[INFO] cloning repository https://github.com/lidavidm/rusttracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lidavidm/rusttracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Frusttracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flidavidm%2Frusttracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c9ecb74b29ca4d7b2c5ac3130f64582735a1060
[INFO] documenting lidavidm/rusttracer 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%2Flidavidm%2Frusttracer" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lidavidm/rusttracer 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/lidavidm/rusttracer
[INFO] finished tweaking git repo https://github.com/lidavidm/rusttracer
[INFO] tweaked toml for git repo https://github.com/lidavidm/rusttracer written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lidavidm/rusttracer 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] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bad4685f1decc173689f0fa4781a011f7a4ec1c52dc1ad94ad8ffabc9f41966e
[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" "bad4685f1decc173689f0fa4781a011f7a4ec1c52dc1ad94ad8ffabc9f41966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad4685f1decc173689f0fa4781a011f7a4ec1c52dc1ad94ad8ffabc9f41966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad4685f1decc173689f0fa4781a011f7a4ec1c52dc1ad94ad8ffabc9f41966e", kill_on_drop: false }`
[INFO] [stdout] bad4685f1decc173689f0fa4781a011f7a4ec1c52dc1ad94ad8ffabc9f41966e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] b37f43895f4ebc984799d0be50accfb5772e7deaac5d99ca1d68fc7434565a49
[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" "b37f43895f4ebc984799d0be50accfb5772e7deaac5d99ca1d68fc7434565a49", kill_on_drop: false }`
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]  Documenting rusttracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/raytrace/lighting.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     (material.diffuse * (*light).color *
[INFO] [stdout] 35 | |         n.dot(l) * (*light).intensity / distance)
[INFO] [stdout]    | |_________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 |     material.diffuse * (*light).color *
[INFO] [stdout] 35 |         n.dot(l) * (*light).intensity / distance
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/raytrace/lighting.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | /     (material.specular *
[INFO] [stdout] 42 | |      (normal.dot(h).max(0.0).powf((*material).specular_exponent)))
[INFO] [stdout]    | |__________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 |     material.specular *
[INFO] [stdout] 42 |      (normal.dot(h).max(0.0).powf((*material).specular_exponent))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "b37f43895f4ebc984799d0be50accfb5772e7deaac5d99ca1d68fc7434565a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b37f43895f4ebc984799d0be50accfb5772e7deaac5d99ca1d68fc7434565a49", kill_on_drop: false }`
[INFO] [stdout] b37f43895f4ebc984799d0be50accfb5772e7deaac5d99ca1d68fc7434565a49