[INFO] fetching crate jsonrpc-server-utils 18.0.0...
[INFO] checking jsonrpc-server-utils-18.0.0 against master#8f43b85954d2f3d8fc00a7504c603e5ca9eb0695 for pr-133502-5
[INFO] extracting crate jsonrpc-server-utils 18.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate jsonrpc-server-utils 18.0.0 on toolchain 8f43b85954d2f3d8fc00a7504c603e5ca9eb0695
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-server-utils 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-server-utils 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-server-utils 18.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-util v0.6.10 (available: v0.7.15)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicase v2.8.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43c71eee50c8ad0880b3064f6c24d120b51d3d940a47f20a2ce90c9301ab6f30
[INFO] running `Command { std: "docker" "start" "-a" "43c71eee50c8ad0880b3064f6c24d120b51d3d940a47f20a2ce90c9301ab6f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43c71eee50c8ad0880b3064f6c24d120b51d3d940a47f20a2ce90c9301ab6f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c71eee50c8ad0880b3064f6c24d120b51d3d940a47f20a2ce90c9301ab6f30", kill_on_drop: false }`
[INFO] [stdout] 43c71eee50c8ad0880b3064f6c24d120b51d3d940a47f20a2ce90c9301ab6f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+8f43b85954d2f3d8fc00a7504c603e5ca9eb0695" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b45e52af1ab2855ee9095910f22e3f9e0ca4dc718eeca6f68931a1cf172698ca
[INFO] running `Command { std: "docker" "start" "-a" "b45e52af1ab2855ee9095910f22e3f9e0ca4dc718eeca6f68931a1cf172698ca", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking jsonrpc-core v18.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v18.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `executor` is never read
[INFO] [stdout]   --> src/reactor.rs:78:2
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct RpcEventLoop {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     executor: TaskExecutor,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RpcEventLoop` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `executor` is never read
[INFO] [stdout]   --> src/reactor.rs:78:2
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct RpcEventLoop {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     executor: TaskExecutor,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RpcEventLoop` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.54s
[INFO] running `Command { std: "docker" "inspect" "b45e52af1ab2855ee9095910f22e3f9e0ca4dc718eeca6f68931a1cf172698ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45e52af1ab2855ee9095910f22e3f9e0ca4dc718eeca6f68931a1cf172698ca", kill_on_drop: false }`
[INFO] [stdout] b45e52af1ab2855ee9095910f22e3f9e0ca4dc718eeca6f68931a1cf172698ca