[INFO] cloning repository https://github.com/SchoolOfFreelancing/PolkaDot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SchoolOfFreelancing/PolkaDot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchoolOfFreelancing%2FPolkaDot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchoolOfFreelancing%2FPolkaDot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eba3eeae646809f0a51fd592e0bc25320bab6dae
[INFO] checking SchoolOfFreelancing/PolkaDot against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchoolOfFreelancing%2FPolkaDot" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchoolOfFreelancing/PolkaDot on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SchoolOfFreelancing/PolkaDot
[INFO] finished tweaking git repo https://github.com/SchoolOfFreelancing/PolkaDot
[INFO] tweaked toml for git repo https://github.com/SchoolOfFreelancing/PolkaDot written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SchoolOfFreelancing/PolkaDot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/reed-solomon-erasure`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/slog-async`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.0
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded slog_derive v0.1.1
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.0
[INFO] [stderr]   Downloaded wasmi v0.5.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded parity-multihash v0.1.3
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded ws v0.8.1
[INFO] [stderr]   Downloaded finality-grandpa v0.9.0
[INFO] [stderr]   Downloaded rocksdb v0.10.1
[INFO] [stderr]   Downloaded pretty_assertions v0.5.1
[INFO] [stderr]   Downloaded impl-codec v0.4.0
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded bstr v0.2.6
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded slog-scope v4.1.2
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]   Downloaded futures-timer v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.25
[INFO] [stderr]   Downloaded syn v0.15.43
[INFO] [stderr]   Downloaded primitive-types v0.5.0
[INFO] [stderr]   Downloaded doc-comment v0.3.1
[INFO] [stderr]   Downloaded sysinfo v0.9.1
[INFO] [stderr]   Downloaded parity-util-mem v0.2.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.5
[INFO] [stderr]   Downloaded jsonrpc-core v12.2.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v12.2.0
[INFO] [stderr]   Downloaded shared_memory v0.8.2
[INFO] [stderr]   Downloaded jsonrpc-core-client v12.2.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.11.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.11.0
[INFO] [stderr]   Downloaded memory-db v0.15.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.4.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.11.0
[INFO] [stderr]   Downloaded libp2p-uds v0.11.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.3.0
[INFO] [stderr]   Downloaded libp2p-identify v0.11.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.11.0
[INFO] [stderr]   Downloaded hex-literal v0.2.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.11.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.11.0
[INFO] [stderr]   Downloaded libp2p-ping v0.11.0
[INFO] [stderr]   Downloaded hash-db v0.15.0
[INFO] [stderr]   Downloaded trie-root v0.15.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.11.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.11.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v12.2.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.11.0
[INFO] [stderr]   Downloaded libp2p-dns v0.11.0
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v1.0.2
[INFO] [stderr]   Downloaded jsonrpc-derive v12.2.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v12.2.0
[INFO] [stderr]   Downloaded libp2p v0.11.0
[INFO] [stderr]   Downloaded libp2p-secio v0.11.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.1.0
[INFO] [stderr]   Downloaded trie-db v0.15.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v12.2.0
[INFO] [stderr]   Downloaded libp2p-noise v0.9.0
[INFO] [stderr]   Downloaded schnorrkel v0.8.4
[INFO] [stderr]   Downloaded libp2p-kad v0.11.0
[INFO] [stderr]   Downloaded libp2p-core v0.11.0
[INFO] [stderr]   Downloaded dlmalloc v0.1.3
[INFO] [stderr]   Downloaded jsonrpc-ws-server v12.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aaf948f8c329cf07ba9d3009c147ffb799bb41ea2289b62f37ca40f541ad0d9
[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" "6aaf948f8c329cf07ba9d3009c147ffb799bb41ea2289b62f37ca40f541ad0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aaf948f8c329cf07ba9d3009c147ffb799bb41ea2289b62f37ca40f541ad0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaf948f8c329cf07ba9d3009c147ffb799bb41ea2289b62f37ca40f541ad0d9", kill_on_drop: false }`
[INFO] [stdout] 6aaf948f8c329cf07ba9d3009c147ffb799bb41ea2289b62f37ca40f541ad0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69cf4fb9a6b77fef121064b0da49e3dc33ae40a238bdf70dc9dbc7ca3c9ff6c9
[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" "69cf4fb9a6b77fef121064b0da49e3dc33ae40a238bdf70dc9dbc7ca3c9ff6c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "69cf4fb9a6b77fef121064b0da49e3dc33ae40a238bdf70dc9dbc7ca3c9ff6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69cf4fb9a6b77fef121064b0da49e3dc33ae40a238bdf70dc9dbc7ca3c9ff6c9", kill_on_drop: false }`
[INFO] [stdout] 69cf4fb9a6b77fef121064b0da49e3dc33ae40a238bdf70dc9dbc7ca3c9ff6c9