[INFO] fetching crate jsonrpc-pubsub 15.1.0...
[INFO] checking jsonrpc-pubsub-15.1.0 against beta for pr-78714
[INFO] extracting crate jsonrpc-pubsub 15.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate jsonrpc-pubsub 15.1.0 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-pubsub 15.1.0
[INFO] finished tweaking crates.io crate jsonrpc-pubsub 15.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-pubsub 15.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate jsonrpc-pubsub 15.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 53a15540487050f2e8afb91612e6b31b98dfb1b941642b3401fb88c48d40a52b
[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" "53a15540487050f2e8afb91612e6b31b98dfb1b941642b3401fb88c48d40a52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a15540487050f2e8afb91612e6b31b98dfb1b941642b3401fb88c48d40a52b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a15540487050f2e8afb91612e6b31b98dfb1b941642b3401fb88c48d40a52b", kill_on_drop: false }`
[INFO] [stdout] 53a15540487050f2e8afb91612e6b31b98dfb1b941642b3401fb88c48d40a52b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 88ef7d4744eefa3d9fb4115be6ccf8c4d2608b5ab2a3da73360eb71b49c2a324
[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" "88ef7d4744eefa3d9fb4115be6ccf8c4d2608b5ab2a3da73360eb71b49c2a324", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[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 tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.24
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking jsonrpc-core v15.1.0
[INFO] [stderr]     Checking jsonrpc-server-utils v15.1.0
[INFO] [stderr]     Checking jsonrpc-pubsub v15.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking jsonrpc-tcp-server v15.1.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.52s
[INFO] running `Command { std: "docker" "inspect" "88ef7d4744eefa3d9fb4115be6ccf8c4d2608b5ab2a3da73360eb71b49c2a324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ef7d4744eefa3d9fb4115be6ccf8c4d2608b5ab2a3da73360eb71b49c2a324", kill_on_drop: false }`
[INFO] [stdout] 88ef7d4744eefa3d9fb4115be6ccf8c4d2608b5ab2a3da73360eb71b49c2a324