[INFO] crate pallet-grandpa 2.0.0-alpha.3 is already in cache
[INFO] checking pallet-grandpa-2.0.0-alpha.3 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate pallet-grandpa 2.0.0-alpha.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pallet-grandpa 2.0.0-alpha.3 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pallet-grandpa 2.0.0-alpha.3
[INFO] finished tweaking crates.io crate pallet-grandpa 2.0.0-alpha.3
[INFO] tweaked toml for crates.io crate pallet-grandpa 2.0.0-alpha.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] 4e21c19e5937e29a00d50daa1c082c4463c24b224881ec312fd5e08108fa491d
[INFO] running `"docker" "start" "-a" "4e21c19e5937e29a00d50daa1c082c4463c24b224881ec312fd5e08108fa491d"`
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tiny-bip39 v0.7.1
[INFO] [stderr]     Checking sp-core v2.0.0-alpha.3
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking sp-trie v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-inherents v2.0.0-alpha.3
[INFO] [stderr]     Checking frame-metadata v11.0.0-alpha.3
[INFO] [stderr]     Checking sp-finality-tracker v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-state-machine v0.8.0-alpha.3
[INFO] [stderr]     Checking sp-io v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-application-crypto v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-runtime v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-version v2.0.0-alpha.3
[INFO] [stderr]     Checking frame-support v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-staking v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-api v2.0.0-alpha.3
[INFO] [stderr]     Checking frame-system v2.0.0-alpha.3
[INFO] [stderr]     Checking frame-benchmarking v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-timestamp v2.0.0-alpha.3
[INFO] [stderr]     Checking sp-finality-grandpa v2.0.0-alpha.3
[INFO] [stderr]     Checking pallet-timestamp v2.0.0-alpha.3
[INFO] [stderr]     Checking pallet-finality-tracker v2.0.0-alpha.3
[INFO] [stderr]     Checking pallet-session v2.0.0-alpha.3
[INFO] [stderr]     Checking pallet-grandpa v2.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `sp_io`
[INFO] [stderr]   --> src/mock.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use sp_io;
[INFO] [stderr]    |     ^^^^^ no `sp_io` external crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `pallet-grandpa`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4e21c19e5937e29a00d50daa1c082c4463c24b224881ec312fd5e08108fa491d"`
[INFO] running `"docker" "rm" "-f" "4e21c19e5937e29a00d50daa1c082c4463c24b224881ec312fd5e08108fa491d"`
[INFO] [stdout] 4e21c19e5937e29a00d50daa1c082c4463c24b224881ec312fd5e08108fa491d