[INFO] fetching crate tunneler-core 0.13.1...
[INFO] checking tunneler-core-0.13.1 against 1.95.0 for pr-155915
[INFO] extracting crate tunneler-core 0.13.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tunneler-core 0.13.1
[INFO] finished tweaking crates.io crate tunneler-core 0.13.1
[INFO] tweaked toml for crates.io crate tunneler-core 0.13.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tunneler-core 0.13.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tunneler-core 0.13.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v1.3.2
[INFO] [stderr]   Downloaded zeroize v1.5.3
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0bfaf257cbfc26a08230a2989cb68e97684f376b5cb10248beb68442afb078a
[INFO] running `Command { std: "docker" "start" "-a" "d0bfaf257cbfc26a08230a2989cb68e97684f376b5cb10248beb68442afb078a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0bfaf257cbfc26a08230a2989cb68e97684f376b5cb10248beb68442afb078a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bfaf257cbfc26a08230a2989cb68e97684f376b5cb10248beb68442afb078a", kill_on_drop: false }`
[INFO] [stdout] d0bfaf257cbfc26a08230a2989cb68e97684f376b5cb10248beb68442afb078a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3601024f5071b417663bc225cf5799c1a61fa271a27c7957f176507e0e14d027
[INFO] running `Command { std: "docker" "start" "-a" "3601024f5071b417663bc225cf5799c1a61fa271a27c7957f176507e0e14d027", kill_on_drop: false }`
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[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     IO(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     IO(std::io::Error),
[INFO] [stdout] 34 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Handshake(handshake::HandshakeError),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Handshake(handshake::HandshakeError),
[INFO] [stdout] 35 +     Handshake(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client/connections/rx.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ReceivingMessage(std::io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     ReceivingMessage(std::io::Error),
[INFO] [stdout] 17 +     ReceivingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/client/connections/tx.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Sending(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Sending(std::io::Error),
[INFO] [stdout] 8 +     Sending(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/tcpforwarder/client/tokio_rx.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReadingCon(std::io::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     ReadingCon(std::io::Error),
[INFO] [stdout] 11 +     ReadingCon(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/tcpforwarder/client/tokio_rx.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ParsingHeader([u8; 13]),
[INFO] [stdout]    |     ------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     ParsingHeader([u8; 13]),
[INFO] [stdout] 12 +     ParsingHeader(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/server/tcpforwarder/client/tokio_tx.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IO(std::io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     IO(std::io::Error),
[INFO] [stdout] 6 +     IO(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/general/connection_details.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DeserializeError(Box<dyn std::fmt::Debug>),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeDetailsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     DeserializeError(Box<dyn std::fmt::Debug>),
[INFO] [stdout] 11 +     DeserializeError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/handshake/error.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SendingKey(std::io::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     SendingKey(std::io::Error),
[INFO] [stdout] 8 +     SendingKey(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ReceivingKey(std::io::Error),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     ReceivingKey(std::io::Error),
[INFO] [stdout] 10 +     ReceivingKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SendingMessage(std::io::Error),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     SendingMessage(std::io::Error),
[INFO] [stdout] 12 +     SendingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ReceivingMessage(std::io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     ReceivingMessage(std::io::Error),
[INFO] [stdout] 14 +     ReceivingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GeneratingKey(rsa::errors::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     GeneratingKey(rsa::errors::Error),
[INFO] [stdout] 20 +     GeneratingKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ParseKey(rsa::errors::Error),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     ParseKey(rsa::errors::Error),
[INFO] [stdout] 22 +     ParseKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Encrypting(rsa::errors::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Encrypting(rsa::errors::Error),
[INFO] [stdout] 24 +     Encrypting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Decrypting(rsa::errors::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Decrypting(rsa::errors::Error),
[INFO] [stdout] 27 +     Decrypting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SendingAcknowledge(std::io::Error),
[INFO] [stdout]    |     ------------------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     SendingAcknowledge(std::io::Error),
[INFO] [stdout] 31 +     SendingAcknowledge(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current` and `other` are never read
[INFO] [stdout]   --> src/handshake/error.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     MismatchedProtocol {
[INFO] [stdout]    |     ------------------ fields in this variant
[INFO] [stdout] 37 |         current: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 38 |         other: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     IO(std::io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     IO(std::io::Error),
[INFO] [stdout] 34 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Handshake(handshake::HandshakeError),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     Handshake(handshake::HandshakeError),
[INFO] [stdout] 35 +     Handshake(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/client/connections/rx.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ReceivingMessage(std::io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     ReceivingMessage(std::io::Error),
[INFO] [stdout] 17 +     ReceivingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/client/connections/tx.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Sending(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Sending(std::io::Error),
[INFO] [stdout] 8 +     Sending(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/tcpforwarder/client/tokio_rx.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ReadingCon(std::io::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     ReadingCon(std::io::Error),
[INFO] [stdout] 11 +     ReadingCon(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/server/tcpforwarder/client/tokio_rx.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ParsingHeader([u8; 13]),
[INFO] [stdout]    |     ------------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReceiveError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     ParsingHeader([u8; 13]),
[INFO] [stdout] 12 +     ParsingHeader(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/server/tcpforwarder/client/tokio_tx.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     IO(std::io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     IO(std::io::Error),
[INFO] [stdout] 6 +     IO(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/general/connection_details.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DeserializeError(Box<dyn std::fmt::Debug>),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeDetailsError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 11 -     DeserializeError(Box<dyn std::fmt::Debug>),
[INFO] [stdout] 11 +     DeserializeError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/handshake/error.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SendingKey(std::io::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     SendingKey(std::io::Error),
[INFO] [stdout] 8 +     SendingKey(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     ReceivingKey(std::io::Error),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     ReceivingKey(std::io::Error),
[INFO] [stdout] 10 +     ReceivingKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     SendingMessage(std::io::Error),
[INFO] [stdout]    |     -------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 12 -     SendingMessage(std::io::Error),
[INFO] [stdout] 12 +     SendingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ReceivingMessage(std::io::Error),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     ReceivingMessage(std::io::Error),
[INFO] [stdout] 14 +     ReceivingMessage(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GeneratingKey(rsa::errors::Error),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     GeneratingKey(rsa::errors::Error),
[INFO] [stdout] 20 +     GeneratingKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     ParseKey(rsa::errors::Error),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     ParseKey(rsa::errors::Error),
[INFO] [stdout] 22 +     ParseKey(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Encrypting(rsa::errors::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     Encrypting(rsa::errors::Error),
[INFO] [stdout] 24 +     Encrypting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Decrypting(rsa::errors::Error),
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Decrypting(rsa::errors::Error),
[INFO] [stdout] 27 +     Decrypting(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/handshake/error.rs:31:24
[INFO] [stdout]    |
[INFO] [stdout] 31 |     SendingAcknowledge(std::io::Error),
[INFO] [stdout]    |     ------------------ ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 31 -     SendingAcknowledge(std::io::Error),
[INFO] [stdout] 31 +     SendingAcknowledge(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current` and `other` are never read
[INFO] [stdout]   --> src/handshake/error.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     MismatchedProtocol {
[INFO] [stdout]    |     ------------------ fields in this variant
[INFO] [stdout] 37 |         current: u16,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 38 |         other: u16,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandshakeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "3601024f5071b417663bc225cf5799c1a61fa271a27c7957f176507e0e14d027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3601024f5071b417663bc225cf5799c1a61fa271a27c7957f176507e0e14d027", kill_on_drop: false }`
[INFO] [stdout] 3601024f5071b417663bc225cf5799c1a61fa271a27c7957f176507e0e14d027
