[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanKolpa%2Fsimple-crawler" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NathanKolpa/simple-crawler on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded native-tls v0.2.7 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.24 [INFO] [stderr] Downloaded siphasher v0.3.5 [INFO] [stderr] Downloaded security-framework-sys v2.3.0 [INFO] [stderr] Downloaded async-recursion v0.3.2 [INFO] [stderr] Downloaded tokio-macros v1.2.0 [INFO] [stderr] Downloaded tokio-util v0.6.7 [INFO] [stderr] Downloaded openssl-sys v0.9.65 [INFO] [stderr] Downloaded h2 v0.3.3 [INFO] [stderr] Downloaded tokio v1.8.1 [INFO] [stderr] Downloaded hyper v0.14.9 [INFO] [stderr] Downloaded openssl v0.10.35 [INFO] [stderr] Downloaded security-framework v2.3.1 [INFO] [stderr] Downloaded select v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97aa43b122837af5b01a13e0732d8415052e040f97342d9d1385705a004cb1ed [INFO] running `Command { std: "docker" "start" "-a" "97aa43b122837af5b01a13e0732d8415052e040f97342d9d1385705a004cb1ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97aa43b122837af5b01a13e0732d8415052e040f97342d9d1385705a004cb1ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97aa43b122837af5b01a13e0732d8415052e040f97342d9d1385705a004cb1ed", kill_on_drop: false }` [INFO] [stdout] 97aa43b122837af5b01a13e0732d8415052e040f97342d9d1385705a004cb1ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e9f13a5305fac8d9178e36ee70a410a30520796568e735bf4c94752f6b81a1 [INFO] running `Command { std: "docker" "start" "-a" "e3e9f13a5305fac8d9178e36ee70a410a30520796568e735bf4c94752f6b81a1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling tokio v1.8.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking clap v2.33.3 [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 markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking select v0.5.0 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [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: 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 `Crawler` is never constructed [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 `Website` is never constructed [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Crawler` is never constructed [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 `Website` is never constructed [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, xml5ever v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "e3e9f13a5305fac8d9178e36ee70a410a30520796568e735bf4c94752f6b81a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e9f13a5305fac8d9178e36ee70a410a30520796568e735bf4c94752f6b81a1", kill_on_drop: false }` [INFO] [stdout] e3e9f13a5305fac8d9178e36ee70a410a30520796568e735bf4c94752f6b81a1 [INFO] checking NathanKolpa/simple-crawler against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNathanKolpa%2Fsimple-crawler" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/NathanKolpa/simple-crawler on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-2-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 275cf75eca2aa5093907bf7f0692c698c980c04e361721d1b3d8c59d9346899c [INFO] running `Command { std: "docker" "start" "-a" "275cf75eca2aa5093907bf7f0692c698c980c04e361721d1b3d8c59d9346899c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "275cf75eca2aa5093907bf7f0692c698c980c04e361721d1b3d8c59d9346899c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "275cf75eca2aa5093907bf7f0692c698c980c04e361721d1b3d8c59d9346899c", kill_on_drop: false }` [INFO] [stdout] 275cf75eca2aa5093907bf7f0692c698c980c04e361721d1b3d8c59d9346899c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee3d7dfa9b843b6bbca529ff93049ef5eb4583fd390366fcee4c79e9648e990b [INFO] running `Command { std: "docker" "start" "-a" "ee3d7dfa9b843b6bbca529ff93049ef5eb4583fd390366fcee4c79e9648e990b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling siphasher v0.3.5 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Compiling tokio v1.8.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling openssl v0.10.35 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking hashbrown v0.11.2 [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] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking http-body v0.4.2 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking string_cache v0.8.1 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking clap v2.33.3 [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 markup5ever_rcdom v0.1.0 [INFO] [stderr] Checking select v0.5.0 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [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 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: 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: 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: 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 `Crawler` is never constructed [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 `Website` is never constructed [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Crawler` is never constructed [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 `Website` is never constructed [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = crawl_url(url, &mut cralwed_urls , 3, 0).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, xml5ever v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "ee3d7dfa9b843b6bbca529ff93049ef5eb4583fd390366fcee4c79e9648e990b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee3d7dfa9b843b6bbca529ff93049ef5eb4583fd390366fcee4c79e9648e990b", kill_on_drop: false }` [INFO] [stdout] ee3d7dfa9b843b6bbca529ff93049ef5eb4583fd390366fcee4c79e9648e990b