[INFO] cloning repository https://github.com/ruanLN/ray_tracing_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruanLN/ray_tracing_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fray_tracing_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fray_tracing_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 432e82ad2dc1a051f3ab377aafcb8f6c49136cd0
[INFO] documenting ruanLN/ray_tracing_rust against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FruanLN%2Fray_tracing_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruanLN/ray_tracing_rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruanLN/ray_tracing_rust
[INFO] finished tweaking git repo https://github.com/ruanLN/ray_tracing_rust
[INFO] tweaked toml for git repo https://github.com/ruanLN/ray_tracing_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ruanLN/ray_tracing_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded cgmath v0.12.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.21
[INFO] [stderr]   Downloaded bmp v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eacfd19d850d58f4239340efb307d4da65f08f816df11f012599a6c2b17b89ce
[INFO] running `Command { std: "docker" "start" "-a" "eacfd19d850d58f4239340efb307d4da65f08f816df11f012599a6c2b17b89ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eacfd19d850d58f4239340efb307d4da65f08f816df11f012599a6c2b17b89ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacfd19d850d58f4239340efb307d4da65f08f816df11f012599a6c2b17b89ce", kill_on_drop: false }`
[INFO] [stdout] eacfd19d850d58f4239340efb307d4da65f08f816df11f012599a6c2b17b89ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f43ddb417435baec0d76d58f862ada10db0159ec699da5de4d6a684fce1f94
[INFO] running `Command { std: "docker" "start" "-a" "d9f43ddb417435baec0d76d58f862ada10db0159ec699da5de4d6a684fce1f94", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking bmp v0.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]  Documenting ray_tracing_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/ray_tracing_rust/index.html
[INFO] running `Command { std: "docker" "inspect" "d9f43ddb417435baec0d76d58f862ada10db0159ec699da5de4d6a684fce1f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f43ddb417435baec0d76d58f862ada10db0159ec699da5de4d6a684fce1f94", kill_on_drop: false }`
[INFO] [stdout] d9f43ddb417435baec0d76d58f862ada10db0159ec699da5de4d6a684fce1f94