[INFO] fetching crate pallet-babe 2.0.0-rc4...
[INFO] checking pallet-babe-2.0.0-rc4 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate pallet-babe 2.0.0-rc4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pallet-babe 2.0.0-rc4 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-babe 2.0.0-rc4
[INFO] finished tweaking crates.io crate pallet-babe 2.0.0-rc4
[INFO] tweaked toml for crates.io crate pallet-babe 2.0.0-rc4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "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] 2f96f3b2933865e3e390fa25bd2bf3cd123bfe016b0548cc5c54d7dc22ce8508
[INFO] running `Command { std: "docker" "start" "-a" "2f96f3b2933865e3e390fa25bd2bf3cd123bfe016b0548cc5c54d7dc22ce8508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f96f3b2933865e3e390fa25bd2bf3cd123bfe016b0548cc5c54d7dc22ce8508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f96f3b2933865e3e390fa25bd2bf3cd123bfe016b0548cc5c54d7dc22ce8508", kill_on_drop: false }`
[INFO] [stdout] 2f96f3b2933865e3e390fa25bd2bf3cd123bfe016b0548cc5c54d7dc22ce8508
[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" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03cb9b12243e4d6c703492cf68d9c8e747980df865b01ab066b4b70c2b5e900b
[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" "03cb9b12243e4d6c703492cf68d9c8e747980df865b01ab066b4b70c2b5e900b", kill_on_drop: false }`
[INFO] [stderr]     Checking trie-db v0.21.0
[INFO] [stderr]     Checking merlin v2.0.0
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-rc4
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-rc4
[INFO] [stderr]     Checking memory-db v0.21.0
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-rc4
[INFO] [stderr]     Checking substrate-bip39 v0.4.1
[INFO] [stderr]     Checking sp-core v2.0.0-rc4
[INFO] [stderr]     Checking sp-trie v2.0.0-rc4
[INFO] [stderr]     Checking sp-inherents v2.0.0-rc4
[INFO] [stderr]     Checking frame-metadata v11.0.0-rc4
[INFO] [stderr]     Checking sp-state-machine v0.8.0-rc4
[INFO] [stderr]     Checking sp-io v2.0.0-rc4
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-rc4
[INFO] [stderr]     Checking sp-runtime v2.0.0-rc4
[INFO] [stderr]     Checking sp-version v2.0.0-rc4
[INFO] [stderr]     Checking frame-support v2.0.0-rc4
[INFO] [stderr]     Checking sp-staking v2.0.0-rc4
[INFO] [stderr]     Checking sp-consensus-vrf v0.8.0-rc4
[INFO] [stderr]     Checking sp-api v2.0.0-rc4
[INFO] [stderr]     Checking sp-consensus v0.8.0-rc4
[INFO] [stderr]     Checking sp-timestamp v2.0.0-rc4
[INFO] [stderr]     Checking sp-session v2.0.0-rc4
[INFO] [stderr]     Checking sp-consensus-babe v0.8.0-rc4
[INFO] [stderr]     Checking frame-system v2.0.0-rc4
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-rc4
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-rc4
[INFO] [stderr]     Checking pallet-session v2.0.0-rc4
[INFO] [stderr]     Checking pallet-babe v2.0.0-rc4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stdout]   --> src/tests.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use sp_core::crypto::IsWrappedBy;
[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_core`
[INFO] [stdout]   --> src/mock.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use sp_core::{H256, U256, crypto::Pair};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]   --> src/mock.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use sp_core::{H256, U256, crypto::Pair};
[INFO] [stdout]    |     ^^^^^^^ help: a similar path exists: `sp_application_crypto::sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stdout]   --> src/tests.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let pair = sp_core::sr25519::Pair::from_ref(&pairs[0]).as_ref();
[INFO] [stdout]    |                                      ^^^^ not found in `sp_core::sr25519`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::mock::sp_io::Pair;
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::mock::sp_io::ecdsa::Pair;
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::mock::sp_io::ecdsa::de::value::private::Pair;
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::mock::sp_io::ed25519::Pair;
[INFO] [stdout]    |
[INFO] [stdout]      and 6 other candidates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_seed` found for struct `sp_consensus_babe::app::Pair` in the current scope
[INFO] [stdout]    --> src/mock.rs:118:18
[INFO] [stdout]     |
[INFO] [stdout] 118 |         AuthorityPair::from_seed(&U256::from(i).into())
[INFO] [stdout]     |                        ^^^^^^^^^ function or associated item not found in `sp_consensus_babe::app::Pair`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]             `use sp_application_crypto::Pair;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/mock.rs:130:26
[INFO] [stdout]     |
[INFO] [stdout] 130 |     System::initialize(&n, &Default::default(), &Default::default(), &pre_digest, InitKind::Full);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: std::default::Default`
[INFO] [stdout]     = note: required by `std::default::Default::default`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-babe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "03cb9b12243e4d6c703492cf68d9c8e747980df865b01ab066b4b70c2b5e900b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cb9b12243e4d6c703492cf68d9c8e747980df865b01ab066b4b70c2b5e900b", kill_on_drop: false }`
[INFO] [stdout] 03cb9b12243e4d6c703492cf68d9c8e747980df865b01ab066b4b70c2b5e900b