[INFO] fetching crate libp2p-nat 0.3.1...
[INFO] checking libp2p-nat-0.3.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate libp2p-nat 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate libp2p-nat 0.3.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-nat 0.3.1
[INFO] finished tweaking crates.io crate libp2p-nat 0.3.1
[INFO] tweaked toml for crates.io crate libp2p-nat 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate libp2p-nat 0.3.1 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" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89a1168267d8c4ec96518ce440a0256ba98d9bae534b5c3f5ddb3661345842d8
[INFO] running `Command { std: "docker" "start" "-a" "89a1168267d8c4ec96518ce440a0256ba98d9bae534b5c3f5ddb3661345842d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a1168267d8c4ec96518ce440a0256ba98d9bae534b5c3f5ddb3661345842d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a1168267d8c4ec96518ce440a0256ba98d9bae534b5c3f5ddb3661345842d8", kill_on_drop: false }`
[INFO] [stdout] 89a1168267d8c4ec96518ce440a0256ba98d9bae534b5c3f5ddb3661345842d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c353fae35607ae16d7642bbeb74f8a0ac55108534de936c3dd9c80d90585b7ea
[INFO] running `Command { std: "docker" "start" "-a" "c353fae35607ae16d7642bbeb74f8a0ac55108534de936c3dd9c80d90585b7ea", kill_on_drop: false }`
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[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-bigint v0.5.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha-1 v0.9.8
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[INFO] [stderr]     Checking ecdsa v0.16.7
[INFO] [stderr]     Checking p256 v0.13.2
[INFO] [stderr]     Checking x509-parser v0.15.0
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[INFO] [stderr]     Checking rw-stream-sink v0.4.0
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[INFO] [stderr]     Checking libp2p-pnet v0.23.0
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[INFO] [stderr]     Checking futures-ticker v0.0.3
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[INFO] [stderr]     Checking libp2p-tcp v0.40.0
[INFO] [stderr]     Checking libp2p-quic v0.8.0-alpha
[INFO] [stderr]     Checking libp2p-webtransport-websys v0.1.0
[INFO] [stderr]     Checking trust-dns-resolver v0.22.0
[INFO] [stderr]     Checking libp2p-request-response v0.25.0
[INFO] [stderr]     Checking libp2p-relay v0.16.0
[INFO] [stderr]     Checking libp2p-dcutr v0.10.0
[INFO] [stderr]     Checking libp2p-gossipsub v0.45.0
[INFO] [stderr]     Checking libp2p-identify v0.43.0
[INFO] [stderr]     Checking libp2p-kad v0.44.2
[INFO] [stderr]     Checking libp2p-ping v0.43.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.2.0
[INFO] [stderr]     Checking libp2p-mdns v0.44.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.2.0
[INFO] [stderr]     Checking libp2p-floodsub v0.43.0
[INFO] [stderr]     Checking libp2p-rendezvous v0.13.0
[INFO] [stderr]     Checking libp2p-autonat v0.11.0
[INFO] [stderr]     Checking async-std-resolver v0.22.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking libp2p-dns v0.40.0
[INFO] [stderr]     Checking libp2p-metrics v0.13.0
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libp2p-metrics-0.13.0/src/identify.rs:63:46
[INFO] [stdout]    |
[INFO] [stdout] 63 |   const ALLOWED_PROTOCOLS: &[StreamProtocol] = &[
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 64 | |     #[cfg(feature = "dcutr")]
[INFO] [stdout] 65 | |     libp2p_dcutr::PROTOCOL_NAME,
[INFO] [stdout] 66 | |     // #[cfg(feature = "gossipsub")]
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     libp2p_relay::HOP_PROTOCOL_NAME,
[INFO] [stdout] 79 | | ];
[INFO] [stdout]    | |_^ this borrow of an interior mutable value may end up in the final value
[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 E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-metrics` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c353fae35607ae16d7642bbeb74f8a0ac55108534de936c3dd9c80d90585b7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c353fae35607ae16d7642bbeb74f8a0ac55108534de936c3dd9c80d90585b7ea", kill_on_drop: false }`
[INFO] [stdout] c353fae35607ae16d7642bbeb74f8a0ac55108534de936c3dd9c80d90585b7ea
