[INFO] crate slog-async 2.5.0 is already in cache
[INFO] documenting slog-async-2.5.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate slog-async 2.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate slog-async 2.5.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-async 2.5.0
[INFO] finished tweaking crates.io crate slog-async 2.5.0
[INFO] tweaked toml for crates.io crate slog-async 2.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88627e32cc5c0941f79dbcbb7a533b2a8fdb1744eb84e8261fb2cbea1a686829
[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" "88627e32cc5c0941f79dbcbb7a533b2a8fdb1744eb84e8261fb2cbea1a686829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88627e32cc5c0941f79dbcbb7a533b2a8fdb1744eb84e8261fb2cbea1a686829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88627e32cc5c0941f79dbcbb7a533b2a8fdb1744eb84e8261fb2cbea1a686829", kill_on_drop: false }`
[INFO] [stdout] 88627e32cc5c0941f79dbcbb7a533b2a8fdb1744eb84e8261fb2cbea1a686829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5fc89e97fd068228dcd20ace30e1d9823c7a258a1f3515cd37fdd77dda3a2cc
[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" "b5fc89e97fd068228dcd20ace30e1d9823c7a258a1f3515cd37fdd77dda3a2cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]  Documenting slog-async v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "b5fc89e97fd068228dcd20ace30e1d9823c7a258a1f3515cd37fdd77dda3a2cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fc89e97fd068228dcd20ace30e1d9823c7a258a1f3515cd37fdd77dda3a2cc", kill_on_drop: false }`
[INFO] [stdout] b5fc89e97fd068228dcd20ace30e1d9823c7a258a1f3515cd37fdd77dda3a2cc