[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] checking jcholder-thoughtworks/ray_tracer_challenge against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcholder-thoughtworks%2Fray_tracer_challenge" "/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/jcholder-thoughtworks/ray_tracer_challenge on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-13/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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 ignore v0.4.11
[INFO] [stderr]   Downloaded gherkin_rust v0.6.0
[INFO] [stderr]   Downloaded shh v1.0.1
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded globwalk v0.7.1
[INFO] [stderr]   Downloaded cucumber_rust v0.6.7
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 178a8201a0f37f674f14e031b7bd1018cdda221b0ff3c2b8198be9d9ca8297b4
[INFO] running `Command { std: "docker" "start" "-a" "178a8201a0f37f674f14e031b7bd1018cdda221b0ff3c2b8198be9d9ca8297b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178a8201a0f37f674f14e031b7bd1018cdda221b0ff3c2b8198be9d9ca8297b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178a8201a0f37f674f14e031b7bd1018cdda221b0ff3c2b8198be9d9ca8297b4", kill_on_drop: false }`
[INFO] [stdout] 178a8201a0f37f674f14e031b7bd1018cdda221b0ff3c2b8198be9d9ca8297b4
[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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a56e56940cfb1640333f7f07c75162278c1d82589745c8d081a44ebe6aede3
[INFO] running `Command { std: "docker" "start" "-a" "c6a56e56940cfb1640333f7f07c75162278c1d82589745c8d081a44ebe6aede3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ray_tracer_challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shh v1.0.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[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]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking gherkin_rust v0.6.0
[INFO] [stderr]     Checking cucumber_rust v0.6.7
[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]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 19.06s
[INFO] running `Command { std: "docker" "inspect" "c6a56e56940cfb1640333f7f07c75162278c1d82589745c8d081a44ebe6aede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a56e56940cfb1640333f7f07c75162278c1d82589745c8d081a44ebe6aede3", kill_on_drop: false }`
[INFO] [stdout] c6a56e56940cfb1640333f7f07c75162278c1d82589745c8d081a44ebe6aede3