[INFO] fetching crate pallet-session 2.0.0-alpha.8...
[INFO] checking pallet-session-2.0.0-alpha.8 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate pallet-session 2.0.0-alpha.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate pallet-session 2.0.0-alpha.8 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-session 2.0.0-alpha.8
[INFO] finished tweaking crates.io crate pallet-session 2.0.0-alpha.8
[INFO] tweaked toml for crates.io crate pallet-session 2.0.0-alpha.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4342ea9dfda24608f316ef9bd0a32cfe32da8f4525b116a2fa0909bf2d10743d
[INFO] running `"docker" "start" "-a" "4342ea9dfda24608f316ef9bd0a32cfe32da8f4525b116a2fa0909bf2d10743d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking sp-arithmetic v2.0.0-alpha.8
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-core v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-trie v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-inherents v2.0.0-alpha.8
[INFO] [stderr]     Checking frame-metadata v11.0.0-alpha.8
[INFO] [stderr]     Checking sp-state-machine v0.8.0-alpha.8
[INFO] [stderr]     Checking sp-io v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-runtime v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-version v2.0.0-alpha.8
[INFO] [stderr]     Checking frame-support v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-staking v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-api v2.0.0-alpha.8
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking sp-timestamp v2.0.0-alpha.8
[INFO] [stderr]     Checking sp-session v2.0.0-alpha.8
[INFO] [stderr]     Checking frame-system v2.0.0-alpha.8
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-alpha.8
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-alpha.8
[INFO] [stderr]     Checking pallet-session v2.0.0-alpha.8 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `sp_core`
[INFO] [stderr]   --> src/mock.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | 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:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | 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:316:6
[INFO] [stderr]     |
[INFO] [stderr] 316 |     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:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | 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:81:46
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 .map(|(_, id)| id.get::<UintAuthorityId>(DUMMY).unwrap_or_default())
[INFO] [stderr]    |                                                          ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this constant
[INFO] [stderr]    |
[INFO] [stderr] 20 | 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:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let id = DUMMY;
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: consider importing this constant
[INFO] [stderr]    |
[INFO] [stderr] 20 | 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:346:35
[INFO] [stderr]     |
[INFO] [stderr] 346 |             let proof = Historical::prove((DUMMY, &encoded_key_1[..])).unwrap();
[INFO] [stderr]     |                                            ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this constant
[INFO] [stderr]     |
[INFO] [stderr] 315 |     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:349:37
[INFO] [stderr]     |
[INFO] [stderr] 349 |             assert!(Historical::check_proof((DUMMY, &encoded_key_1[..]), proof.clone()).is_some());
[INFO] [stderr]     |                                              ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this constant
[INFO] [stderr]     |
[INFO] [stderr] 315 |     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:361:37
[INFO] [stderr]     |
[INFO] [stderr] 361 |             assert!(Historical::check_proof((DUMMY, &encoded_key_1[..]), proof.clone()).is_some());
[INFO] [stderr]     |                                              ^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: consider importing this constant
[INFO] [stderr]     |
[INFO] [stderr] 315 |     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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4342ea9dfda24608f316ef9bd0a32cfe32da8f4525b116a2fa0909bf2d10743d"`
[INFO] running `"docker" "rm" "-f" "4342ea9dfda24608f316ef9bd0a32cfe32da8f4525b116a2fa0909bf2d10743d"`
[INFO] [stdout] 4342ea9dfda24608f316ef9bd0a32cfe32da8f4525b116a2fa0909bf2d10743d