[INFO] cloning repository https://github.com/FallingSnow/v4l2-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FallingSnow/v4l2-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ee9ab4863918db325f792c4d01f1e98e817f83a
[INFO] documenting FallingSnow/v4l2-pi against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FallingSnow/v4l2-pi
[INFO] finished tweaking git repo https://github.com/FallingSnow/v4l2-pi
[INFO] tweaked toml for git repo https://github.com/FallingSnow/v4l2-pi written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FallingSnow/v4l2-pi on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FallingSnow/v4l2-pi 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Smithay/drm-rs`
[INFO] [stderr]     Updating git repository `https://github.com/Gnurou/v4l2r.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drm-fourcc v2.1.0
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded libc v0.2.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f
[INFO] running `Command { std: "docker" "start" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling drm-sys v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling drm-fourcc v2.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking drm-ffi v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking v4l2r v0.0.1 (https://github.com/Gnurou/v4l2r.git?rev=1fbc84fbe2ae9db970c41fbdb4537b3753d146e1#1fbc84fb)
[INFO] [stderr]     Checking drm v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stderr]  Documenting v4l2-pi-udp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: v4l2r v0.0.1 (https://github.com/Gnurou/v4l2r.git?rev=1fbc84fbe2ae9db970c41fbdb4537b3753d146e1#1fbc84fb)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/v4l2_pi_udp/index.html
[INFO] running `Command { std: "docker" "inspect" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f", kill_on_drop: false }`
[INFO] [stdout] 0a4c6081d3aa31bd0ad3b17458e87f3397db16610f051eea52ec300a0f6af42f