[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 master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_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/tclaus/web_crawler on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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-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 `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/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[INFO] the lockfile is outdated, regenerating it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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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]     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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d5c14bf33b29670ece617511f077142aa4efc835fafaff2360e3e96825b4fce7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d5c14bf33b29670ece617511f077142aa4efc835fafaff2360e3e96825b4fce7"`
[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]    Compiling syn v1.0.6
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking robots_txt v0.6.0
[INFO] [stderr]     Checking rstar v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking geo-types v0.4.3
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]     Checking postgres-shared v0.4.2
[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 http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking geohash v0.9.0
[INFO] [stderr]     Checking geo v0.12.2
[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 chrono v0.4.9
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking geojson v0.16.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling elastic_derive v0.21.0-pre.5
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking elastic v0.21.0-pre.5
[INFO] [stderr]     Checking select v0.4.3
[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 3m 30s
[INFO] running `"docker" "inspect" "d5c14bf33b29670ece617511f077142aa4efc835fafaff2360e3e96825b4fce7"`
[INFO] running `"docker" "rm" "-f" "d5c14bf33b29670ece617511f077142aa4efc835fafaff2360e3e96825b4fce7"`
[INFO] [stdout] d5c14bf33b29670ece617511f077142aa4efc835fafaff2360e3e96825b4fce7