[INFO] fetching crate telegram-client 0.6.1...
[INFO] documenting telegram-client-0.6.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate telegram-client 0.6.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate telegram-client 0.6.1 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 telegram-client 0.6.1
[INFO] finished tweaking crates.io crate telegram-client 0.6.1
[INFO] tweaked toml for crates.io crate telegram-client 0.6.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate telegram-client 0.6.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded toolkit v0.1.1
[INFO] [stderr]   Downloaded rtdlib v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2153d7396e69d501267f5ab8f6fbc665d29788c6fbb2a82f1669e581914b81c5
[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" "2153d7396e69d501267f5ab8f6fbc665d29788c6fbb2a82f1669e581914b81c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2153d7396e69d501267f5ab8f6fbc665d29788c6fbb2a82f1669e581914b81c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2153d7396e69d501267f5ab8f6fbc665d29788c6fbb2a82f1669e581914b81c5", kill_on_drop: false }`
[INFO] [stdout] 2153d7396e69d501267f5ab8f6fbc665d29788c6fbb2a82f1669e581914b81c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 95165508d834d48f98ae012a713b64ddf574535e4955e6909e2707cad5ae13c3
[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" "95165508d834d48f98ae012a713b64ddf574535e4955e6909e2707cad5ae13c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling telegram-client v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rtdlib-sys v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking rtdlib v0.6.2
[INFO] [stderr] error: could not compile `rtdlib`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rtdlib-0.6.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rtdlib-sys"' --cfg 'feature="sys"' -C metadata=a204d915aa9ae5b7 -C extra-filename=-a204d915aa9ae5b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-f043014874957fea.rmeta --extern rtdlib_sys=/opt/rustwide/target/debug/deps/librtdlib_sys-470a3e6854c9a19f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f8c78819049c834b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9148b2fd7b223184.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0d3ff0188054cb80.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "95165508d834d48f98ae012a713b64ddf574535e4955e6909e2707cad5ae13c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95165508d834d48f98ae012a713b64ddf574535e4955e6909e2707cad5ae13c3", kill_on_drop: false }`
[INFO] [stdout] 95165508d834d48f98ae012a713b64ddf574535e4955e6909e2707cad5ae13c3