[INFO] fetching crate warp-json-rpc 0.3.0...
[INFO] checking warp-json-rpc-0.3.0 against master#8a703520e80d87d4423c01f9d4fbc9e5f6533a02 for pr-154205-1
[INFO] extracting crate warp-json-rpc 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate warp-json-rpc 0.3.0
[INFO] finished tweaking crates.io crate warp-json-rpc 0.3.0
[INFO] tweaked toml for crates.io crate warp-json-rpc 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate warp-json-rpc 0.3.0 on toolchain 8a703520e80d87d4423c01f9d4fbc9e5f6533a02
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate warp-json-rpc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42bb31de3f133497690a78ba3ab73677ad3eab788a553cb82f32342bfeca9beb
[INFO] running `Command { std: "docker" "start" "-a" "42bb31de3f133497690a78ba3ab73677ad3eab788a553cb82f32342bfeca9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42bb31de3f133497690a78ba3ab73677ad3eab788a553cb82f32342bfeca9beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42bb31de3f133497690a78ba3ab73677ad3eab788a553cb82f32342bfeca9beb", kill_on_drop: false }`
[INFO] [stdout] 42bb31de3f133497690a78ba3ab73677ad3eab788a553cb82f32342bfeca9beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8a703520e80d87d4423c01f9d4fbc9e5f6533a02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b4ad99567e8b233b5d753db5d9336295bb7bae2c325a11b28cf24b45de03f94
[INFO] running `Command { std: "docker" "start" "-a" "8b4ad99567e8b233b5d753db5d9336295bb7bae2c325a11b28cf24b45de03f94", kill_on_drop: false }`
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[INFO] [stderr]     Checking bytes v0.5.6
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[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]     Checking warp-json-rpc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `jsonrpc` is never read
[INFO] [stdout]   --> src/req.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Request {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 17 |     jsonrpc: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jsonrpc` is never read
[INFO] [stdout]   --> src/req.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Request {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 17 |     jsonrpc: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8b4ad99567e8b233b5d753db5d9336295bb7bae2c325a11b28cf24b45de03f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4ad99567e8b233b5d753db5d9336295bb7bae2c325a11b28cf24b45de03f94", kill_on_drop: false }`
[INFO] [stdout] 8b4ad99567e8b233b5d753db5d9336295bb7bae2c325a11b28cf24b45de03f94