[INFO] cloning repository https://github.com/DankDumpster/rust-discord-bot-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DankDumpster/rust-discord-bot-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Frust-discord-bot-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Frust-discord-bot-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d079823450a6a6da07a01fc4fe856dbb9de63090
[INFO] documenting DankDumpster/rust-discord-bot-template against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Frust-discord-bot-template" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DankDumpster/rust-discord-bot-template on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DankDumpster/rust-discord-bot-template
[INFO] finished tweaking git repo https://github.com/DankDumpster/rust-discord-bot-template
[INFO] tweaked toml for git repo https://github.com/DankDumpster/rust-discord-bot-template written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cef972ce625ab9083801ca447074650f1794238d58528f4188798728ab823a7
[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" "0cef972ce625ab9083801ca447074650f1794238d58528f4188798728ab823a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cef972ce625ab9083801ca447074650f1794238d58528f4188798728ab823a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cef972ce625ab9083801ca447074650f1794238d58528f4188798728ab823a7", kill_on_drop: false }`
[INFO] [stdout] 0cef972ce625ab9083801ca447074650f1794238d58528f4188798728ab823a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22d75be921a989f4ecc7347e54c834075b1380bda636eb9004152546facd08d7
[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" "22d75be921a989f4ecc7347e54c834075b1380bda636eb9004152546facd08d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serenity v0.9.0-rc.2
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking typemap_rev v0.1.3
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.2
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking postgres-protocol v0.5.3
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking postgres-types v0.1.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking async-tls v0.9.0
[INFO] [stderr]     Checking tokio-postgres v0.5.5
[INFO] [stderr]     Checking async-tungstenite v0.8.0
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]  Documenting discord-bot-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "22d75be921a989f4ecc7347e54c834075b1380bda636eb9004152546facd08d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d75be921a989f4ecc7347e54c834075b1380bda636eb9004152546facd08d7", kill_on_drop: false }`
[INFO] [stdout] 22d75be921a989f4ecc7347e54c834075b1380bda636eb9004152546facd08d7