[INFO] fetching crate pallet-randomness-collective-flip 3.0.0...
[INFO] checking pallet-randomness-collective-flip-3.0.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[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 b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded safe-mix v1.0.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f6251c77a4d48dd8ee0b2f14710ca657ae054667823a7f744140f532dd87017
[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" "4f6251c77a4d48dd8ee0b2f14710ca657ae054667823a7f744140f532dd87017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6251c77a4d48dd8ee0b2f14710ca657ae054667823a7f744140f532dd87017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6251c77a4d48dd8ee0b2f14710ca657ae054667823a7f744140f532dd87017", kill_on_drop: false }`
[INFO] [stdout] 4f6251c77a4d48dd8ee0b2f14710ca657ae054667823a7f744140f532dd87017
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] 66b99468c6b1d6b7138ee0819cfed81ec4f93bbf7045efa9870e65146a962790
[INFO] running `Command { std: "docker" "start" "-a" "66b99468c6b1d6b7138ee0819cfed81ec4f93bbf7045efa9870e65146a962790", kill_on_drop: false }`
[INFO] [stderr]     Checking safe-mix v1.0.1
[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 a derive macro (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`
[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" "66b99468c6b1d6b7138ee0819cfed81ec4f93bbf7045efa9870e65146a962790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b99468c6b1d6b7138ee0819cfed81ec4f93bbf7045efa9870e65146a962790", kill_on_drop: false }`
[INFO] [stdout] 66b99468c6b1d6b7138ee0819cfed81ec4f93bbf7045efa9870e65146a962790