[INFO] fetching crate telegram-client 0.6.2...
[INFO] testing telegram-client-0.6.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate telegram-client 0.6.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate telegram-client 0.6.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-13/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" "+1.49.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af0e9186f3ac687c5288dc4dbb26e1ed30000e2fff7429a8cce2a340792e5132
[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" "af0e9186f3ac687c5288dc4dbb26e1ed30000e2fff7429a8cce2a340792e5132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af0e9186f3ac687c5288dc4dbb26e1ed30000e2fff7429a8cce2a340792e5132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0e9186f3ac687c5288dc4dbb26e1ed30000e2fff7429a8cce2a340792e5132", kill_on_drop: false }`
[INFO] [stdout] af0e9186f3ac687c5288dc4dbb26e1ed30000e2fff7429a8cce2a340792e5132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTFLAGS=--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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3b8a33e9c9dde73b2d2e278436f5af0dfa0dfd02f8fd5a0c65637736df68a4
[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" "ba3b8a33e9c9dde73b2d2e278436f5af0dfa0dfd02f8fd5a0c65637736df68a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling telegram-client v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rtdlib-sys v0.1.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling serde-aux v0.6.1
[INFO] [stderr]    Compiling 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,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rtdlib-sys"' --cfg 'feature="sys"' -C metadata=38c5725d64c56cde -C extra-filename=-38c5725d64c56cde --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-746f201bb5e0eaec.rmeta --extern rtdlib_sys=/opt/rustwide/target/debug/deps/librtdlib_sys-e4b4ba11f280d3b9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1b36ae708a3f8c9a.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-dcc9238439c4702d.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-042f634adbcf0944.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d57c958f28e2c0a1.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ba3b8a33e9c9dde73b2d2e278436f5af0dfa0dfd02f8fd5a0c65637736df68a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3b8a33e9c9dde73b2d2e278436f5af0dfa0dfd02f8fd5a0c65637736df68a4", kill_on_drop: false }`
[INFO] [stdout] ba3b8a33e9c9dde73b2d2e278436f5af0dfa0dfd02f8fd5a0c65637736df68a4