[INFO] fetching crate libp2p-broadcast 0.12.0...
[INFO] checking libp2p-broadcast-0.12.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate libp2p-broadcast 0.12.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate libp2p-broadcast 0.12.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-broadcast 0.12.0
[INFO] finished tweaking crates.io crate libp2p-broadcast 0.12.0
[INFO] tweaked toml for crates.io crate libp2p-broadcast 0.12.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 161 packages
[INFO] [stderr]       Adding base16ct v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding bs58 v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (latest: v4.1.2)
[INFO] [stderr]       Adding der v0.6.1 (latest: v0.7.9)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding libp2p v0.50.1 (latest: v0.53.2)
[INFO] [stderr]       Adding libp2p-core v0.38.0 (latest: v0.41.2)
[INFO] [stderr]       Adding libp2p-swarm v0.41.1 (latest: v0.44.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding multiaddr v0.16.0 (latest: v0.18.1)
[INFO] [stderr]       Adding multihash v0.16.3 (latest: v0.19.1)
[INFO] [stderr]       Adding multihash-derive v0.8.1 (latest: v0.9.0)
[INFO] [stderr]       Adding multimap v0.8.3 (latest: v0.10.0)
[INFO] [stderr]       Adding multistream-select v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding pkcs8 v0.9.0 (latest: v0.10.2)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.17)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (latest: v3.1.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-build v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-types v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rw-stream-sink v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding sec1 v0.3.0 (latest: v0.7.3)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding spki v0.6.0 (latest: v0.7.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (latest: v0.8.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multistream-select v0.12.1
[INFO] [stderr]   Downloaded multiaddr v0.16.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.3.0
[INFO] [stderr]   Downloaded asn1_der v0.7.6
[INFO] [stderr]   Downloaded libp2p v0.50.1
[INFO] [stderr]   Downloaded libp2p-core v0.38.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.41.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee3f938b1c541e1ce2c48b0e43d80448a1c8fd9bfd366f7b91c80f814c5da45
[INFO] running `Command { std: "docker" "start" "-a" "7ee3f938b1c541e1ce2c48b0e43d80448a1c8fd9bfd366f7b91c80f814c5da45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee3f938b1c541e1ce2c48b0e43d80448a1c8fd9bfd366f7b91c80f814c5da45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee3f938b1c541e1ce2c48b0e43d80448a1c8fd9bfd366f7b91c80f814c5da45", kill_on_drop: false }`
[INFO] [stdout] 7ee3f938b1c541e1ce2c48b0e43d80448a1c8fd9bfd366f7b91c80f814c5da45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfc2c21f6b5fe95c0341c253eec9fb4404114c5652a98cd87b620b336e48a2dd
[INFO] running `Command { std: "docker" "start" "-a" "cfc2c21f6b5fe95c0341c253eec9fb4404114c5652a98cd87b620b336e48a2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking der v0.6.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking asn1_der v0.7.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking multistream-select v0.12.1
[INFO] [stderr]     Checking rw-stream-sink v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking multihash v0.16.3
[INFO] [stderr]     Checking multiaddr v0.16.0
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling libp2p-core v0.38.0
[INFO] [stderr]     Checking libp2p-swarm v0.41.1
[INFO] [stderr]     Checking libp2p v0.50.1
[INFO] [stderr]     Checking libp2p-broadcast v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |     use super::*;
[INFO] [stdout]     |         -------- the item `Arc` is already imported here
[INFO] [stdout] 222 |     use libp2p::swarm::AddressRecord;
[INFO] [stdout] 223 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "cfc2c21f6b5fe95c0341c253eec9fb4404114c5652a98cd87b620b336e48a2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc2c21f6b5fe95c0341c253eec9fb4404114c5652a98cd87b620b336e48a2dd", kill_on_drop: false }`
[INFO] [stdout] cfc2c21f6b5fe95c0341c253eec9fb4404114c5652a98cd87b620b336e48a2dd