[INFO] fetching crate ibc-telemetry 0.7.0...
[INFO] testing ibc-telemetry-0.7.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate ibc-telemetry 0.7.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate ibc-telemetry 0.7.0 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 ibc-telemetry 0.7.0
[INFO] finished tweaking crates.io crate ibc-telemetry 0.7.0
[INFO] tweaked toml for crates.io crate ibc-telemetry 0.7.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry v0.15.0
[INFO] [stderr]   Downloaded ics23 v0.6.5
[INFO] [stderr]   Downloaded flex-error v0.4.2
[INFO] [stderr]   Downloaded opentelemetry-prometheus v0.8.0
[INFO] [stderr]   Downloaded rouille v3.3.0
[INFO] [stderr]   Downloaded ibc-proto v0.10.1
[INFO] [stderr]   Downloaded ibc v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 26d818578d3f0e293841ba0f9904edba9ec0efc0e08949ded31325f39d2527b3
[INFO] running `Command { std: "docker" "start" "-a" "26d818578d3f0e293841ba0f9904edba9ec0efc0e08949ded31325f39d2527b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d818578d3f0e293841ba0f9904edba9ec0efc0e08949ded31325f39d2527b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d818578d3f0e293841ba0f9904edba9ec0efc0e08949ded31325f39d2527b3", kill_on_drop: false }`
[INFO] [stdout] 26d818578d3f0e293841ba0f9904edba9ec0efc0e08949ded31325f39d2527b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 3481c6438b3ea089ec311e647c25990b50cf20fff841a026f1c6b3777f92d526
[INFO] running `Command { std: "docker" "start" "-a" "3481c6438b3ea089ec311e647c25990b50cf20fff841a026f1c6b3777f92d526", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling time v0.3.2
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling tracing-core v0.1.20
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling ripemd160 v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling gzip-header v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling flex-error v0.4.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling deflate v0.9.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling multipart v0.18.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling anomaly v0.2.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.25.1/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 -C metadata=77ffb3c08406dcba -C extra-filename=-77ffb3c08406dcba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3481c6438b3ea089ec311e647c25990b50cf20fff841a026f1c6b3777f92d526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3481c6438b3ea089ec311e647c25990b50cf20fff841a026f1c6b3777f92d526", kill_on_drop: false }`
[INFO] [stdout] 3481c6438b3ea089ec311e647c25990b50cf20fff841a026f1c6b3777f92d526