[INFO] cloning repository https://github.com/martoko/kredit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martoko/kredit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartoko%2Fkredit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartoko%2Fkredit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc179846004db3370edf4b92af1f95e5cf878071
[INFO] checking martoko/kredit against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartoko%2Fkredit" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/martoko/kredit
[INFO] finished tweaking git repo https://github.com/martoko/kredit
[INFO] tweaked toml for git repo https://github.com/martoko/kredit written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martoko/kredit on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/martoko/kredit 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68b9ce4d2b3b9a9cec5a11059c54a20a143a418494fba3427ff6c6ff69d8ba53
[INFO] running `Command { std: "docker" "start" "-a" "68b9ce4d2b3b9a9cec5a11059c54a20a143a418494fba3427ff6c6ff69d8ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b9ce4d2b3b9a9cec5a11059c54a20a143a418494fba3427ff6c6ff69d8ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b9ce4d2b3b9a9cec5a11059c54a20a143a418494fba3427ff6c6ff69d8ba53", kill_on_drop: false }`
[INFO] [stdout] 68b9ce4d2b3b9a9cec5a11059c54a20a143a418494fba3427ff6c6ff69d8ba53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9add53a48faf4a27a87a7975552999af60addc33ada97b3458ddb35fa52f75
[INFO] running `Command { std: "docker" "start" "-a" "dc9add53a48faf4a27a87a7975552999af60addc33ada97b3458ddb35fa52f75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking kredit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `thread` and `sender` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 29 |     addr: SocketAddr,
[INFO] [stdout] 30 |     thread: JoinHandle<io::Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     sender: Sender<NetworkedMessage>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/blockchain.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     Io(io::Error),
[INFO] [stdout] 11 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/blockchain.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     DeserializeBlock(block::DeserializeError),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] 13 -     DeserializeBlock(block::DeserializeError),
[INFO] [stdout] 13 +     DeserializeBlock(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/terminal_input.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Crossterm(crossterm::ErrorKind),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PollError` 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] 29 -     Crossterm(crossterm::ErrorKind),
[INFO] [stdout] 29 +     Crossterm(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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 -     Io(io::Error),
[INFO] [stdout] 27 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     BlockDeserialize(block::DeserializeError),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 29 -     BlockDeserialize(block::DeserializeError),
[INFO] [stdout] 29 +     BlockDeserialize(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Ed25519Error(ed25519_dalek::ed25519::Error),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 30 -     Ed25519Error(ed25519_dalek::ed25519::Error),
[INFO] [stdout] 30 +     Ed25519Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     InvalidSocketAddrType(u8),
[INFO] [stdout]    |     --------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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 -     InvalidSocketAddrType(u8),
[INFO] [stdout] 31 +     InvalidSocketAddrType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     InvalidMessageType(u8),
[INFO] [stdout]    |     ------------------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 32 -     InvalidMessageType(u8),
[INFO] [stdout] 32 +     InvalidMessageType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/networking.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 21 |     addr: SocketAddr,
[INFO] [stdout] 22 |     thread: JoinHandle<io::Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thread` and `sender` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Connection {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 29 |     addr: SocketAddr,
[INFO] [stdout] 30 |     thread: JoinHandle<io::Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     sender: Sender<NetworkedMessage>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/blockchain.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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 -     Io(io::Error),
[INFO] [stdout] 11 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/blockchain.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     DeserializeBlock(block::DeserializeError),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` 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] 13 -     DeserializeBlock(block::DeserializeError),
[INFO] [stdout] 13 +     DeserializeBlock(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/terminal_input.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Crossterm(crossterm::ErrorKind),
[INFO] [stdout]    |     --------- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PollError` 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] 29 -     Crossterm(crossterm::ErrorKind),
[INFO] [stdout] 29 +     Crossterm(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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 -     Io(io::Error),
[INFO] [stdout] 27 +     Io(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.67s
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |     BlockDeserialize(block::DeserializeError),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 29 -     BlockDeserialize(block::DeserializeError),
[INFO] [stdout] 29 +     BlockDeserialize(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Ed25519Error(ed25519_dalek::ed25519::Error),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 30 -     Ed25519Error(ed25519_dalek::ed25519::Error),
[INFO] [stdout] 30 +     Ed25519Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     InvalidSocketAddrType(u8),
[INFO] [stdout]    |     --------------------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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 -     InvalidSocketAddrType(u8),
[INFO] [stdout] 31 +     InvalidSocketAddrType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/networked_message.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     InvalidMessageType(u8),
[INFO] [stdout]    |     ------------------ ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DeserializeError` 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] 32 -     InvalidMessageType(u8),
[INFO] [stdout] 32 +     InvalidMessageType(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `thread` is never read
[INFO] [stdout]   --> src/networking.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Connection {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 21 |     addr: SocketAddr,
[INFO] [stdout] 22 |     thread: JoinHandle<io::Result<()>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc9add53a48faf4a27a87a7975552999af60addc33ada97b3458ddb35fa52f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9add53a48faf4a27a87a7975552999af60addc33ada97b3458ddb35fa52f75", kill_on_drop: false }`
[INFO] [stdout] dc9add53a48faf4a27a87a7975552999af60addc33ada97b3458ddb35fa52f75
