[INFO] cloning repository https://github.com/lc0305/rust_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lc0305/rust_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc0305%2Frust_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flc0305%2Frust_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 321e5a03cb7d3c522500acfb936f6dae761553d6
[INFO] documenting lc0305/rust_tracer 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%2Flc0305%2Frust_tracer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lc0305/rust_tracer 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/lc0305/rust_tracer
[INFO] finished tweaking git repo https://github.com/lc0305/rust_tracer
[INFO] tweaked toml for git repo https://github.com/lc0305/rust_tracer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/lc0305/rust_tracer 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 47aa8ae2465e5b2f8f771507f766ca8a8963f97801414cab215e4204d67ad14d
[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" "47aa8ae2465e5b2f8f771507f766ca8a8963f97801414cab215e4204d67ad14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47aa8ae2465e5b2f8f771507f766ca8a8963f97801414cab215e4204d67ad14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47aa8ae2465e5b2f8f771507f766ca8a8963f97801414cab215e4204d67ad14d", kill_on_drop: false }`
[INFO] [stdout] 47aa8ae2465e5b2f8f771507f766ca8a8963f97801414cab215e4204d67ad14d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 75b58f5cc3dff2f092c12705eb7ea137b137feadb4211d9b9c14d3927bafed6a
[INFO] running `Command { std: "docker" "start" "-a" "75b58f5cc3dff2f092c12705eb7ea137b137feadb4211d9b9c14d3927bafed6a", 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]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking image v0.23.7
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]  Documenting raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `M` should have a snake case name
[INFO] [stdout]    --> src/raytracer/mod.rs:237:3
[INFO] [stdout]     |
[INFO] [stdout] 237 |         M: Array1<f32>,
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `m`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `N` should have a snake case name
[INFO] [stdout]    --> src/raytracer/mod.rs:238:3
[INFO] [stdout]     |
[INFO] [stdout] 238 |         N: Array1<f32>,
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "75b58f5cc3dff2f092c12705eb7ea137b137feadb4211d9b9c14d3927bafed6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b58f5cc3dff2f092c12705eb7ea137b137feadb4211d9b9c14d3927bafed6a", kill_on_drop: false }`
[INFO] [stdout] 75b58f5cc3dff2f092c12705eb7ea137b137feadb4211d9b9c14d3927bafed6a