[INFO] cloning repository https://github.com/stsewd/programming-problems-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stsewd/programming-problems-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstsewd%2Fprogramming-problems-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstsewd%2Fprogramming-problems-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e03f1b66b30209d09e8fa4fd47a2d41975496345
[INFO] documenting stsewd/programming-problems-rust against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstsewd%2Fprogramming-problems-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stsewd/programming-problems-rust on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stsewd/programming-problems-rust
[INFO] finished tweaking git repo https://github.com/stsewd/programming-problems-rust
[INFO] tweaked toml for git repo https://github.com/stsewd/programming-problems-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/stsewd/programming-problems-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3e2f43ed3eb733aadcbbf1792e62cb8e4cd98da06bc0e732c550a48fd04a120
[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" "a3e2f43ed3eb733aadcbbf1792e62cb8e4cd98da06bc0e732c550a48fd04a120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3e2f43ed3eb733aadcbbf1792e62cb8e4cd98da06bc0e732c550a48fd04a120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e2f43ed3eb733aadcbbf1792e62cb8e4cd98da06bc0e732c550a48fd04a120", kill_on_drop: false }`
[INFO] [stdout] a3e2f43ed3eb733aadcbbf1792e62cb8e4cd98da06bc0e732c550a48fd04a120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827965d4bc15904331a9de27a0b851b9f7d84e551276cc54a86bf707632ac1d4
[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" "827965d4bc15904331a9de27a0b851b9f7d84e551276cc54a86bf707632ac1d4", kill_on_drop: false }`
[INFO] [stderr]  Documenting problem-solving v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "827965d4bc15904331a9de27a0b851b9f7d84e551276cc54a86bf707632ac1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827965d4bc15904331a9de27a0b851b9f7d84e551276cc54a86bf707632ac1d4", kill_on_drop: false }`
[INFO] [stdout] 827965d4bc15904331a9de27a0b851b9f7d84e551276cc54a86bf707632ac1d4