[INFO] fetching crate roa-jsonrpc 0.5.0-alpha...
[INFO] testing roa-jsonrpc-0.5.0-alpha against 1.55.0 for beta-1.56-1
[INFO] extracting crate roa-jsonrpc 0.5.0-alpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate roa-jsonrpc 0.5.0-alpha 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 roa-jsonrpc 0.5.0-alpha
[INFO] finished tweaking crates.io crate roa-jsonrpc 0.5.0-alpha
[INFO] tweaked toml for crates.io crate roa-jsonrpc 0.5.0-alpha written to /workspace/builds/worker-0/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 86f5c4dac917e689319a8202c850aebad99b5a95f328755f708734d9fd737e4b
[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" "86f5c4dac917e689319a8202c850aebad99b5a95f328755f708734d9fd737e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86f5c4dac917e689319a8202c850aebad99b5a95f328755f708734d9fd737e4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f5c4dac917e689319a8202c850aebad99b5a95f328755f708734d9fd737e4b", kill_on_drop: false }`
[INFO] [stdout] 86f5c4dac917e689319a8202c850aebad99b5a95f328755f708734d9fd737e4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ff8be64d62ea3ba23f3edda85f146fa58d88a58eb72477d1544077497470f90d
[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" "ff8be64d62ea3ba23f3edda85f146fa58d88a58eb72477d1544077497470f90d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling extensions v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling jsonrpc-v2 v0.5.3
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling roa-core v0.5.1
[INFO] [stderr]    Compiling roa v0.5.3
[INFO] [stderr]    Compiling roa-jsonrpc v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.76s
[INFO] running `Command { std: "docker" "inspect" "ff8be64d62ea3ba23f3edda85f146fa58d88a58eb72477d1544077497470f90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8be64d62ea3ba23f3edda85f146fa58d88a58eb72477d1544077497470f90d", kill_on_drop: false }`
[INFO] [stdout] ff8be64d62ea3ba23f3edda85f146fa58d88a58eb72477d1544077497470f90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec5764c9c18e877abaec024d9a2ee0b497c8a4cbcb93858d271119fa83c4255
[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" "9ec5764c9c18e877abaec024d9a2ee0b497c8a4cbcb93858d271119fa83c4255", kill_on_drop: false }`
[INFO] [stderr]    Compiling roa-jsonrpc v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "9ec5764c9c18e877abaec024d9a2ee0b497c8a4cbcb93858d271119fa83c4255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec5764c9c18e877abaec024d9a2ee0b497c8a4cbcb93858d271119fa83c4255", kill_on_drop: false }`
[INFO] [stdout] 9ec5764c9c18e877abaec024d9a2ee0b497c8a4cbcb93858d271119fa83c4255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e8e933f66021f3a4f88e1d8565ffcdae7d87f56fb2cc9dfa9ae44a8fe16ba16
[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" "4e8e933f66021f3a4f88e1d8565ffcdae7d87f56fb2cc9dfa9ae44a8fe16ba16", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roa_jsonrpc-c7e205df6dab84a5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests roa-jsonrpc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e8e933f66021f3a4f88e1d8565ffcdae7d87f56fb2cc9dfa9ae44a8fe16ba16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8e933f66021f3a4f88e1d8565ffcdae7d87f56fb2cc9dfa9ae44a8fe16ba16", kill_on_drop: false }`
[INFO] [stdout] 4e8e933f66021f3a4f88e1d8565ffcdae7d87f56fb2cc9dfa9ae44a8fe16ba16