[INFO] fetching crate bitcoincore-rpc-json 0.12.0...
[INFO] testing bitcoincore-rpc-json-0.12.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitcoincore-rpc-json 0.12.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bitcoincore-rpc-json 0.12.0 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 bitcoincore-rpc-json 0.12.0
[INFO] finished tweaking crates.io crate bitcoincore-rpc-json 0.12.0
[INFO] tweaked toml for crates.io crate bitcoincore-rpc-json 0.12.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b970c1c6d7b81deed25661831a4e61869e5a87d86637e699160bc9ba2400486d
[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" "b970c1c6d7b81deed25661831a4e61869e5a87d86637e699160bc9ba2400486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b970c1c6d7b81deed25661831a4e61869e5a87d86637e699160bc9ba2400486d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b970c1c6d7b81deed25661831a4e61869e5a87d86637e699160bc9ba2400486d", kill_on_drop: false }`
[INFO] [stdout] b970c1c6d7b81deed25661831a4e61869e5a87d86637e699160bc9ba2400486d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eac2cde7b1eed4031f315ba463126d28b030d2e8e63bd8de9a692efe4bdfdd3f
[INFO] running `Command { std: "docker" "start" "-a" "eac2cde7b1eed4031f315ba463126d28b030d2e8e63bd8de9a692efe4bdfdd3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.4
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling bitcoin v0.25.2
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.17s
[INFO] running `Command { std: "docker" "inspect" "eac2cde7b1eed4031f315ba463126d28b030d2e8e63bd8de9a692efe4bdfdd3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac2cde7b1eed4031f315ba463126d28b030d2e8e63bd8de9a692efe4bdfdd3f", kill_on_drop: false }`
[INFO] [stdout] eac2cde7b1eed4031f315ba463126d28b030d2e8e63bd8de9a692efe4bdfdd3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6efae610cecb227e629d320964e1e96bcffc5d2c0421318afe278ee2c2945ab3
[INFO] running `Command { std: "docker" "start" "-a" "6efae610cecb227e629d320964e1e96bcffc5d2c0421318afe278ee2c2945ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "6efae610cecb227e629d320964e1e96bcffc5d2c0421318afe278ee2c2945ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efae610cecb227e629d320964e1e96bcffc5d2c0421318afe278ee2c2945ab3", kill_on_drop: false }`
[INFO] [stdout] 6efae610cecb227e629d320964e1e96bcffc5d2c0421318afe278ee2c2945ab3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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", kill_on_drop: false }`
[INFO] [stdout] 354d93b7024580c8b468255c7910f744a2acaedec64912f0d4bf36c5437879fc
[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" "354d93b7024580c8b468255c7910f744a2acaedec64912f0d4bf36c5437879fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitcoincore_rpc_json-d717be622f7ff5cf
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitcoincore_rpc_json
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "354d93b7024580c8b468255c7910f744a2acaedec64912f0d4bf36c5437879fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354d93b7024580c8b468255c7910f744a2acaedec64912f0d4bf36c5437879fc", kill_on_drop: false }`
[INFO] [stdout] 354d93b7024580c8b468255c7910f744a2acaedec64912f0d4bf36c5437879fc