[INFO] cloning repository https://github.com/YoonSung/Rust-PriorityQueue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YoonSung/Rust-PriorityQueue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonSung%2FRust-PriorityQueue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonSung%2FRust-PriorityQueue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0afad72f4e028a48e04fc3bc8eac5d4b9023f3
[INFO] documenting YoonSung/Rust-PriorityQueue against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoonSung%2FRust-PriorityQueue" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YoonSung/Rust-PriorityQueue on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YoonSung/Rust-PriorityQueue
[INFO] finished tweaking git repo https://github.com/YoonSung/Rust-PriorityQueue
[INFO] tweaked toml for git repo https://github.com/YoonSung/Rust-PriorityQueue written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/YoonSung/Rust-PriorityQueue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "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] e47231d7d656bd42a466fc14f0a18f74ea1288c5a0fc610fd4e59f79e4a2bb56
[INFO] running `Command { std: "docker" "start" "-a" "e47231d7d656bd42a466fc14f0a18f74ea1288c5a0fc610fd4e59f79e4a2bb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e47231d7d656bd42a466fc14f0a18f74ea1288c5a0fc610fd4e59f79e4a2bb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47231d7d656bd42a466fc14f0a18f74ea1288c5a0fc610fd4e59f79e4a2bb56", kill_on_drop: false }`
[INFO] [stdout] e47231d7d656bd42a466fc14f0a18f74ea1288c5a0fc610fd4e59f79e4a2bb56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05212ce8c89c37a4abccc2ca54ef2a8e52713f2412cf881dd32ffd309e9ca49a
[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" "05212ce8c89c37a4abccc2ca54ef2a8e52713f2412cf881dd32ffd309e9ca49a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rust_datastructure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "05212ce8c89c37a4abccc2ca54ef2a8e52713f2412cf881dd32ffd309e9ca49a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05212ce8c89c37a4abccc2ca54ef2a8e52713f2412cf881dd32ffd309e9ca49a", kill_on_drop: false }`
[INFO] [stdout] 05212ce8c89c37a4abccc2ca54ef2a8e52713f2412cf881dd32ffd309e9ca49a