[INFO] cloning repository https://github.com/dspeyrer/net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dspeyrer/net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdspeyrer%2Fnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdspeyrer%2Fnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41b235ed076e0c5228187f6894c57a9ef2b1d1a1
[INFO] checking dspeyrer/net against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdspeyrer%2Fnet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dspeyrer/net
[INFO] finished tweaking git repo https://github.com/dspeyrer/net
[INFO] tweaked toml for git repo https://github.com/dspeyrer/net written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dspeyrer/net on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dspeyrer/net already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2139bd0cf03b0972f826cc5123a315fc3f694da1952b0e367e0807acc7dd524b
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[INFO] [stdout] 2139bd0cf03b0972f826cc5123a315fc3f694da1952b0e367e0807acc7dd524b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73ad44ec8a04bbf453ccd101659f85a7b8054c594a44fd1d98008fdace0817f7
[INFO] running `Command { std: "docker" "start" "-a" "73ad44ec8a04bbf453ccd101659f85a7b8054c594a44fd1d98008fdace0817f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking arbitrary-int v1.2.7
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[INFO] [stderr]    Compiling serde v1.0.204
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[INFO] [stderr]    Compiling rustc_version v0.4.0
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[INFO] [stderr]     Checking universal-hash v0.5.1
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stdout] warning: the feature `new_zeroed_alloc` has been stable since 1.92.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> collections/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_zeroed_alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `new_zeroed_alloc` has been stable since 1.92.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> collections/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(new_zeroed_alloc)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Word` is never used
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Word = u64;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIRROR` is never used
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MIRROR: usize = core::mem::size_of::<Word>() - 1;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Control` is never constructed
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Control<const N: usize> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_full`, `is_empty`, `group`, `set`, and `set_wrap` are never used
[INFO] [stdout]   --> collections/src/map/inner/unaligned.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<const N: usize> Control<N> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 16 |     #[inline]
[INFO] [stdout] 17 |     unsafe fn is_full(&self, n: usize) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     unsafe fn is_empty(&self, n: usize) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     unsafe fn group(&self, n: usize) -> Word {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     unsafe fn set(&mut self, n: usize, b: u8) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     unsafe fn set_wrap(&mut self, n: usize, b: u8) {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Core` is never constructed
[INFO] [stdout]   --> collections/src/map/inner/unaligned.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Core<T, const N: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]  --> collections/src/sparse/index.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Index<T, const N: usize> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Slot` is never used
[INFO] [stdout]  --> collections/src/sparse/inner/bitmask.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | union Slot<A, B> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Core` is never constructed
[INFO] [stdout]  --> collections/src/sparse/inner/bitmask.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Core<A, B, const N: usize> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> collections/src/sparse/inner/bitmask.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<A, B, const N: usize> Core<A, B, N> {
[INFO] [stdout]    | ---------------------------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(f: impl Fn(usize) -> B) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub unsafe fn is_a(&self, idx: usize) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     unsafe fn get(&self, idx: usize) -> &Slot<A, B> {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     unsafe fn get_mut(&mut self, idx: usize) -> &mut Slot<A, B> {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub unsafe fn take_a(&mut self, idx: usize, b: B) -> A {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub unsafe fn get_a(&self, idx: usize) -> &A {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub unsafe fn get_a_mut(&mut self, idx: usize) -> &mut A {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub unsafe fn take_b(&mut self, idx: usize, a: A) -> B {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn get_b(&self, idx: usize) -> &B {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub unsafe fn get_b_mut(&mut self, idx: usize) -> &mut B {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_b` and `get_b_mut` are never used
[INFO] [stdout]   --> collections/src/sparse/inner/inline.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<A, B, const N: usize> Core<A, B, N> {
[INFO] [stdout]    | ---------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub unsafe fn get_b(&self, idx: usize) -> &B {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub unsafe fn get_b_mut(&mut self, idx: usize) -> &mut B {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `core` are never read
[INFO] [stdout]  --> collections/src/sparse/slab.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Slab<T, const N: usize> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     head: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     core: Core<T, usize, N>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Word` is never used
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Word = u64;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MIRROR` is never used
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const MIRROR: usize = core::mem::size_of::<Word>() - 1;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Control` is never constructed
[INFO] [stdout]  --> collections/src/map/inner/unaligned.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Control<const N: usize> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_full`, `is_empty`, `group`, `set`, and `set_wrap` are never used
[INFO] [stdout]   --> collections/src/map/inner/unaligned.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<const N: usize> Control<N> {
[INFO] [stdout]    | ------------------------------- methods in this implementation
[INFO] [stdout] 16 |     #[inline]
[INFO] [stdout] 17 |     unsafe fn is_full(&self, n: usize) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     unsafe fn is_empty(&self, n: usize) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     unsafe fn group(&self, n: usize) -> Word {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     unsafe fn set(&mut self, n: usize, b: u8) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     unsafe fn set_wrap(&mut self, n: usize, b: u8) {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Core` is never constructed
[INFO] [stdout]   --> collections/src/map/inner/unaligned.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Core<T, const N: usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `x` is never read
[INFO] [stdout]  --> collections/src/sparse/index.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Index<T, const N: usize> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 2 |     x: T,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Slot` is never used
[INFO] [stdout]  --> collections/src/sparse/inner/bitmask.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | union Slot<A, B> {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Core` is never constructed
[INFO] [stdout]  --> collections/src/sparse/inner/bitmask.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Core<A, B, const N: usize> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> collections/src/sparse/inner/bitmask.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<A, B, const N: usize> Core<A, B, N> {
[INFO] [stdout]    | ---------------------------------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(f: impl Fn(usize) -> B) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub unsafe fn is_a(&self, idx: usize) -> bool {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     unsafe fn get(&self, idx: usize) -> &Slot<A, B> {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     unsafe fn get_mut(&mut self, idx: usize) -> &mut Slot<A, B> {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub unsafe fn take_a(&mut self, idx: usize, b: B) -> A {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub unsafe fn get_a(&self, idx: usize) -> &A {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub unsafe fn get_a_mut(&mut self, idx: usize) -> &mut A {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub unsafe fn take_b(&mut self, idx: usize, a: A) -> B {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn get_b(&self, idx: usize) -> &B {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub unsafe fn get_b_mut(&mut self, idx: usize) -> &mut B {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_b` and `get_b_mut` are never used
[INFO] [stdout]   --> collections/src/sparse/inner/inline.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<A, B, const N: usize> Core<A, B, N> {
[INFO] [stdout]    | ---------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub unsafe fn get_b(&self, idx: usize) -> &B {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub unsafe fn get_b_mut(&mut self, idx: usize) -> &mut B {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `head` and `core` are never read
[INFO] [stdout]  --> collections/src/sparse/slab.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Slab<T, const N: usize> {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 4 |     head: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     core: Core<T, usize, N>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking wireguard v0.1.0 (/opt/rustwide/workdir/wireguard)
[INFO] [stderr]     Checking net v0.1.0 (/opt/rustwide/workdir/net)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> net/src/tcp/mod.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn gen_isn<A>(&self, c: &mut Core<A>) -> Seq {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OptKind` is never used
[INFO] [stdout]    --> net/src/tcp/mod.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum OptKind {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `una`, `nxt`, `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:137:2
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct SndSeq {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 136 |     /// unacknowledged
[INFO] [stdout] 137 |     una: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 138 |     /// next
[INFO] [stdout] 139 |     nxt: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 140 |     /// window
[INFO] [stdout] 141 |     wnd: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     /// urgent pointer
[INFO] [stdout] 143 |     up: Seq,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 144 |     /// segment sequence number used for last window update
[INFO] [stdout] 145 |     wl1: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 146 |     /// segment acknowledgment number used for last window update
[INFO] [stdout] 147 |     wl2: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nxt`, `wnd`, and `up` are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:162:2
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct RcvSeq {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 161 |     /// next
[INFO] [stdout] 162 |     nxt: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 163 |     /// window
[INFO] [stdout] 164 |     wnd: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 165 |     /// urgent pointer
[INFO] [stdout] 166 |     up: Seq,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> net/src/tcp/mod.rs:172:2
[INFO] [stdout]     |
[INFO] [stdout] 170 | enum State {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 171 |     /// Represents waiting for a connection request from any remote TCP peer and port.
[INFO] [stdout] 172 |     Listen,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 173 |     /// Represents waiting for a matching connection request after having sent a connection request.
[INFO] [stdout] 174 |     SynSent,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 175 |     /// Represents waiting for a confirming connection request acknowledgment after having both received and sent a connection request.
[INFO] [stdout] 176 |     SynReceived,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 177 |     /// Re...
[INFO] [stdout] 178 |     Established,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 179 |     /// Re...
[INFO] [stdout] 180 |     FinWait1,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 181 |     /// Represents waiting for a connection termination request from the remote TCP peer.
[INFO] [stdout] 182 |     FinWait2,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 183 |     /// Represents waiting for a connection termination request from the local user.
[INFO] [stdout] 184 |     CloseWait,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 185 |     /// Represents waiting for a connection termination request acknowledgment from the remote TCP peer.
[INFO] [stdout] 186 |     Closing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 187 |     /// Re...
[INFO] [stdout] 188 |     LastAck,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 189 |     /// Re...
[INFO] [stdout] 190 |     TimeWait,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:209:2
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct TCB {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 209 |     send: VecDeque<Slice>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 210 |     /// The retransmit queue.
[INFO] [stdout] 211 |     rexmit: (),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 212 |     /// The current segment.
[INFO] [stdout] 213 |     current: (),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     snd: SndSeq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 217 |     /// initial send sequence number
[INFO] [stdout] 218 |     iss: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     rcv: RcvSeq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 222 |     /// initial receive sequence number
[INFO] [stdout] 223 |     irs: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_acceptable_ack`, `is_acceptable_seg`, and `gen_isn` are never used
[INFO] [stdout]    --> net/src/tcp/mod.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl TCB {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] 227 |     /// A new acknowledgment (called an "acceptable ack") is one for which the inequality holds: SND.UNA < SEG.ACK =< SND.NXT
[INFO] [stdout] 228 |     fn is_acceptable_ack(&self, seg_ack: Seq) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     fn is_acceptable_seg(&self, seg_seq: Seq, seg_len: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn gen_isn<A>(&self, c: &mut Core<A>) -> Seq {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Rcode, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 3>, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Opcode, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:180:1
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:180:1
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ECN, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<DiffServ, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[bitsize(8)]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[bitsize(8)]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u16, 13>, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u16, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u32, 20>, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ToS, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `net` (lib) due to 18 previous errors; 7 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]   --> net/src/tcp/mod.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[bitsize(16)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]   --> net/src/tcp/mod.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[bitsize(16)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> net/src/tcp/mod.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |     fn gen_isn<A>(&self, c: &mut Core<A>) -> Seq {
[INFO] [stdout]     |                          ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OptKind` is never used
[INFO] [stdout]    --> net/src/tcp/mod.rs:115:6
[INFO] [stdout]     |
[INFO] [stdout] 115 | enum OptKind {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `una`, `nxt`, `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:137:2
[INFO] [stdout]     |
[INFO] [stdout] 135 | struct SndSeq {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 136 |     /// unacknowledged
[INFO] [stdout] 137 |     una: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 138 |     /// next
[INFO] [stdout] 139 |     nxt: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 140 |     /// window
[INFO] [stdout] 141 |     wnd: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     /// urgent pointer
[INFO] [stdout] 143 |     up: Seq,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 144 |     /// segment sequence number used for last window update
[INFO] [stdout] 145 |     wl1: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 146 |     /// segment acknowledgment number used for last window update
[INFO] [stdout] 147 |     wl2: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nxt`, `wnd`, and `up` are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:162:2
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct RcvSeq {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 161 |     /// next
[INFO] [stdout] 162 |     nxt: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 163 |     /// window
[INFO] [stdout] 164 |     wnd: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 165 |     /// urgent pointer
[INFO] [stdout] 166 |     up: Seq,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> net/src/tcp/mod.rs:172:2
[INFO] [stdout]     |
[INFO] [stdout] 170 | enum State {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 171 |     /// Represents waiting for a connection request from any remote TCP peer and port.
[INFO] [stdout] 172 |     Listen,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 173 |     /// Represents waiting for a matching connection request after having sent a connection request.
[INFO] [stdout] 174 |     SynSent,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 175 |     /// Represents waiting for a confirming connection request acknowledgment after having both received and sent a connection request.
[INFO] [stdout] 176 |     SynReceived,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 177 |     /// Re...
[INFO] [stdout] 178 |     Established,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 179 |     /// Re...
[INFO] [stdout] 180 |     FinWait1,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 181 |     /// Represents waiting for a connection termination request from the remote TCP peer.
[INFO] [stdout] 182 |     FinWait2,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 183 |     /// Represents waiting for a connection termination request from the local user.
[INFO] [stdout] 184 |     CloseWait,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 185 |     /// Represents waiting for a connection termination request acknowledgment from the remote TCP peer.
[INFO] [stdout] 186 |     Closing,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 187 |     /// Re...
[INFO] [stdout] 188 |     LastAck,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 189 |     /// Re...
[INFO] [stdout] 190 |     TimeWait,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `State` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> net/src/tcp/mod.rs:209:2
[INFO] [stdout]     |
[INFO] [stdout] 205 | struct TCB {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 209 |     send: VecDeque<Slice>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 210 |     /// The retransmit queue.
[INFO] [stdout] 211 |     rexmit: (),
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 212 |     /// The current segment.
[INFO] [stdout] 213 |     current: (),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     snd: SndSeq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 217 |     /// initial send sequence number
[INFO] [stdout] 218 |     iss: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     rcv: RcvSeq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 222 |     /// initial receive sequence number
[INFO] [stdout] 223 |     irs: Seq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_acceptable_ack`, `is_acceptable_seg`, and `gen_isn` are never used
[INFO] [stdout]    --> net/src/tcp/mod.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl TCB {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] 227 |     /// A new acknowledgment (called an "acceptable ack") is one for which the inequality holds: SND.UNA < SEG.ACK =< SND.NXT
[INFO] [stdout] 228 |     fn is_acceptable_ack(&self, seg_ack: Seq) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 233 |     fn is_acceptable_seg(&self, seg_seq: Seq, seg_len: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 246 |     fn gen_isn<A>(&self, c: &mut Core<A>) -> Seq {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Rcode, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 3>, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Opcode, Infallible>
[INFO] [stdout]    --> net/src/dns/mod.rs:257:1
[INFO] [stdout]     |
[INFO] [stdout] 257 | #[bitsize(16)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:180:1
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:180:1
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ECN, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<DiffServ, Infallible>
[INFO] [stdout]    --> net/src/ip/mod.rs:188:1
[INFO] [stdout]     |
[INFO] [stdout] 188 | #[bitsize(8)]
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[bitsize(8)]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[bitsize(8)]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u16, 13>, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u16, Infallible>
[INFO] [stdout]   --> net/src/ip/v4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u32, 20>, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<ToS, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<Version, Infallible>
[INFO] [stdout]   --> net/src/ip/v6.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[bitsize(32)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<bool, Infallible>
[INFO] [stdout]   --> net/src/tcp/mod.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[bitsize(16)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<UInt<u8, 4>, Infallible>
[INFO] [stdout]   --> net/src/tcp/mod.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[bitsize(16)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `::bilge::bitsize_internal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `net` (lib test) due to 18 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "73ad44ec8a04bbf453ccd101659f85a7b8054c594a44fd1d98008fdace0817f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ad44ec8a04bbf453ccd101659f85a7b8054c594a44fd1d98008fdace0817f7", kill_on_drop: false }`
[INFO] [stdout] 73ad44ec8a04bbf453ccd101659f85a7b8054c594a44fd1d98008fdace0817f7
