[INFO] fetching crate sp-runtime 2.0.0-rc6...
[INFO] checking sp-runtime-2.0.0-rc6 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate sp-runtime 2.0.0-rc6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sp-runtime 2.0.0-rc6 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sp-runtime 2.0.0-rc6
[INFO] finished tweaking crates.io crate sp-runtime 2.0.0-rc6
[INFO] tweaked toml for crates.io crate sp-runtime 2.0.0-rc6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 91f21ea569e965605750e6432c1a4c5c874cacf215193171322a8a065c277000
[INFO] running `Command { std: "docker" "start" "-a" "91f21ea569e965605750e6432c1a4c5c874cacf215193171322a8a065c277000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91f21ea569e965605750e6432c1a4c5c874cacf215193171322a8a065c277000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f21ea569e965605750e6432c1a4c5c874cacf215193171322a8a065c277000", kill_on_drop: false }`
[INFO] [stdout] 91f21ea569e965605750e6432c1a4c5c874cacf215193171322a8a065c277000
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "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] 2afcf158bdcb77fffdce3f1c6c1cd755c168adf9de8f6eb3a5ae7a735c95a287
[INFO] running `Command { std: "docker" "start" "-a" "2afcf158bdcb77fffdce3f1c6c1cd755c168adf9de8f6eb3a5ae7a735c95a287", kill_on_drop: false }`
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stdout]    --> src/generic/header.rs:210:48
[INFO] [stdout]     |
[INFO] [stdout] 210 |             let mut der = serde_json::Deserializer::new(serde_json::de::StrRead::new(num));
[INFO] [stdout]     |                                                         ^^^^^^^^^^ use of undeclared type or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `serde_json` in `{{root}}`
[INFO] [stdout]    --> src/generic/digest.rs:440:6
[INFO] [stdout]     |
[INFO] [stdout] 440 |             ::serde_json::to_string(&digest).unwrap(),
[INFO] [stdout]     |               ^^^^^^^^^^ could not find `serde_json` in `{{root}}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stdout]    --> src/lib.rs:831:14
[INFO] [stdout]     |
[INFO] [stdout] 831 |         assert_eq!(serde_json::to_string(&ex).unwrap(), "\"0x1001020304\"".to_owned());
[INFO] [stdout]     |                    ^^^^^^^^^^ use of undeclared type or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `sp_state_machine`
[INFO] [stdout]    --> src/lib.rs:874:17
[INFO] [stdout]     |
[INFO] [stdout] 874 |         let mut ext = sp_state_machine::BasicExternalities::default();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ use of undeclared type or module `sp_state_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stdout]    --> src/generic/header.rs:195:31
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 let mut ser = serde_json::Serializer::new(std::io::Cursor::new(&mut v));
[INFO] [stdout]     |                                           ^^^^^^^^^^ not found in `serde_json`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use crate::serde::Serializer;
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use serde::Serializer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `serde_json`
[INFO] [stdout]    --> src/generic/header.rs:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |             let mut der = serde_json::Deserializer::new(serde_json::de::StrRead::new(num));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ not found in `serde_json`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use crate::serde::Deserializer;
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use serde::Deserializer;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&mut _: _::_serde::Deserializer<'_>` is not satisfied
[INFO] [stdout]    --> src/generic/header.rs:211:23
[INFO] [stdout]     |
[INFO] [stdout] 81  | pub fn deserialize_number<'a, D, T: Copy + Into<U256> + TryFrom<U256>>(
[INFO] [stdout]     |        ------------------ required by a bound in this
[INFO] [stdout] 82  |     d: D,
[INFO] [stdout] 83  | ) -> Result<T, D::Error> where D: serde::Deserializer<'a> {
[INFO] [stdout]     |                                   ----------------------- required by this bound in `generic::header::deserialize_number`
[INFO] [stdout] ...
[INFO] [stdout] 211 |             deserialize_number(&mut der).unwrap()
[INFO] [stdout]     |                                -^^^^^^^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the trait `_::_serde::Deserializer<'_>` is not implemented for `&mut _`
[INFO] [stdout]     |                                help: consider removing the leading `&`-reference
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <_::_serde::de::value::BoolDeserializer<E> as _::_serde::Deserializer<'de>>
[INFO] [stdout]               <_::_serde::de::value::BorrowedBytesDeserializer<'de, E> as _::_serde::Deserializer<'de>>
[INFO] [stdout]               <_::_serde::de::value::BorrowedStrDeserializer<'de, E> as _::_serde::Deserializer<'de>>
[INFO] [stdout]               <_::_serde::de::value::CharDeserializer<E> as _::_serde::Deserializer<'de>>
[INFO] [stdout]             and 33 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-runtime`.
[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" "2afcf158bdcb77fffdce3f1c6c1cd755c168adf9de8f6eb3a5ae7a735c95a287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2afcf158bdcb77fffdce3f1c6c1cd755c168adf9de8f6eb3a5ae7a735c95a287", kill_on_drop: false }`
[INFO] [stdout] 2afcf158bdcb77fffdce3f1c6c1cd755c168adf9de8f6eb3a5ae7a735c95a287
