[INFO] fetching crate jsonrpc-http-server 18.0.0...
[INFO] checking jsonrpc-http-server-18.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate jsonrpc-http-server 18.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonrpc-http-server 18.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-http-server 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-http-server 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-http-server 18.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-http-server 18.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 250c40ecd81b9e50df80361a58253e75b98f00e31a66413115a5e752478e307a
[INFO] running `Command { std: "docker" "start" "-a" "250c40ecd81b9e50df80361a58253e75b98f00e31a66413115a5e752478e307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250c40ecd81b9e50df80361a58253e75b98f00e31a66413115a5e752478e307a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250c40ecd81b9e50df80361a58253e75b98f00e31a66413115a5e752478e307a", kill_on_drop: false }`
[INFO] [stdout] 250c40ecd81b9e50df80361a58253e75b98f00e31a66413115a5e752478e307a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a32fad6e9e5522a3bc3aa7b8e8f1e231a4c4fabad11d50084be213098bc319e
[INFO] running `Command { std: "docker" "start" "-a" "1a32fad6e9e5522a3bc3aa7b8e8f1e231a4c4fabad11d50084be213098bc319e", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking jsonrpc-core v18.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v18.0.0
[INFO] [stderr]     Checking jsonrpc-http-server v18.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "1a32fad6e9e5522a3bc3aa7b8e8f1e231a4c4fabad11d50084be213098bc319e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a32fad6e9e5522a3bc3aa7b8e8f1e231a4c4fabad11d50084be213098bc319e", kill_on_drop: false }`
[INFO] [stdout] 1a32fad6e9e5522a3bc3aa7b8e8f1e231a4c4fabad11d50084be213098bc319e