[INFO] fetching crate liquid-rpc 0.2.0...
[INFO] testing liquid-rpc-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate liquid-rpc 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate liquid-rpc 0.2.0 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 liquid-rpc 0.2.0
[INFO] finished tweaking crates.io crate liquid-rpc 0.2.0
[INFO] tweaked toml for crates.io crate liquid-rpc 0.2.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6d6a07865b27e74c9ae66ef235edc93d2d371f2baaee5c76b94244002087c88b
[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" "6d6a07865b27e74c9ae66ef235edc93d2d371f2baaee5c76b94244002087c88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d6a07865b27e74c9ae66ef235edc93d2d371f2baaee5c76b94244002087c88b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6a07865b27e74c9ae66ef235edc93d2d371f2baaee5c76b94244002087c88b", kill_on_drop: false }`
[INFO] [stdout] 6d6a07865b27e74c9ae66ef235edc93d2d371f2baaee5c76b94244002087c88b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] aaba67083082696bda02927ab69da88e9193b003132a652ebef5578615a37c6f
[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" "aaba67083082696bda02927ab69da88e9193b003132a652ebef5578615a37c6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling jsonrpc v0.11.0
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling bitcoin v0.23.0
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.11.0
[INFO] [stderr]    Compiling elements v0.12.1
[INFO] [stderr]    Compiling bitcoincore-rpc v0.11.0
[INFO] [stderr]    Compiling liquid-rpc-json v0.2.0
[INFO] [stderr]    Compiling liquid-rpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.88s
[INFO] running `Command { std: "docker" "inspect" "aaba67083082696bda02927ab69da88e9193b003132a652ebef5578615a37c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaba67083082696bda02927ab69da88e9193b003132a652ebef5578615a37c6f", kill_on_drop: false }`
[INFO] [stdout] aaba67083082696bda02927ab69da88e9193b003132a652ebef5578615a37c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c9e73b2afd87f0b45e163b68f3a17c681e228bc933c1d7aa79a55b4ac828bec6
[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" "c9e73b2afd87f0b45e163b68f3a17c681e228bc933c1d7aa79a55b4ac828bec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling liquid-rpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "c9e73b2afd87f0b45e163b68f3a17c681e228bc933c1d7aa79a55b4ac828bec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e73b2afd87f0b45e163b68f3a17c681e228bc933c1d7aa79a55b4ac828bec6", kill_on_drop: false }`
[INFO] [stdout] c9e73b2afd87f0b45e163b68f3a17c681e228bc933c1d7aa79a55b4ac828bec6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5efd31273ef3ef472288a2a95e38e7c8b84aa04fabe60a6ea98da6966491bff2
[INFO] running `Command { std: "docker" "start" "-a" "5efd31273ef3ef472288a2a95e38e7c8b84aa04fabe60a6ea98da6966491bff2", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/liquid_rpc-574c7ed7235abafc
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liquid_rpc
[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" "5efd31273ef3ef472288a2a95e38e7c8b84aa04fabe60a6ea98da6966491bff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efd31273ef3ef472288a2a95e38e7c8b84aa04fabe60a6ea98da6966491bff2", kill_on_drop: false }`
[INFO] [stdout] 5efd31273ef3ef472288a2a95e38e7c8b84aa04fabe60a6ea98da6966491bff2