[INFO] cloning repository https://github.com/ZeProf10T/Subnet-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZeProf10T/Subnet-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeProf10T%2FSubnet-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZeProf10T%2FSubnet-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f61d1e04f979f37c6e5539c2492139b7e12f83d
[INFO] documenting ZeProf10T/Subnet-calculator 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%2FZeProf10T%2FSubnet-calculator" "/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/ZeProf10T/Subnet-calculator 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/ZeProf10T/Subnet-calculator
[INFO] finished tweaking git repo https://github.com/ZeProf10T/Subnet-calculator
[INFO] tweaked toml for git repo https://github.com/ZeProf10T/Subnet-calculator written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ZeProf10T/Subnet-calculator 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] 2ff1761d1ecf754b77e7d60c43b4b06588226c78554f7bcc40ce63d76e64cc73
[INFO] running `Command { std: "docker" "start" "-a" "2ff1761d1ecf754b77e7d60c43b4b06588226c78554f7bcc40ce63d76e64cc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff1761d1ecf754b77e7d60c43b4b06588226c78554f7bcc40ce63d76e64cc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff1761d1ecf754b77e7d60c43b4b06588226c78554f7bcc40ce63d76e64cc73", kill_on_drop: false }`
[INFO] [stdout] 2ff1761d1ecf754b77e7d60c43b4b06588226c78554f7bcc40ce63d76e64cc73
[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] f1d0330dc4c7688f67e9d5a88f2ae63859a727b95a9bb41cbcf5df4130ea9dcd
[INFO] running `Command { std: "docker" "start" "-a" "f1d0330dc4c7688f67e9d5a88f2ae63859a727b95a9bb41cbcf5df4130ea9dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]  Documenting subnet-calculator v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "f1d0330dc4c7688f67e9d5a88f2ae63859a727b95a9bb41cbcf5df4130ea9dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d0330dc4c7688f67e9d5a88f2ae63859a727b95a9bb41cbcf5df4130ea9dcd", kill_on_drop: false }`
[INFO] [stdout] f1d0330dc4c7688f67e9d5a88f2ae63859a727b95a9bb41cbcf5df4130ea9dcd