[INFO] cloning repository https://github.com/Yuta1004/expr-executor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuta1004/expr-executor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fexpr-executor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fexpr-executor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 759295d98b9f6a670d27e8a8416646147eef4b10
[INFO] documenting Yuta1004/expr-executor 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%2FYuta1004%2Fexpr-executor" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yuta1004/expr-executor 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/Yuta1004/expr-executor
[INFO] finished tweaking git repo https://github.com/Yuta1004/expr-executor
[INFO] tweaked toml for git repo https://github.com/Yuta1004/expr-executor written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Yuta1004/expr-executor 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 89957d0039c9f5d0c2d17449e4470a146fbbdf6de4788534229eb19e4bd868e9
[INFO] running `Command { std: "docker" "start" "-a" "89957d0039c9f5d0c2d17449e4470a146fbbdf6de4788534229eb19e4bd868e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89957d0039c9f5d0c2d17449e4470a146fbbdf6de4788534229eb19e4bd868e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89957d0039c9f5d0c2d17449e4470a146fbbdf6de4788534229eb19e4bd868e9", kill_on_drop: false }`
[INFO] [stdout] 89957d0039c9f5d0c2d17449e4470a146fbbdf6de4788534229eb19e4bd868e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 744cc5af8c94b0b4690d49d4c9d62b08bb043866bf0b1daf011d088aab205261
[INFO] running `Command { std: "docker" "start" "-a" "744cc5af8c94b0b4690d49d4c9d62b08bb043866bf0b1daf011d088aab205261", kill_on_drop: false }`
[INFO] [stderr]  Documenting expr_executor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "744cc5af8c94b0b4690d49d4c9d62b08bb043866bf0b1daf011d088aab205261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744cc5af8c94b0b4690d49d4c9d62b08bb043866bf0b1daf011d088aab205261", kill_on_drop: false }`
[INFO] [stdout] 744cc5af8c94b0b4690d49d4c9d62b08bb043866bf0b1daf011d088aab205261