[INFO] cloning repository https://github.com/NathanKolpa/simple-crawler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NathanKolpa/simple-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanKolpa%2Fsimple-crawler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanKolpa%2Fsimple-crawler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4231b869e260c8a42bfbd26f2d60be968773d4bf [INFO] checking NathanKolpa/simple-crawler against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanKolpa%2Fsimple-crawler" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NathanKolpa/simple-crawler on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NathanKolpa/simple-crawler [INFO] finished tweaking git repo https://github.com/NathanKolpa/simple-crawler [INFO] tweaked toml for git repo https://github.com/NathanKolpa/simple-crawler written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/NathanKolpa/simple-crawler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1eee8f43a987731a04d8468b559b00d4b2490caa81df1c3dab355a2b0361131 [INFO] running `Command { std: "docker" "start" "-a" "f1eee8f43a987731a04d8468b559b00d4b2490caa81df1c3dab355a2b0361131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1eee8f43a987731a04d8468b559b00d4b2490caa81df1c3dab355a2b0361131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1eee8f43a987731a04d8468b559b00d4b2490caa81df1c3dab355a2b0361131", kill_on_drop: false }` [INFO] [stdout] f1eee8f43a987731a04d8468b559b00d4b2490caa81df1c3dab355a2b0361131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cc1c0f2581c15819d36caea0ec6dbef30b26640c9dee76d3065acd3cb575cc3 [INFO] running `Command { std: "docker" "start" "-a" "1cc1c0f2581c15819d36caea0ec6dbef30b26640c9dee76d3065acd3cb575cc3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling tokio v1.8.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking xml5ever v0.16.1 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking select v0.5.0 [INFO] [stderr] Checking tokio-util v0.6.7 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.3 [INFO] [stderr] Checking hyper v0.14.9 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.4 [INFO] [stderr] Checking simple-crawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `StreamExt`, `stream` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{stream, StreamExt}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::Client` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use reqwest::Client; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `StreamExt`, `stream` [INFO] [stdout] --> src/main.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{stream, StreamExt}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest::Client` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use reqwest::Client; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:59:35 [INFO] [stdout] | [INFO] [stdout] 59 | if let Ok(mut result) = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:59:31 [INFO] [stdout] | [INFO] [stdout] 59 | if let Ok(mut result) = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Crawler` [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Crawler { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Website` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Website { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result` [INFO] [stdout] --> src/main.rs:59:35 [INFO] [stdout] | [INFO] [stdout] 59 | if let Ok(mut result) = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:59:31 [INFO] [stdout] | [INFO] [stdout] 59 | if let Ok(mut result) = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Crawler` [INFO] [stdout] --> src/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Crawler { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Website` [INFO] [stdout] --> src/main.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Website { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.96s [INFO] running `Command { std: "docker" "inspect" "1cc1c0f2581c15819d36caea0ec6dbef30b26640c9dee76d3065acd3cb575cc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cc1c0f2581c15819d36caea0ec6dbef30b26640c9dee76d3065acd3cb575cc3", kill_on_drop: false }` [INFO] [stdout] 1cc1c0f2581c15819d36caea0ec6dbef30b26640c9dee76d3065acd3cb575cc3