[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] checking rajeshkumarrobert/rust-problems/36db3f04aab4c866fa906209af7b433b80376b18 against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajeshkumarrobert%2Frust-problems" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rajeshkumarrobert/rust-problems on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3148a315a01b05dc8ed978d8d35e73fe3a15b2dcff5c3903ec02b4deaab0210e [INFO] running `Command { std: "docker" "start" "-a" "3148a315a01b05dc8ed978d8d35e73fe3a15b2dcff5c3903ec02b4deaab0210e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3148a315a01b05dc8ed978d8d35e73fe3a15b2dcff5c3903ec02b4deaab0210e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3148a315a01b05dc8ed978d8d35e73fe3a15b2dcff5c3903ec02b4deaab0210e", kill_on_drop: false }` [INFO] [stdout] 3148a315a01b05dc8ed978d8d35e73fe3a15b2dcff5c3903ec02b4deaab0210e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8f5b4e696a44dbeed835c76ae1a14a50be05d046b5e8cce015fda9ffbf617a4 [INFO] running `Command { std: "docker" "start" "-a" "c8f5b4e696a44dbeed835c76ae1a14a50be05d046b5e8cce015fda9ffbf617a4", kill_on_drop: false }` [INFO] [stderr] Checking 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] | |__________^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 70 | final_res = ListNode{ [INFO] [stdout] | --------- `final_res` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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] | |__________^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 70 | final_res = ListNode{ [INFO] [stdout] | --------- `final_res` is overwritten here before the previous value is read [INFO] [stdout] | [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] [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 0.88s [INFO] running `Command { std: "docker" "inspect" "c8f5b4e696a44dbeed835c76ae1a14a50be05d046b5e8cce015fda9ffbf617a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8f5b4e696a44dbeed835c76ae1a14a50be05d046b5e8cce015fda9ffbf617a4", kill_on_drop: false }` [INFO] [stdout] c8f5b4e696a44dbeed835c76ae1a14a50be05d046b5e8cce015fda9ffbf617a4