[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] checking tclaus/web_crawler against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tclaus/web_crawler on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-2/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56ed630662f939e61a2f5b89ade7eda2b8b50ee459b4f4824ff37559915e2285
[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" "56ed630662f939e61a2f5b89ade7eda2b8b50ee459b4f4824ff37559915e2285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ed630662f939e61a2f5b89ade7eda2b8b50ee459b4f4824ff37559915e2285", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ed630662f939e61a2f5b89ade7eda2b8b50ee459b4f4824ff37559915e2285", kill_on_drop: false }`
[INFO] [stdout] 56ed630662f939e61a2f5b89ade7eda2b8b50ee459b4f4824ff37559915e2285
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ffda84dfc8771b536743873e08e9f2ec8bc581721f33da3084868184e47329
[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" "03ffda84dfc8771b536743873e08e9f2ec8bc581721f33da3084868184e47329", kill_on_drop: false }`
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[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] [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 17s
[INFO] running `Command { std: "docker" "inspect" "03ffda84dfc8771b536743873e08e9f2ec8bc581721f33da3084868184e47329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ffda84dfc8771b536743873e08e9f2ec8bc581721f33da3084868184e47329", kill_on_drop: false }`
[INFO] [stdout] 03ffda84dfc8771b536743873e08e9f2ec8bc581721f33da3084868184e47329