[INFO] fetching crate solana-client 1.4.19...
[INFO] testing solana-client-1.4.19 against 1.49.0 for beta-1.50-1
[INFO] extracting crate solana-client 1.4.19 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate solana-client 1.4.19 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 solana-client 1.4.19
[INFO] finished tweaking crates.io crate solana-client 1.4.19
[INFO] tweaked toml for crates.io crate solana-client 1.4.19 written to /workspace/builds/worker-6/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69bd9f11b9d7ca15fb3357d89afa669b8e772fe295ad3090cfc7ce3303de68c6
[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" "69bd9f11b9d7ca15fb3357d89afa669b8e772fe295ad3090cfc7ce3303de68c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69bd9f11b9d7ca15fb3357d89afa669b8e772fe295ad3090cfc7ce3303de68c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bd9f11b9d7ca15fb3357d89afa669b8e772fe295ad3090cfc7ce3303de68c6", kill_on_drop: false }`
[INFO] [stdout] 69bd9f11b9d7ca15fb3357d89afa669b8e772fe295ad3090cfc7ce3303de68c6
[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=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] 63b765f67efde843f8745a69a8ee8f278f340149a82d8dbc834b699f3f3feeac
[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" "63b765f67efde843f8745a69a8ee8f278f340149a82d8dbc834b699f3f3feeac", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling solana-version v1.5.1
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling tokio-macros v0.3.2
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling jsonrpc-core v15.1.0
[INFO] [stderr]    Compiling dialoguer v0.6.2
[INFO] [stderr]    Compiling solana-program v1.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling spl-memo v2.0.1
[INFO] [stderr]    Compiling num_enum v0.5.1
[INFO] [stderr]    Compiling spl-token v3.0.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling hyper v0.13.9
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling solana-crate-features v1.5.1
[INFO] [stderr]    Compiling solana-sdk v1.5.1
[INFO] [stderr]    Compiling solana-metrics v1.5.1
[INFO] [stderr]    Compiling solana-config-program v1.5.1
[INFO] [stderr]    Compiling solana-remote-wallet v1.5.1
[INFO] [stderr]    Compiling solana-secp256k1-program v1.5.1
[INFO] [stderr]    Compiling solana-vote-program v1.5.1
[INFO] [stderr]    Compiling solana-measure v1.5.1
[INFO] [stderr]    Compiling solana-clap-utils v1.5.1
[INFO] [stderr]    Compiling solana-net-utils v1.5.1
[INFO] [stderr]    Compiling solana-stake-program v1.5.1
[INFO] [stderr]    Compiling solana-runtime v1.5.1
[INFO] [stderr]    Compiling solana-account-decoder v1.5.1
[INFO] [stderr]    Compiling solana-transaction-status v1.5.1
[INFO] [stderr]    Compiling solana-client v1.4.19 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `transaction_count` in initializer of `EpochInfo`
[INFO] [stdout]   --> src/mock_sender.rs:62:62
[INFO] [stdout]    |
[INFO] [stdout] 62 |             RpcRequest::GetEpochInfo => serde_json::to_value(EpochInfo {
[INFO] [stdout]    |                                                              ^^^^^^^^^ missing `transaction_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solana-client`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "63b765f67efde843f8745a69a8ee8f278f340149a82d8dbc834b699f3f3feeac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b765f67efde843f8745a69a8ee8f278f340149a82d8dbc834b699f3f3feeac", kill_on_drop: false }`
[INFO] [stdout] 63b765f67efde843f8745a69a8ee8f278f340149a82d8dbc834b699f3f3feeac