[INFO] fetching crate sp-rpc 5.0.0...
[INFO] testing sp-rpc-5.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate sp-rpc 5.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sp-rpc 5.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-rpc 5.0.0
[INFO] finished tweaking crates.io crate sp-rpc 5.0.0
[INFO] tweaked toml for crates.io crate sp-rpc 5.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9915e65de1ad74a54ef6d5e0ac5e2693646d0feeb793af375fd862329028003b
[INFO] running `Command { std: "docker" "start" "-a" "9915e65de1ad74a54ef6d5e0ac5e2693646d0feeb793af375fd862329028003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9915e65de1ad74a54ef6d5e0ac5e2693646d0feeb793af375fd862329028003b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9915e65de1ad74a54ef6d5e0ac5e2693646d0feeb793af375fd862329028003b", kill_on_drop: false }`
[INFO] [stdout] 9915e65de1ad74a54ef6d5e0ac5e2693646d0feeb793af375fd862329028003b
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb24b1e90265e998dd9d514df057b58d5a52b27b7867cbd2174b19fc5457ed7
[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" "5bb24b1e90265e998dd9d514df057b58d5a52b27b7867cbd2174b19fc5457ed7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-std v4.0.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling parity-wasm v0.42.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling parity-util-mem v0.10.2
[INFO] [stderr]    Compiling base58 v0.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling sp-debug-derive v4.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tiny-bip39 v0.8.2
[INFO] [stderr]    Compiling sp-core-hashing v4.0.0
[INFO] [stderr]    Compiling sha2 v0.10.2
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling wasmi-validation v0.4.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]    Compiling substrate-bip39 v0.4.4
[INFO] [stderr]    Compiling wasmi v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ss58-registry v1.15.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling scale-info-derive v1.0.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v4.0.0
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling scale-info v1.0.0
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling sp-storage v5.0.0
[INFO] [stderr]    Compiling sp-wasm-interface v5.0.0
[INFO] [stderr]    Compiling sp-tracing v4.0.0
[INFO] [stderr]    Compiling sp-externalities v0.11.0
[INFO] [stderr]    Compiling primitive-types v0.10.1
[INFO] [stderr]    Compiling sp-runtime-interface v5.0.0
[INFO] [stderr]    Compiling sp-core v5.0.0
[INFO] [stderr]    Compiling sp-rpc v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "5bb24b1e90265e998dd9d514df057b58d5a52b27b7867cbd2174b19fc5457ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb24b1e90265e998dd9d514df057b58d5a52b27b7867cbd2174b19fc5457ed7", kill_on_drop: false }`
[INFO] [stdout] 5bb24b1e90265e998dd9d514df057b58d5a52b27b7867cbd2174b19fc5457ed7
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53caf20e0fbc80c79c67e28efdd82ebfa916928f67739ff9a4414e74a713cff8
[INFO] running `Command { std: "docker" "start" "-a" "53caf20e0fbc80c79c67e28efdd82ebfa916928f67739ff9a4414e74a713cff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sp-rpc v5.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     assert_eq!(serde_json::from_str::<T>(s).unwrap(), expected);
[INFO] [stdout]    |                ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]   --> src/lib.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     assert_eq!(serde_json::to_string(&expected).unwrap(), s);
[INFO] [stdout]    |                ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-rpc` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "53caf20e0fbc80c79c67e28efdd82ebfa916928f67739ff9a4414e74a713cff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53caf20e0fbc80c79c67e28efdd82ebfa916928f67739ff9a4414e74a713cff8", kill_on_drop: false }`
[INFO] [stdout] 53caf20e0fbc80c79c67e28efdd82ebfa916928f67739ff9a4414e74a713cff8