[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] 3c3bb46a1a6f987b95c8fca6ef47bec3c84742dc
[INFO] documenting tclaus/web_crawler against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftclaus%2Fweb_crawler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[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 beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded fluent_builder v0.6.0
[INFO] [stderr]   Downloaded bloom v0.3.2
[INFO] [stderr]   Downloaded elastic_derive v0.21.0-pre.5
[INFO] [stderr]   Downloaded geohash v0.9.0
[INFO] [stderr]   Downloaded elastic v0.21.0-pre.5
[INFO] [stderr]   Downloaded geojson v0.16.0
[INFO] running `Command { std: "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" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c775809663ce015551a840cf7cf43c619769c9eade8f342f4d2ce315b921aba
[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" "0c775809663ce015551a840cf7cf43c619769c9eade8f342f4d2ce315b921aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c775809663ce015551a840cf7cf43c619769c9eade8f342f4d2ce315b921aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c775809663ce015551a840cf7cf43c619769c9eade8f342f4d2ce315b921aba", kill_on_drop: false }`
[INFO] [stdout] 0c775809663ce015551a840cf7cf43c619769c9eade8f342f4d2ce315b921aba
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e41749aac06c9c3c9385d119775fd928f2b7f680b97d3d13ea96bf09f62222
[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" "c1e41749aac06c9c3c9385d119775fd928f2b7f680b97d3d13ea96bf09f62222", kill_on_drop: false }`
[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 v1.0.39
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]     Checking fluent_builder v0.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking bloom v0.3.2
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking robots_txt v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking rstar v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking geo-types v0.4.3
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking geohash v0.9.0
[INFO] [stderr]     Checking geo v0.12.2
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking geojson v0.16.0
[INFO] [stderr]     Checking reqwest v0.9.24
[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 elastic v0.21.0-pre.5
[INFO] [stderr]     Checking html5ever v0.23.0
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]  Documenting web_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `robots_txt::SimpleMatcher`
[INFO] [stdout]  --> src/web_crawler/robots.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use robots_txt::SimpleMatcher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `SimpleMatcher` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `web_crawler`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name web_crawler src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-301ff4ddca327bfb.rmeta --extern bloom=/opt/rustwide/target/debug/deps/libbloom-96c8b98b7e39a05f.rmeta --extern elastic=/opt/rustwide/target/debug/deps/libelastic-23119a7bd02d4f5c.rmeta --extern elastic_derive=/opt/rustwide/target/debug/deps/libelastic_derive-04a366c3b5057137.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1fd9daae34068c4a.rmeta --extern html5ever=/opt/rustwide/target/debug/deps/libhtml5ever-36d77be849d47aac.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-c74e9c2b5116f40d.rmeta --extern hyper_native_tls=/opt/rustwide/target/debug/deps/libhyper_native_tls-9d030794653f4ee0.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-98664581f92067a0.rmeta --extern postgres=/opt/rustwide/target/debug/deps/libpostgres-18e1b3d81ad65d06.rmeta --extern robots_txt=/opt/rustwide/target/debug/deps/librobots_txt-75d7c7bacbc59ddc.rmeta --extern select=/opt/rustwide/target/debug/deps/libselect-9af440c714e4d03d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-c73315c4a3db7699.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-7d604f6e0dba2a89.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8d243758c2bca38d.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ead0c533f54ff04b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c1e41749aac06c9c3c9385d119775fd928f2b7f680b97d3d13ea96bf09f62222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e41749aac06c9c3c9385d119775fd928f2b7f680b97d3d13ea96bf09f62222", kill_on_drop: false }`
[INFO] [stdout] c1e41749aac06c9c3c9385d119775fd928f2b7f680b97d3d13ea96bf09f62222