[INFO] cloning repository https://github.com/boxdot/tinyraytracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boxdot/tinyraytracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Ftinyraytracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Ftinyraytracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 968b9865a0abd6eda42c360e569a69876441bc88
[INFO] documenting boxdot/tinyraytracer-rs 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%2Fboxdot%2Ftinyraytracer-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boxdot/tinyraytracer-rs 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/boxdot/tinyraytracer-rs
[INFO] finished tweaking git repo https://github.com/boxdot/tinyraytracer-rs
[INFO] tweaked toml for git repo https://github.com/boxdot/tinyraytracer-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/boxdot/tinyraytracer-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0d91531595fa5801dd44972a3de7d2fd84ce562bc0adfb273a22512f7f315345
[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" "0d91531595fa5801dd44972a3de7d2fd84ce562bc0adfb273a22512f7f315345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d91531595fa5801dd44972a3de7d2fd84ce562bc0adfb273a22512f7f315345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d91531595fa5801dd44972a3de7d2fd84ce562bc0adfb273a22512f7f315345", kill_on_drop: false }`
[INFO] [stdout] 0d91531595fa5801dd44972a3de7d2fd84ce562bc0adfb273a22512f7f315345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] c410187f869a0c12f47cf92617a383ae8957a3f050b02631f2236c1b80c7eba2
[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" "c410187f869a0c12f47cf92617a383ae8957a3f050b02631f2236c1b80c7eba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking alga v0.8.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking nalgebra v0.17.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.0/src/base/cg.rs:297:44
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c410187f869a0c12f47cf92617a383ae8957a3f050b02631f2236c1b80c7eba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c410187f869a0c12f47cf92617a383ae8957a3f050b02631f2236c1b80c7eba2", kill_on_drop: false }`
[INFO] [stdout] c410187f869a0c12f47cf92617a383ae8957a3f050b02631f2236c1b80c7eba2