[INFO] fetching crate telegram-client 1.7.1...
[INFO] testing telegram-client-1.7.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate telegram-client 1.7.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate telegram-client 1.7.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate telegram-client 1.7.1
[INFO] finished tweaking crates.io crate telegram-client 1.7.1
[INFO] tweaked toml for crates.io crate telegram-client 1.7.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate telegram-client 1.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-aux v0.6.1
[INFO] [stderr]   Downloaded rtdlib-sys v0.1.0
[INFO] [stderr]   Downloaded toolkit v0.1.1
[INFO] [stderr]   Downloaded rtdlib v1.7.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d1228ac4c88dac887af2a7a26db967ab45bcbefa7f862c6e3d649f357676d7
[INFO] running `Command { std: "docker" "start" "-a" "28d1228ac4c88dac887af2a7a26db967ab45bcbefa7f862c6e3d649f357676d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d1228ac4c88dac887af2a7a26db967ab45bcbefa7f862c6e3d649f357676d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d1228ac4c88dac887af2a7a26db967ab45bcbefa7f862c6e3d649f357676d7", kill_on_drop: false }`
[INFO] [stdout] 28d1228ac4c88dac887af2a7a26db967ab45bcbefa7f862c6e3d649f357676d7
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943c4e5d9b7547b0d5e5185bc27afe2e17bb2dafab50e291e16ab0a84e166a9e
[INFO] running `Command { std: "docker" "start" "-a" "943c4e5d9b7547b0d5e5185bc27afe2e17bb2dafab50e291e16ab0a84e166a9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling telegram-client v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rtdlib-sys v0.1.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling serde-aux v0.6.1
[INFO] [stderr]    Compiling rtdlib v1.7.1
[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-1.7.1/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=340c4e479e897216 -C extra-filename=-340c4e479e897216 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-9671ab53ef38a5fb.rmeta --extern rtdlib_sys=/opt/rustwide/target/debug/deps/librtdlib_sys-22adb28cd39f606a.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0bc142ced8087772.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-2d225007ca8d0a55.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-139e4c9893022225.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-4536ede62ebc5143.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-9daf5fed3fd7a222.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "943c4e5d9b7547b0d5e5185bc27afe2e17bb2dafab50e291e16ab0a84e166a9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943c4e5d9b7547b0d5e5185bc27afe2e17bb2dafab50e291e16ab0a84e166a9e", kill_on_drop: false }`
[INFO] [stdout] 943c4e5d9b7547b0d5e5185bc27afe2e17bb2dafab50e291e16ab0a84e166a9e