[INFO] fetching crate pallet-finality-tracker 2.0.0...
[INFO] checking pallet-finality-tracker-2.0.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate pallet-finality-tracker 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-finality-tracker 2.0.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-finality-tracker 2.0.0
[INFO] finished tweaking crates.io crate pallet-finality-tracker 2.0.0
[INFO] tweaked toml for crates.io crate pallet-finality-tracker 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] b53a0977fcb46fd2692cb96d4d0cff61c2947280f04b7ce04112a8ef78d1a070
[INFO] running `Command { std: "docker" "start" "-a" "b53a0977fcb46fd2692cb96d4d0cff61c2947280f04b7ce04112a8ef78d1a070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53a0977fcb46fd2692cb96d4d0cff61c2947280f04b7ce04112a8ef78d1a070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53a0977fcb46fd2692cb96d4d0cff61c2947280f04b7ce04112a8ef78d1a070", kill_on_drop: false }`
[INFO] [stdout] b53a0977fcb46fd2692cb96d4d0cff61c2947280f04b7ce04112a8ef78d1a070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 058b9086511e15c0e1fd9d33987491d3cea2f5c5e0be9d39ac615ccaf48d7a49
[INFO] running `Command { std: "docker" "start" "-a" "058b9086511e15c0e1fd9d33987491d3cea2f5c5e0be9d39ac615ccaf48d7a49", kill_on_drop: false }`
[INFO] [stderr]     Checking sp-finality-tracker v2.0.0
[INFO] [stderr]     Checking pallet-finality-tracker v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `sp_io`
[INFO] [stdout]    --> src/lib.rs:209:6
[INFO] [stdout]     |
[INFO] [stdout] 209 |     use sp_io::TestExternalities;
[INFO] [stdout]     |         ^^^^^ help: a similar path exists: `frame_support::sp_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sp_core`
[INFO] [stdout]    --> src/lib.rs:210:6
[INFO] [stdout]     |
[INFO] [stdout] 210 |     use sp_core::H256;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `sp_core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-finality-tracker`
[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 `Command { std: "docker" "inspect" "058b9086511e15c0e1fd9d33987491d3cea2f5c5e0be9d39ac615ccaf48d7a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058b9086511e15c0e1fd9d33987491d3cea2f5c5e0be9d39ac615ccaf48d7a49", kill_on_drop: false }`
[INFO] [stdout] 058b9086511e15c0e1fd9d33987491d3cea2f5c5e0be9d39ac615ccaf48d7a49