[INFO] cloning repository https://github.com/BrandonC98/web_hunter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrandonC98/web_hunter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandonC98%2Fweb_hunter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandonC98%2Fweb_hunter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f60324aeb7446e8af4dbbf4ac367c60ff4f6b30
[INFO] checking BrandonC98/web_hunter/1f60324aeb7446e8af4dbbf4ac367c60ff4f6b30 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrandonC98%2Fweb_hunter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrandonC98/web_hunter on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BrandonC98/web_hunter
[INFO] finished tweaking git repo https://github.com/BrandonC98/web_hunter
[INFO] tweaked toml for git repo https://github.com/BrandonC98/web_hunter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BrandonC98/web_hunter 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded tinyvec v1.5.1
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded socket2 v0.4.2
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] [stderr]   Downloaded clap_derive v3.0.6
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded http v0.2.6
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded futures-util v0.3.19
[INFO] [stderr]   Downloaded hyper v0.14.16
[INFO] [stderr]   Downloaded h2 v0.3.10
[INFO] [stderr]   Downloaded clap v3.0.7
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded tokio-util v0.6.9
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded web-sys v0.3.55
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded tracing-core v0.1.21
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.78
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded slab v0.4.5
[INFO] [stderr]   Downloaded futures-core v0.3.19
[INFO] [stderr]   Downloaded http-body v0.4.4
[INFO] [stderr]   Downloaded httparse v1.5.1
[INFO] [stderr]   Downloaded ipnet v2.3.1
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.0
[INFO] [stderr]   Downloaded core-foundation v0.9.2
[INFO] [stderr]   Downloaded native-tls v0.2.8
[INFO] [stderr]   Downloaded js-sys v0.3.55
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.78
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded siphasher v0.3.7
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded tracing v0.1.29
[INFO] [stderr]   Downloaded serde_json v1.0.74
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded security-framework v2.4.2
[INFO] [stderr]   Downloaded security-framework-sys v2.4.2
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.28
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.78
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded string_cache v0.8.2
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded openssl-src v111.17.0+1.1.1m
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.30
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded xml5ever v0.16.2
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] [stderr]   Downloaded select v0.5.0
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded simplelog v0.9.0
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded unicode-bidi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74761eb2289e6ede5b2bb9a7938de73336bc5a50ee0192c4a201bc211cf8c99e
[INFO] running `Command { std: "docker" "start" "-a" "74761eb2289e6ede5b2bb9a7938de73336bc5a50ee0192c4a201bc211cf8c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74761eb2289e6ede5b2bb9a7938de73336bc5a50ee0192c4a201bc211cf8c99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74761eb2289e6ede5b2bb9a7938de73336bc5a50ee0192c4a201bc211cf8c99e", kill_on_drop: false }`
[INFO] [stdout] 74761eb2289e6ede5b2bb9a7938de73336bc5a50ee0192c4a201bc211cf8c99e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b0f140fe928638b7e72c4ba1fdb0df96c256990255666a8d6723385d47fcd6
[INFO] running `Command { std: "docker" "start" "-a" "a4b0f140fe928638b7e72c4ba1fdb0df96c256990255666a8d6723385d47fcd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl-src v111.17.0+1.1.1m
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking http v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking simplelog v0.9.0
[INFO] [stderr]     Checking string_cache v0.8.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking clap v3.0.7
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking h2 v0.3.10
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking web_hunter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/req_client.rs:62:64
[INFO] [stdout]    |
[INFO] [stdout] 49 |           pub async fn send_req(&mut self, target : &str) {
[INFO] [stdout]    |  _________________________________________________________-
[INFO] [stdout] 50 | |     
[INFO] [stdout] 51 | |             let response : Response;
[INFO] [stdout] 52 | |             let url = Url::parse(target);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |             let document = Document::from(response.text().await?.as_str());
[INFO] [stdout]    | |                                                                ^ cannot use the `?` operator in an async function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |             
[INFO] [stdout] 70 | |         }
[INFO] [stdout]    | |_________- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<std::result::Result<Infallible, reqwest::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/req_client.rs:62:64
[INFO] [stdout]    |
[INFO] [stdout] 49 |           pub async fn send_req(&mut self, target : &str) {
[INFO] [stdout]    |  _________________________________________________________-
[INFO] [stdout] 50 | |     
[INFO] [stdout] 51 | |             let response : Response;
[INFO] [stdout] 52 | |             let url = Url::parse(target);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |             let document = Document::from(response.text().await?.as_str());
[INFO] [stdout]    | |                                                                ^ cannot use the `?` operator in an async function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | |             
[INFO] [stdout] 70 | |         }
[INFO] [stdout]    | |_________- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<std::result::Result<Infallible, reqwest::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_base_url` in this scope
[INFO] [stdout]   --> src/req_client.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let m = get_base_url(&url, &document);
[INFO] [stdout]    |                     ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the associated function on `Self`
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let m = Self::get_base_url(&url, &document);
[INFO] [stdout]    |                     ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_base_url` in this scope
[INFO] [stdout]   --> src/req_client.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let m = get_base_url(&url, &document);
[INFO] [stdout]    |                     ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the associated function on `Self`
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let m = Self::get_base_url(&url, &document);
[INFO] [stdout]    |                     ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web_hunter` (bin "web_hunter") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web_hunter` (bin "web_hunter" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a4b0f140fe928638b7e72c4ba1fdb0df96c256990255666a8d6723385d47fcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b0f140fe928638b7e72c4ba1fdb0df96c256990255666a8d6723385d47fcd6", kill_on_drop: false }`
[INFO] [stdout] a4b0f140fe928638b7e72c4ba1fdb0df96c256990255666a8d6723385d47fcd6