[INFO] cloning repository https://github.com/shelvacu/plutocradroid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelvacu/plutocradroid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fplutocradroid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelvacu%2Fplutocradroid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 453df69d3e335824b9f44ab405a338a14e210d02
[INFO] documenting shelvacu/plutocradroid 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%2Fshelvacu%2Fplutocradroid" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shelvacu/plutocradroid 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/shelvacu/plutocradroid
[INFO] finished tweaking git repo https://github.com/shelvacu/plutocradroid
[INFO] tweaked toml for git repo https://github.com/shelvacu/plutocradroid written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shelvacu/plutocradroid 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ordinal v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] be6584d03223d57b44a024cc9e6e697ab68368753e29a5d585466a4a6fac4e08
[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" "be6584d03223d57b44a024cc9e6e697ab68368753e29a5d585466a4a6fac4e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be6584d03223d57b44a024cc9e6e697ab68368753e29a5d585466a4a6fac4e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6584d03223d57b44a024cc9e6e697ab68368753e29a5d585466a4a6fac4e08", kill_on_drop: false }`
[INFO] [stdout] be6584d03223d57b44a024cc9e6e697ab68368753e29a5d585466a4a6fac4e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f3560da9676a6a687de5885b59df951bc9a2d56dba93a1d60f30870fdfb0dffd
[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" "f3560da9676a6a687de5885b59df951bc9a2d56dba93a1d60f30870fdfb0dffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serenity v0.8.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking uwl v0.5.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking r2d2 v0.8.8
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking ordinal v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]  Documenting plutocradroid v0.1.0 (/opt/rustwide/workdir)
[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(type_ascription)]
[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 `plutocradroid`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name plutocradroid 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 bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-17e0abd5332185a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-ab634c0e3f205add.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-00be61e02e443d48.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-d142a14fdf3eacf3.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-ecd2ccc8d63eaec7.rmeta --extern iron=/opt/rustwide/target/debug/deps/libiron-068dcd83e50401d1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-d389981351953744.rmeta --extern ordinal=/opt/rustwide/target/debug/deps/libordinal-6fb6e631b12620ed.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-9e0dcf9b8c18f58a.rmeta --extern router=/opt/rustwide/target/debug/deps/librouter-f48a177ded43796d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b787efcfb92eefe8.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-03c6e4c05a6c6241.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-7632c103b4fca0d6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "f3560da9676a6a687de5885b59df951bc9a2d56dba93a1d60f30870fdfb0dffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3560da9676a6a687de5885b59df951bc9a2d56dba93a1d60f30870fdfb0dffd", kill_on_drop: false }`
[INFO] [stdout] f3560da9676a6a687de5885b59df951bc9a2d56dba93a1d60f30870fdfb0dffd