[INFO] cloning repository https://github.com/ProgramFOX/lichess-event-stream-watcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProgramFOX/lichess-event-stream-watcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgramFOX%2Flichess-event-stream-watcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgramFOX%2Flichess-event-stream-watcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f278b41a2ff2c8017e310aad9c2a8b9eb648b3cf
[INFO] documenting ProgramFOX/lichess-event-stream-watcher 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%2FProgramFOX%2Flichess-event-stream-watcher" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProgramFOX/lichess-event-stream-watcher 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/ProgramFOX/lichess-event-stream-watcher
[INFO] finished tweaking git repo https://github.com/ProgramFOX/lichess-event-stream-watcher
[INFO] tweaked toml for git repo https://github.com/ProgramFOX/lichess-event-stream-watcher written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ProgramFOX/lichess-event-stream-watcher 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded native-tls v0.2.1
[INFO] [stderr]   Downloaded quote v0.6.6
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded serde_regex v0.3.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.12
[INFO] [stderr]   Downloaded syn v0.14.8
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded tungstenite v0.6.0
[INFO] [stderr]   Downloaded utf-8 v0.7.4
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded openssl-sys v0.9.35
[INFO] [stderr]   Downloaded tokio-timer v0.2.5
[INFO] [stderr]   Downloaded http v0.1.10
[INFO] [stderr]   Downloaded hyper v0.12.8
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded serde_derive v1.0.71
[INFO] [stderr]   Downloaded ryu v0.2.3
[INFO] [stderr]   Downloaded rlua v0.16.2
[INFO] [stderr]   Downloaded openssl v0.10.11
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 69ed126fabf0f8edc2273037ead1dcabd775194ac677299a0405b1100554edeb
[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" "69ed126fabf0f8edc2273037ead1dcabd775194ac677299a0405b1100554edeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ed126fabf0f8edc2273037ead1dcabd775194ac677299a0405b1100554edeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ed126fabf0f8edc2273037ead1dcabd775194ac677299a0405b1100554edeb", kill_on_drop: false }`
[INFO] [stdout] 69ed126fabf0f8edc2273037ead1dcabd775194ac677299a0405b1100554edeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a8e2f3f3570ffd78ece12c03ce1b8f52606c71f40f3de46f6bb9de60d3a5f3d2
[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" "a8e2f3f3570ffd78ece12c03ce1b8f52606c71f40f3de46f6bb9de60d3a5f3d2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling ryu v0.2.3
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling rlua v0.16.2
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]     Checking tokio-reactor v0.1.3
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking hyper v0.12.8
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking serde_regex v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]  Documenting lichess-event-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `conf`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | mod conf;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `conf`, create file "src/conf.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0583.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `lichess-event-stream`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name lichess_event_stream 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 chrono=/opt/rustwide/target/debug/deps/libchrono-d41613fbd24d3beb.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-0e857aacb5896b78.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-8333c958138a4d0d.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-55a63c3a0e03fc9f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-5d2f05fb2922aa2e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-103cf88820acc356.rmeta --extern rlua=/opt/rustwide/target/debug/deps/librlua-1096e23e1bff1ae9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0cfd283ba9b55081.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-dddbb6672f3a2cbd.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-edc0c50e645d0e62.rmeta --extern serde_regex=/opt/rustwide/target/debug/deps/libserde_regex-13a918942cee571d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-7cf38c6f2ca3d637.rmeta --extern tungstenite=/opt/rustwide/target/debug/deps/libtungstenite-400705ff016362ff.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-536670c199245864.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a8e2f3f3570ffd78ece12c03ce1b8f52606c71f40f3de46f6bb9de60d3a5f3d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e2f3f3570ffd78ece12c03ce1b8f52606c71f40f3de46f6bb9de60d3a5f3d2", kill_on_drop: false }`
[INFO] [stdout] a8e2f3f3570ffd78ece12c03ce1b8f52606c71f40f3de46f6bb9de60d3a5f3d2