[INFO] cloning repository https://github.com/sigpher/concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigpher/concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fconcurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fconcurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d0ad4ea9ef3b67bbe219ee6f8443b01fac954f0
[INFO] checking sigpher/concurrency against master#89a99936d9e76a50e8df622e7242190841fd871b for pr-156160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fconcurrency" "/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/sigpher/concurrency
[INFO] finished tweaking git repo https://github.com/sigpher/concurrency
[INFO] tweaked toml for git repo https://github.com/sigpher/concurrency written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sigpher/concurrency on toolchain 89a99936d9e76a50e8df622e7242190841fd871b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sigpher/concurrency 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" "+89a99936d9e76a50e8df622e7242190841fd871b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-pki-types v1.13.1
[INFO] [stderr]   Downloaded reqwest v0.12.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe
[INFO] running `Command { std: "docker" "start" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe" "/opt/rustwide/cargo-home/bin/cargo" "+89a99936d9e76a50e8df622e7242190841fd871b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.43
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling crc v3.4.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking iri-string v0.7.9
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]     Checking rustls-pki-types v1.13.1
[INFO] [stderr]     Checking jiff v0.2.16
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking sqlx-core v0.8.6
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking hyper-util v0.1.19
[INFO] [stderr]     Checking sqlx-sqlite v0.8.6
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.25
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[INFO] [stderr]    Compiling sqlx-macros v0.8.6
[INFO] [stderr]     Checking sqlx v0.8.6
[INFO] [stderr]     Checking ccr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::info;
[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: `sqlite::SqliteConnectOptions`
[INFO] [stdout]  --> src/main.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sqlx::{SqlitePool, error::Error, prelude::FromRow, sqlite::SqliteConnectOptions};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{str::FromStr, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::info;
[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: `sqlite::SqliteConnectOptions`
[INFO] [stdout]  --> src/main.rs:3:56
[INFO] [stdout]   |
[INFO] [stdout] 3 | use sqlx::{SqlitePool, error::Error, prelude::FromRow, sqlite::SqliteConnectOptions};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str::FromStr`
[INFO] [stdout]  --> src/main.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{str::FromStr, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_url`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let base_url = env::var("BASE_URL").expect("base url should be set");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct User {
[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 `batch_insert_users` is never used
[INFO] [stdout]   --> src/main.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | async fn batch_insert_users(pool: &SqlitePool) -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scrape_index` is never used
[INFO] [stdout]    --> src/main.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 | async fn scrape_index(url: &str) -> Option<String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_index_get_all_links` is never used
[INFO] [stdout]    --> src/main.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 228 | async fn parse_index_get_all_links(html: Option<String>) -> Vec<String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_url`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let base_url = env::var("BASE_URL").expect("base url should be set");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct User {
[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 `batch_insert_users` is never used
[INFO] [stdout]   --> src/main.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | async fn batch_insert_users(pool: &SqlitePool) -> Result<(), Error> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `scrape_index` is never used
[INFO] [stdout]    --> src/main.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 | async fn scrape_index(url: &str) -> Option<String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_index_get_all_links` is never used
[INFO] [stdout]    --> src/main.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 228 | async fn parse_index_get_all_links(html: Option<String>) -> Vec<String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.64s
[INFO] running `Command { std: "docker" "inspect" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe", kill_on_drop: false }`
[INFO] [stdout] 25588b5c2e0f7318b6b476f12999dc561bb714e9cf94499f0c9ddc42224dadfe