[INFO] cloning repository https://github.com/Tristan1075/crawler_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tristan1075/crawler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3867f8657382412be5f6b2b5222ceb77812a8b
[INFO] checking Tristan1075/crawler_rust against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTristan1075%2Fcrawler_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tristan1075/crawler_rust on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] finished tweaking git repo https://github.com/Tristan1075/crawler_rust
[INFO] tweaked toml for git repo https://github.com/Tristan1075/crawler_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tristan1075/crawler_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded io v0.0.2
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded async-task v1.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded pin-project-lite v0.1.2
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded strcursor v0.2.5
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded cssparser v0.5.8
[INFO] [stderr]   Downloaded selectors v0.5.9
[INFO] [stderr]   Downloaded quickersort v2.2.0
[INFO] [stderr]   Downloaded scraper v0.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded curl-sys v0.4.25
[INFO] [stderr]   Downloaded scan-rules v0.1.3
[INFO] [stderr]   Downloaded html5ever v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc94eb4692c4dee22b04e413e216c6dfa23ba5482e03af6eceabd83845d72e19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc94eb4692c4dee22b04e413e216c6dfa23ba5482e03af6eceabd83845d72e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc94eb4692c4dee22b04e413e216c6dfa23ba5482e03af6eceabd83845d72e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc94eb4692c4dee22b04e413e216c6dfa23ba5482e03af6eceabd83845d72e19", kill_on_drop: false }`
[INFO] [stdout] fc94eb4692c4dee22b04e413e216c6dfa23ba5482e03af6eceabd83845d72e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 697bda5271d72b0c20479e279f3cbdc8636849519ed28e4ffae716875f8a0c16
[INFO] running `Command { std: "docker" "start" "-a" "697bda5271d72b0c20479e279f3cbdc8636849519ed28e4ffae716875f8a0c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.49
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[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking once_cell v1.3.1
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[INFO] [stderr]     Checking futures-core v0.3.1
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[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.1
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[INFO] [stderr]    Compiling num-traits v0.2.10
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[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]     Checking debug_unreachable v0.1.1
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[INFO] [stderr]    Compiling c2-chacha v0.2.3
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[INFO] [stderr]     Checking kv-log-macro v1.0.4
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[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking tokio-io v0.1.12
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[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking quickersort v2.2.0
[INFO] [stderr]     Checking async-std v1.4.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling html5ever v0.5.4
[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 selectors v0.5.9
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking scraper v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 |       box_crawl(Url::parse(&url).unwrap(), 1, 5).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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 |       box_crawl(Url::parse(&url).unwrap(), 1, 5).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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "697bda5271d72b0c20479e279f3cbdc8636849519ed28e4ffae716875f8a0c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697bda5271d72b0c20479e279f3cbdc8636849519ed28e4ffae716875f8a0c16", kill_on_drop: false }`
[INFO] [stdout] 697bda5271d72b0c20479e279f3cbdc8636849519ed28e4ffae716875f8a0c16