[INFO] cloning repository https://github.com/polo14va/Rust-Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polo14va/Rust-Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolo14va%2FRust-Learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolo14va%2FRust-Learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 453eef152db4d91cc67841e5f7b5261eb1c2529b
[INFO] checking polo14va/Rust-Learning against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolo14va%2FRust-Learning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/polo14va/Rust-Learning
[INFO] finished tweaking git repo https://github.com/polo14va/Rust-Learning
[INFO] tweaked toml for git repo https://github.com/polo14va/Rust-Learning written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/polo14va/Rust-Learning on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/polo14va/Rust-Learning 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `CounterVec` and `register_counter_vec`
[INFO] [stdout]   --> src/metrics.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     register_counter_vec, register_histogram_vec, register_int_counter_vec, CounterVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^                                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `body::Body` and `http::StatusCode`
[INFO] [stdout]   --> src/metrics_middleware.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     body::Body,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     extract::Request,
[INFO] [stdout] 13 |     http::StatusCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CounterVec` and `register_counter_vec`
[INFO] [stdout]   --> src/metrics.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     register_counter_vec, register_histogram_vec, register_int_counter_vec, CounterVec,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^                                                    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `body::Body` and `http::StatusCode`
[INFO] [stdout]   --> src/metrics_middleware.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     body::Body,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 12 |     extract::Request,
[INFO] [stdout] 13 |     http::StatusCode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `email` is never used
[INFO] [stdout]   --> src/builders/user_builder.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl UserRegistration<NoPassword> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn email(self, email: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_auth_attempt` is never used
[INFO] [stdout]    --> src/metrics.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn record_auth_attempt(success: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_jwt_issued` is never used
[INFO] [stdout]    --> src/metrics.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn record_jwt_issued(token_type: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_rate_limit_exceeded` is never used
[INFO] [stdout]    --> src/metrics.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn record_rate_limit_exceeded(endpoint: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_db_query` is never used
[INFO] [stdout]    --> src/metrics.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn record_db_query(query_type: &str, duration: f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `email` is never used
[INFO] [stdout]   --> src/builders/user_builder.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl UserRegistration<NoPassword> {
[INFO] [stdout]    | --------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     pub fn email(self, email: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_auth_attempt` is never used
[INFO] [stdout]    --> src/metrics.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn record_auth_attempt(success: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_jwt_issued` is never used
[INFO] [stdout]    --> src/metrics.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn record_jwt_issued(token_type: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_rate_limit_exceeded` is never used
[INFO] [stdout]    --> src/metrics.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn record_rate_limit_exceeded(endpoint: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `record_db_query` is never used
[INFO] [stdout]    --> src/metrics.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn record_db_query(query_type: &str, duration: f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.24.0, sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "7a57b70bacb4ea84a43bbfb505f8dc9f0308bc5ae23a1d32f25b399e07b38537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a57b70bacb4ea84a43bbfb505f8dc9f0308bc5ae23a1d32f25b399e07b38537", kill_on_drop: false }`
[INFO] [stdout] 7a57b70bacb4ea84a43bbfb505f8dc9f0308bc5ae23a1d32f25b399e07b38537