[INFO] cloning repository https://github.com/xanthous-tech/dgraph-ws-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xanthous-tech/dgraph-ws-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanthous-tech%2Fdgraph-ws-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanthous-tech%2Fdgraph-ws-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09fc94eb2bdea742837ee530a0fdab5b08411b90
[INFO] testing xanthous-tech/dgraph-ws-client against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanthous-tech%2Fdgraph-ws-client" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xanthous-tech/dgraph-ws-client on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xanthous-tech/dgraph-ws-client
[INFO] finished tweaking git repo https://github.com/xanthous-tech/dgraph-ws-client
[INFO] tweaked toml for git repo https://github.com/xanthous-tech/dgraph-ws-client written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/xanthous-tech/dgraph-ws-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded querystring v1.1.0
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 666c142b6a85836e82c7b1bc0a2d8118a2d5801b626bdfdd1852514619dc0a69
[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" "666c142b6a85836e82c7b1bc0a2d8118a2d5801b626bdfdd1852514619dc0a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666c142b6a85836e82c7b1bc0a2d8118a2d5801b626bdfdd1852514619dc0a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666c142b6a85836e82c7b1bc0a2d8118a2d5801b626bdfdd1852514619dc0a69", kill_on_drop: false }`
[INFO] [stdout] 666c142b6a85836e82c7b1bc0a2d8118a2d5801b626bdfdd1852514619dc0a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f55353aeb61372c938ae5a182065346c4b519dca81a2af285484a173677e430
[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" "0f55353aeb61372c938ae5a182065346c4b519dca81a2af285484a173677e430", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling querystring v1.1.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.14.1
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tonic-build v0.2.0
[INFO] [stderr]    Compiling dgraph-tonic v0.8.1 (https://github.com/xanthous-tech/dgraph-tonic?branch=expose-ilazyclient#5d8e29c9)
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr] error: failed to run custom build command for `dgraph-tonic v0.8.1 (https://github.com/xanthous-tech/dgraph-tonic?branch=expose-ilazyclient#5d8e29c9)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dgraph-tonic-95b0866749248bcc/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f55353aeb61372c938ae5a182065346c4b519dca81a2af285484a173677e430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f55353aeb61372c938ae5a182065346c4b519dca81a2af285484a173677e430", kill_on_drop: false }`
[INFO] [stdout] 0f55353aeb61372c938ae5a182065346c4b519dca81a2af285484a173677e430