[INFO] fetching crate winsen-co2-sensor 0.1.0... [INFO] documenting winsen-co2-sensor-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate winsen-co2-sensor 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate winsen-co2-sensor 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 winsen-co2-sensor 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate winsen-co2-sensor 0.1.0 [INFO] tweaked toml for crates.io crate winsen-co2-sensor 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate winsen-co2-sensor 0.1.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fdceb77e7d84786a8e94c3c613f4b3dbed9592ce31455c6dee3004969fed04fb [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" "fdceb77e7d84786a8e94c3c613f4b3dbed9592ce31455c6dee3004969fed04fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdceb77e7d84786a8e94c3c613f4b3dbed9592ce31455c6dee3004969fed04fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdceb77e7d84786a8e94c3c613f4b3dbed9592ce31455c6dee3004969fed04fb", kill_on_drop: false }` [INFO] [stdout] fdceb77e7d84786a8e94c3c613f4b3dbed9592ce31455c6dee3004969fed04fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3ac7d1c466d274cb4f4c4ae67fe5a8b213730480bcad85e1aa100b147b2019c0 [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" "3ac7d1c466d274cb4f4c4ae67fe5a8b213730480bcad85e1aa100b147b2019c0", kill_on_drop: false }` [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Documenting winsen-co2-sensor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `Command { std: "docker" "inspect" "3ac7d1c466d274cb4f4c4ae67fe5a8b213730480bcad85e1aa100b147b2019c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ac7d1c466d274cb4f4c4ae67fe5a8b213730480bcad85e1aa100b147b2019c0", kill_on_drop: false }` [INFO] [stdout] 3ac7d1c466d274cb4f4c4ae67fe5a8b213730480bcad85e1aa100b147b2019c0