[INFO] fetching crate cortex-m-logger 0.0.0-alpha.1...
[INFO] documenting cortex-m-logger-0.0.0-alpha.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cortex-m-logger 0.0.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cortex-m-logger 0.0.0-alpha.1 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 cortex-m-logger 0.0.0-alpha.1
[INFO] finished tweaking crates.io crate cortex-m-logger 0.0.0-alpha.1
[INFO] tweaked toml for crates.io crate cortex-m-logger 0.0.0-alpha.1 written to /workspace/builds/worker-2/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] 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] eeb47287bb8d10c4f1cd54292903602e3c719775f1b81e8d0dc4d4e6c3a006ee
[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" "eeb47287bb8d10c4f1cd54292903602e3c719775f1b81e8d0dc4d4e6c3a006ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb47287bb8d10c4f1cd54292903602e3c719775f1b81e8d0dc4d4e6c3a006ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb47287bb8d10c4f1cd54292903602e3c719775f1b81e8d0dc4d4e6c3a006ee", kill_on_drop: false }`
[INFO] [stdout] eeb47287bb8d10c4f1cd54292903602e3c719775f1b81e8d0dc4d4e6c3a006ee
[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] a820df767a9507408ac92d4c4cb53c5873735143e021df6b74b5c85e107ad10f
[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" "a820df767a9507408ac92d4c4cb53c5873735143e021df6b74b5c85e107ad10f", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]  Documenting cortex-m-logger v0.0.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "a820df767a9507408ac92d4c4cb53c5873735143e021df6b74b5c85e107ad10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a820df767a9507408ac92d4c4cb53c5873735143e021df6b74b5c85e107ad10f", kill_on_drop: false }`
[INFO] [stdout] a820df767a9507408ac92d4c4cb53c5873735143e021df6b74b5c85e107ad10f