[INFO] fetching crate jsonrpc-client-core 0.5.0...
[INFO] checking jsonrpc-client-core-0.5.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate jsonrpc-client-core 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsonrpc-client-core 0.5.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-client-core 0.5.0
[INFO] finished tweaking crates.io crate jsonrpc-client-core 0.5.0
[INFO] tweaked toml for crates.io crate jsonrpc-client-core 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2954e98ab5b890878c309feb903b5f2a1b7a447c06240fb7f04bf09b4b7b6db
[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" "d2954e98ab5b890878c309feb903b5f2a1b7a447c06240fb7f04bf09b4b7b6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2954e98ab5b890878c309feb903b5f2a1b7a447c06240fb7f04bf09b4b7b6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2954e98ab5b890878c309feb903b5f2a1b7a447c06240fb7f04bf09b4b7b6db", kill_on_drop: false }`
[INFO] [stdout] d2954e98ab5b890878c309feb903b5f2a1b7a447c06240fb7f04bf09b4b7b6db
[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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--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] f3c1f1b210c01b283804a2115ac997c4d55e4560ee33ac4464f42cdd8c54e6f6
[INFO] running `Command { std: "docker" "start" "-a" "f3c1f1b210c01b283804a2115ac997c4d55e4560ee33ac4464f42cdd8c54e6f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking jsonrpc-client-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:36
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub type BoxFuture<T, E> = Box<Future<Item = T, Error = E> + Send>;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = T, Error = E> + Send`
[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 28.14s
[INFO] running `Command { std: "docker" "inspect" "f3c1f1b210c01b283804a2115ac997c4d55e4560ee33ac4464f42cdd8c54e6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c1f1b210c01b283804a2115ac997c4d55e4560ee33ac4464f42cdd8c54e6f6", kill_on_drop: false }`
[INFO] [stdout] f3c1f1b210c01b283804a2115ac997c4d55e4560ee33ac4464f42cdd8c54e6f6