[INFO] cloning repository https://github.com/jtdowney/ray_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdowney/ray_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fray_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fray_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88f6ecc6c185dc07007ceeb2c014b14a98e387f9
[INFO] documenting jtdowney/ray_tracer against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fray_tracer" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdowney/ray_tracer on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtdowney/ray_tracer
[INFO] finished tweaking git repo https://github.com/jtdowney/ray_tracer
[INFO] tweaked toml for git repo https://github.com/jtdowney/ray_tracer written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/jtdowney/ray_tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba44a7e04e7576d55108ef0434a07e2c5050adfee8978507f4b3a32cb131247
[INFO] running `Command { std: "docker" "start" "-a" "fba44a7e04e7576d55108ef0434a07e2c5050adfee8978507f4b3a32cb131247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba44a7e04e7576d55108ef0434a07e2c5050adfee8978507f4b3a32cb131247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba44a7e04e7576d55108ef0434a07e2c5050adfee8978507f4b3a32cb131247", kill_on_drop: false }`
[INFO] [stdout] fba44a7e04e7576d55108ef0434a07e2c5050adfee8978507f4b3a32cb131247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f7e5e882a45de2fcab73eac74377a26e9223e6a2fcd5a9614ce1d25d4c17bfe
[INFO] running `Command { std: "docker" "start" "-a" "5f7e5e882a45de2fcab73eac74377a26e9223e6a2fcd5a9614ce1d25d4c17bfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]  Documenting ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/shape/cone.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Cone` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shape/cone.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Builder, Clone)]
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/shape/cube.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cube` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shape/cube.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Builder, Clone)]
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/shape/cylinder.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Cylinder` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shape/cylinder.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Builder, Clone)]
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/shape/plane.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Plane` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shape/plane.rs:8:19
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Builder, Clone)]
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/shape/sphere.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Sphere` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/shape/sphere.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Builder, Clone)]
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ray_tracer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name chapter2 src/bin/chapter2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=8f326d071c46da8e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-277327711cafc584.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-41217e7aa3317e6e.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-e935158a79fcb382.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-074a613b44d0ec79.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-10adaac0df10b1d1.rmeta --extern ord_subset=/opt/rustwide/target/debug/deps/libord_subset-9d57177d774ea10a.rmeta --extern ray_tracer=/opt/rustwide/target/debug/deps/libray_tracer-e6ee64f44148b1ef.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9754cc67f2fe0ab0.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-9470d6b6c55f4503.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `ray_tracer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name chapter1 src/bin/chapter1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=7c2a952e21bb6965 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-277327711cafc584.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-41217e7aa3317e6e.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-e935158a79fcb382.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-074a613b44d0ec79.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-10adaac0df10b1d1.rmeta --extern ord_subset=/opt/rustwide/target/debug/deps/libord_subset-9d57177d774ea10a.rmeta --extern ray_tracer=/opt/rustwide/target/debug/deps/libray_tracer-e6ee64f44148b1ef.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9754cc67f2fe0ab0.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-9470d6b6c55f4503.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `ray_tracer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name chapter11 src/bin/chapter11.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d81257be39b2e96f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-277327711cafc584.rmeta --extern approx=/opt/rustwide/target/debug/deps/libapprox-41217e7aa3317e6e.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-e935158a79fcb382.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-074a613b44d0ec79.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-10adaac0df10b1d1.rmeta --extern ord_subset=/opt/rustwide/target/debug/deps/libord_subset-9d57177d774ea10a.rmeta --extern ray_tracer=/opt/rustwide/target/debug/deps/libray_tracer-e6ee64f44148b1ef.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9754cc67f2fe0ab0.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-9470d6b6c55f4503.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5f7e5e882a45de2fcab73eac74377a26e9223e6a2fcd5a9614ce1d25d4c17bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e5e882a45de2fcab73eac74377a26e9223e6a2fcd5a9614ce1d25d4c17bfe", kill_on_drop: false }`
[INFO] [stdout] 5f7e5e882a45de2fcab73eac74377a26e9223e6a2fcd5a9614ce1d25d4c17bfe