[INFO] fetching crate pallet-babe 2.0.0-alpha.6...
[INFO] testing pallet-babe-2.0.0-alpha.6 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate pallet-babe 2.0.0-alpha.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pallet-babe 2.0.0-alpha.6 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-babe 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate pallet-babe 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate pallet-babe 2.0.0-alpha.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0c4d1572516312708a9e587be32d026a62d74d33a7c052e5553ac27ea4a9936
[INFO] running `"docker" "start" "-a" "e0c4d1572516312708a9e587be32d026a62d74d33a7c052e5553ac27ea4a9936"`
[INFO] [stderr]    Compiling frame-support-procedural-tools-derive v2.0.0-alpha.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling linregress v0.1.7
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-arithmetic v2.0.0-alpha.6
[INFO] [stderr]    Compiling memory-db v0.20.1
[INFO] [stderr]    Compiling sp-runtime-interface v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-support-procedural-tools v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-core v2.0.0-alpha.6
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling frame-support-procedural v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-trie v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-inherents v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-metadata v11.0.0-alpha.6
[INFO] [stderr]    Compiling sp-state-machine v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-io v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-application-crypto v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-runtime v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-version v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-support v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-staking v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus-vrf v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-api v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus v0.8.0-alpha.6
[INFO] [stderr]    Compiling sp-timestamp v2.0.0-alpha.6
[INFO] [stderr]    Compiling sp-consensus-babe v0.8.0-alpha.6
[INFO] [stderr]    Compiling frame-system v2.0.0-alpha.6
[INFO] [stderr]    Compiling frame-benchmarking v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-timestamp v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-session v2.0.0-alpha.6
[INFO] [stderr]    Compiling pallet-babe v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `"docker" "inspect" "e0c4d1572516312708a9e587be32d026a62d74d33a7c052e5553ac27ea4a9936"`
[INFO] running `"docker" "rm" "-f" "e0c4d1572516312708a9e587be32d026a62d74d33a7c052e5553ac27ea4a9936"`
[INFO] [stdout] e0c4d1572516312708a9e587be32d026a62d74d33a7c052e5553ac27ea4a9936
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5dfb45c27460fe28dd7fe97660d41dd87ffcdc5bd78a87ff87bc2b4869c3b991
[INFO] running `"docker" "start" "-a" "5dfb45c27460fe28dd7fe97660d41dd87ffcdc5bd78a87ff87bc2b4869c3b991"`
[INFO] [stderr]    Compiling pallet-babe v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sp_core`
[INFO] [stderr]   --> src/mock.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use sp_core::H256;
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed
[INFO] [stderr]   --> src/tests.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |             &Default::default(),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr]    = note: cannot satisfy `_: std::default::Default`
[INFO] [stderr]    = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed
[INFO] [stderr]    --> src/mock.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |     System::initialize(&n, &Default::default(), &Default::default(), &pre_digest, InitKind::Full);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `_: std::default::Default`
[INFO] [stderr]     = note: required by `std::default::Default::default`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0283, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `pallet-babe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5dfb45c27460fe28dd7fe97660d41dd87ffcdc5bd78a87ff87bc2b4869c3b991"`
[INFO] running `"docker" "rm" "-f" "5dfb45c27460fe28dd7fe97660d41dd87ffcdc5bd78a87ff87bc2b4869c3b991"`
[INFO] [stdout] 5dfb45c27460fe28dd7fe97660d41dd87ffcdc5bd78a87ff87bc2b4869c3b991