[INFO] cloning repository https://github.com/Mistscream/rust-crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mistscream/rust-crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ade036a84f0a17b1a903c91d5bc25bfd102ecc9f
[INFO] checking Mistscream/rust-crawler against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mistscream/rust-crawler on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mistscream/rust-crawler
[INFO] finished tweaking git repo https://github.com/Mistscream/rust-crawler
[INFO] tweaked toml for git repo https://github.com/Mistscream/rust-crawler written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistscream/rust-crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded html5ever v0.18.0
[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded libflate v0.1.18
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded tendril v0.3.1
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded openssl v0.10.15
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded textnonce v0.6.4
[INFO] [stderr]   Downloaded encoding_rs v0.8.10
[INFO] [stderr]   Downloaded hyper-tls v0.3.1
[INFO] [stderr]   Downloaded security-framework v0.2.1
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded hyper v0.12.13
[INFO] [stderr]   Downloaded native-tls v0.2.2
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] [stderr]   Downloaded quote v0.6.9
[INFO] [stderr]   Downloaded openssl-sys v0.9.39
[INFO] [stderr]   Downloaded select v0.4.2
[INFO] [stderr]   Downloaded security-framework-sys v0.2.1
[INFO] [stderr]   Downloaded schannel v0.1.14
[INFO] [stderr]   Downloaded reqwest v0.9.4
[INFO] [stderr]   Downloaded markup5ever v0.3.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cffd4cfe27d52c2139d04f8cf1047385b6362ef76dc74cefe303b94a6c4f359
[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" "2cffd4cfe27d52c2139d04f8cf1047385b6362ef76dc74cefe303b94a6c4f359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cffd4cfe27d52c2139d04f8cf1047385b6362ef76dc74cefe303b94a6c4f359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cffd4cfe27d52c2139d04f8cf1047385b6362ef76dc74cefe303b94a6c4f359", kill_on_drop: false }`
[INFO] [stdout] 2cffd4cfe27d52c2139d04f8cf1047385b6362ef76dc74cefe303b94a6c4f359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc0b220d19036a73d157fd28b160583ec1f1858d3a2d73ee6e8942bceb77e96
[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" "7fc0b220d19036a73d157fd28b160583ec1f1858d3a2d73ee6e8942bceb77e96", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking semver v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Bson`
[INFO] [stdout]  --> src/lib/database.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/lib/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `li_elements`
[INFO] [stdout]   --> src/lib/report.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_li_elements`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bson`
[INFO] [stdout]  --> src/lib/database.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/lib/database.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client: mongodb::Client,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]  --> src/lib/database.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     address: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]  --> src/lib/database.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     port: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/database.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.collection.insert_one(doc.clone(), None);
[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] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/lib/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `li_elements`
[INFO] [stdout]   --> src/lib/report.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_li_elements`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/lib/database.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     client: mongodb::Client,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]  --> src/lib/database.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     address: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]  --> src/lib/database.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     port: u16,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib/database.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         self.collection.insert_one(doc.clone(), None);
[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 1m 42s
[INFO] running `Command { std: "docker" "inspect" "7fc0b220d19036a73d157fd28b160583ec1f1858d3a2d73ee6e8942bceb77e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc0b220d19036a73d157fd28b160583ec1f1858d3a2d73ee6e8942bceb77e96", kill_on_drop: false }`
[INFO] [stdout] 7fc0b220d19036a73d157fd28b160583ec1f1858d3a2d73ee6e8942bceb77e96