[INFO] cloning repository https://github.com/jcholder-thoughtworks/ray_tracer_challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcholder-thoughtworks/ray_tracer_challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcholder-thoughtworks%2Fray_tracer_challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcholder-thoughtworks%2Fray_tracer_challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a76a30dcbb16137910b5f2cc66e452c11c4ef40e
[INFO] documenting jcholder-thoughtworks/ray_tracer_challenge against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcholder-thoughtworks%2Fray_tracer_challenge" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcholder-thoughtworks/ray_tracer_challenge on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcholder-thoughtworks/ray_tracer_challenge
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/jcholder-thoughtworks/ray_tracer_challenge
[INFO] tweaked toml for git repo https://github.com/jcholder-thoughtworks/ray_tracer_challenge written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/jcholder-thoughtworks/ray_tracer_challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded globwalk v0.7.1
[INFO] [stderr]   Downloaded shh v1.0.1
[INFO] [stderr]   Downloaded ignore v0.4.11
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded gherkin_rust v0.6.0
[INFO] [stderr]   Downloaded cucumber_rust v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f32099a23119cf40ddd6825103b2ed9c4f38288937ef57de32403ae1c4c05c7f
[INFO] running `Command { std: "docker" "start" "-a" "f32099a23119cf40ddd6825103b2ed9c4f38288937ef57de32403ae1c4c05c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f32099a23119cf40ddd6825103b2ed9c4f38288937ef57de32403ae1c4c05c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32099a23119cf40ddd6825103b2ed9c4f38288937ef57de32403ae1c4c05c7f", kill_on_drop: false }`
[INFO] [stdout] f32099a23119cf40ddd6825103b2ed9c4f38288937ef57de32403ae1c4c05c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f147f54e1bf3f9ca08ad340926c8b320184b3113a29e93cdd1560f0a88d028fd
[INFO] running `Command { std: "docker" "start" "-a" "f147f54e1bf3f9ca08ad340926c8b320184b3113a29e93cdd1560f0a88d028fd", kill_on_drop: false }`
[INFO] [stderr]  Documenting ray_tracer_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/lib.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.objs.iter().map({ |o| Rc::new(o.clone()) }).collect()
[INFO] [stdout]    |                              ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 86 -         self.objs.iter().map({ |o| Rc::new(o.clone()) }).collect()
[INFO] [stdout] 86 +         self.objs.iter().map(|o| Rc::new(o.clone())).collect()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "f147f54e1bf3f9ca08ad340926c8b320184b3113a29e93cdd1560f0a88d028fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f147f54e1bf3f9ca08ad340926c8b320184b3113a29e93cdd1560f0a88d028fd", kill_on_drop: false }`
[INFO] [stdout] f147f54e1bf3f9ca08ad340926c8b320184b3113a29e93cdd1560f0a88d028fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 257f3b7f172bbd8879315ad31b279f41ba3fe5c8a4b5892a8de67f0918d57221
[INFO] running `Command { std: "docker" "start" "-a" "257f3b7f172bbd8879315ad31b279f41ba3fe5c8a4b5892a8de67f0918d57221", kill_on_drop: false }`
[INFO] [stderr]  Documenting ray_tracer_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/lib.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.objs.iter().map({ |o| Rc::new(o.clone()) }).collect()
[INFO] [stdout]    |                              ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 86 -         self.objs.iter().map({ |o| Rc::new(o.clone()) }).collect()
[INFO] [stdout] 86 +         self.objs.iter().map(|o| Rc::new(o.clone())).collect()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "257f3b7f172bbd8879315ad31b279f41ba3fe5c8a4b5892a8de67f0918d57221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257f3b7f172bbd8879315ad31b279f41ba3fe5c8a4b5892a8de67f0918d57221", kill_on_drop: false }`
[INFO] [stdout] 257f3b7f172bbd8879315ad31b279f41ba3fe5c8a4b5892a8de67f0918d57221