[INFO] updating cached repository https://github.com/tclaus/web_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] 3c3bb46a1a6f987b95c8fca6ef47bec3c84742dc
[INFO] checking tclaus/web_crawler against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler" "/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/tclaus/web_crawler on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tclaus/web_crawler
[INFO] removed path dependency robots_txt from 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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tclaus/web_crawler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (robots_txt) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (robots_txt) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] ef80e847265fe36d4c41dde1f8e30d41dab20f59f5dbb93425394e7fc8133f23
[INFO] running `"docker" "start" "-a" "ef80e847265fe36d4c41dde1f8e30d41dab20f59f5dbb93425394e7fc8133f23"`
[INFO] [stderr] warning: dependency (robots_txt) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking fluent_builder v0.6.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking robots_txt v0.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rstar v0.2.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking geojson v0.16.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking geo-types v0.4.3
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking string_cache v0.7.4
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking geo v0.12.2
[INFO] [stderr]     Checking geohash v0.9.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling elastic_derive v0.21.0-pre.5
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking html5ever v0.24.1
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking elastic v0.21.0-pre.5
[INFO] [stderr]     Checking web_crawler v0.1.0 (/opt/rustwide/workdir)
[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:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn get_head_tags(document: &Document) -> Vec<String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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:104:1
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn get_head_tags(document: &Document) -> Vec<String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `"docker" "inspect" "ef80e847265fe36d4c41dde1f8e30d41dab20f59f5dbb93425394e7fc8133f23"`
[INFO] running `"docker" "rm" "-f" "ef80e847265fe36d4c41dde1f8e30d41dab20f59f5dbb93425394e7fc8133f23"`
[INFO] [stdout] ef80e847265fe36d4c41dde1f8e30d41dab20f59f5dbb93425394e7fc8133f23