[INFO] cloning repository https://github.com/ithinuel/spif-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ithinuel/spif-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fithinuel%2Fspif-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fithinuel%2Fspif-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28d609689d94c0da03d14f55a1977c5b276d82ad
[INFO] testing ithinuel/spif-parser against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fithinuel%2Fspif-parser" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ithinuel/spif-parser on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ithinuel/spif-parser
[INFO] finished tweaking git repo https://github.com/ithinuel/spif-parser
[INFO] tweaked toml for git repo https://github.com/ithinuel/spif-parser written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ithinuel/spif-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded vcd v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff53e8cb2faa0f5b127b135cfa0f592f9aabf57ea70664733ad998a1144d23b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff53e8cb2faa0f5b127b135cfa0f592f9aabf57ea70664733ad998a1144d23b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff53e8cb2faa0f5b127b135cfa0f592f9aabf57ea70664733ad998a1144d23b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff53e8cb2faa0f5b127b135cfa0f592f9aabf57ea70664733ad998a1144d23b7", kill_on_drop: false }`
[INFO] [stdout] ff53e8cb2faa0f5b127b135cfa0f592f9aabf57ea70664733ad998a1144d23b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7d13b1d01be4d2257782df6ccf402a68131e289e8f87c24c3ef68702bbaeef9
[INFO] running `Command { std: "docker" "start" "-a" "e7d13b1d01be4d2257782df6ccf402a68131e289e8f87c24c3ef68702bbaeef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vcd v0.4.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]    Compiling logic-trace-parser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SerialError`
[INFO] [stdout]  --> src/wizfi310.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::serial::{self, SerialError, SerialEvent};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/wizfi310.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout] 83 +     on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout] 84 +     on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 85 -     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout] 85 +     on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout] 92 +         on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout] 93 +         on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout] 94 +         on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout] 45 +     let input: Box<dyn Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/wizfi310.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     WizFi310Event::Command(s) => {}
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/wizfi310.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     WizFi310Event::Resp(s) => {}
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_error`
[INFO] [stdout]   --> src/serial.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn is_error(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Parity`
[INFO] [stdout]   --> src/serial.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Parity,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SerialError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/serial.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]   --> src/serial.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     prefix: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greeting`
[INFO] [stdout]  --> src/wizfi310.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Greeting(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `WizFi310Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/wizfi310.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `socket_id`
[INFO] [stdout]   --> src/wizfi310.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     socket_id: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ip`
[INFO] [stdout]   --> src/wizfi310.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/wizfi310.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     port: u16,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.36s
[INFO] running `Command { std: "docker" "inspect" "e7d13b1d01be4d2257782df6ccf402a68131e289e8f87c24c3ef68702bbaeef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d13b1d01be4d2257782df6ccf402a68131e289e8f87c24c3ef68702bbaeef9", kill_on_drop: false }`
[INFO] [stdout] e7d13b1d01be4d2257782df6ccf402a68131e289e8f87c24c3ef68702bbaeef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77679bc6928ecbd2534da24aec35f2556287f32b7c4010cffa7f432dcc5b63b9
[INFO] running `Command { std: "docker" "start" "-a" "77679bc6928ecbd2534da24aec35f2556287f32b7c4010cffa7f432dcc5b63b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling logic-trace-parser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SerialError`
[INFO] [stdout]  --> src/wizfi310.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::serial::{self, SerialError, SerialEvent};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Arg`
[INFO] [stdout]  --> src/wizfi310.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:83:23
[INFO] [stdout]    |
[INFO] [stdout] 83 |     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout] 83 +     on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:84:22
[INFO] [stdout]    |
[INFO] [stdout] 84 |     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout] 84 +     on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 85 -     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout] 85 +     on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:92:27
[INFO] [stdout]    |
[INFO] [stdout] 92 |         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 92 -         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stdout] 92 +         on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:93:26
[INFO] [stdout]    |
[INFO] [stdout] 93 |         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 -         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stdout] 93 +         on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/serial.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stdout] 94 +         on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout] 45 +     let input: Box<dyn Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/wizfi310.rs:121:44
[INFO] [stdout]     |
[INFO] [stdout] 121 |                     WizFi310Event::Command(s) => {}
[INFO] [stdout]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/wizfi310.rs:122:41
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     WizFi310Event::Resp(s) => {}
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_error`
[INFO] [stdout]   --> src/serial.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn is_error(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Parity`
[INFO] [stdout]   --> src/serial.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Parity,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SerialError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/serial.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]   --> src/serial.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     prefix: &'static str,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Greeting`
[INFO] [stdout]  --> src/wizfi310.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Greeting(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `WizFi310Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/wizfi310.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `socket_id`
[INFO] [stdout]   --> src/wizfi310.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     socket_id: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ip`
[INFO] [stdout]   --> src/wizfi310.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ip: Ipv4Addr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/wizfi310.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     port: u16,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/wizfi310.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.01s
[INFO] running `Command { std: "docker" "inspect" "77679bc6928ecbd2534da24aec35f2556287f32b7c4010cffa7f432dcc5b63b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77679bc6928ecbd2534da24aec35f2556287f32b7c4010cffa7f432dcc5b63b9", kill_on_drop: false }`
[INFO] [stdout] 77679bc6928ecbd2534da24aec35f2556287f32b7c4010cffa7f432dcc5b63b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3949c3183f3d6e06ce52fcd96aac14f5f407d308d65e517a5a1d74f491c633d2
[INFO] running `Command { std: "docker" "start" "-a" "3949c3183f3d6e06ce52fcd96aac14f5f407d308d65e517a5a1d74f491c633d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SerialError`
[INFO] [stderr]  --> src/wizfi310.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::serial::{self, SerialError, SerialEvent};
[INFO] [stderr]   |                           ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/wizfi310.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:83:23
[INFO] [stderr]    |
[INFO] [stderr] 83 |     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 83 -     on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stderr] 83 +     on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:84:22
[INFO] [stderr]    |
[INFO] [stderr] 84 |     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 84 -     on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stderr] 84 +     on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 85 -     on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stderr] 85 +     on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:92:27
[INFO] [stderr]    |
[INFO] [stderr] 92 |         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 92 -         on_data: &'static Fn(u8) -> SerialEvent,
[INFO] [stderr] 92 +         on_data: &'static dyn Fn(u8) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 93 -         on_err: &'static Fn(SerialError) -> SerialEvent,
[INFO] [stderr] 93 +         on_err: &'static dyn Fn(SerialError) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serial.rs:94:25
[INFO] [stderr]    |
[INFO] [stderr] 94 |         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 94 -         on_fc: &'static Fn(bool) -> SerialEvent,
[INFO] [stderr] 94 +         on_fc: &'static dyn Fn(bool) -> SerialEvent,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 45 -     let input: Box<Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stderr] 45 +     let input: Box<dyn Read> = if let Some(path) = matches.value_of("file") {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/wizfi310.rs:121:44
[INFO] [stderr]     |
[INFO] [stderr] 121 |                     WizFi310Event::Command(s) => {}
[INFO] [stderr]     |                                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/wizfi310.rs:122:41
[INFO] [stderr]     |
[INFO] [stderr] 122 |                     WizFi310Event::Resp(s) => {}
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_error`
[INFO] [stderr]   --> src/serial.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn is_error(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Parity`
[INFO] [stderr]   --> src/serial.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Parity,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `SerialError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/serial.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `prefix`
[INFO] [stderr]   --> src/serial.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     prefix: &'static str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Greeting`
[INFO] [stderr]  --> src/wizfi310.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Greeting(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `WizFi310Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/wizfi310.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `socket_id`
[INFO] [stderr]   --> src/wizfi310.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     socket_id: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/wizfi310.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ip`
[INFO] [stderr]   --> src/wizfi310.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ip: Ipv4Addr,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/wizfi310.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]   --> src/wizfi310.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     port: u16,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `RecvHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/wizfi310.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `logic-trace-parser` (bin "logic-trace-parser" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/logic_trace_parser-34a47354248924c0)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3949c3183f3d6e06ce52fcd96aac14f5f407d308d65e517a5a1d74f491c633d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3949c3183f3d6e06ce52fcd96aac14f5f407d308d65e517a5a1d74f491c633d2", kill_on_drop: false }`
[INFO] [stdout] 3949c3183f3d6e06ce52fcd96aac14f5f407d308d65e517a5a1d74f491c633d2