[INFO] cloning repository https://github.com/zetwhite/mkko_discord_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zetwhite/mkko_discord_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetwhite%2Fmkko_discord_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetwhite%2Fmkko_discord_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ced6aab98dc0643ab1c3e1b283fc1990c46cfb4e
[INFO] documenting zetwhite/mkko_discord_bot against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzetwhite%2Fmkko_discord_bot" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zetwhite/mkko_discord_bot on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zetwhite/mkko_discord_bot
[INFO] finished tweaking git repo https://github.com/zetwhite/mkko_discord_bot
[INFO] tweaked toml for git repo https://github.com/zetwhite/mkko_discord_bot written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zetwhite/mkko_discord_bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serenity v0.10.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30073a8ffdabb7b1538e36d7da9a07871a3a6192b9cd51515793f787f73d87a4
[INFO] running `Command { std: "docker" "start" "-a" "30073a8ffdabb7b1538e36d7da9a07871a3a6192b9cd51515793f787f73d87a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30073a8ffdabb7b1538e36d7da9a07871a3a6192b9cd51515793f787f73d87a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30073a8ffdabb7b1538e36d7da9a07871a3a6192b9cd51515793f787f73d87a4", kill_on_drop: false }`
[INFO] [stdout] 30073a8ffdabb7b1538e36d7da9a07871a3a6192b9cd51515793f787f73d87a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da377ec1fcd86d472fef39436946032f26c74fd05e4b34133417ab898a771131
[INFO] running `Command { std: "docker" "start" "-a" "da377ec1fcd86d472fef39436946032f26c74fd05e4b34133417ab898a771131", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
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[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]  Documenting mogakko_discord_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `DISCORD_BOT_TOKEN` not defined
[INFO] [stdout]  --> src/discord_bot/config.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const DISCORD_BOT_TOKEN : &'static str = std::env!("DISCORD_BOT_TOKEN");  
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `std::env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DISCORD_GUILD_ID` not defined
[INFO] [stdout]  --> src/discord_bot/config.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const GUILD_ID : &'static str = std::env!("DISCORD_GUILD_ID"); /*947467280827154432 */
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `std::env` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] [stderr] error: could not document `mogakko_discord_bot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name mogakko_discord_bot src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0955497ea22c82e4 -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-627b50ab65989ba3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-31c5c41880829e89.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d51a53d13af0bfc3.rmeta --extern serenity=/opt/rustwide/target/debug/deps/libserenity-11fb70507050e273.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-121ce7cafb6dd87c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "da377ec1fcd86d472fef39436946032f26c74fd05e4b34133417ab898a771131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da377ec1fcd86d472fef39436946032f26c74fd05e4b34133417ab898a771131", kill_on_drop: false }`
[INFO] [stdout] da377ec1fcd86d472fef39436946032f26c74fd05e4b34133417ab898a771131