[INFO] fetching crate rumqttd 0.0.2...
[INFO] documenting rumqttd-0.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rumqttd 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rumqttd 0.0.2 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 rumqttd 0.0.2
[INFO] finished tweaking crates.io crate rumqttd 0.0.2
[INFO] tweaked toml for crates.io crate rumqttd 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rumqttd 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rumqttlog v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 32a0ffc3a9eb6c8b2e89b1661d28cd2b8b9ae6c92c6c24de20577d511d628595
[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" "32a0ffc3a9eb6c8b2e89b1661d28cd2b8b9ae6c92c6c24de20577d511d628595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a0ffc3a9eb6c8b2e89b1661d28cd2b8b9ae6c92c6c24de20577d511d628595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a0ffc3a9eb6c8b2e89b1661d28cd2b8b9ae6c92c6c24de20577d511d628595", kill_on_drop: false }`
[INFO] [stdout] 32a0ffc3a9eb6c8b2e89b1661d28cd2b8b9ae6c92c6c24de20577d511d628595
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e807ac55d739a358ec989086140508155d48236c6f4772611e846bb440d03325
[INFO] running `Command { std: "docker" "start" "-a" "e807ac55d739a358ec989086140508155d48236c6f4772611e846bb440d03325", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking bytemuck v1.3.1
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking intmap v0.7.0
[INFO] [stderr]     Checking mqtt4bytes v0.1.6
[INFO] [stderr]    Compiling symbolic-demangle v7.4.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking msvc-demangler v0.8.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking rgb v0.8.24
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking symbolic-common v7.4.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking inferno v0.10.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]    Compiling pprof v0.3.18
[INFO] [stderr]     Checking rumqttc v0.0.6
[INFO] [stderr]     Checking rumqttlog v0.1.1
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking rumqttd v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rumqttd v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "e807ac55d739a358ec989086140508155d48236c6f4772611e846bb440d03325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e807ac55d739a358ec989086140508155d48236c6f4772611e846bb440d03325", kill_on_drop: false }`
[INFO] [stdout] e807ac55d739a358ec989086140508155d48236c6f4772611e846bb440d03325