[INFO] cloning repository https://github.com/tclaus/web_crawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tclaus/web_crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 464d50ecf6f33e2e243ddf11137c85b8c7b43f36
[INFO] testing tclaus/web_crawler against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tclaus/web_crawler on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tclaus/web_crawler
[INFO] finished tweaking git repo https://github.com/tclaus/web_crawler
[INFO] tweaked toml for git repo https://github.com/tclaus/web_crawler written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tclaus/web_crawler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 495974d66c3a2e6697ae70ab12dc7bd275a68d23c647df6245fcbec037f37164
[INFO] running `Command { std: "docker" "start" "-a" "495974d66c3a2e6697ae70ab12dc7bd275a68d23c647df6245fcbec037f37164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495974d66c3a2e6697ae70ab12dc7bd275a68d23c647df6245fcbec037f37164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495974d66c3a2e6697ae70ab12dc7bd275a68d23c647df6245fcbec037f37164", kill_on_drop: false }`
[INFO] [stdout] 495974d66c3a2e6697ae70ab12dc7bd275a68d23c647df6245fcbec037f37164
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6acd1ba706c72d98ba900ed727f19c2aed2e4c7f0eb8ce6c8b162a3513b97b4a
[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" "6acd1ba706c72d98ba900ed727f19c2aed2e4c7f0eb8ce6c8b162a3513b97b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling fluent_builder v0.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling bloom v0.3.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling robots_txt v0.7.0 (https://github.com/tclaus/robots_txt.git#e7918ba7)
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling rstar v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling geo-types v0.4.3
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling postgres-protocol v0.5.2
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling geo v0.12.2
[INFO] [stderr]    Compiling geohash v0.9.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling postgres-types v0.1.2
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling geojson v0.16.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling elastic_derive v0.21.0-pre.5
[INFO] [stderr]    Compiling tokio-postgres v0.5.5
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling elastic v0.21.0-pre.5
[INFO] [stderr]    Compiling postgres v0.17.5
[INFO] [stderr]    Compiling select v0.4.3
[INFO] [stderr]    Compiling web_crawler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Accessible`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Accessible(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadStatus`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BadStatus(Url, StatusCode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConnectionFailed`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ConnectionFailed(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TimedOut`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     TimedOut(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Malformed`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Malformed(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidLink`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     InvalidLink(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head_tags`
[INFO] [stdout]    --> src/web_crawler/parse.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn get_head_tags(document: &Document) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 07s
[INFO] running `Command { std: "docker" "inspect" "6acd1ba706c72d98ba900ed727f19c2aed2e4c7f0eb8ce6c8b162a3513b97b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6acd1ba706c72d98ba900ed727f19c2aed2e4c7f0eb8ce6c8b162a3513b97b4a", kill_on_drop: false }`
[INFO] [stdout] 6acd1ba706c72d98ba900ed727f19c2aed2e4c7f0eb8ce6c8b162a3513b97b4a
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6548644ade60d540299f243f4a79bcb695592ca0f5c4eb90af5fd52977c2a4f
[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" "d6548644ade60d540299f243f4a79bcb695592ca0f5c4eb90af5fd52977c2a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_crawler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Accessible`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Accessible(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadStatus`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     BadStatus(Url, StatusCode),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ConnectionFailed`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ConnectionFailed(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TimedOut`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     TimedOut(Url),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Malformed`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Malformed(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidLink`
[INFO] [stdout]   --> src/web_crawler/fetch.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     InvalidLink(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head_tags`
[INFO] [stdout]    --> src/web_crawler/parse.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn get_head_tags(document: &Document) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "d6548644ade60d540299f243f4a79bcb695592ca0f5c4eb90af5fd52977c2a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6548644ade60d540299f243f4a79bcb695592ca0f5c4eb90af5fd52977c2a4f", kill_on_drop: false }`
[INFO] [stdout] d6548644ade60d540299f243f4a79bcb695592ca0f5c4eb90af5fd52977c2a4f
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf3c259cbd97cc3565ae9f1a080699e7ebac71e4b46bea50ca60d9b12e3960d3
[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" "cf3c259cbd97cc3565ae9f1a080699e7ebac71e4b46bea50ca60d9b12e3960d3", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Accessible`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Accessible(Url),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadStatus`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     BadStatus(Url, StatusCode),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConnectionFailed`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     ConnectionFailed(Url),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimedOut`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     TimedOut(Url),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Malformed`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Malformed(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidLink`
[INFO] [stderr]   --> src/web_crawler/fetch.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     InvalidLink(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_head_tags`
[INFO] [stderr]    --> src/web_crawler/parse.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn get_head_tags(document: &Document) -> Vec<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/web_crawler-9dacf554a8f17918
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf3c259cbd97cc3565ae9f1a080699e7ebac71e4b46bea50ca60d9b12e3960d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3c259cbd97cc3565ae9f1a080699e7ebac71e4b46bea50ca60d9b12e3960d3", kill_on_drop: false }`
[INFO] [stdout] cf3c259cbd97cc3565ae9f1a080699e7ebac71e4b46bea50ca60d9b12e3960d3
