[INFO] fetching crate romio 0.3.0-alpha.10...
[INFO] documenting romio-0.3.0-alpha.10 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate romio 0.3.0-alpha.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate romio 0.3.0-alpha.10 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 romio 0.3.0-alpha.10
[INFO] finished tweaking crates.io crate romio 0.3.0-alpha.10
[INFO] tweaked toml for crates.io crate romio 0.3.0-alpha.10 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate romio 0.3.0-alpha.10 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] 2810af615f37006d39ec9576cb068ea6f7e862b4b02d81fdf6e494a0a1fa1e70
[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" "2810af615f37006d39ec9576cb068ea6f7e862b4b02d81fdf6e494a0a1fa1e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2810af615f37006d39ec9576cb068ea6f7e862b4b02d81fdf6e494a0a1fa1e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2810af615f37006d39ec9576cb068ea6f7e862b4b02d81fdf6e494a0a1fa1e70", kill_on_drop: false }`
[INFO] [stdout] 2810af615f37006d39ec9576cb068ea6f7e862b4b02d81fdf6e494a0a1fa1e70
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a2dc3c77f7a981d6f38835ff5453a986694608bfa5c408371f6517bbba4bf77
[INFO] running `Command { std: "docker" "start" "-a" "1a2dc3c77f7a981d6f38835ff5453a986694608bfa5c408371f6517bbba4bf77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking async-ready v3.0.0
[INFO] [stderr]     Checking async-datagram v3.0.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]  Documenting romio v0.3.0-alpha.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "1a2dc3c77f7a981d6f38835ff5453a986694608bfa5c408371f6517bbba4bf77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2dc3c77f7a981d6f38835ff5453a986694608bfa5c408371f6517bbba4bf77", kill_on_drop: false }`
[INFO] [stdout] 1a2dc3c77f7a981d6f38835ff5453a986694608bfa5c408371f6517bbba4bf77
