[INFO] fetching crate pallet-randomness-collective-flip 2.0.0...
[INFO] checking pallet-randomness-collective-flip-2.0.0 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate pallet-randomness-collective-flip 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate pallet-randomness-collective-flip 2.0.0 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-randomness-collective-flip 2.0.0
[INFO] finished tweaking crates.io crate pallet-randomness-collective-flip 2.0.0
[INFO] tweaked toml for crates.io crate pallet-randomness-collective-flip 2.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] 6bb7d2bf50aaca377495f086f4056a7434a9c9b9c4849bd6bd07d6b9b14a6a16
[INFO] running `Command { std: "docker" "start" "-a" "6bb7d2bf50aaca377495f086f4056a7434a9c9b9c4849bd6bd07d6b9b14a6a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb7d2bf50aaca377495f086f4056a7434a9c9b9c4849bd6bd07d6b9b14a6a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb7d2bf50aaca377495f086f4056a7434a9c9b9c4849bd6bd07d6b9b14a6a16", kill_on_drop: false }`
[INFO] [stdout] 6bb7d2bf50aaca377495f086f4056a7434a9c9b9c4849bd6bd07d6b9b14a6a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d528dc1169450b55ae9c9e85385ad2470dd64e6daeb0cee4db29839e4b15e6e1
[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" "d528dc1169450b55ae9c9e85385ad2470dd64e6daeb0cee4db29839e4b15e6e1", kill_on_drop: false }`
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]     Checking sp-core v2.0.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking sp-trie v2.0.0
[INFO] [stderr]     Checking sp-inherents v2.0.0
[INFO] [stderr]     Checking frame-metadata v12.0.0
[INFO] [stderr]     Checking sp-state-machine v0.8.0
[INFO] [stderr]     Checking sp-io v2.0.0
[INFO] [stderr]     Checking sp-application-crypto v2.0.0
[INFO] [stderr]     Checking sp-runtime v2.0.0
[INFO] [stderr]     Checking sp-version v2.0.0
[INFO] [stderr]     Checking frame-support v2.0.0
[INFO] [stderr]     Checking frame-system v2.0.0
[INFO] [stderr]     Checking pallet-randomness-collective-flip v2.0.0 (/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 crate or module `sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `sp_io`
[INFO] [stdout]    --> src/lib.rs:191:23
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn new_test_ext() -> sp_io::TestExternalities {
[INFO] [stdout]     |                          ^^^^^ use of undeclared crate 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" "d528dc1169450b55ae9c9e85385ad2470dd64e6daeb0cee4db29839e4b15e6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d528dc1169450b55ae9c9e85385ad2470dd64e6daeb0cee4db29839e4b15e6e1", kill_on_drop: false }`
[INFO] [stdout] d528dc1169450b55ae9c9e85385ad2470dd64e6daeb0cee4db29839e4b15e6e1