[INFO] fetching crate ethereum-json-rpc 1.3.12...
[INFO] checking ethereum-json-rpc-1.3.12 against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] extracting crate ethereum-json-rpc 1.3.12 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ethereum-json-rpc 1.3.12
[INFO] finished tweaking crates.io crate ethereum-json-rpc 1.3.12
[INFO] tweaked toml for crates.io crate ethereum-json-rpc 1.3.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ethereum-json-rpc 1.3.12 on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.32)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonrpc-client-core v0.5.0
[INFO] [stderr]   Downloaded autorand v0.2.3
[INFO] [stderr]   Downloaded autorand-derive v0.2.2
[INFO] [stderr]   Downloaded jsonrpc-core v8.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87
[INFO] running `Command { std: "docker" "start" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]    Compiling autorand-derive v0.2.2
[INFO] [stderr]     Checking autorand v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking jsonrpc-client-core v0.5.0
[INFO] [stderr]     Checking ethereum-json-rpc v1.3.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87", kill_on_drop: false }`
[INFO] [stdout] a49dd8cd5284ae6ec49013cd6a34f2ec1f6331b35b7d1d4bff0ccfd4fa0e2f87
