[INFO] cloning repository https://github.com/link-a/learning-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/link-a/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5cfe739935d47058eacef6536a5a34cefc528368 [INFO] checking link-a/learning-rust against try#d42a007e04d1d7df0de258d39ac2402f35aba932 for pr-103029-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flink-a%2Flearning-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... 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028fd6726405a1e931b4acb953184b37fcb7a4e3cffd6873bdf8d9ed0e323646 [INFO] running `Command { std: "docker" "start" "-a" "028fd6726405a1e931b4acb953184b37fcb7a4e3cffd6873bdf8d9ed0e323646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "028fd6726405a1e931b4acb953184b37fcb7a4e3cffd6873bdf8d9ed0e323646", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "028fd6726405a1e931b4acb953184b37fcb7a4e3cffd6873bdf8d9ed0e323646", kill_on_drop: false }` [INFO] [stdout] 028fd6726405a1e931b4acb953184b37fcb7a4e3cffd6873bdf8d9ed0e323646 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e263e34f16e2a3802371eb10f47aab7f328a79b5b202ea5f2ef0393d8c826bb1 [INFO] running `Command { std: "docker" "start" "-a" "e263e34f16e2a3802371eb10f47aab7f328a79b5b202ea5f2ef0393d8c826bb1", kill_on_drop: false }` [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking bloom v0.3.2 [INFO] [stderr] Checking ctci v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/bin/ref_cells.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/bin/ref_cells.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/bin/ref_cells.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/bin/ref_cells.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/bin/ref_cells.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/bin/ref_cells.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 15 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 16 | next: Option>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/bin/min_depth_binary_tree.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Solution {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `min_depth` is never used [INFO] [stdout] --> src/bin/min_depth_binary_tree.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 26 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 27 | pub fn min_depth(root: Option>>) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Option>` instead of borrowing the inner type [INFO] [stdout] --> src/bin/middle_linked_list.rs:33:33 [INFO] [stdout] | [INFO] [stdout] 33 | p = ptr.next.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Option>` instead of borrowing the inner type [INFO] [stdout] --> src/bin/middle_linked_list.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | p = ptr.next.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_1` [INFO] [stdout] --> src/bin/unsafe.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let cell_1 = Cell { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/unsafe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/bin/unsafe.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct Cell { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `l` [INFO] [stdout] --> src/bin/ref_playground.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | let l = &(r.left); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_l` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/linked_list.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | next: NodePtr, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | prev: NodePtr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/bin/ownership.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/bin/linked_list.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct DoublyLinkedList where T: Default + Debug + Copy { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 37 | head: NodePtr, [INFO] [stdout] 38 | tail: NodePtr [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DoublyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/ownership.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 17 | val: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | prev: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/ownership.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Node<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 42 | val: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 43 | next: Option<&'a Box>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 44 | prev: Option<&'a Box>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NaiveSolution` is never constructed [INFO] [stdout] --> src/bin/max_distance_in_arrays.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct NaiveSolution {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `max_distance` is never used [INFO] [stdout] --> src/bin/max_distance_in_arrays.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl NaiveSolution { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 4 | [INFO] [stdout] 5 | pub fn max_distance(arrays: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FastestSolution` is never constructed [INFO] [stdout] --> src/bin/max_distance_in_arrays.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct FastestSolution {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `max_distance` is never used [INFO] [stdout] --> src/bin/max_distance_in_arrays.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl FastestSolution { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 25 | [INFO] [stdout] 26 | pub fn max_distance(arrays: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Option>` instead of borrowing the inner type [INFO] [stdout] --> src/bin/middle_linked_list.rs:33:33 [INFO] [stdout] | [INFO] [stdout] 33 | p = ptr.next.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&Option>` instead of borrowing the inner type [INFO] [stdout] --> src/bin/middle_linked_list.rs:49:33 [INFO] [stdout] | [INFO] [stdout] 49 | p = ptr.next.borrow(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `min_height` and `min_width_pad` are never read [INFO] [stdout] --> src/bin/comment_block.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct CommentBlock { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | min_height: i16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 8 | min_width_pad: i16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CommentBlock` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/bin/ref_playground.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DPSolution` is never constructed [INFO] [stdout] --> src/bin/house_robber_ii.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct DPSolution {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `rob_simple` and `rob` are never used [INFO] [stdout] --> src/bin/house_robber_ii.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 4 | impl DPSolution { [INFO] [stdout] | --------------- associated functions in this implementation [INFO] [stdout] 5 | fn rob_simple(nums: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn rob(nums: Vec) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/linked_list.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | next: NodePtr, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | prev: NodePtr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tail` is never read [INFO] [stdout] --> src/bin/linked_list.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct DoublyLinkedList where T: Default + Debug + Copy { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 37 | head: NodePtr, [INFO] [stdout] 38 | tail: NodePtr [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DoublyLinkedList` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/bin/ref_cells.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/bin/ref_cells.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/bin/ref_cells.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/bin/ref_cells.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/bin/ref_cells.rs:228:9 [INFO] [stdout] | [INFO] [stdout] 228 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell_1` [INFO] [stdout] --> src/bin/unsafe.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let cell_1 = Cell { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell_1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/bin/unsafe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/bin/unsafe.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct Cell { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 2 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `min_height` and `min_width_pad` are never read [INFO] [stdout] --> src/bin/comment_block.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct CommentBlock { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | min_height: i16, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 8 | min_width_pad: i16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CommentBlock` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/bin/ownership.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct Foo { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 3 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/ownership.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 17 | val: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 18 | next: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | prev: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `val`, `next`, and `prev` are never read [INFO] [stdout] --> src/bin/ownership.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Node<'a> { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 42 | val: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] 43 | next: Option<&'a Box>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 44 | prev: Option<&'a Box>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `val` is never read [INFO] [stdout] --> src/bin/ref_cells.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 15 | val: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `Command { std: "docker" "inspect" "e263e34f16e2a3802371eb10f47aab7f328a79b5b202ea5f2ef0393d8c826bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e263e34f16e2a3802371eb10f47aab7f328a79b5b202ea5f2ef0393d8c826bb1", kill_on_drop: false }` [INFO] [stdout] e263e34f16e2a3802371eb10f47aab7f328a79b5b202ea5f2ef0393d8c826bb1