[INFO] cloning repository https://github.com/glyph207/BPMCounter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glyph207/BPMCounter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglyph207%2FBPMCounter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglyph207%2FBPMCounter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bd2b1ebfa995b963e07ef088086ae2764611a1b
[INFO] documenting glyph207/BPMCounter 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%2Fglyph207%2FBPMCounter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glyph207/BPMCounter 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/glyph207/BPMCounter
[INFO] finished tweaking git repo https://github.com/glyph207/BPMCounter
[INFO] tweaked toml for git repo https://github.com/glyph207/BPMCounter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/glyph207/BPMCounter 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] c137d5edb3fc6266a190e584525a31a24985c2c649e305c531dd3cb1d4053ceb
[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" "c137d5edb3fc6266a190e584525a31a24985c2c649e305c531dd3cb1d4053ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c137d5edb3fc6266a190e584525a31a24985c2c649e305c531dd3cb1d4053ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c137d5edb3fc6266a190e584525a31a24985c2c649e305c531dd3cb1d4053ceb", kill_on_drop: false }`
[INFO] [stdout] c137d5edb3fc6266a190e584525a31a24985c2c649e305c531dd3cb1d4053ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] adef6f5f7ee5d0e9c5a2f2b2ef968d3c655d72ec61a9de23c90489f50d83cf1a
[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" "adef6f5f7ee5d0e9c5a2f2b2ef968d3c655d72ec61a9de23c90489f50d83cf1a", kill_on_drop: false }`
[INFO] [stderr]  Documenting bpm_counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "adef6f5f7ee5d0e9c5a2f2b2ef968d3c655d72ec61a9de23c90489f50d83cf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adef6f5f7ee5d0e9c5a2f2b2ef968d3c655d72ec61a9de23c90489f50d83cf1a", kill_on_drop: false }`
[INFO] [stdout] adef6f5f7ee5d0e9c5a2f2b2ef968d3c655d72ec61a9de23c90489f50d83cf1a