[INFO] cloning repository https://github.com/ElioenaiFerrari/elephant
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElioenaiFerrari/elephant" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElioenaiFerrari%2Felephant", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElioenaiFerrari%2Felephant'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4df901b65d6ba6b68d2d58ced2b01b38ed117e7
[INFO] checking ElioenaiFerrari/elephant against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElioenaiFerrari%2Felephant" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ElioenaiFerrari/elephant
[INFO] finished tweaking git repo https://github.com/ElioenaiFerrari/elephant
[INFO] tweaked toml for git repo https://github.com/ElioenaiFerrari/elephant written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ElioenaiFerrari/elephant on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ElioenaiFerrari/elephant already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3819b499634875c23db96ec75335fb153d46c085a502dba7d71cad0a831df65d
[INFO] running `Command { std: "docker" "start" "-a" "3819b499634875c23db96ec75335fb153d46c085a502dba7d71cad0a831df65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3819b499634875c23db96ec75335fb153d46c085a502dba7d71cad0a831df65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3819b499634875c23db96ec75335fb153d46c085a502dba7d71cad0a831df65d", kill_on_drop: false }`
[INFO] [stdout] 3819b499634875c23db96ec75335fb153d46c085a502dba7d71cad0a831df65d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f91090ad2896a0315b9e7cfb9a19c3bdd6593b083a5002bdfec35dd1524612a
[INFO] running `Command { std: "docker" "start" "-a" "1f91090ad2896a0315b9e7cfb9a19c3bdd6593b083a5002bdfec35dd1524612a", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling cc v1.1.7
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking pem v3.0.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling prometheus-client v0.22.3
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking rustls-webpki v0.102.6
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.34.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking netlink-packet-route v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking oid-registry v0.6.1
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]     Checking futures-rustls v0.24.0
[INFO] [stderr]     Checking x509-parser v0.15.1
[INFO] [stderr]     Checking futures-rustls v0.26.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures-bounded v0.2.4
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking yamux v0.12.1
[INFO] [stderr]     Checking yamux v0.13.3
[INFO] [stderr]     Checking futures-ticker v0.0.3
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking asynchronous-codec v0.6.2
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking soketto v0.8.0
[INFO] [stderr]     Checking quick-protobuf-codec v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking libp2p-identity v0.2.9
[INFO] [stderr]     Checking multiaddr v0.18.1
[INFO] [stderr]     Checking libp2p-core v0.41.3
[INFO] [stderr]     Checking libp2p-tls v0.3.0
[INFO] [stderr]     Checking libp2p-noise v0.44.0
[INFO] [stderr]     Checking libp2p-yamux v0.45.2
[INFO] [stderr]     Checking libp2p-websocket v0.43.2
[INFO] [stderr]     Checking libp2p-mplex v0.41.0
[INFO] [stderr]     Checking libp2p-swarm v0.44.2
[INFO] [stderr]     Checking netlink-sys v0.8.6
[INFO] [stderr]     Checking hickory-proto v0.24.1
[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking libp2p-tcp v0.41.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.3.1
[INFO] [stderr]     Checking libp2p-allow-block-list v0.3.0
[INFO] [stderr]     Checking libp2p-ping v0.44.1
[INFO] [stderr]     Checking libp2p-kad v0.45.3
[INFO] [stderr]     Checking libp2p-gossipsub v0.46.1
[INFO] [stderr]     Checking hickory-resolver v0.24.1
[INFO] [stderr]     Checking libp2p-dns v0.41.1
[INFO] [stderr]     Checking libp2p v0.53.2
[INFO] [stderr]     Checking elephant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `libp2p_kad::store::RecordStore`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libp2p_kad::store::RecordStore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, libp2p_kad::Behaviour<MemoryStore>>>>
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut swarm = SwarmBuilder::with_existing_identity(id.clone())
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 16 | |         .with_tokio()
[INFO] [stdout] 17 | |         .with_tcp(
[INFO] [stdout] 18 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         )?
[INFO] [stdout] 22 | |         .with_behaviour(|_| libp2p_kad::Behaviour::new(peer_id, store))?
[INFO] [stdout]    | |________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, libp2p_kad::Behaviour<MemoryStore>>>, Infallible>
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut swarm = SwarmBuilder::with_existing_identity(id.clone())
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 16 | |         .with_tokio()
[INFO] [stdout] 17 | |         .with_tcp(
[INFO] [stdout] 18 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         )?
[INFO] [stdout] 22 | |         .with_behaviour(|_| libp2p_kad::Behaviour::new(peer_id, store))?
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elephant` (bin "elephant" test) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `libp2p_kad::store::RecordStore`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libp2p_kad::store::RecordStore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, libp2p_kad::Behaviour<MemoryStore>>>>
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut swarm = SwarmBuilder::with_existing_identity(id.clone())
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 16 | |         .with_tokio()
[INFO] [stdout] 17 | |         .with_tcp(
[INFO] [stdout] 18 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         )?
[INFO] [stdout] 22 | |         .with_behaviour(|_| libp2p_kad::Behaviour::new(peer_id, store))?
[INFO] [stdout]    | |________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<SwarmBuilder<libp2p::builder::phase::provider::Tokio, libp2p::builder::phase::swarm::SwarmPhase<impl libp2p::builder::phase::AuthenticatedMultiplexedTransport, libp2p_kad::Behaviour<MemoryStore>>>, Infallible>
[INFO] [stdout]   --> src/main.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |       let mut swarm = SwarmBuilder::with_existing_identity(id.clone())
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 16 | |         .with_tokio()
[INFO] [stdout] 17 | |         .with_tcp(
[INFO] [stdout] 18 | |             libp2p::tcp::Config::default(),
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |         )?
[INFO] [stdout] 22 | |         .with_behaviour(|_| libp2p_kad::Behaviour::new(peer_id, store))?
[INFO] [stdout]    | |_______________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elephant` (bin "elephant") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1f91090ad2896a0315b9e7cfb9a19c3bdd6593b083a5002bdfec35dd1524612a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f91090ad2896a0315b9e7cfb9a19c3bdd6593b083a5002bdfec35dd1524612a", kill_on_drop: false }`
[INFO] [stdout] 1f91090ad2896a0315b9e7cfb9a19c3bdd6593b083a5002bdfec35dd1524612a
