[INFO] fetching crate sc-network-gossip 0.8.0-rc5...
[INFO] testing sc-network-gossip-0.8.0-rc5 against 1.45.2 for beta-1.46-1
[INFO] extracting crate sc-network-gossip 0.8.0-rc5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sc-network-gossip 0.8.0-rc5 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-network-gossip 0.8.0-rc5
[INFO] finished tweaking crates.io crate sc-network-gossip 0.8.0-rc5
[INFO] tweaked toml for crates.io crate sc-network-gossip 0.8.0-rc5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 149e2b9a34bc8d7fcd72501627b52d65acc2c268cf0898daeb9a2db3e1420e58
[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" "149e2b9a34bc8d7fcd72501627b52d65acc2c268cf0898daeb9a2db3e1420e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "149e2b9a34bc8d7fcd72501627b52d65acc2c268cf0898daeb9a2db3e1420e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149e2b9a34bc8d7fcd72501627b52d65acc2c268cf0898daeb9a2db3e1420e58", kill_on_drop: false }`
[INFO] [stdout] 149e2b9a34bc8d7fcd72501627b52d65acc2c268cf0898daeb9a2db3e1420e58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d557537614471e7b43e168aa007b19614f75f8daac5b5a82880bc85d23fb7eb
[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" "8d557537614471e7b43e168aa007b19614f75f8daac5b5a82880bc85d23fb7eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
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[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling prost-types v0.6.1
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[INFO] [stderr]    Compiling futures_codec v0.4.1
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[INFO] [stderr]    Compiling unsigned-varint v0.4.0
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[INFO] [stderr]    Compiling parity-multiaddr v0.9.1
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[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0-rc5
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[INFO] [stderr]    Compiling primitive-types v0.7.2
[INFO] [stderr]    Compiling libp2p-core v0.20.1
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[INFO] [stderr]    Compiling memory-db v0.24.1
[INFO] [stderr]    Compiling kvdb v0.7.0
[INFO] [stderr]    Compiling sp-database v2.0.0-rc5
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[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling gloo-timers v0.2.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling sp-utils v2.0.0-rc5
[INFO] [stderr]    Compiling sp-trie v2.0.0-rc5
[INFO] [stderr]    Compiling sp-inherents v2.0.0-rc5
[INFO] [stderr]    Compiling sp-allocator v2.0.0-rc5
[INFO] [stderr]    Compiling sc-executor-common v0.8.0-rc5
[INFO] [stderr]    Compiling sp-state-machine v0.8.0-rc5
[INFO] [stderr]    Compiling sc-executor-wasmi v0.8.0-rc5
[INFO] [stderr]    Compiling libp2p-swarm v0.20.1
[INFO] [stderr]    Compiling libp2p-websocket v0.21.1
[INFO] [stderr]    Compiling libp2p-dns v0.20.0
[INFO] [stderr]    Compiling libp2p-wasm-ext v0.20.1
[INFO] [stderr]    Compiling libp2p-mplex v0.20.0
[INFO] [stderr]    Compiling libp2p-yamux v0.20.0
[INFO] [stderr]    Compiling libp2p-ping v0.20.0
[INFO] [stderr]    Compiling sp-io v2.0.0-rc5
[INFO] [stderr]    Compiling libp2p-mdns v0.20.0
[INFO] [stderr]    Compiling libp2p-tcp v0.20.0
[INFO] [stderr]    Compiling substrate-prometheus-endpoint v0.8.0-rc5
[INFO] [stderr]    Compiling libp2p v0.22.0
[INFO] [stderr]    Compiling sc-telemetry v2.0.0-rc5
[INFO] [stderr]    Compiling sc-peerset v2.0.0-rc5
[INFO] [stderr]    Compiling sp-application-crypto v2.0.0-rc5
[INFO] [stderr]    Compiling sp-runtime v2.0.0-rc5
[INFO] [stderr]    Compiling sp-version v2.0.0-rc5
[INFO] [stderr]    Compiling sp-keyring v2.0.0-rc5
[INFO] [stderr]    Compiling sp-api v2.0.0-rc5
[INFO] [stderr]    Compiling sp-consensus v0.8.0-rc5
[INFO] [stderr]    Compiling sp-block-builder v2.0.0-rc5
[INFO] [stderr]    Compiling sc-executor v0.8.0-rc5
[INFO] [stderr]    Compiling sp-blockchain v2.0.0-rc5
[INFO] [stderr]    Compiling sp-transaction-pool v2.0.0-rc5
[INFO] [stderr]    Compiling sc-client-api v2.0.0-rc5
[INFO] [stderr]    Compiling sc-block-builder v0.8.0-rc5
[INFO] [stderr]    Compiling sc-network-gossip v0.8.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 49s
[INFO] running `Command { std: "docker" "inspect" "8d557537614471e7b43e168aa007b19614f75f8daac5b5a82880bc85d23fb7eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d557537614471e7b43e168aa007b19614f75f8daac5b5a82880bc85d23fb7eb", kill_on_drop: false }`
[INFO] [stdout] 8d557537614471e7b43e168aa007b19614f75f8daac5b5a82880bc85d23fb7eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a7a5c79cf83fe9f6e984fa72523bf121bce46fbf7f681b8a6e09e29819a002
[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" "29a7a5c79cf83fe9f6e984fa72523bf121bce46fbf7f681b8a6e09e29819a002", kill_on_drop: false }`
[INFO] [stderr]    Compiling sc-network-gossip v0.8.0-rc5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `async_std`
[INFO] [stdout]    --> src/bridge.rs:295:6
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use async_std::task::spawn;
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared type or module `async_std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `quickcheck`
[INFO] [stdout]    --> src/bridge.rs:298:6
[INFO] [stdout]     |
[INFO] [stdout] 298 |     use quickcheck::{Arbitrary, Gen, QuickCheck};
[INFO] [stdout]     |         ^^^^^^^^^^ use of undeclared type or module `quickcheck`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `substrate_test_runtime_client`
[INFO] [stdout]    --> src/bridge.rs:304:6
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use substrate_test_runtime_client::runtime::Block;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `substrate_test_runtime_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]    --> src/bridge.rs:299:6
[INFO] [stdout]     |
[INFO] [stdout] 299 |     use rand::Rng;
[INFO] [stdout]     |         ^^^^ use of undeclared type or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:344:17
[INFO] [stdout]     |
[INFO] [stdout] 344 |     impl Validator<Block> for AllowAll {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 344 |     impl Validator<BlockT> for AllowAll {
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:347:40
[INFO] [stdout]     |
[INFO] [stdout] 347 |             _context: &mut dyn ValidatorContext<Block>,
[INFO] [stdout]     |                                                 ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 347 |             _context: &mut dyn ValidatorContext<BlockT>,
[INFO] [stdout]     |                                                 ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:362:42
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let mut gossip_engine = GossipEngine::<Block>::new(
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 362 |         let mut gossip_engine = GossipEngine::<BlockT>::new(
[INFO] [stdout]     |                                                ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:390:42
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let mut gossip_engine = GossipEngine::<Block>::new(
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let mut gossip_engine = GossipEngine::<BlockT>::new(
[INFO] [stdout]     |                                                ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]    --> src/bridge.rs:431:3
[INFO] [stdout]     |
[INFO] [stdout] 431 |         spawn(gossip_engine);
[INFO] [stdout]     |         ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use std::thread::spawn;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:489:18
[INFO] [stdout]     |
[INFO] [stdout] 489 |         impl Validator<Block> for TestValidator {
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 489 |         impl Validator<BlockT> for TestValidator {
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:492:41
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 _context: &mut dyn ValidatorContext<Block>,
[INFO] [stdout]     |                                                     ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 492 |                 _context: &mut dyn ValidatorContext<BlockT>,
[INFO] [stdout]     |                                                     ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]    --> src/bridge.rs:525:43
[INFO] [stdout]     |
[INFO] [stdout] 525 |             let mut gossip_engine = GossipEngine::<Block>::new(
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-runtime-2.0.0-rc5/src/traits.rs:546:1
[INFO] [stdout]     |
[INFO] [stdout] 546 | pub trait Block: Clone + Send + Sync + Codec + Eq + MaybeSerialize + Debug + MaybeMallocSizeOf + 'static {
[INFO] [stdout]     | -------------------------------------------------------------------------------------------------------- similarly named trait `BlockT` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 525 |             let mut gossip_engine = GossipEngine::<BlockT>::new(
[INFO] [stdout]     |                                                    ^^^^^^
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use crate::state_machine::tests::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::generic::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::testing::Block;
[INFO] [stdout]     |
[INFO] [stdout] 295 |     use sp_runtime::traits::Block;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sc-network-gossip`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "29a7a5c79cf83fe9f6e984fa72523bf121bce46fbf7f681b8a6e09e29819a002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a7a5c79cf83fe9f6e984fa72523bf121bce46fbf7f681b8a6e09e29819a002", kill_on_drop: false }`
[INFO] [stdout] 29a7a5c79cf83fe9f6e984fa72523bf121bce46fbf7f681b8a6e09e29819a002