[INFO] fetching crate pallet-randomness-collective-flip 3.0.0...
[INFO] checking pallet-randomness-collective-flip-3.0.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate pallet-randomness-collective-flip 3.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pallet-randomness-collective-flip 3.0.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-randomness-collective-flip 3.0.0
[INFO] finished tweaking crates.io crate pallet-randomness-collective-flip 3.0.0
[INFO] tweaked toml for crates.io crate pallet-randomness-collective-flip 3.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] b15a3f675ba68a4781ede2771f610ca51194d3e147af638d21261a3df3eb5639
[INFO] running `Command { std: "docker" "start" "-a" "b15a3f675ba68a4781ede2771f610ca51194d3e147af638d21261a3df3eb5639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15a3f675ba68a4781ede2771f610ca51194d3e147af638d21261a3df3eb5639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15a3f675ba68a4781ede2771f610ca51194d3e147af638d21261a3df3eb5639", kill_on_drop: false }`
[INFO] [stdout] b15a3f675ba68a4781ede2771f610ca51194d3e147af638d21261a3df3eb5639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003a1e20ed694e27163a84ebeb3b8c994fcea60281a633ec3bcf0ee453ee5c3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "003a1e20ed694e27163a84ebeb3b8c994fcea60281a633ec3bcf0ee453ee5c3f", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking sp-wasm-interface v3.0.0
[INFO] [stderr]     Checking sp-arithmetic v3.0.0
[INFO] [stderr]     Checking primitive-types v0.9.1
[INFO] [stderr]     Checking sp-externalities v0.9.0
[INFO] [stderr]     Checking parity-util-mem v0.9.0
[INFO] [stderr]     Checking sp-tracing v3.0.0
[INFO] [stderr]     Checking sp-runtime-interface v3.0.0
[INFO] [stderr]     Checking memory-db v0.26.0
[INFO] [stderr]     Checking sp-core v3.0.0
[INFO] [stderr]     Checking sp-trie v3.0.0
[INFO] [stderr]     Checking sp-keystore v0.9.0
[INFO] [stderr]     Checking frame-metadata v13.0.0
[INFO] [stderr]     Checking sp-inherents v3.0.0
[INFO] [stderr]     Checking sp-state-machine v0.9.0
[INFO] [stderr]     Checking sp-io v3.0.0
[INFO] [stderr]     Checking sp-application-crypto v3.0.0
[INFO] [stderr]     Checking sp-runtime v3.0.0
[INFO] [stderr]     Checking sp-staking v3.0.0
[INFO] [stderr]     Checking sp-version v3.0.0
[INFO] [stderr]     Checking frame-support v3.0.0
[INFO] [stderr]     Checking frame-system v3.0.0
[INFO] [stderr]     Checking pallet-randomness-collective-flip v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `serde`
[INFO] [stdout]    --> src/lib.rs:148:2
[INFO] [stdout]     |
[INFO] [stdout] 148 | /     frame_support::construct_runtime!(
[INFO] [stdout] 149 | |         pub enum Test where
[INFO] [stdout] 150 | |             Block = Block,
[INFO] [stdout] 151 | |             NodeBlock = Block,
[INFO] [stdout] ...   |
[INFO] [stdout] 156 | |         }
[INFO] [stdout] 157 | |     );
[INFO] [stdout]     | |______^ can't find crate
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `$crate::serde::Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pallet-randomness-collective-flip` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "003a1e20ed694e27163a84ebeb3b8c994fcea60281a633ec3bcf0ee453ee5c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003a1e20ed694e27163a84ebeb3b8c994fcea60281a633ec3bcf0ee453ee5c3f", kill_on_drop: false }`
[INFO] [stdout] 003a1e20ed694e27163a84ebeb3b8c994fcea60281a633ec3bcf0ee453ee5c3f
