[INFO] cloning repository https://github.com/agend/tower-grpc-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agend/tower-grpc-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5aaeacca4aec947b0a3493836b2316b7b28c2c5
[INFO] documenting agend/tower-grpc-bench against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagend%2Ftower-grpc-bench" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agend/tower-grpc-bench 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 git repo https://github.com/agend/tower-grpc-bench
[INFO] finished tweaking git repo https://github.com/agend/tower-grpc-bench
[INFO] tweaked toml for git repo https://github.com/agend/tower-grpc-bench written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/agend/tower-grpc-bench 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]     Updating git repository `https://github.com/tower-rs/tower-http`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-grpc`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-h2`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/tokio-connect`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/codegen`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr]   Downloaded tokio-buf v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 56ea6d016a41d4b6212f29d32f2f1ce896a374b5b5e612cb8d0dead22f6e0f4d
[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" "56ea6d016a41d4b6212f29d32f2f1ce896a374b5b5e612cb8d0dead22f6e0f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ea6d016a41d4b6212f29d32f2f1ce896a374b5b5e612cb8d0dead22f6e0f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ea6d016a41d4b6212f29d32f2f1ce896a374b5b5e612cb8d0dead22f6e0f4d", kill_on_drop: false }`
[INFO] [stdout] 56ea6d016a41d4b6212f29d32f2f1ce896a374b5b5e612cb8d0dead22f6e0f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 07cb14f7fca4edf2e7bbd71f4b045fde83407d4a78a88da5dfc8be08d3adcc08
[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" "07cb14f7fca4edf2e7bbd71f4b045fde83407d4a78a88da5dfc8be08d3adcc08", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking tower-service v0.2.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling codegen v0.1.1 (https://github.com/carllerche/codegen#87e270f7)
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]     Checking tower-layer v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-discover v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tower-timeout v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-retry v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-buffer v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-in-flight-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-rate-limit v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-filter v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-load-shed v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking tokio-buf v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tower-util v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tower-reconnect v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tower-balance v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tower v0.1.0 (https://github.com/tower-rs/tower#d7516c32)
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]     Checking tower-http-service v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc)
[INFO] [stderr]     Checking tower-add-origin v0.1.0 (https://github.com/tower-rs/tower-http#6d7a9fdc)
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]     Checking tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2#ac7ea5bd)
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]     Checking tower-grpc v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3)
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling tower-grpc-build v0.1.0 (https://github.com/tower-rs/tower-grpc#979567f3)
[INFO] [stderr]    Compiling tower-grpc-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tower-grpc-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.63s
[INFO] running `Command { std: "docker" "inspect" "07cb14f7fca4edf2e7bbd71f4b045fde83407d4a78a88da5dfc8be08d3adcc08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cb14f7fca4edf2e7bbd71f4b045fde83407d4a78a88da5dfc8be08d3adcc08", kill_on_drop: false }`
[INFO] [stdout] 07cb14f7fca4edf2e7bbd71f4b045fde83407d4a78a88da5dfc8be08d3adcc08