[INFO] cloning repository https://github.com/ShawnJeffersonWang/explore-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ShawnJeffersonWang/explore-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnJeffersonWang%2Fexplore-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnJeffersonWang%2Fexplore-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e35acf7a7449475515b191d92cde25e8c03ce90a [INFO] building ShawnJeffersonWang/explore-rust against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShawnJeffersonWang%2Fexplore-rust" "/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/ShawnJeffersonWang/explore-rust on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ShawnJeffersonWang/explore-rust [INFO] finished tweaking git repo https://github.com/ShawnJeffersonWang/explore-rust [INFO] tweaked toml for git repo https://github.com/ShawnJeffersonWang/explore-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ShawnJeffersonWang/explore-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13fab32dcd6c72509b9c858612c03a0e470c9c712078d1ac8c01210854465f88 [INFO] running `Command { std: "docker" "start" "-a" "13fab32dcd6c72509b9c858612c03a0e470c9c712078d1ac8c01210854465f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13fab32dcd6c72509b9c858612c03a0e470c9c712078d1ac8c01210854465f88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13fab32dcd6c72509b9c858612c03a0e470c9c712078d1ac8c01210854465f88", kill_on_drop: false }` [INFO] [stdout] 13fab32dcd6c72509b9c858612c03a0e470c9c712078d1ac8c01210854465f88 [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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fd2d466844da4f842d877266290bdb0a519f274ca024d5697b457829168d7fd [INFO] running `Command { std: "docker" "start" "-a" "2fd2d466844da4f842d877266290bdb0a519f274ca024d5697b457829168d7fd", kill_on_drop: false }` [INFO] [stderr] Compiling explore-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::as_ref::as_ref` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::as_ref::as_ref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::is_some::is_some_demo` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::is_some::is_some_demo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::unwrap::unwrap_demo` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::unwrap::unwrap_demo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none_value` [INFO] [stdout] --> src/unwrap.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let none_value: Option=None; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_none_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/middle_node.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut node5 = Box::new(ListNode::new(5)); [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/reverse_list.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | mut pre: Option>, [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:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut node5 = Box::new(crate::middle_node::ListNode::new(5)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | for i in 0..6 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_middle_node` is never used [INFO] [stdout] --> src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn test_middle_node() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_smallest_subsequence` is never used [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn test_smallest_subsequence() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_find_gcd` is never used [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn test_find_gcd() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_some_demo` is never used [INFO] [stdout] --> src/is_some.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn is_some_demo() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `as_ref` is never used [INFO] [stdout] --> src/as_ref.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn as_ref() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unwrap_demo` is never used [INFO] [stdout] --> src/unwrap.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn unwrap_demo(){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/middle_node.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/middle_node.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | pub(crate) fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `middle_node` is never used [INFO] [stdout] --> src/middle_node.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | pub fn middle_node(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/middle_node.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub(crate) struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/middle_node.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `smallest_subsequence` is never used [INFO] [stdout] --> src/smallest_subsequence.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn smallest_subsequence(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/smallest_subsequence.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/or_insert.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/gcd.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn gcd(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd_iter` is never used [INFO] [stdout] --> src/gcd.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn gcd_iter(mut a: i32, mut b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_gcd` is never used [INFO] [stdout] --> src/gcd.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn find_gcd(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `partition_labels` is never used [INFO] [stdout] --> src/partition_labels.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn partition_labels(s: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/reverse_list.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_list1` is never used [INFO] [stdout] --> src/reverse_list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn reverse_list1(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_list2` is never used [INFO] [stdout] --> src/reverse_list.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | pub fn reverse_list2(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vec_to_list` is never used [INFO] [stdout] --> src/reverse_list.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn vec_to_list(vec: Vec) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_to_vec` is never used [INFO] [stdout] --> src/reverse_list.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn list_to_vec(head: Option>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `candy` is never used [INFO] [stdout] --> src/candy.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn candy(ratings: Vec) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "2fd2d466844da4f842d877266290bdb0a519f274ca024d5697b457829168d7fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fd2d466844da4f842d877266290bdb0a519f274ca024d5697b457829168d7fd", kill_on_drop: false }` [INFO] [stdout] 2fd2d466844da4f842d877266290bdb0a519f274ca024d5697b457829168d7fd [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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9b0aa6b149333ee06eeb9450aabf1a3d5096d918c885bd9ffde4fd48d895ef2 [INFO] running `Command { std: "docker" "start" "-a" "d9b0aa6b149333ee06eeb9450aabf1a3d5096d918c885bd9ffde4fd48d895ef2", kill_on_drop: false }` [INFO] [stderr] Compiling explore-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::as_ref::as_ref` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::as_ref::as_ref; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::is_some::is_some_demo` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::is_some::is_some_demo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::unwrap::unwrap_demo` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::unwrap::unwrap_demo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/partition_labels.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none_value` [INFO] [stdout] --> src/unwrap.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let none_value: Option=None; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_none_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/middle_node.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let mut node5 = Box::new(ListNode::new(5)); [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/reverse_list.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | mut pre: Option>, [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:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut node5 = Box::new(crate::middle_node::ListNode::new(5)); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | for i in 0..6 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_middle_node` is never used [INFO] [stdout] --> src/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn test_middle_node() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_smallest_subsequence` is never used [INFO] [stdout] --> src/main.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn test_smallest_subsequence() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_find_gcd` is never used [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn test_find_gcd() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_some_demo` is never used [INFO] [stdout] --> src/is_some.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn is_some_demo() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `as_ref` is never used [INFO] [stdout] --> src/as_ref.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn as_ref() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `unwrap_demo` is never used [INFO] [stdout] --> src/unwrap.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn unwrap_demo(){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/middle_node.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/middle_node.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | pub(crate) fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `middle_node` is never used [INFO] [stdout] --> src/middle_node.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | pub fn middle_node(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/middle_node.rs:27:19 [INFO] [stdout] | [INFO] [stdout] 27 | pub(crate) struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/middle_node.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `smallest_subsequence` is never used [INFO] [stdout] --> src/smallest_subsequence.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn smallest_subsequence(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/smallest_subsequence.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/or_insert.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd` is never used [INFO] [stdout] --> src/gcd.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn gcd(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gcd_iter` is never used [INFO] [stdout] --> src/gcd.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn gcd_iter(mut a: i32, mut b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_gcd` is never used [INFO] [stdout] --> src/gcd.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn find_gcd(nums: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reverse_list1` is never used [INFO] [stdout] --> src/reverse_list.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn reverse_list1(head: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `list_to_vec` is never used [INFO] [stdout] --> src/reverse_list.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn list_to_vec(head: Option>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "d9b0aa6b149333ee06eeb9450aabf1a3d5096d918c885bd9ffde4fd48d895ef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9b0aa6b149333ee06eeb9450aabf1a3d5096d918c885bd9ffde4fd48d895ef2", kill_on_drop: false }` [INFO] [stdout] d9b0aa6b149333ee06eeb9450aabf1a3d5096d918c885bd9ffde4fd48d895ef2