[INFO] fetching crate jsonrpc-pubsub-examples 14.0.5...
[INFO] testing jsonrpc-pubsub-examples-14.0.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate jsonrpc-pubsub-examples 14.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonrpc-pubsub-examples 14.0.5 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-pubsub-examples 14.0.5
[INFO] finished tweaking crates.io crate jsonrpc-pubsub-examples 14.0.5
[INFO] tweaked toml for crates.io crate jsonrpc-pubsub-examples 14.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-pubsub-examples 14.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded tokio-named-pipes v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-server-utils v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-core v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v14.0.5
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.3.0
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b90ff3d21cfb1c1e5c74c1fbd828112ec2e561fdc9a5da6b3f1418a131ad3ec
[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" "3b90ff3d21cfb1c1e5c74c1fbd828112ec2e561fdc9a5da6b3f1418a131ad3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b90ff3d21cfb1c1e5c74c1fbd828112ec2e561fdc9a5da6b3f1418a131ad3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b90ff3d21cfb1c1e5c74c1fbd828112ec2e561fdc9a5da6b3f1418a131ad3ec", kill_on_drop: false }`
[INFO] [stdout] 3b90ff3d21cfb1c1e5c74c1fbd828112ec2e561fdc9a5da6b3f1418a131ad3ec
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c63ce3fe3de03abc6248f9e211d05589017013cd6103fc49ae9c7599eab2d2
[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" "51c63ce3fe3de03abc6248f9e211d05589017013cd6103fc49ae9c7599eab2d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling mio-named-pipes v0.1.6
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling ws v0.9.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling miow v0.3.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-named-pipes v0.1.0
[INFO] [stderr]    Compiling parity-tokio-ipc v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling jsonrpc-core v14.0.5
[INFO] [stderr]    Compiling jsonrpc-server-utils v14.0.5
[INFO] [stderr]    Compiling jsonrpc-pubsub v14.0.5
[INFO] [stderr]    Compiling jsonrpc-ws-server v14.0.5
[INFO] [stderr]    Compiling jsonrpc-ipc-server v14.0.5
[INFO] [stderr]    Compiling jsonrpc-pubsub-examples v14.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.67s
[INFO] running `Command { std: "docker" "inspect" "51c63ce3fe3de03abc6248f9e211d05589017013cd6103fc49ae9c7599eab2d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c63ce3fe3de03abc6248f9e211d05589017013cd6103fc49ae9c7599eab2d2", kill_on_drop: false }`
[INFO] [stdout] 51c63ce3fe3de03abc6248f9e211d05589017013cd6103fc49ae9c7599eab2d2
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5264b7c90010466fb104f22187639ae235ba4a7a8716c5494cd375929f04b526
[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" "5264b7c90010466fb104f22187639ae235ba4a7a8716c5494cd375929f04b526", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonrpc-pubsub-examples v14.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "5264b7c90010466fb104f22187639ae235ba4a7a8716c5494cd375929f04b526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5264b7c90010466fb104f22187639ae235ba4a7a8716c5494cd375929f04b526", kill_on_drop: false }`
[INFO] [stdout] 5264b7c90010466fb104f22187639ae235ba4a7a8716c5494cd375929f04b526
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec743441d51bdd6e754b0de960c5d5aba98f2b1086b09c8d3deeb5a49596c0a4
[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" "ec743441d51bdd6e754b0de960c5d5aba98f2b1086b09c8d3deeb5a49596c0a4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonrpc_pubsub_examples-f4daa8a0ab824329
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonrpc-pubsub-examples
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec743441d51bdd6e754b0de960c5d5aba98f2b1086b09c8d3deeb5a49596c0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec743441d51bdd6e754b0de960c5d5aba98f2b1086b09c8d3deeb5a49596c0a4", kill_on_drop: false }`
[INFO] [stdout] ec743441d51bdd6e754b0de960c5d5aba98f2b1086b09c8d3deeb5a49596c0a4