[INFO] fetching crate eye 0.2.0...
[INFO] documenting eye-0.2.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate eye 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate eye 0.2.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eye 0.2.0
[INFO] finished tweaking crates.io crate eye 0.2.0
[INFO] tweaked toml for crates.io crate eye 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate eye 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded v4l2-sys-mit v0.1.0
[INFO] [stderr]   Downloaded ffimage v0.7.1
[INFO] [stderr]   Downloaded v4l v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e44e0e093b32e541ef974124ef2f310442300e8ca0a31318350256f6dadaf4de
[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" "e44e0e093b32e541ef974124ef2f310442300e8ca0a31318350256f6dadaf4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44e0e093b32e541ef974124ef2f310442300e8ca0a31318350256f6dadaf4de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44e0e093b32e541ef974124ef2f310442300e8ca0a31318350256f6dadaf4de", kill_on_drop: false }`
[INFO] [stdout] e44e0e093b32e541ef974124ef2f310442300e8ca0a31318350256f6dadaf4de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8414f8de6774c0f9cd7dd39e8136a020476c3ea7b6b01930d4a51f89d02710
[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" "ce8414f8de6774c0f9cd7dd39e8136a020476c3ea7b6b01930d4a51f89d02710", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking ffimage v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling v4l2-sys-mit v0.1.0
[INFO] [stderr]     Checking v4l v0.7.0
[INFO] [stderr]     Checking eye v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting eye v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_path`
[INFO] [stdout]   --> src/hal/v4l2/device.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn with_path<P: AsRef<Path>>(path: P) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.78s
[INFO] running `Command { std: "docker" "inspect" "ce8414f8de6774c0f9cd7dd39e8136a020476c3ea7b6b01930d4a51f89d02710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8414f8de6774c0f9cd7dd39e8136a020476c3ea7b6b01930d4a51f89d02710", kill_on_drop: false }`
[INFO] [stdout] ce8414f8de6774c0f9cd7dd39e8136a020476c3ea7b6b01930d4a51f89d02710
