[INFO] fetching crate ethereum-json-rpc 1.3.12...
[INFO] checking ethereum-json-rpc-1.3.12 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate ethereum-json-rpc 1.3.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ethereum-json-rpc 1.3.12 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autorand v0.2.3
[INFO] [stderr]   Downloaded autorand-derive v0.2.2
[INFO] [stderr]   Downloaded jsonrpc-client-core v0.5.0
[INFO] [stderr]   Downloaded jsonrpc-core v8.0.1
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5475f1aa3fcec9df96b8eb96f16af5efc312d631bd7c976dee4d2d2ff8c4c0c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5475f1aa3fcec9df96b8eb96f16af5efc312d631bd7c976dee4d2d2ff8c4c0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5475f1aa3fcec9df96b8eb96f16af5efc312d631bd7c976dee4d2d2ff8c4c0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5475f1aa3fcec9df96b8eb96f16af5efc312d631bd7c976dee4d2d2ff8c4c0c4", kill_on_drop: false }`
[INFO] [stdout] 5475f1aa3fcec9df96b8eb96f16af5efc312d631bd7c976dee4d2d2ff8c4c0c4
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8206167b403052cf1a6f5da171f301eaebb8eabe915834c3d69c36c1de4a957
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8206167b403052cf1a6f5da171f301eaebb8eabe915834c3d69c36c1de4a957", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling autorand-derive v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking autorand v0.2.3
[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 [unoptimized + debuginfo] target(s) in 32.97s
[INFO] running `Command { std: "docker" "inspect" "c8206167b403052cf1a6f5da171f301eaebb8eabe915834c3d69c36c1de4a957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8206167b403052cf1a6f5da171f301eaebb8eabe915834c3d69c36c1de4a957", kill_on_drop: false }`
[INFO] [stdout] c8206167b403052cf1a6f5da171f301eaebb8eabe915834c3d69c36c1de4a957