[INFO] cloning repository https://github.com/nagarajmanjunath/rust_rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nagarajmanjunath/rust_rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2Frust_rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2Frust_rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7f08bac9d23d9f55483680eacb8c96fcc7f9289
[INFO] testing nagarajmanjunath/rust_rpc against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnagarajmanjunath%2Frust_rpc" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nagarajmanjunath/rust_rpc on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nagarajmanjunath/rust_rpc
[INFO] finished tweaking git repo https://github.com/nagarajmanjunath/rust_rpc
[INFO] tweaked toml for git repo https://github.com/nagarajmanjunath/rust_rpc written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/nagarajmanjunath/rust_rpc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c5e92b06728a601e37d28cc5832c18a123757a494588bd8033774bc4d409b67
[INFO] running `Command { std: "docker" "start" "-a" "5c5e92b06728a601e37d28cc5832c18a123757a494588bd8033774bc4d409b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c5e92b06728a601e37d28cc5832c18a123757a494588bd8033774bc4d409b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c5e92b06728a601e37d28cc5832c18a123757a494588bd8033774bc4d409b67", kill_on_drop: false }`
[INFO] [stdout] 5c5e92b06728a601e37d28cc5832c18a123757a494588bd8033774bc4d409b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db07f6f711d491fd06d7f2941f89bf40332faf8194bf3c419a247ad47123aeba
[INFO] running `Command { std: "docker" "start" "-a" "db07f6f711d491fd06d7f2941f89bf40332faf8194bf3c419a247ad47123aeba", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling jsonrpc-derive v14.0.5
[INFO] [stderr]    Compiling jsonrpc-core v14.0.5
[INFO] [stderr]    Compiling jsonrpc-server-utils v14.0.5
[INFO] [stderr]    Compiling jsonrpc-pubsub v14.0.6
[INFO] [stderr]    Compiling jsonrpc-ws-server v14.0.6
[INFO] [stderr]    Compiling jsonrpc-ipc-server v14.0.7
[INFO] [stderr]    Compiling jsonrpc-http-server v14.0.6
[INFO] [stderr]    Compiling rust_rpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<RpcExtractor as HttpMetaExtractor>::Metadata == ()`
[INFO] [stdout]   --> src/main.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let start_result = start_http(
[INFO] [stdout]    |                        ^^^^^^^^^^ expected `()`, found struct `Metadata`
[INFO] [stdout] ...
[INFO] [stdout] 42 | pub fn start_http<M, S, H, T>(
[INFO] [stdout]    |        ---------- required by a bound in this
[INFO] [stdout] ...
[INFO] [stdout] 50 |     T: HttpMetaExtractor<Metadata=M>,
[INFO] [stdout]    |                          ---------- required by this bound in `start_http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_rpc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "db07f6f711d491fd06d7f2941f89bf40332faf8194bf3c419a247ad47123aeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db07f6f711d491fd06d7f2941f89bf40332faf8194bf3c419a247ad47123aeba", kill_on_drop: false }`
[INFO] [stdout] db07f6f711d491fd06d7f2941f89bf40332faf8194bf3c419a247ad47123aeba
