[INFO] cloning repository https://github.com/KelseyCarlow/twelve_days_of_Christmas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KelseyCarlow/twelve_days_of_Christmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelseyCarlow%2Ftwelve_days_of_Christmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelseyCarlow%2Ftwelve_days_of_Christmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8477c7c625f6942a1f5b88d7df227852a841af42
[INFO] documenting KelseyCarlow/twelve_days_of_Christmas 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%2FKelseyCarlow%2Ftwelve_days_of_Christmas" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KelseyCarlow/twelve_days_of_Christmas 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/KelseyCarlow/twelve_days_of_Christmas
[INFO] finished tweaking git repo https://github.com/KelseyCarlow/twelve_days_of_Christmas
[INFO] tweaked toml for git repo https://github.com/KelseyCarlow/twelve_days_of_Christmas written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/KelseyCarlow/twelve_days_of_Christmas 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 aho-corasick v0.6.3
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 4cff20a115fc0ccea364988dbafe32d75999d790181d527a7e863002732cc0c2
[INFO] running `Command { std: "docker" "start" "-a" "4cff20a115fc0ccea364988dbafe32d75999d790181d527a7e863002732cc0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cff20a115fc0ccea364988dbafe32d75999d790181d527a7e863002732cc0c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cff20a115fc0ccea364988dbafe32d75999d790181d527a7e863002732cc0c2", kill_on_drop: false }`
[INFO] [stdout] 4cff20a115fc0ccea364988dbafe32d75999d790181d527a7e863002732cc0c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6b29721f8f0a90fa56ba15d5c748a576fe6d46ed91e5faa612cfb2f68b45d4f4
[INFO] running `Command { std: "docker" "start" "-a" "6b29721f8f0a90fa56ba15d5c748a576fe6d46ed91e5faa612cfb2f68b45d4f4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]  Documenting twelve_days_of_christmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "6b29721f8f0a90fa56ba15d5c748a576fe6d46ed91e5faa612cfb2f68b45d4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b29721f8f0a90fa56ba15d5c748a576fe6d46ed91e5faa612cfb2f68b45d4f4", kill_on_drop: false }`
[INFO] [stdout] 6b29721f8f0a90fa56ba15d5c748a576fe6d46ed91e5faa612cfb2f68b45d4f4