[INFO] cloning repository https://github.com/jkcclemens/lodestone_news
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/lodestone_news" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32e584335a2c3e6a1804ba6f363f624bf06e7430
[INFO] documenting jkcclemens/lodestone_news against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Flodestone_news" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/lodestone_news 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/jkcclemens/lodestone_news
[INFO] finished tweaking git repo https://github.com/jkcclemens/lodestone_news
[INFO] tweaked toml for git repo https://github.com/jkcclemens/lodestone_news written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/lodestone_news 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 34390d332ecffcf1a3276495e908100a69bc8817cde204d92e4d6338399a4e83
[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" "34390d332ecffcf1a3276495e908100a69bc8817cde204d92e4d6338399a4e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34390d332ecffcf1a3276495e908100a69bc8817cde204d92e4d6338399a4e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34390d332ecffcf1a3276495e908100a69bc8817cde204d92e4d6338399a4e83", kill_on_drop: false }`
[INFO] [stdout] 34390d332ecffcf1a3276495e908100a69bc8817cde204d92e4d6338399a4e83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bccbc8829c3f7e0e7e104c722924bc710728854dc6a6c277266e7c1397e2fd95
[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" "bccbc8829c3f7e0e7e104c722924bc710728854dc6a6c277266e7c1397e2fd95", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking ansi_term v0.12.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]     Checking miniz_oxide v0.3.1
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking fern v0.5.8
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling cssparser v0.25.8
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking scraper v0.10.1
[INFO] [stderr]  Documenting lodestone_news v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `lodestone_news`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lodestone_news 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 ansi_term=/opt/rustwide/target/debug/deps/libansi_term-57eb7c4a8b338ec1.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f5a81fa6c6903c1f.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-5e0eeaa5a2bce209.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-f0162cedee9f2bd2.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-397f8d13db0fa0b2.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-4af85c6378b1909a.rmeta --extern ego_tree=/opt/rustwide/target/debug/deps/libego_tree-cfc27f485368f366.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-dc6bcb4f277195dc.rmeta --extern fern=/opt/rustwide/target/debug/deps/libfern-4733344a904a3ceb.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-a218b9556cefdca9.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-4d27eec9268bcebc.rmeta --extern scraper=/opt/rustwide/target/debug/deps/libscraper-0851161b895bde9a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-5b8148ffd93ef647.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a3cb8582cfb08f73.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-20ded5e9ca47738e.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-31c6bf7a831c5baa.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "bccbc8829c3f7e0e7e104c722924bc710728854dc6a6c277266e7c1397e2fd95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bccbc8829c3f7e0e7e104c722924bc710728854dc6a6c277266e7c1397e2fd95", kill_on_drop: false }`
[INFO] [stdout] bccbc8829c3f7e0e7e104c722924bc710728854dc6a6c277266e7c1397e2fd95
