[INFO] cloning repository https://github.com/porglezomp/rust-raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/porglezomp/rust-raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Frust-raytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Frust-raytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0848aeae5fddfa5a4088c25a84a3bd1ae2e5491d
[INFO] documenting porglezomp/rust-raytracer against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp%2Frust-raytracer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp/rust-raytracer on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/porglezomp/rust-raytracer
[INFO] finished tweaking git repo https://github.com/porglezomp/rust-raytracer
[INFO] tweaked toml for git repo https://github.com/porglezomp/rust-raytracer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/porglezomp/rust-raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/bjz/cgmath-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/pornel/lodepng-rust.git`
[INFO] [stderr]     Updating git repository `https://github.com/AngryLawyer/rust-sdl2.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fd7bf9839243a272697634aec1563594c1f10966a1d57bef9f1481e57e81bb7
[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" "9fd7bf9839243a272697634aec1563594c1f10966a1d57bef9f1481e57e81bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd7bf9839243a272697634aec1563594c1f10966a1d57bef9f1481e57e81bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd7bf9839243a272697634aec1563594c1f10966a1d57bef9f1481e57e81bb7", kill_on_drop: false }`
[INFO] [stdout] 9fd7bf9839243a272697634aec1563594c1f10966a1d57bef9f1481e57e81bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8305e171a7f9b9df05d52bcc22fa964bb62a0d8f9b5b2d287de7faf90dee94bc
[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" "8305e171a7f9b9df05d52bcc22fa964bb62a0d8f9b5b2d287de7faf90dee94bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.2 (https://github.com/AngryLawyer/rust-sdl2.git#dcd311dc)
[INFO] [stderr]    Compiling cgmath v0.17.0 (https://github.com/bjz/cgmath-rs.git#c96cd57e)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rgb v0.8.18
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]    Compiling sdl2-sys v0.34.2 (https://github.com/AngryLawyer/rust-sdl2.git#dcd311dc)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lodepng v3.0.0-alpha.1 (https://github.com/pornel/lodepng-rust.git#38e64337)
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]  Documenting raytracer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/main.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut counter = 0u;
[INFO] [stdout]    |                       ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]    --> src/main.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |     spawn(proc() {
[INFO] [stdout]     |                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialize`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate serialize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `raytracer`.
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name raytracer src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cgmath=/opt/rustwide/target/debug/deps/libcgmath-0679d4be6682eb5b.rmeta --extern lodepng=/opt/rustwide/target/debug/deps/liblodepng-6bac63b19bceaf62.rmeta --extern sdl2=/opt/rustwide/target/debug/deps/libsdl2-28394a13430bc9c4.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "8305e171a7f9b9df05d52bcc22fa964bb62a0d8f9b5b2d287de7faf90dee94bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8305e171a7f9b9df05d52bcc22fa964bb62a0d8f9b5b2d287de7faf90dee94bc", kill_on_drop: false }`
[INFO] [stdout] 8305e171a7f9b9df05d52bcc22fa964bb62a0d8f9b5b2d287de7faf90dee94bc