[INFO] fetching crate opentelemetry-zpages 0.1.0...
[INFO] testing opentelemetry-zpages-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opentelemetry-zpages 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate opentelemetry-zpages 0.1.0 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 opentelemetry-zpages 0.1.0
[INFO] finished tweaking crates.io crate opentelemetry-zpages 0.1.0
[INFO] tweaked toml for crates.io crate opentelemetry-zpages 0.1.0 written to /workspace/builds/worker-6/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]  Downloading crates ...
[INFO] [stderr]   Downloaded opentelemetry v0.16.0
[INFO] [stderr]   Downloaded grpcio-compiler v0.6.0
[INFO] [stderr]   Downloaded protoc-grpcio v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e32df8fb0aa107abf74c59c03cfa490458169e5e78f9c81975bac1bb1de697e6
[INFO] running `Command { std: "docker" "start" "-a" "e32df8fb0aa107abf74c59c03cfa490458169e5e78f9c81975bac1bb1de697e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e32df8fb0aa107abf74c59c03cfa490458169e5e78f9c81975bac1bb1de697e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32df8fb0aa107abf74c59c03cfa490458169e5e78f9c81975bac1bb1de697e6", kill_on_drop: false }`
[INFO] [stdout] e32df8fb0aa107abf74c59c03cfa490458169e5e78f9c81975bac1bb1de697e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f85c6c616ec1a16703b056f6a3043df34673ae0668113662a778f2a77438eb5f
[INFO] running `Command { std: "docker" "start" "-a" "f85c6c616ec1a16703b056f6a3043df34673ae0668113662a778f2a77438eb5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.25.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling grpcio-sys v0.9.0+1.38.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr] error: could not compile `thiserror-impl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name thiserror_impl --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thiserror-impl-1.0.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=2a2e6b9e2ab834ef -C extra-filename=-2a2e6b9e2ab834ef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-06e97d6f0dfb172f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1b457121b46aa6b0.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a2653446fd8e335a.rlib --extern proc_macro --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" "f85c6c616ec1a16703b056f6a3043df34673ae0668113662a778f2a77438eb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85c6c616ec1a16703b056f6a3043df34673ae0668113662a778f2a77438eb5f", kill_on_drop: false }`
[INFO] [stdout] f85c6c616ec1a16703b056f6a3043df34673ae0668113662a778f2a77438eb5f