[INFO] fetching crate system76-oled 0.1.4...
[INFO] documenting system76-oled-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate system76-oled 0.1.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate system76-oled 0.1.4 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 system76-oled 0.1.4
[INFO] finished tweaking crates.io crate system76-oled 0.1.4
[INFO] tweaked toml for crates.io crate system76-oled 0.1.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate system76-oled 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a9150d1bceb1c1826fd9fac0d59e3a462db87dbd7c7792ef6830da062a125616
[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" "a9150d1bceb1c1826fd9fac0d59e3a462db87dbd7c7792ef6830da062a125616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9150d1bceb1c1826fd9fac0d59e3a462db87dbd7c7792ef6830da062a125616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9150d1bceb1c1826fd9fac0d59e3a462db87dbd7c7792ef6830da062a125616", kill_on_drop: false }`
[INFO] [stdout] a9150d1bceb1c1826fd9fac0d59e3a462db87dbd7c7792ef6830da062a125616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e420deeaafca3d6cfe37b33fee1d56c8f74dc7717672ffd5961879c66b54f58e
[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" "e420deeaafca3d6cfe37b33fee1d56c8f74dc7717672ffd5961879c66b54f58e", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]  Documenting system76-oled v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "e420deeaafca3d6cfe37b33fee1d56c8f74dc7717672ffd5961879c66b54f58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e420deeaafca3d6cfe37b33fee1d56c8f74dc7717672ffd5961879c66b54f58e", kill_on_drop: false }`
[INFO] [stdout] e420deeaafca3d6cfe37b33fee1d56c8f74dc7717672ffd5961879c66b54f58e