[INFO] fetching crate jsonrpc_client 0.2.0...
[INFO] checking jsonrpc_client-0.2.0 against beta for pr-78714
[INFO] extracting crate jsonrpc_client 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonrpc_client 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc_client 0.2.0
[INFO] finished tweaking crates.io crate jsonrpc_client 0.2.0
[INFO] tweaked toml for crates.io crate jsonrpc_client 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbfbd51da25aa7ad24973864582118f27977f63469ea4ff9070d44a08783dd4b
[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" "cbfbd51da25aa7ad24973864582118f27977f63469ea4ff9070d44a08783dd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbfbd51da25aa7ad24973864582118f27977f63469ea4ff9070d44a08783dd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfbd51da25aa7ad24973864582118f27977f63469ea4ff9070d44a08783dd4b", kill_on_drop: false }`
[INFO] [stdout] cbfbd51da25aa7ad24973864582118f27977f63469ea4ff9070d44a08783dd4b
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470ab4afc0f99d6f0f1956ce056d9dedbe071c7bf20d367821a8cac965e6f313
[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" "470ab4afc0f99d6f0f1956ce056d9dedbe071c7bf20d367821a8cac965e6f313", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking jsonrpc-core v8.0.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking globset v0.1.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking jsonrpc-server-utils v8.0.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking jsonrpc-http-server v8.0.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking jsonrpc_client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.43s
[INFO] running `Command { std: "docker" "inspect" "470ab4afc0f99d6f0f1956ce056d9dedbe071c7bf20d367821a8cac965e6f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470ab4afc0f99d6f0f1956ce056d9dedbe071c7bf20d367821a8cac965e6f313", kill_on_drop: false }`
[INFO] [stdout] 470ab4afc0f99d6f0f1956ce056d9dedbe071c7bf20d367821a8cac965e6f313