5091db4fbc7bdb8b8c7c8e417f026a5fef92092f3600eee0bf6086ef8abaab18 [INFO] running `Command { std: "docker" "start" "-a" "5091db4fbc7bdb8b8c7c8e417f026a5fef92092f3600eee0bf6086ef8abaab18", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking proconio v0.4.5 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ahc031 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/bin/sample01.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct Input { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | a: Vec>, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/bin/sample05.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `a` is never read [INFO] [stdout] --> src/bin/sample01.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct Input { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | a: Vec>, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/bin/sample05.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `candidate_adjacent` is assigned to, but never used [INFO] [stdout] --> src/bin/sample04.rs:242:25 [INFO] [stdout] | [INFO] [stdout] 242 | let mut candidate_adjacent = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_candidate_adjacent` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: `j` [INFO] [stdout] --> src/main.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/main.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/main.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/main.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/main.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/main.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/main.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/main.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/main.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/main.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/main.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/main.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/main.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/main.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/bin/sample03.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/sample05.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/bin/sample05.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/bin/sample05.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/bin/sample05.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/bin/sample05.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/bin/sample05.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/bin/sample05.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/bin/sample05.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/bin/sample05.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/bin/sample05.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/bin/sample05.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample05.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/bin/sample05.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample05.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng`, `SeedableRng`, and `rngs::StdRng` [INFO] [stdout] --> src/bin/sample03.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::{Rng, SeedableRng, rngs::StdRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample05.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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/bin/sample05.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample05.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/bin/sample05.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/bin/sample05.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `candidate_adjacent` is assigned to, but never used [INFO] [stdout] --> src/bin/sample04.rs:242:25 [INFO] [stdout] | [INFO] [stdout] 242 | let mut candidate_adjacent = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_candidate_adjacent` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/sample05.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: `j` [INFO] [stdout] --> src/bin/sample05.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/bin/sample05.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/bin/sample05.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/bin/sample05.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/bin/sample05.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/bin/sample05.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/bin/sample05.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/bin/sample05.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/bin/sample05.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/bin/sample05.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample05.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/bin/sample05.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample05.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample05.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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/bin/sample05.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample05.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/bin/sample05.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/bin/sample05.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: `j` [INFO] [stdout] --> src/main.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/main.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/main.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/sample03.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: `c1` [INFO] [stdout] --> src/main.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/main.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/main.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/main.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/main.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/main.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/main.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/bin/sample03.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/bin/sample03.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/bin/sample03.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/bin/sample03.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/bin/sample03.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/bin/sample03.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/bin/sample03.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/bin/sample03.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/bin/sample03.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/bin/sample03.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample03.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/main.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/main.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/bin/sample03.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample03.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample03.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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/bin/sample03.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample03.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/sample03.rs:372:21 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [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: multiple methods are never used [INFO] [stdout] --> src/main.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/main.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/bin/sample03.rs:372:31 [INFO] [stdout] | [INFO] [stdout] 372 | fn stack(&self, i: usize, j: usize, w: usize, a: &Vec<(usize, usize)>) -> Vec<(usize, usize, i64, usize, usize)> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h` [INFO] [stdout] --> src/bin/sample03.rs:422:26 [INFO] [stdout] | [INFO] [stdout] 422 | for (h, a, _, k, min_h) in data { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/bin/sample03.rs:482:22 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/bin/sample03.rs:482:26 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k1` [INFO] [stdout] --> src/bin/sample03.rs:482:30 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h1` [INFO] [stdout] --> src/bin/sample03.rs:482:34 [INFO] [stdout] | [INFO] [stdout] 482 | for (i, (h1, b1, c1, k1, min_h1)) in data1.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/bin/sample03.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/bin/sample03.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `check_zero` is never used [INFO] [stdout] --> src/bin/sample03.rs:718:8 [INFO] [stdout] | [INFO] [stdout] 566 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 718 | fn check_zero(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/bin/sample03.rs:484:26 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/bin/sample03.rs:484:30 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k2` [INFO] [stdout] --> src/bin/sample03.rs:484:34 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_k2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `min_h2` [INFO] [stdout] --> src/bin/sample03.rs:484:38 [INFO] [stdout] | [INFO] [stdout] 484 | for (j, (h2, b2, c2, k2, min_h2)) in data2.iter().enumerate() { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_min_h2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample03.rs:646:17 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `optimal_cost` [INFO] [stdout] --> src/bin/sample03.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_optimal_cost` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ar` [INFO] [stdout] --> src/bin/sample03.rs:670:21 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ar` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample03.rs:646:13 [INFO] [stdout] | [INFO] [stdout] 646 | let mut ar = Arrangement::new(self.w, self.n); [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/bin/sample03.rs:668:13 [INFO] [stdout] | [INFO] [stdout] 668 | let mut optimal_cost = self.solution.cost(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/sample03.rs:670:17 [INFO] [stdout] | [INFO] [stdout] 670 | let mut ar = self.solution.arrangements[d].clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/bin/sample03.rs:74:8 [INFO] [stdout] | [INFO] [stdout] 30 | impl Room { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 74 | fn cost(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn overlap_partition(&self, other: &Room) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn add_coordinate(&self, x: usize, d: i64) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 174 | fn expand(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | fn shrink(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 198 | fn shift(&self, d: char) -> Room { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 222 | fn candidates(&self) -> Vec<(usize, Room)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `init`, `optimize`, and `overlap` are never used [INFO] [stdout] --> src/bin/sample03.rs:280:8 [INFO] [stdout] | [INFO] [stdout] 274 | impl Arrangement { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 280 | fn init(&mut self, a: Vec) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 291 | fn optimize(&mut self) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 362 | fn overlap(&self, ar: &Arrangement) -> usize { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `check_zero` is never used [INFO] [stdout] --> src/bin/sample03.rs:718:8 [INFO] [stdout] | [INFO] [stdout] 566 | impl Solver { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 718 | fn check_zero(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s [INFO] running `Command { std: "docker" "inspect" "5091db4fbc7bdb8b8c7c8e417f026a5fef92092f3600eee0bf6086ef8abaab18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5091db4fbc7bdb8b8c7c8e417f026a5fef92092f3600eee0bf6086ef8abaab18", kill_on_drop: false }` [INFO] [stdout] 5091db4fbc7bdb8b8c7c8e417f026a5fef92092f3600eee0bf6086ef8abaab18