[INFO] cloning repository https://github.com/jonny7/rust-fahrenheit-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonny7/rust-fahrenheit-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-fahrenheit-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-fahrenheit-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e23c73101b37980d32ea75c53124f2508bab2bd0
[INFO] documenting jonny7/rust-fahrenheit-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%2Fjonny7%2Frust-fahrenheit-calculator" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonny7/rust-fahrenheit-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/jonny7/rust-fahrenheit-calculator
[INFO] finished tweaking git repo https://github.com/jonny7/rust-fahrenheit-calculator
[INFO] tweaked toml for git repo https://github.com/jonny7/rust-fahrenheit-calculator written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jonny7/rust-fahrenheit-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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 4de0f42db75c8bd894fce1904b750040d2aa6935153ef7e2c04322d63efb7c73
[INFO] running `Command { std: "docker" "start" "-a" "4de0f42db75c8bd894fce1904b750040d2aa6935153ef7e2c04322d63efb7c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de0f42db75c8bd894fce1904b750040d2aa6935153ef7e2c04322d63efb7c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de0f42db75c8bd894fce1904b750040d2aa6935153ef7e2c04322d63efb7c73", kill_on_drop: false }`
[INFO] [stdout] 4de0f42db75c8bd894fce1904b750040d2aa6935153ef7e2c04322d63efb7c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c863c0cec8cf02922e476f87fe06d161a28e072478d055dd9f8f5d0a927c0562
[INFO] running `Command { std: "docker" "start" "-a" "c863c0cec8cf02922e476f87fe06d161a28e072478d055dd9f8f5d0a927c0562", kill_on_drop: false }`
[INFO] [stderr]  Documenting fahrenheit-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "c863c0cec8cf02922e476f87fe06d161a28e072478d055dd9f8f5d0a927c0562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c863c0cec8cf02922e476f87fe06d161a28e072478d055dd9f8f5d0a927c0562", kill_on_drop: false }`
[INFO] [stdout] c863c0cec8cf02922e476f87fe06d161a28e072478d055dd9f8f5d0a927c0562