[INFO] cloning repository https://github.com/ArunDtej/Re-Search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArunDtej/Re-Search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArunDtej%2FRe-Search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArunDtej%2FRe-Search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f2784a4932352b4093839cec035568514c62009
[INFO] checking ArunDtej/Re-Search against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArunDtej%2FRe-Search" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArunDtej/Re-Search
[INFO] finished tweaking git repo https://github.com/ArunDtej/Re-Search
[INFO] tweaked toml for git repo https://github.com/ArunDtej/Re-Search written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArunDtej/Re-Search on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArunDtej/Re-Search 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cdf2bfbc61c33ba6b42f126548a0cef0fadd59b3904c49d97c2e89068af9c77
[INFO] running `Command { std: "docker" "start" "-a" "3cdf2bfbc61c33ba6b42f126548a0cef0fadd59b3904c49d97c2e89068af9c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cdf2bfbc61c33ba6b42f126548a0cef0fadd59b3904c49d97c2e89068af9c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdf2bfbc61c33ba6b42f126548a0cef0fadd59b3904c49d97c2e89068af9c77", kill_on_drop: false }`
[INFO] [stdout] 3cdf2bfbc61c33ba6b42f126548a0cef0fadd59b3904c49d97c2e89068af9c77
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b3825754f4f01130a27c3541a5e5e3de3af6b42a4fc326ce48b321ed255622
[INFO] running `Command { std: "docker" "start" "-a" "78b3825754f4f01130a27c3541a5e5e3de3af6b42a4fc326ce48b321ed255622", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ConnectionLike`
[INFO] [stdout]  --> src/db/kv.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use r2d2_redis::redis::{ RedisResult, cmd, ConnectionLike};
[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 import: `utils::random_ua`
[INFO] [stdout]  --> src/common.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use utils::random_ua;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web`
[INFO] [stdout]  --> src/bin/api.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix_web::{middleware, web, App, HttpServer};
[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 import: `web`
[INFO] [stdout]  --> src/bin/api.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix_web::{middleware, web, App, HttpServer};
[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 import: `ConnectionLike`
[INFO] [stdout]  --> src/db/kv.rs:4:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | use r2d2_redis::redis::{ RedisResult, cmd, ConnectionLike};
[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 import: `utils::random_ua`
[INFO] [stdout]  --> src/common.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use utils::random_ua;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status_code` is never read
[INFO] [stdout]   --> src/crawler/crawl.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let (mut status_code, mut content_type, mut server, mut last_modified) =
[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: unused variable: `res`
[INFO] [stdout]   --> src/crawler/core.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let res = index_url(&url).await;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get` is never used
[INFO] [stdout]  --> src/db/kv.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get(key: &str, mut conn: PooledConnection<RedisConnectionManager>)-> Option<String>{
[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 `set` is never used
[INFO] [stdout]   --> src/db/kv.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn set(key: &str, value: &str, mut conn: PooledConnection<RedisConnectionManager>) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_kvrocks_list` is never used
[INFO] [stdout]   --> src/db/kv.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn write_to_kvrocks_list(list_name: &str, data: &str) -> RedisResult<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/crawler/crawl.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PageMetadata {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub robots: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub lang: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub h1: Option<String>,
[INFO] [stdout] 19 |     pub og_title: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 20 |     pub og_description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     pub og_image: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 22 |     pub og_url: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub content_type: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub last_modified: Option<String>,
[INFO] [stdout] 25 |     pub server: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub is_protected: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub protection_reason: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/db/init_db.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let database_url: String  = env::var("ROCKS_STR").unwrap_or("6666".into()).parse().unwrap();
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `Future` that must be used
[INFO] [stdout]   --> src/crawler/core.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 utils::back_link_score(&link_owned, &urls_owned);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status_code` is never read
[INFO] [stdout]   --> src/crawler/crawl.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let (mut status_code, mut content_type, mut server, mut last_modified) =
[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] [stderr] error: could not compile `research` (bin "research") due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/crawler/core.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let res = index_url(&url).await;
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get` is never used
[INFO] [stdout]  --> src/db/kv.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get(key: &str, mut conn: PooledConnection<RedisConnectionManager>)-> Option<String>{
[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 `set` is never used
[INFO] [stdout]   --> src/db/kv.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn set(key: &str, value: &str, mut conn: PooledConnection<RedisConnectionManager>) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_kvrocks_list` is never used
[INFO] [stdout]   --> src/db/kv.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn write_to_kvrocks_list(list_name: &str, data: &str) -> RedisResult<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/crawler/crawl.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PageMetadata {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub robots: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub lang: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 18 |     pub h1: Option<String>,
[INFO] [stdout] 19 |     pub og_title: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 20 |     pub og_description: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 21 |     pub og_image: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 22 |     pub og_url: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub content_type: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 24 |     pub last_modified: Option<String>,
[INFO] [stdout] 25 |     pub server: Option<String>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 26 |     pub is_protected: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub protection_reason: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PageMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/db/init_db.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let database_url: String  = env::var("ROCKS_STR").unwrap_or("6666".into()).parse().unwrap();
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused implementer of `Future` that must be used
[INFO] [stdout]   --> src/crawler/core.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 utils::back_link_score(&link_owned, &urls_owned);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `research` (bin "research" test) due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "78b3825754f4f01130a27c3541a5e5e3de3af6b42a4fc326ce48b321ed255622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b3825754f4f01130a27c3541a5e5e3de3af6b42a4fc326ce48b321ed255622", kill_on_drop: false }`
[INFO] [stdout] 78b3825754f4f01130a27c3541a5e5e3de3af6b42a4fc326ce48b321ed255622
