[INFO] cloning repository https://github.com/kazuakiishiguro/jsonrpc-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazuakiishiguro/jsonrpc-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuakiishiguro%2Fjsonrpc-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuakiishiguro%2Fjsonrpc-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab1061c3b0a887f1f4dfc59839e8100785bd1214
[INFO] checking kazuakiishiguro/jsonrpc-demo against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazuakiishiguro%2Fjsonrpc-demo" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kazuakiishiguro/jsonrpc-demo on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazuakiishiguro/jsonrpc-demo
[INFO] finished tweaking git repo https://github.com/kazuakiishiguro/jsonrpc-demo
[INFO] tweaked toml for git repo https://github.com/kazuakiishiguro/jsonrpc-demo written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kazuakiishiguro/jsonrpc-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", 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] ed2514c8d6837665e3ff39eb38d1dcd19d314a67c5013e77a92fd516e187b06a
[INFO] running `Command { std: "docker" "start" "-a" "ed2514c8d6837665e3ff39eb38d1dcd19d314a67c5013e77a92fd516e187b06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed2514c8d6837665e3ff39eb38d1dcd19d314a67c5013e77a92fd516e187b06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed2514c8d6837665e3ff39eb38d1dcd19d314a67c5013e77a92fd516e187b06a", kill_on_drop: false }`
[INFO] [stdout] ed2514c8d6837665e3ff39eb38d1dcd19d314a67c5013e77a92fd516e187b06a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa70b24aeb9a9403a5e180e955e415a524a835f896088584d644dd558ab860f
[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" "2fa70b24aeb9a9403a5e180e955e415a524a835f896088584d644dd558ab860f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking mime v0.3.8
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking globset v0.4.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking jsonrpc-core v8.0.2 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-server-utils v8.0.1 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-pubsub v8.0.1 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-macros v8.0.1 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-tcp-server v8.0.1 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-http-server v8.0.1 (https://github.com/paritytech/jsonrpc.git#c3f02dfb)
[INFO] [stderr]     Checking jsonrpc-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn sum(&self, u64, u64) -> BoxFuture<u64>;
[INFO] [stdout]    |                       ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/main.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn sum(&self, u64, u64) -> BoxFuture<u64>;
[INFO] [stdout]    |                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/main.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn sum(&self, u64, u64) -> BoxFuture<u64>;
[INFO] [stdout]    |                       ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/main.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn sum(&self, u64, u64) -> BoxFuture<u64>;
[INFO] [stdout]    |                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.20s
[INFO] running `Command { std: "docker" "inspect" "2fa70b24aeb9a9403a5e180e955e415a524a835f896088584d644dd558ab860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa70b24aeb9a9403a5e180e955e415a524a835f896088584d644dd558ab860f", kill_on_drop: false }`
[INFO] [stdout] 2fa70b24aeb9a9403a5e180e955e415a524a835f896088584d644dd558ab860f