[INFO] cloning repository https://github.com/mmirolim/rustray
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmirolim/rustray" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmirolim%2Frustray", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmirolim%2Frustray'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78c26c7262d284bde352304777f92e168ae7ffff
[INFO] documenting mmirolim/rustray 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%2Fmmirolim%2Frustray" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmirolim/rustray 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/mmirolim/rustray
[INFO] finished tweaking git repo https://github.com/mmirolim/rustray
[INFO] tweaked toml for git repo https://github.com/mmirolim/rustray written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mmirolim/rustray 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 650e42a091cdeb8558cef1c260cff7331dfaab110111a994987faf1a6fa0ebf7
[INFO] running `Command { std: "docker" "start" "-a" "650e42a091cdeb8558cef1c260cff7331dfaab110111a994987faf1a6fa0ebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "650e42a091cdeb8558cef1c260cff7331dfaab110111a994987faf1a6fa0ebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650e42a091cdeb8558cef1c260cff7331dfaab110111a994987faf1a6fa0ebf7", kill_on_drop: false }`
[INFO] [stdout] 650e42a091cdeb8558cef1c260cff7331dfaab110111a994987faf1a6fa0ebf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2486ef69386697bc9aba200368d2be7e63223f51beeb7d0222b3cef797f65f3e
[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" "2486ef69386697bc9aba200368d2be7e63223f51beeb7d0222b3cef797f65f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/vector3.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         (self.x * self.x + self.y * self.y + self.z * self.z)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.29s
[INFO] running `Command { std: "docker" "inspect" "2486ef69386697bc9aba200368d2be7e63223f51beeb7d0222b3cef797f65f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2486ef69386697bc9aba200368d2be7e63223f51beeb7d0222b3cef797f65f3e", kill_on_drop: false }`
[INFO] [stdout] 2486ef69386697bc9aba200368d2be7e63223f51beeb7d0222b3cef797f65f3e