[INFO] cloning repository https://github.com/BenjaminZ/LearnRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminZ/LearnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminZ%2FLearnRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminZ%2FLearnRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc3ce62d7aba8226a5d7f1b37f7fbcbef98cd9f
[INFO] documenting BenjaminZ/LearnRust 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%2FBenjaminZ%2FLearnRust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenjaminZ/LearnRust 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/BenjaminZ/LearnRust
[INFO] finished tweaking git repo https://github.com/BenjaminZ/LearnRust
[INFO] tweaked toml for git repo https://github.com/BenjaminZ/LearnRust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/BenjaminZ/LearnRust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 83cf0643c197000db93999ad6f5d4955aac27bdefa48d19af8598116067ade57
[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" "83cf0643c197000db93999ad6f5d4955aac27bdefa48d19af8598116067ade57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83cf0643c197000db93999ad6f5d4955aac27bdefa48d19af8598116067ade57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cf0643c197000db93999ad6f5d4955aac27bdefa48d19af8598116067ade57", kill_on_drop: false }`
[INFO] [stdout] 83cf0643c197000db93999ad6f5d4955aac27bdefa48d19af8598116067ade57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d2b29bd3e5d6cd0aa74c9484b3dfd7012a3b5dd973753c29465dcd16210a403
[INFO] running `Command { std: "docker" "start" "-a" "2d2b29bd3e5d6cd0aa74c9484b3dfd7012a3b5dd973753c29465dcd16210a403", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]  Documenting rectangles v0.1.0 (/opt/rustwide/workdir/rectangles)
[INFO] [stderr]  Documenting rust-hello-world v0.1.0 (/opt/rustwide/workdir/rust-hello-world)
[INFO] [stderr]  Documenting pig_latin v0.1.0 (/opt/rustwide/workdir/pig_latin)
[INFO] [stderr]  Documenting hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]  Documenting minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]  Documenting employees v0.1.0 (/opt/rustwide/workdir/employees)
[INFO] [stderr]  Documenting restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]  Documenting blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]  Documenting calculations v0.1.0 (/opt/rustwide/workdir/calculations)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "2d2b29bd3e5d6cd0aa74c9484b3dfd7012a3b5dd973753c29465dcd16210a403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2b29bd3e5d6cd0aa74c9484b3dfd7012a3b5dd973753c29465dcd16210a403", kill_on_drop: false }`
[INFO] [stdout] 2d2b29bd3e5d6cd0aa74c9484b3dfd7012a3b5dd973753c29465dcd16210a403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 208a631ae785bc931d1fad5d1d292f66d49d8c6ae28624b395f879f73be2e811
[INFO] running `Command { std: "docker" "start" "-a" "208a631ae785bc931d1fad5d1d292f66d49d8c6ae28624b395f879f73be2e811", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "208a631ae785bc931d1fad5d1d292f66d49d8c6ae28624b395f879f73be2e811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208a631ae785bc931d1fad5d1d292f66d49d8c6ae28624b395f879f73be2e811", kill_on_drop: false }`
[INFO] [stdout] 208a631ae785bc931d1fad5d1d292f66d49d8c6ae28624b395f879f73be2e811