[INFO] fetching crate sozu-lib 0.11.0...
[INFO] documenting sozu-lib-0.11.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sozu-lib 0.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sozu-lib 0.11.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sozu-lib 0.11.0
[INFO] finished tweaking crates.io crate sozu-lib 0.11.0
[INFO] tweaked toml for crates.io crate sozu-lib 0.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", 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] b8acdd24d14eeaf4ef30446cec00371380f1488944d9cbcd4ae696ba1c5ae3f3
[INFO] running `Command { std: "docker" "start" "-a" "b8acdd24d14eeaf4ef30446cec00371380f1488944d9cbcd4ae696ba1c5ae3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8acdd24d14eeaf4ef30446cec00371380f1488944d9cbcd4ae696ba1c5ae3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8acdd24d14eeaf4ef30446cec00371380f1488944d9cbcd4ae696ba1c5ae3f3", kill_on_drop: false }`
[INFO] [stdout] b8acdd24d14eeaf4ef30446cec00371380f1488944d9cbcd4ae696ba1c5ae3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "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] d586869ebfcdd3c44885043d07c75973e41d534ce8213cd0453161c553240dc6
[INFO] running `Command { std: "docker" "start" "-a" "d586869ebfcdd3c44885043d07c75973e41d534ce8213cd0453161c553240dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking pool v0.1.4
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.2.17
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking hdrhistogram v6.3.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]     Checking sozu-command-lib v0.11.48
[INFO] [stderr]  Documenting sozu-lib v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.65s
[INFO] running `Command { std: "docker" "inspect" "d586869ebfcdd3c44885043d07c75973e41d534ce8213cd0453161c553240dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d586869ebfcdd3c44885043d07c75973e41d534ce8213cd0453161c553240dc6", kill_on_drop: false }`
[INFO] [stdout] d586869ebfcdd3c44885043d07c75973e41d534ce8213cd0453161c553240dc6