[INFO] fetching crate ruma-client 0.4.0...
[INFO] documenting ruma-client-0.4.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate ruma-client 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ruma-client 0.4.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-client 0.4.0
[INFO] finished tweaking crates.io crate ruma-client 0.4.0
[INFO] tweaked toml for crates.io crate ruma-client 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ruma-client 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruma-serde v0.2.1
[INFO] [stderr]   Downloaded ruma-events-macros v0.21.2
[INFO] [stderr]   Downloaded ruma-events v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef7f94de0a3bf563b12578cd3512e4098c88e070fb97b1dd3f76c0a4bfdc147b
[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" "ef7f94de0a3bf563b12578cd3512e4098c88e070fb97b1dd3f76c0a4bfdc147b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef7f94de0a3bf563b12578cd3512e4098c88e070fb97b1dd3f76c0a4bfdc147b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef7f94de0a3bf563b12578cd3512e4098c88e070fb97b1dd3f76c0a4bfdc147b", kill_on_drop: false }`
[INFO] [stdout] ef7f94de0a3bf563b12578cd3512e4098c88e070fb97b1dd3f76c0a4bfdc147b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedf24b8fcc33eaffeb84fa6da1800742fa9153bbf273397b1a8b6708666e9ad
[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" "aedf24b8fcc33eaffeb84fa6da1800742fa9153bbf273397b1a8b6708666e9ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling ruma-events-macros v0.21.2
[INFO] [stderr]    Compiling ruma-api-macros v0.16.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking js_int v0.1.5
[INFO] [stderr]     Checking ruma-identifiers v0.16.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking ruma-serde v0.2.1
[INFO] [stderr]     Checking ruma-common v0.1.2
[INFO] [stderr]     Checking ruma-api v0.16.1
[INFO] [stderr]     Checking ruma-events v0.21.2
[INFO] [stderr]     Checking ruma-client-api v0.9.0
[INFO] [stderr]  Documenting ruma-client v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "aedf24b8fcc33eaffeb84fa6da1800742fa9153bbf273397b1a8b6708666e9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedf24b8fcc33eaffeb84fa6da1800742fa9153bbf273397b1a8b6708666e9ad", kill_on_drop: false }`
[INFO] [stdout] aedf24b8fcc33eaffeb84fa6da1800742fa9153bbf273397b1a8b6708666e9ad
