[INFO] fetching crate pallet-contracts-rpc 3.0.0...
[INFO] checking pallet-contracts-rpc-3.0.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate pallet-contracts-rpc 3.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pallet-contracts-rpc 3.0.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-contracts-rpc 3.0.0
[INFO] finished tweaking crates.io crate pallet-contracts-rpc 3.0.0
[INFO] tweaked toml for crates.io crate pallet-contracts-rpc 3.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a0ffc2cbf53206aba2dbe024fc61b5479a078e1bdadbbb0dde67e0945bd03a9
[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" "7a0ffc2cbf53206aba2dbe024fc61b5479a078e1bdadbbb0dde67e0945bd03a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a0ffc2cbf53206aba2dbe024fc61b5479a078e1bdadbbb0dde67e0945bd03a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0ffc2cbf53206aba2dbe024fc61b5479a078e1bdadbbb0dde67e0945bd03a9", kill_on_drop: false }`
[INFO] [stdout] 7a0ffc2cbf53206aba2dbe024fc61b5479a078e1bdadbbb0dde67e0945bd03a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--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] 5a8433c7be7d06f3f47065d360648a99533741cdc0e1a51049002dc4e7f5d7d2
[INFO] running `Command { std: "docker" "start" "-a" "5a8433c7be7d06f3f47065d360648a99533741cdc0e1a51049002dc4e7f5d7d2", kill_on_drop: false }`
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[INFO] [stderr]     Checking pallet-contracts-primitives v3.0.0
[INFO] [stderr]     Checking sp-api v3.0.0
[INFO] [stderr]     Checking sp-consensus v0.9.0
[INFO] [stderr]     Checking pallet-contracts-rpc-runtime-api v3.0.0
[INFO] [stderr]     Checking sp-blockchain v3.0.0
[INFO] [stderr]     Checking pallet-contracts-rpc v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]    --> src/lib.rs:316:18
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let req: Req = serde_json::from_str(r#"
[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:332:37
[INFO] [stdout]     |
[INFO] [stdout] 332 |             let res: RpcContractExecResult = serde_json::from_str(expected).unwrap();
[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:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let actual = serde_json::to_string(&res).unwrap();
[INFO] [stdout]     |                          ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `pallet-contracts-rpc`
[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" "5a8433c7be7d06f3f47065d360648a99533741cdc0e1a51049002dc4e7f5d7d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8433c7be7d06f3f47065d360648a99533741cdc0e1a51049002dc4e7f5d7d2", kill_on_drop: false }`
[INFO] [stdout] 5a8433c7be7d06f3f47065d360648a99533741cdc0e1a51049002dc4e7f5d7d2