[INFO] fetching crate telegram-client 0.6.2...
[INFO] documenting telegram-client-0.6.2 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate telegram-client 0.6.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate telegram-client 0.6.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate telegram-client 0.6.2
[INFO] finished tweaking crates.io crate telegram-client 0.6.2
[INFO] tweaked toml for crates.io crate telegram-client 0.6.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate telegram-client 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10b76e7e351b46f91e3af0f1b478e4938d8c7cdf768e0c6291e8ccdd3e2f08c5
[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" "10b76e7e351b46f91e3af0f1b478e4938d8c7cdf768e0c6291e8ccdd3e2f08c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b76e7e351b46f91e3af0f1b478e4938d8c7cdf768e0c6291e8ccdd3e2f08c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b76e7e351b46f91e3af0f1b478e4938d8c7cdf768e0c6291e8ccdd3e2f08c5", kill_on_drop: false }`
[INFO] [stdout] 10b76e7e351b46f91e3af0f1b478e4938d8c7cdf768e0c6291e8ccdd3e2f08c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "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] c2517fb0425ad9f9e50fcd0ccc3713026f4dbd884baee30c9268c9b9b0b5ccfe
[INFO] running `Command { std: "docker" "start" "-a" "c2517fb0425ad9f9e50fcd0ccc3713026f4dbd884baee30c9268c9b9b0b5ccfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling telegram-client v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rtdlib-sys v0.1.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking rtdlib v0.6.3
[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-0.6.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rtdlib-sys"' --cfg 'feature="sys"' -C metadata=9a6ceaf48fd028f3 -C extra-filename=-9a6ceaf48fd028f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-62ec670b068666f1.rmeta --extern rtdlib_sys=/opt/rustwide/target/debug/deps/librtdlib_sys-45a6d5437a860be3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cb9c33aa52e48644.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-2c3f786803991b51.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-25f632f1824d9824.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e4b8c3387e61f333.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c2517fb0425ad9f9e50fcd0ccc3713026f4dbd884baee30c9268c9b9b0b5ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2517fb0425ad9f9e50fcd0ccc3713026f4dbd884baee30c9268c9b9b0b5ccfe", kill_on_drop: false }`
[INFO] [stdout] c2517fb0425ad9f9e50fcd0ccc3713026f4dbd884baee30c9268c9b9b0b5ccfe
