[INFO] fetching crate pallet-randomness-collective-flip 2.0.0-rc3...
[INFO] checking pallet-randomness-collective-flip-2.0.0-rc3 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate pallet-randomness-collective-flip 2.0.0-rc3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pallet-randomness-collective-flip 2.0.0-rc3 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-randomness-collective-flip 2.0.0-rc3
[INFO] finished tweaking crates.io crate pallet-randomness-collective-flip 2.0.0-rc3
[INFO] tweaked toml for crates.io crate pallet-randomness-collective-flip 2.0.0-rc3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d07781f76e6505b0d6fbfcd6bc6592c44d5659e56135cb4e7206ae7aac67de39
[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" "d07781f76e6505b0d6fbfcd6bc6592c44d5659e56135cb4e7206ae7aac67de39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d07781f76e6505b0d6fbfcd6bc6592c44d5659e56135cb4e7206ae7aac67de39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07781f76e6505b0d6fbfcd6bc6592c44d5659e56135cb4e7206ae7aac67de39", kill_on_drop: false }`
[INFO] [stdout] d07781f76e6505b0d6fbfcd6bc6592c44d5659e56135cb4e7206ae7aac67de39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64e5fa44ff60435ab5c25d8479aee76b4faaad9ad58d8d371fb9379b0b2b6e2
[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" "d64e5fa44ff60435ab5c25d8479aee76b4faaad9ad58d8d371fb9379b0b2b6e2", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking sp-panic-handler v2.0.0-rc3
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking trie-db v0.20.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-externalities v0.8.0-rc3
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc3
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc3
[INFO] [stderr]     Checking primitive-types v0.7.2
[INFO] [stderr]     Checking parity-util-mem v0.6.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc3
[INFO] [stderr]     Checking memory-db v0.20.1
[INFO] [stderr]     Checking sp-core v2.0.0-rc3
[INFO] [stderr]     Checking sp-trie v2.0.0-rc3
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc3
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc3
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc3
[INFO] [stderr]     Checking sp-io v2.0.0-rc3
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc3
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc3
[INFO] [stderr]     Checking frame-support v2.0.0-rc3
[INFO] [stderr]     Checking sp-version v2.0.0-rc3
[INFO] [stderr]     Checking frame-system v2.0.0-rc3
[INFO] [stderr]     Checking pallet-randomness-collective-flip v2.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]    --> src/lib.rs:136:6
[INFO] [stdout]     |
[INFO] [stdout] 136 |     use sp_core::H256;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `sp_io`
[INFO] [stdout]    --> src/lib.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn new_test_ext() -> sp_io::TestExternalities {
[INFO] [stdout]     |                          ^^^^^ use of undeclared type or module `sp_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-randomness-collective-flip`.
[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" "d64e5fa44ff60435ab5c25d8479aee76b4faaad9ad58d8d371fb9379b0b2b6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64e5fa44ff60435ab5c25d8479aee76b4faaad9ad58d8d371fb9379b0b2b6e2", kill_on_drop: false }`
[INFO] [stdout] d64e5fa44ff60435ab5c25d8479aee76b4faaad9ad58d8d371fb9379b0b2b6e2