[INFO] fetching crate jsonrpc-http-server 16.0.0...
[INFO] testing jsonrpc-http-server-16.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jsonrpc-http-server 16.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jsonrpc-http-server 16.0.0 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 jsonrpc-http-server 16.0.0
[INFO] finished tweaking crates.io crate jsonrpc-http-server 16.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-http-server 16.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-http-server 16.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7b145a585ac06d73e7974743235f0cfd5619cd366cfa020231b8850d1053806b
[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" "7b145a585ac06d73e7974743235f0cfd5619cd366cfa020231b8850d1053806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b145a585ac06d73e7974743235f0cfd5619cd366cfa020231b8850d1053806b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b145a585ac06d73e7974743235f0cfd5619cd366cfa020231b8850d1053806b", kill_on_drop: false }`
[INFO] [stdout] 7b145a585ac06d73e7974743235f0cfd5619cd366cfa020231b8850d1053806b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e866310c0bf686492f5bb2b795c52fdbb21610aaef87a984d3afaf0aa591c492
[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" "e866310c0bf686492f5bb2b795c52fdbb21610aaef87a984d3afaf0aa591c492", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling jsonrpc-core v16.0.0
[INFO] [stderr]    Compiling jsonrpc-server-utils v16.0.0
[INFO] [stderr]    Compiling jsonrpc-http-server v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.25s
[INFO] running `Command { std: "docker" "inspect" "e866310c0bf686492f5bb2b795c52fdbb21610aaef87a984d3afaf0aa591c492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e866310c0bf686492f5bb2b795c52fdbb21610aaef87a984d3afaf0aa591c492", kill_on_drop: false }`
[INFO] [stdout] e866310c0bf686492f5bb2b795c52fdbb21610aaef87a984d3afaf0aa591c492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09c1b647bb144ced66ed702d7556816bb372bb1e2e6e2a33102aff27d593c4fe
[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" "09c1b647bb144ced66ed702d7556816bb372bb1e2e6e2a33102aff27d593c4fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-http-server v16.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `jsonrpc-http-server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name jsonrpc_http_server --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=066a552bd23dd9e3 -C extra-filename=-066a552bd23dd9e3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7b0813627bd4e00d.rlib --extern futures01=/opt/rustwide/target/debug/deps/libfutures-adb515f94880e447.rlib --extern futures03=/opt/rustwide/target/debug/deps/libfutures-31a1c6ed051c105e.rlib --extern hyper=/opt/rustwide/target/debug/deps/libhyper-fd81ba14ef0e76a9.rlib --extern jsonrpc_core=/opt/rustwide/target/debug/deps/libjsonrpc_core-21575ef6d7319807.rlib --extern jsonrpc_server_utils=/opt/rustwide/target/debug/deps/libjsonrpc_server_utils-4958716aa9597d5d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e85f58044ae91ffe.rlib --extern net2=/opt/rustwide/target/debug/deps/libnet2-3513c9298b7fd7a6.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-ffdbce522c5674bb.rlib --extern unicase=/opt/rustwide/target/debug/deps/libunicase-7bf0e3bd5691c24d.rlib --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" "09c1b647bb144ced66ed702d7556816bb372bb1e2e6e2a33102aff27d593c4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09c1b647bb144ced66ed702d7556816bb372bb1e2e6e2a33102aff27d593c4fe", kill_on_drop: false }`
[INFO] [stdout] 09c1b647bb144ced66ed702d7556816bb372bb1e2e6e2a33102aff27d593c4fe