[INFO] cloning repository https://github.com/arj101/plane-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arj101/plane-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Fplane-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Fplane-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e19b3f96caf818f8a23785958555f5785d66cbe
[INFO] documenting arj101/plane-bot against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farj101%2Fplane-bot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arj101/plane-bot on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arj101/plane-bot
[INFO] finished tweaking git repo https://github.com/arj101/plane-bot
[INFO] tweaked toml for git repo https://github.com/arj101/plane-bot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/arj101/plane-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82b88fa4059ccee5f093fd71aa0158cb7d397854ae68729eaae1a963a156655
[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" "e82b88fa4059ccee5f093fd71aa0158cb7d397854ae68729eaae1a963a156655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82b88fa4059ccee5f093fd71aa0158cb7d397854ae68729eaae1a963a156655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82b88fa4059ccee5f093fd71aa0158cb7d397854ae68729eaae1a963a156655", kill_on_drop: false }`
[INFO] [stdout] e82b88fa4059ccee5f093fd71aa0158cb7d397854ae68729eaae1a963a156655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35fe7a048be406ede2b0ed2fba589fa85d0dd9d753ad5429ddee740372d6efc0
[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" "35fe7a048be406ede2b0ed2fba589fa85d0dd9d753ad5429ddee740372d6efc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]    Compiling serenity v0.8.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking meval v0.2.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling command_attr v0.2.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.1
[INFO] [stderr]    Compiling rusty_v8 v0.7.0
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ureq v1.3.0
[INFO] [stderr]     Checking tiny_http v0.7.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting plane_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'try_trait'
[INFO] [stdout]  --> src/command_parser/run_command.rs:5:99
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(msg: &serenity::model::channel::Message, ctx: &serenity::client::Context) -> Result<(),std::option::NoneError> {
[INFO] [stdout]   |                                                                                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #42327 <https://github.com/rust-lang/rust/issues/42327> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `plane_bot`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name plane_bot 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 lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern meval=/opt/rustwide/target/debug/deps/libmeval-d6b95cbe71f27d04.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-60f78c8a1abd3d58.rmeta --extern rusty_v8=/opt/rustwide/target/debug/deps/librusty_v8-9621dbed888ebae9.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-675499ad33c1ca41.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-84c2e9dd5de16ed2.rmeta --extern tiny_http=/opt/rustwide/target/debug/deps/libtiny_http-f9a740c2bee03625.rmeta --extern ureq=/opt/rustwide/target/debug/deps/libureq-e54d51a17c8817dd.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "35fe7a048be406ede2b0ed2fba589fa85d0dd9d753ad5429ddee740372d6efc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fe7a048be406ede2b0ed2fba589fa85d0dd9d753ad5429ddee740372d6efc0", kill_on_drop: false }`
[INFO] [stdout] 35fe7a048be406ede2b0ed2fba589fa85d0dd9d753ad5429ddee740372d6efc0