[INFO] cloning repository https://github.com/lolgeny/challengerbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolgeny/challengerbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fchallengerbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fchallengerbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c1404f8d4d70a50f0147054b9feea0727c7f5d
[INFO] documenting lolgeny/challengerbot against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fchallengerbot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolgeny/challengerbot on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lolgeny/challengerbot
[INFO] finished tweaking git repo https://github.com/lolgeny/challengerbot
[INFO] tweaked toml for git repo https://github.com/lolgeny/challengerbot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lolgeny/challengerbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830730bfd55ae97af19991c01a359cf83618fe07f40e980db4137e5e4c1b2dfe
[INFO] running `Command { std: "docker" "start" "-a" "830730bfd55ae97af19991c01a359cf83618fe07f40e980db4137e5e4c1b2dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830730bfd55ae97af19991c01a359cf83618fe07f40e980db4137e5e4c1b2dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830730bfd55ae97af19991c01a359cf83618fe07f40e980db4137e5e4c1b2dfe", kill_on_drop: false }`
[INFO] [stdout] 830730bfd55ae97af19991c01a359cf83618fe07f40e980db4137e5e4c1b2dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af8aa1bccf17518627fea3cd1e559044a3952318d6bdd34f76f147ae5c1b698
[INFO] running `Command { std: "docker" "start" "-a" "9af8aa1bccf17518627fea3cd1e559044a3952318d6bdd34f76f147ae5c1b698", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
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[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]     Checking unicode-normalization v0.1.17
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling command_attr v0.3.5
[INFO] [stderr]     Checking time-macros v0.1.1
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[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.2
[INFO] [stderr]  Documenting challengerbot 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(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `challengerbot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name challengerbot src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=686ce52f4c4fd446 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5b2012e97533ffdb.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-7bee5d3f98eab69d.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-e04b0382f027d08c.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-5d2a66b703958786.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-2a5706090017d8dd.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e6ddda404e75f4e2.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c03613650227da73.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-b5c6e082a82a0078.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-102dff16707ece01.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-f25494eb8cd67510.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9af8aa1bccf17518627fea3cd1e559044a3952318d6bdd34f76f147ae5c1b698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af8aa1bccf17518627fea3cd1e559044a3952318d6bdd34f76f147ae5c1b698", kill_on_drop: false }`
[INFO] [stdout] 9af8aa1bccf17518627fea3cd1e559044a3952318d6bdd34f76f147ae5c1b698
