[INFO] cloning repository https://github.com/kszinhu/secret-friend-sorter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kszinhu/secret-friend-sorter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkszinhu%2Fsecret-friend-sorter", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6af2c32aca5567bc6c15434b0d5499c00ce87430
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkszinhu%2Fsecret-friend-sorter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kszinhu/secret-friend-sorter
[INFO] finished tweaking git repo https://github.com/kszinhu/secret-friend-sorter
[INFO] tweaked toml for git repo https://github.com/kszinhu/secret-friend-sorter written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kszinhu/secret-friend-sorter on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kszinhu/secret-friend-sorter already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: struct `MailConfig` is never constructed
[INFO] [stdout]   --> src/utils/mail_sender.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MailConfig {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_secret_friend_email` is never used
[INFO] [stdout]   --> src/utils/mail_sender.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub async fn send_secret_friend_email(config: &MailConfig, friend: &SecretFriend) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SecretFriend` is never constructed
[INFO] [stdout]   --> src/utils/person.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SecretFriend {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_people` is never used
[INFO] [stdout]  --> src/utils/sorter.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn validate_people(people: &[Person], amount: usize) -> Result<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_secret_friends` is never used
[INFO] [stdout]   --> src/utils/sorter.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn sort_secret_friends(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/utils/sorter.rs:80:74
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let secret_friend = best_candidates.choose(&mut rng).unwrap().clone();
[INFO] [stdout]    |                                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MailConfig` is never constructed
[INFO] [stdout]   --> src/utils/mail_sender.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MailConfig {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_secret_friend_email` is never used
[INFO] [stdout]   --> src/utils/mail_sender.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub async fn send_secret_friend_email(config: &MailConfig, friend: &SecretFriend) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SecretFriend` is never constructed
[INFO] [stdout]   --> src/utils/person.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SecretFriend {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_people` is never used
[INFO] [stdout]  --> src/utils/sorter.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn validate_people(people: &[Person], amount: usize) -> Result<()> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort_secret_friends` is never used
[INFO] [stdout]   --> src/utils/sorter.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn sort_secret_friends(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/utils/sorter.rs:80:74
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let secret_friend = best_candidates.choose(&mut rng).unwrap().clone();
[INFO] [stdout]    |                                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `smtp_server` and `smtp_port` are never read
[INFO] [stdout]   --> src/utils/mail_sender.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MailConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 11 |     pub smtp_server: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 12 |     pub smtp_port: u16,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/utils/sorter.rs:80:74
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let secret_friend = best_candidates.choose(&mut rng).unwrap().clone();
[INFO] [stdout]    |                                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `smtp_server` and `smtp_port` are never read
[INFO] [stdout]   --> src/utils/mail_sender.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct MailConfig {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 11 |     pub smtp_server: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 12 |     pub smtp_port: u16,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Person` instead of cloning the inner type
[INFO] [stdout]   --> src/utils/sorter.rs:80:74
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let secret_friend = best_candidates.choose(&mut rng).unwrap().clone();
[INFO] [stdout]    |                                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.77s
[INFO] running `Command { std: "docker" "inspect" "bb96dca6d0293738597c578f9e81c04d9c24123456628b1a29ad3b7fda00cb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb96dca6d0293738597c578f9e81c04d9c24123456628b1a29ad3b7fda00cb28", kill_on_drop: false }`
[INFO] [stdout] bb96dca6d0293738597c578f9e81c04d9c24123456628b1a29ad3b7fda00cb28
