[INFO] fetching crate pallet-session 2.0.0-alpha.6...
[INFO] testing pallet-session-2.0.0-alpha.6 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate pallet-session 2.0.0-alpha.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pallet-session 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-session 2.0.0-alpha.6
[INFO] finished tweaking crates.io crate pallet-session 2.0.0-alpha.6
[INFO] tweaked toml for crates.io crate pallet-session 2.0.0-alpha.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e0ac75dbf6857863a665a94754cc7f3ac20908269820ac33e01313d287748976
[INFO] running `"docker" "start" "-a" "e0ac75dbf6857863a665a94754cc7f3ac20908269820ac33e01313d287748976"`
[INFO] [stderr]    Compiling pallet-session v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.42s
[INFO] running `"docker" "inspect" "e0ac75dbf6857863a665a94754cc7f3ac20908269820ac33e01313d287748976"`
[INFO] running `"docker" "rm" "-f" "e0ac75dbf6857863a665a94754cc7f3ac20908269820ac33e01313d287748976"`
[INFO] [stdout] e0ac75dbf6857863a665a94754cc7f3ac20908269820ac33e01313d287748976
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f23afb1c9a0c8ff787b440ce85e61d3f79bbe00550f63fca5d038eed9b66322b
[INFO] running `"docker" "start" "-a" "f23afb1c9a0c8ff787b440ce85e61d3f79bbe00550f63fca5d038eed9b66322b"`
[INFO] [stderr]    Compiling pallet-session v2.0.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stderr]   --> src/mock.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use sp_core::{crypto::key_types::DUMMY, H256};
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stderr]   --> src/tests.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use sp_core::crypto::key_types::DUMMY;
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stderr]    --> src/historical.rs:312:6
[INFO] [stderr]     |
[INFO] [stderr] 312 |     use sp_core::crypto::key_types::DUMMY;
[INFO] [stderr]     |         ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `sp_core`
[INFO] [stderr]   --> src/mock.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use sp_core::{crypto::key_types::DUMMY, H256};
[INFO] [stderr]    |     ^^^^^^^ use of undeclared type or module `sp_core`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `DUMMY` in this scope
[INFO] [stderr]   --> src/mock.rs:80:46
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 .map(|(_, id)| id.get::<UintAuthorityId>(DUMMY).unwrap_or_default())
[INFO] [stderr]    |                                                          ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 19 | use sp_runtime::key_types::DUMMY;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `DUMMY` in this scope
[INFO] [stderr]   --> src/tests.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let id = DUMMY;
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 19 | use sp_runtime::key_types::DUMMY;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `DUMMY` in this scope
[INFO] [stderr]    --> src/historical.rs:342:35
[INFO] [stderr]     |
[INFO] [stderr] 342 |             let proof = Historical::prove((DUMMY, &encoded_key_1[..])).unwrap();
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 311 |     use sp_runtime::key_types::DUMMY;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `DUMMY` in this scope
[INFO] [stderr]    --> src/historical.rs:345:37
[INFO] [stderr]     |
[INFO] [stderr] 345 |             assert!(Historical::check_proof((DUMMY, &encoded_key_1[..]), proof.clone()).is_some());
[INFO] [stderr]     |                                              ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 311 |     use sp_runtime::key_types::DUMMY;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find value `DUMMY` in this scope
[INFO] [stderr]    --> src/historical.rs:357:37
[INFO] [stderr]     |
[INFO] [stderr] 357 |             assert!(Historical::check_proof((DUMMY, &encoded_key_1[..]), proof.clone()).is_some());
[INFO] [stderr]     |                                              ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 311 |     use sp_runtime::key_types::DUMMY;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `pallet-session`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f23afb1c9a0c8ff787b440ce85e61d3f79bbe00550f63fca5d038eed9b66322b"`
[INFO] running `"docker" "rm" "-f" "f23afb1c9a0c8ff787b440ce85e61d3f79bbe00550f63fca5d038eed9b66322b"`
[INFO] [stdout] f23afb1c9a0c8ff787b440ce85e61d3f79bbe00550f63fca5d038eed9b66322b