[INFO] cloning repository https://github.com/JGiter/problem_solving_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JGiter/problem_solving_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJGiter%2Fproblem_solving_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJGiter%2Fproblem_solving_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afee55dd4abf2624abf431d914521aaf014d5b58
[INFO] documenting JGiter/problem_solving_rust against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJGiter%2Fproblem_solving_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JGiter/problem_solving_rust on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JGiter/problem_solving_rust
[INFO] finished tweaking git repo https://github.com/JGiter/problem_solving_rust
[INFO] tweaked toml for git repo https://github.com/JGiter/problem_solving_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/JGiter/problem_solving_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", 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] 31408fe2651e15d471eaa7d4b59b7b520429b976998b2790cd21e43c6d250ed4
[INFO] running `Command { std: "docker" "start" "-a" "31408fe2651e15d471eaa7d4b59b7b520429b976998b2790cd21e43c6d250ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31408fe2651e15d471eaa7d4b59b7b520429b976998b2790cd21e43c6d250ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31408fe2651e15d471eaa7d4b59b7b520429b976998b2790cd21e43c6d250ed4", kill_on_drop: false }`
[INFO] [stdout] 31408fe2651e15d471eaa7d4b59b7b520429b976998b2790cd21e43c6d250ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-05-20" "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] 734a0d955a94d329f7f1f0f604b5392e8c039c01f8da3cccad64e90c1eb511f1
[INFO] running `Command { std: "docker" "start" "-a" "734a0d955a94d329f7f1f0f604b5392e8c039c01f8da3cccad64e90c1eb511f1", kill_on_drop: false }`
[INFO] [stderr]  Documenting problem_solving_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "734a0d955a94d329f7f1f0f604b5392e8c039c01f8da3cccad64e90c1eb511f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "734a0d955a94d329f7f1f0f604b5392e8c039c01f8da3cccad64e90c1eb511f1", kill_on_drop: false }`
[INFO] [stdout] 734a0d955a94d329f7f1f0f604b5392e8c039c01f8da3cccad64e90c1eb511f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 755a537a55bb9111d7d8a47a00bf0ca5e47e7b3c398414f357deb04dc00c9343
[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" "755a537a55bb9111d7d8a47a00bf0ca5e47e7b3c398414f357deb04dc00c9343", kill_on_drop: false }`
[INFO] [stderr]  Documenting problem_solving_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "755a537a55bb9111d7d8a47a00bf0ca5e47e7b3c398414f357deb04dc00c9343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755a537a55bb9111d7d8a47a00bf0ca5e47e7b3c398414f357deb04dc00c9343", kill_on_drop: false }`
[INFO] [stdout] 755a537a55bb9111d7d8a47a00bf0ca5e47e7b3c398414f357deb04dc00c9343