[INFO] fetching crate substrate-subxt-client 0.5.0...
[INFO] testing substrate-subxt-client-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate substrate-subxt-client 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate substrate-subxt-client 0.5.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-subxt-client 0.5.0
[INFO] finished tweaking crates.io crate substrate-subxt-client 0.5.0
[INFO] tweaked toml for crates.io crate substrate-subxt-client 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7844078ca3ef119c32e981e48473285b32bb5c6686f9944d5f5fb123568d6c6
[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" "b7844078ca3ef119c32e981e48473285b32bb5c6686f9944d5f5fb123568d6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7844078ca3ef119c32e981e48473285b32bb5c6686f9944d5f5fb123568d6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7844078ca3ef119c32e981e48473285b32bb5c6686f9944d5f5fb123568d6c6", kill_on_drop: false }`
[INFO] [stdout] b7844078ca3ef119c32e981e48473285b32bb5c6686f9944d5f5fb123568d6c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ca3e43446e53e1e2a6c399cc11adfb96a5078441da2e6d610d652ccb5be4e0
[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" "53ca3e43446e53e1e2a6c399cc11adfb96a5078441da2e6d610d652ccb5be4e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling retain_mut v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling linked_hash_set v0.1.4
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling minicbor-derive v0.4.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling slog_derive v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling jsonrpsee-proc-macros v0.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling parity-ws v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3e08ed8e01fedeb4 -C extra-filename=-3e08ed8e01fedeb4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-f6c1acefd86d4937.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-751e5967119454f8.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-6048d71bcce27ffd.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "53ca3e43446e53e1e2a6c399cc11adfb96a5078441da2e6d610d652ccb5be4e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ca3e43446e53e1e2a6c399cc11adfb96a5078441da2e6d610d652ccb5be4e0", kill_on_drop: false }`
[INFO] [stdout] 53ca3e43446e53e1e2a6c399cc11adfb96a5078441da2e6d610d652ccb5be4e0