[INFO] updating cached repository https://github.com/Mistscream/rust-crawler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ade036a84f0a17b1a903c91d5bc25bfd102ecc9f
[INFO] checking Mistscream/rust-crawler against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMistscream%2Frust-crawler" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mistscream/rust-crawler on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Mistscream/rust-crawler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7cafc3efc32fb6b66ab90ac0cb070f298cee728c47c79648766e55255a33b3f9
[INFO] running `"docker" "start" "-a" "7cafc3efc32fb6b66ab90ac0cb070f298cee728c47c79648766e55255a33b3f9"`
[INFO] [stderr]    Compiling version_check v0.1.5
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[INFO] [stderr]    Compiling phf_codegen v0.7.23
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[INFO] [stderr]     Checking select v0.4.2
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[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking rust_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bson`
[INFO] [stderr]  --> src/lib/database.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mongodb::{bson, doc, Bson};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]  --> src/lib/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `li_elements`
[INFO] [stderr]   --> src/lib/report.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let li_elements: Vec<select::node::Node> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_li_elements`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `client`
[INFO] [stderr]  --> src/lib/database.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     client: mongodb::Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]  --> src/lib/database.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     address: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]  --> src/lib/database.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     port: u16,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib/database.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         self.collection.insert_one(doc.clone(), None);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `"docker" "inspect" "7cafc3efc32fb6b66ab90ac0cb070f298cee728c47c79648766e55255a33b3f9"`
[INFO] running `"docker" "rm" "-f" "7cafc3efc32fb6b66ab90ac0cb070f298cee728c47c79648766e55255a33b3f9"`
[INFO] [stdout] 7cafc3efc32fb6b66ab90ac0cb070f298cee728c47c79648766e55255a33b3f9