[INFO] updating cached repository https://github.com/CharmedSatyr/rust-link-scraper
[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] 16382fbb845e0fc7538a01afc8288eb14b0c1c0f
[INFO] checking CharmedSatyr/rust-link-scraper against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCharmedSatyr%2Frust-link-scraper" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CharmedSatyr/rust-link-scraper on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CharmedSatyr/rust-link-scraper
[INFO] finished tweaking git repo https://github.com/CharmedSatyr/rust-link-scraper
[INFO] tweaked toml for git repo https://github.com/CharmedSatyr/rust-link-scraper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CharmedSatyr/rust-link-scraper already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "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] 5d9a232e30a847a4c6e2ffe009584d76821045eb10da7e7f2f1c8ef40f95ab16
[INFO] running `"docker" "start" "-a" "5d9a232e30a847a4c6e2ffe009584d76821045eb10da7e7f2f1c8ef40f95ab16"`
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]     Checking openssl-sys v0.9.51
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking openssl v0.10.25
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking assert-json-diff v1.0.1
[INFO] [stderr]     Checking mockito v0.21.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking link-scraper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/parse_links_from_document.rs:5:74
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn parse_links_from_document(document: &Document, base_url: &Url) -> (HashSet<String>) {
[INFO] [stderr]   |                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]  --> src/parse_links_from_document.rs:5:74
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn parse_links_from_document(document: &Document, base_url: &Url) -> (HashSet<String>) {
[INFO] [stderr]   |                                                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `"docker" "inspect" "5d9a232e30a847a4c6e2ffe009584d76821045eb10da7e7f2f1c8ef40f95ab16"`
[INFO] running `"docker" "rm" "-f" "5d9a232e30a847a4c6e2ffe009584d76821045eb10da7e7f2f1c8ef40f95ab16"`
[INFO] [stdout] 5d9a232e30a847a4c6e2ffe009584d76821045eb10da7e7f2f1c8ef40f95ab16