[INFO] fetching crate freenectrs 0.1.0...
[INFO] documenting freenectrs-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate freenectrs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate freenectrs 0.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freenectrs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate freenectrs 0.1.0
[INFO] tweaked toml for crates.io crate freenectrs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.7.8
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] [stderr]   Downloaded xml-rs v0.3.6
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded gleam v0.2.32
[INFO] [stderr]   Downloaded genmesh v0.4.3
[INFO] [stderr]   Downloaded khronos_api v1.0.1
[INFO] [stderr]   Downloaded cocoa v0.3.3
[INFO] [stderr]   Downloaded cgmath v0.14.1
[INFO] [stderr]   Downloaded core-graphics v0.3.2
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded dlib v0.3.1
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded xml-rs v0.6.1
[INFO] [stderr]   Downloaded gl_generator v0.5.5
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded dwmapi-sys v0.1.1
[INFO] [stderr]   Downloaded gdi32-sys v0.1.2
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded memmap v0.4.0
[INFO] [stderr]   Downloaded wayland-scanner v0.7.8
[INFO] [stderr]   Downloaded wayland-window v0.4.4
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded target_build_utils v0.3.1
[INFO] [stderr]   Downloaded cgl v0.1.5
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded winit v0.5.11
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded wayland-kbd v0.6.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.20
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded wayland-client v0.7.8
[INFO] [stderr]   Downloaded glium v0.16.0
[INFO] [stderr]   Downloaded core-graphics v0.4.2
[INFO] [stderr]   Downloaded cocoa v0.5.2
[INFO] [stderr]   Downloaded glutin v0.7.4
[INFO] [stderr]   Downloaded obj v0.5.0
[INFO] [stderr]   Downloaded libloading v0.3.4
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fea13b2c5c41002f98194ca65a6e87701a4a101729269c2ebf14e9a1525850ad
[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" "fea13b2c5c41002f98194ca65a6e87701a4a101729269c2ebf14e9a1525850ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea13b2c5c41002f98194ca65a6e87701a4a101729269c2ebf14e9a1525850ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea13b2c5c41002f98194ca65a6e87701a4a101729269c2ebf14e9a1525850ad", kill_on_drop: false }`
[INFO] [stdout] fea13b2c5c41002f98194ca65a6e87701a4a101729269c2ebf14e9a1525850ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd35cb0902be5473cd5a02ef7b06df2d51d42a9d0e8913fabb208113e0b5b6ff
[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" "bd35cb0902be5473cd5a02ef7b06df2d51d42a9d0e8913fabb208113e0b5b6ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting freenectrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "bd35cb0902be5473cd5a02ef7b06df2d51d42a9d0e8913fabb208113e0b5b6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd35cb0902be5473cd5a02ef7b06df2d51d42a9d0e8913fabb208113e0b5b6ff", kill_on_drop: false }`
[INFO] [stdout] bd35cb0902be5473cd5a02ef7b06df2d51d42a9d0e8913fabb208113e0b5b6ff