[INFO] fetching crate pallet-randomness-collective-flip 3.0.0...
[INFO] testing pallet-randomness-collective-flip-3.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate pallet-randomness-collective-flip 3.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pallet-randomness-collective-flip 3.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 115677b10ee3a9c8f557942eecd95f699609060dd762caa0be43c09cb729d9e3
[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" "115677b10ee3a9c8f557942eecd95f699609060dd762caa0be43c09cb729d9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115677b10ee3a9c8f557942eecd95f699609060dd762caa0be43c09cb729d9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115677b10ee3a9c8f557942eecd95f699609060dd762caa0be43c09cb729d9e3", kill_on_drop: false }`
[INFO] [stdout] 115677b10ee3a9c8f557942eecd95f699609060dd762caa0be43c09cb729d9e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ea24bd5575da81305e4cd50deedff5dab92e3807a3f1eae088df9c3b012be3
[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" "05ea24bd5575da81305e4cd50deedff5dab92e3807a3f1eae088df9c3b012be3", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-mix v1.0.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v3.1.0
[INFO] [stderr]    Compiling secrecy v0.7.0
[INFO] [stderr]    Compiling tiny-bip39 v0.8.0
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling impl-serde v0.3.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling schnorrkel v0.9.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling frame-support-procedural-tools v3.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling frame-support-procedural v3.0.0
[INFO] [stderr]    Compiling parity-scale-codec v2.2.0
[INFO] [stderr]    Compiling impl-codec v0.5.1
[INFO] [stderr]    Compiling sp-storage v3.0.0
[INFO] [stderr]    Compiling sp-tracing v3.0.0
[INFO] [stderr]    Compiling sp-wasm-interface v3.0.0
[INFO] [stderr]    Compiling sp-arithmetic v3.0.0
[INFO] [stderr]    Compiling primitive-types v0.9.1
[INFO] [stderr]    Compiling sp-externalities v0.9.0
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]    Compiling sp-runtime-interface v3.0.0
[INFO] [stderr]    Compiling memory-db v0.26.0
[INFO] [stderr]    Compiling sp-core v3.0.0
[INFO] [stderr]    Compiling sp-trie v3.0.0
[INFO] [stderr]    Compiling sp-keystore v0.9.0
[INFO] [stderr]    Compiling frame-metadata v13.0.0
[INFO] [stderr]    Compiling sp-inherents v3.0.0
[INFO] [stderr]    Compiling sp-state-machine v0.9.0
[INFO] [stderr]    Compiling sp-io v3.0.0
[INFO] [stderr]    Compiling sp-application-crypto v3.0.0
[INFO] [stderr]    Compiling sp-runtime v3.0.0
[INFO] [stderr]    Compiling sp-staking v3.0.0
[INFO] [stderr]    Compiling sp-version v3.0.0
[INFO] [stderr]    Compiling frame-support v3.0.0
[INFO] [stderr]    Compiling frame-system v3.0.0
[INFO] [stderr]    Compiling pallet-randomness-collective-flip v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "05ea24bd5575da81305e4cd50deedff5dab92e3807a3f1eae088df9c3b012be3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ea24bd5575da81305e4cd50deedff5dab92e3807a3f1eae088df9c3b012be3", kill_on_drop: false }`
[INFO] [stdout] 05ea24bd5575da81305e4cd50deedff5dab92e3807a3f1eae088df9c3b012be3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed70c2b6d9cf1cedc3a15d9dbb065921b1360172480320671fe190da4a4b7590
[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" "ed70c2b6d9cf1cedc3a15d9dbb065921b1360172480320671fe190da4a4b7590", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ed70c2b6d9cf1cedc3a15d9dbb065921b1360172480320671fe190da4a4b7590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed70c2b6d9cf1cedc3a15d9dbb065921b1360172480320671fe190da4a4b7590", kill_on_drop: false }`
[INFO] [stdout] ed70c2b6d9cf1cedc3a15d9dbb065921b1360172480320671fe190da4a4b7590