[INFO] fetching crate jsonrpc-pubsub-examples 14.0.5...
[INFO] checking jsonrpc-pubsub-examples-14.0.5 against beta for pr-78714
[INFO] extracting crate jsonrpc-pubsub-examples 14.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsonrpc-pubsub-examples 14.0.5 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-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-6/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" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-named-pipes v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v14.0.5
[INFO] [stderr]   Downloaded jsonrpc-ws-server v14.0.5
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.3.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v14.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f9b221ab390e6c44e80e2105db440eb3e1229805a5f0d1531df8262c493649d6
[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" "f9b221ab390e6c44e80e2105db440eb3e1229805a5f0d1531df8262c493649d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9b221ab390e6c44e80e2105db440eb3e1229805a5f0d1531df8262c493649d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b221ab390e6c44e80e2105db440eb3e1229805a5f0d1531df8262c493649d6", kill_on_drop: false }`
[INFO] [stdout] f9b221ab390e6c44e80e2105db440eb3e1229805a5f0d1531df8262c493649d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c4d9d31fb04e67c78c0376d3751f6206224025918fb971cbc963ad23439afdd
[INFO] running `Command { std: "docker" "start" "-a" "1c4d9d31fb04e67c78c0376d3751f6206224025918fb971cbc963ad23439afdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]     Checking mio-named-pipes v0.1.6
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking miow v0.3.3
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]     Checking parity-tokio-ipc v0.3.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking ws v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking jsonrpc-core v14.0.5
[INFO] [stderr]     Checking jsonrpc-server-utils v14.0.5
[INFO] [stderr]     Checking jsonrpc-pubsub v14.0.5
[INFO] [stderr]     Checking jsonrpc-ws-server v14.0.5
[INFO] [stderr]     Checking jsonrpc-ipc-server v14.0.5
[INFO] [stderr]     Checking jsonrpc-pubsub-examples v14.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.19s
[INFO] running `Command { std: "docker" "inspect" "1c4d9d31fb04e67c78c0376d3751f6206224025918fb971cbc963ad23439afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4d9d31fb04e67c78c0376d3751f6206224025918fb971cbc963ad23439afdd", kill_on_drop: false }`
[INFO] [stdout] 1c4d9d31fb04e67c78c0376d3751f6206224025918fb971cbc963ad23439afdd