[INFO] cloning repository https://github.com/AlonSh/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlonSh/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlonSh%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlonSh%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26c4d25c137498e1723fd37024709cae6e4dea64
[INFO] documenting AlonSh/rust-raytracer against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlonSh%2Frust-raytracer" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlonSh/rust-raytracer on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlonSh/rust-raytracer
[INFO] finished tweaking git repo https://github.com/AlonSh/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/AlonSh/rust-raytracer written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/AlonSh/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45cff35ff3ad28c5e0c3fa5f713107c48d7ef2241d22473057ffc57f7c1ca83
[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" "d45cff35ff3ad28c5e0c3fa5f713107c48d7ef2241d22473057ffc57f7c1ca83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45cff35ff3ad28c5e0c3fa5f713107c48d7ef2241d22473057ffc57f7c1ca83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45cff35ff3ad28c5e0c3fa5f713107c48d7ef2241d22473057ffc57f7c1ca83", kill_on_drop: false }`
[INFO] [stdout] d45cff35ff3ad28c5e0c3fa5f713107c48d7ef2241d22473057ffc57f7c1ca83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.46.0" "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] a6920ddd13f27d5bab1499193bd3af501d338a53100e82eae954bc0c283cf0d9
[INFO] running `Command { std: "docker" "start" "-a" "a6920ddd13f27d5bab1499193bd3af501d338a53100e82eae954bc0c283cf0d9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking clicolors-control v0.2.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking parking_lot v0.6.2
[INFO] [stderr]     Checking console v0.6.1
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]  Documenting ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vec3.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     type Output = (Vec3);
[INFO] [stdout]    |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vec3.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |     type Output = (Vec3);
[INFO] [stdout]    |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vec3.rs:76:19
[INFO] [stdout]    |
[INFO] [stdout] 76 |     type Output = (Vec3);
[INFO] [stdout]    |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/vec3.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     type Output = (Vec3);
[INFO] [stdout]    |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/vec3.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     type Output = (Vec3);
[INFO] [stdout]     |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/vec3.rs:112:19
[INFO] [stdout]     |
[INFO] [stdout] 112 |     type Output = (Vec3);
[INFO] [stdout]     |                   ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.77s
[INFO] running `Command { std: "docker" "inspect" "a6920ddd13f27d5bab1499193bd3af501d338a53100e82eae954bc0c283cf0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6920ddd13f27d5bab1499193bd3af501d338a53100e82eae954bc0c283cf0d9", kill_on_drop: false }`
[INFO] [stdout] a6920ddd13f27d5bab1499193bd3af501d338a53100e82eae954bc0c283cf0d9