[INFO] fetching crate may 0.3.18...
[INFO] documenting may-0.3.18 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate may 0.3.18 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate may 0.3.18 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate may 0.3.18
[INFO] finished tweaking crates.io crate may 0.3.18
[INFO] tweaked toml for crates.io crate may 0.3.18 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate may 0.3.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a7b6a828423569b4cd64e2e76c370ec07fad8a517b6d5a2e9cdf31dc086ec9
[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" "47a7b6a828423569b4cd64e2e76c370ec07fad8a517b6d5a2e9cdf31dc086ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a7b6a828423569b4cd64e2e76c370ec07fad8a517b6d5a2e9cdf31dc086ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a7b6a828423569b4cd64e2e76c370ec07fad8a517b6d5a2e9cdf31dc086ec9", kill_on_drop: false }`
[INFO] [stdout] 47a7b6a828423569b4cd64e2e76c370ec07fad8a517b6d5a2e9cdf31dc086ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32771d581bec7def49ca3ef367d878c62b6e35ea3effa8075b6acf1f55460e59
[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" "32771d581bec7def49ca3ef367d878c62b6e35ea3effa8075b6acf1f55460e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling may_queue v0.1.7
[INFO] [stderr]    Compiling generator v0.6.21
[INFO] [stderr]    Compiling may v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]  Documenting may v0.3.18 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "32771d581bec7def49ca3ef367d878c62b6e35ea3effa8075b6acf1f55460e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32771d581bec7def49ca3ef367d878c62b6e35ea3effa8075b6acf1f55460e59", kill_on_drop: false }`
[INFO] [stdout] 32771d581bec7def49ca3ef367d878c62b6e35ea3effa8075b6acf1f55460e59
