[INFO] cloning repository https://github.com/rajeshkumarrobert/rust-problems [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajeshkumarrobert/rust-problems" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36db3f04aab4c866fa906209af7b433b80376b18 [INFO] testing rajeshkumarrobert/rust-problems against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] finished tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] tweaked toml for git repo https://github.com/rajeshkumarrobert/rust-problems written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rajeshkumarrobert/rust-problems on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rajeshkumarrobert/rust-problems 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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 [ERROR] error running command: no output for 300 seconds [INFO] testing rajeshkumarrobert/rust-problems against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] finished tweaking git repo https://github.com/rajeshkumarrobert/rust-problems [INFO] tweaked toml for git repo https://github.com/rajeshkumarrobert/rust-problems written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rajeshkumarrobert/rust-problems on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rajeshkumarrobert/rust-problems 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 53543a2b49c1e83e781e536bafae37e95a3edca715c6e7164ee2ce609c1f8618 [INFO] running `Command { std: "docker" "start" "-a" "53543a2b49c1e83e781e536bafae37e95a3edca715c6e7164ee2ce609c1f8618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "53543a2b49c1e83e781e536bafae37e95a3edca715c6e7164ee2ce609c1f8618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53543a2b49c1e83e781e536bafae37e95a3edca715c6e7164ee2ce609c1f8618", kill_on_drop: false }` [INFO] [stdout] 53543a2b49c1e83e781e536bafae37e95a3edca715c6e7164ee2ce609c1f8618 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d64a023aa5e403b00e73741eb5e6b8132005a8888d46c2b7aeca4fe5c74d03d [INFO] running `Command { std: "docker" "start" "-a" "9d64a023aa5e403b00e73741eb5e6b8132005a8888d46c2b7aeca4fe5c74d03d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_listnode` [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_listnode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `final_res` is never read [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 44 | let mut final_res = ListNode{ [INFO] [stdout] | ______________________________^ [INFO] [stdout] 45 | | val:0, [INFO] [stdout] 46 | | next:None, [INFO] [stdout] 47 | | [INFO] [stdout] 48 | | }; [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Solution{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 22 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `three_sum` is never used [INFO] [stdout] --> src/leetcode/three_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn three_sum(mut nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Venus` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct Venus; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mars` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Mars; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Jupiter` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Jupiter; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Saturn` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Saturn; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Uranus` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Uranus; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Neptune` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Neptune; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "9d64a023aa5e403b00e73741eb5e6b8132005a8888d46c2b7aeca4fe5c74d03d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d64a023aa5e403b00e73741eb5e6b8132005a8888d46c2b7aeca4fe5c74d03d", kill_on_drop: false }` [INFO] [stdout] 9d64a023aa5e403b00e73741eb5e6b8132005a8888d46c2b7aeca4fe5c74d03d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30b461880690d3a3d22a3921853551eff443cd6e3561b8b876d5b28689f4d201 [INFO] running `Command { std: "docker" "start" "-a" "30b461880690d3a3d22a3921853551eff443cd6e3561b8b876d5b28689f4d201", kill_on_drop: false }` [INFO] [stderr] Compiling rust-problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_listnode` [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let mut result_listnode : Option> = None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_listnode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `final_res` is never read [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:44:30 [INFO] [stdout] | [INFO] [stdout] 44 | let mut final_res = ListNode{ [INFO] [stdout] | ______________________________^ [INFO] [stdout] 45 | | val:0, [INFO] [stdout] 46 | | next:None, [INFO] [stdout] 47 | | [INFO] [stdout] 48 | | }; [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ListNode` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ListNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Solution{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers` is never used [INFO] [stdout] --> src/leetcode/add_two_numbers.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 21 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 22 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `three_sum` is never used [INFO] [stdout] --> src/leetcode/three_sum.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn three_sum(mut nums: Vec) -> Vec> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Venus` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct Venus; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mars` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Mars; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Jupiter` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub struct Jupiter; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Saturn` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:44:12 [INFO] [stdout] | [INFO] [stdout] 44 | pub struct Saturn; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Uranus` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub struct Uranus; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Neptune` is never constructed [INFO] [stdout] --> src/exercism/medium.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Neptune; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "30b461880690d3a3d22a3921853551eff443cd6e3561b8b876d5b28689f4d201", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30b461880690d3a3d22a3921853551eff443cd6e3561b8b876d5b28689f4d201", kill_on_drop: false }` [INFO] [stdout] 30b461880690d3a3d22a3921853551eff443cd6e3561b8b876d5b28689f4d201 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6fa2ceb8d6fcca0673184dfe4bd4e2840a5b93b76fe1fe1af3bddb27fcb32176 [INFO] running `Command { std: "docker" "start" "-a" "6fa2ceb8d6fcca0673184dfe4bd4e2840a5b93b76fe1fe1af3bddb27fcb32176", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stderr] | [INFO] [stderr] 49 | let mut result_listnode : Option> = None; [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result_listnode` [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:49:14 [INFO] [stderr] | [INFO] [stderr] 49 | let mut result_listnode : Option> = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_listnode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `final_res` is never read [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:44:30 [INFO] [stderr] | [INFO] [stderr] 44 | let mut final_res = ListNode{ [INFO] [stderr] | ______________________________^ [INFO] [stderr] 45 | | val:0, [INFO] [stderr] 46 | | next:None, [INFO] [stderr] 47 | | [INFO] [stderr] 48 | | }; [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `ListNode` is never constructed [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | pub struct ListNode { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:10:10 [INFO] [stderr] | [INFO] [stderr] 8 | impl ListNode { [INFO] [stderr] | ------------- associated function in this implementation [INFO] [stderr] 9 | #[inline] [INFO] [stderr] 10 | pub fn new(val: i32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Solution` is never constructed [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:18:12 [INFO] [stderr] | [INFO] [stderr] 18 | pub struct Solution{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `add_two_numbers` is never used [INFO] [stderr] --> src/leetcode/add_two_numbers.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 21 | impl Solution { [INFO] [stderr] | ------------- associated function in this implementation [INFO] [stderr] 22 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `three_sum` is never used [INFO] [stderr] --> src/leetcode/three_sum.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn three_sum(mut nums: Vec) -> Vec> { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Venus` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub struct Venus; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Mars` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:42:12 [INFO] [stderr] | [INFO] [stderr] 42 | pub struct Mars; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Jupiter` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:43:12 [INFO] [stderr] | [INFO] [stderr] 43 | pub struct Jupiter; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Saturn` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:44:12 [INFO] [stderr] | [INFO] [stderr] 44 | pub struct Saturn; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Uranus` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:45:12 [INFO] [stderr] | [INFO] [stderr] 45 | pub struct Uranus; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Neptune` is never constructed [INFO] [stderr] --> src/exercism/medium.rs:46:12 [INFO] [stderr] | [INFO] [stderr] 46 | pub struct Neptune; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-problems` (bin "rust-problems" test) generated 14 warnings (run `cargo fix --bin "rust-problems" -p rust-problems --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_problems-9d9548c7d2dc9ff5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6fa2ceb8d6fcca0673184dfe4bd4e2840a5b93b76fe1fe1af3bddb27fcb32176", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fa2ceb8d6fcca0673184dfe4bd4e2840a5b93b76fe1fe1af3bddb27fcb32176", kill_on_drop: false }` [INFO] [stdout] 6fa2ceb8d6fcca0673184dfe4bd4e2840a5b93b76fe1fe1af3bddb27fcb32176