[INFO] cloning repository https://github.com/cssivision/quic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cssivision/quic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcssivision%2Fquic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcssivision%2Fquic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 968dc8f1848fb06e5843350eaca02c51fac528e6
[INFO] checking cssivision/quic against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcssivision%2Fquic" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cssivision/quic on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cssivision/quic
[INFO] finished tweaking git repo https://github.com/cssivision/quic
[INFO] tweaked toml for git repo https://github.com/cssivision/quic written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cssivision/quic 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9a64569cb2116ab1ecf94e85ad10936d35f53594f978836fb1915a4b6b53561
[INFO] running `Command { std: "docker" "start" "-a" "d9a64569cb2116ab1ecf94e85ad10936d35f53594f978836fb1915a4b6b53561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9a64569cb2116ab1ecf94e85ad10936d35f53594f978836fb1915a4b6b53561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a64569cb2116ab1ecf94e85ad10936d35f53594f978836fb1915a4b6b53561", kill_on_drop: false }`
[INFO] [stdout] d9a64569cb2116ab1ecf94e85ad10936d35f53594f978836fb1915a4b6b53561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4ad76c27c5fdf496d47b4ce1653cd2769ee6d6ef4a046f86373e02a352a5e0
[INFO] running `Command { std: "docker" "start" "-a" "9e4ad76c27c5fdf496d47b4ce1653cd2769ee6d6ef4a046f86373e02a352a5e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking quic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/frame.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Buf, BufMut, Bytes};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Buf`
[INFO] [stdout]  --> src/frame.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Buf, BufMut, Bytes};
[INFO] [stdout]   |             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/frame.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HeaderKey` is never used
[INFO] [stdout]  --> src/crypto.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait HeaderKey: Send {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PacketKey` is never used
[INFO] [stdout]   --> src/crypto.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait PacketKey: Send {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CryptoError` is never constructed
[INFO] [stdout]   --> src/crypto.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CryptoError;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CryptoError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Frame` is never used
[INFO] [stdout]  --> src/frame.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Frame {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ack` is never constructed
[INFO] [stdout]   --> src/frame.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Ack {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/frame.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Ack {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn encode<W: BufMut>(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EcnCounts` is never constructed
[INFO] [stdout]   --> src/frame.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct EcnCounts {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EcnCounts` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/frame.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl EcnCounts {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 87 |     pub fn encode<W: BufMut>(&self, buf: &mut W) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/frame.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LONG_HEADER_RESERVED_BITS` is never used
[INFO] [stdout]   --> src/packet.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const LONG_HEADER_RESERVED_BITS: u8 = 0x0c;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_FIXED_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SHORT_HEADER_FIXED_BIT: u8 = 0x40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_SPIN_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SHORT_HEADER_SPIN_BIT: u8 = 0x20;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_KEY_PHASE_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SHORT_HEADER_KEY_PHASE_BIT: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_CONNECTION_ID_LENGTH` is never used
[INFO] [stdout]   --> src/packet.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const MAX_CONNECTION_ID_LENGTH: usize = 20;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionId` is never constructed
[INFO] [stdout]   --> src/packet.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct ConnectionId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionId` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_buf`, `decode`, and `encode` are never used
[INFO] [stdout]   --> src/packet.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl ConnectionId {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 55 |     pub fn new(data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub(crate) fn from_buf(buf: &mut impl Buf, len: usize) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub(crate) fn decode(buf: &mut impl Buf) -> Option<Self> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub(crate) fn encode(&self, buf: &mut impl BufMut) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketNumber` is never used
[INFO] [stdout]    --> src/packet.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub enum PacketNumber {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PacketNumber` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketDecodeError` is never used
[INFO] [stdout]    --> src/packet.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum PacketDecodeError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PacketDecodeError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `len`, `encode`, `decode`, and `full` are never used
[INFO] [stdout]    --> src/packet.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl PacketNumber {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 128 |     pub(crate) fn new(n: u64, largest_acked: u64) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub(crate) fn len(self) -> usize {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub(crate) fn encode<W: BufMut>(self, w: &mut W) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub(crate) fn decode<R: Buf>(len: usize, r: &mut R) -> Result<PacketNumber, PacketDecodeError> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub(crate) fn full(self, expected: u64) -> u64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Packet` is never constructed
[INFO] [stdout]    --> src/packet.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct Packet {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Header` is never used
[INFO] [stdout]    --> src/packet.rs:250:10
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub enum Header {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialEncode` is never constructed
[INFO] [stdout]    --> src/packet.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub(crate) struct PartialEncode {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> src/packet.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 295 | impl PartialEncode {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 296 |     pub(crate) fn encode(
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> src/packet.rs:330:19
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl Header {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 330 |     pub(crate) fn encode(&self, w: &mut Vec<u8>) -> PartialEncode {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/range_set/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ArrayRangeSet(TinyVec<[Range<u64>; ARRAY_RANGE_SET_INLINE_CAPACITY]>);
[INFO] [stdout]   |            ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `ArrayRangeSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `iter` and `len` are never used
[INFO] [stdout]   --> src/range_set/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ArrayRangeSet {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 11 |     pub fn iter(&self) -> impl DoubleEndedIterator<Item = Range<u64>> + '_ {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/varint.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn encode<B: BufMut>(x: u64, buf: &mut B) {
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]  --> src/varint.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn decode<B: Buf>(b: &mut B) -> Result<VarInt, VarIntUnexpectedEof> {
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HeaderKey` is never used
[INFO] [stdout]  --> src/crypto.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait HeaderKey: Send {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PacketKey` is never used
[INFO] [stdout]   --> src/crypto.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait PacketKey: Send {
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CryptoError` is never constructed
[INFO] [stdout]   --> src/crypto.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CryptoError;
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CryptoError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Frame` is never used
[INFO] [stdout]  --> src/frame.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Frame {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Frame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ack` is never constructed
[INFO] [stdout]   --> src/frame.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Ack {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `encode` is never used
[INFO] [stdout]   --> src/frame.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Ack {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 43 |     pub fn encode<W: BufMut>(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EcnCounts` is never constructed
[INFO] [stdout]   --> src/frame.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct EcnCounts {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EcnCounts` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/frame.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl EcnCounts {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 87 |     pub fn encode<W: BufMut>(&self, buf: &mut W) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LONG_HEADER_RESERVED_BITS` is never used
[INFO] [stdout]   --> src/packet.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const LONG_HEADER_RESERVED_BITS: u8 = 0x0c;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_FIXED_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SHORT_HEADER_FIXED_BIT: u8 = 0x40;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_SPIN_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const SHORT_HEADER_SPIN_BIT: u8 = 0x20;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SHORT_HEADER_KEY_PHASE_BIT` is never used
[INFO] [stdout]   --> src/packet.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const SHORT_HEADER_KEY_PHASE_BIT: u8 = 0x04;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_CONNECTION_ID_LENGTH` is never used
[INFO] [stdout]   --> src/packet.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const MAX_CONNECTION_ID_LENGTH: usize = 20;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConnectionId` is never constructed
[INFO] [stdout]   --> src/packet.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct ConnectionId {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionId` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `from_buf`, `decode`, and `encode` are never used
[INFO] [stdout]   --> src/packet.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl ConnectionId {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 55 |     pub fn new(data: &[u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub(crate) fn from_buf(buf: &mut impl Buf, len: usize) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub(crate) fn decode(buf: &mut impl Buf) -> Option<Self> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub(crate) fn encode(&self, buf: &mut impl BufMut) {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketNumber` is never used
[INFO] [stdout]    --> src/packet.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub enum PacketNumber {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PacketNumber` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketDecodeError` is never used
[INFO] [stdout]    --> src/packet.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum PacketDecodeError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PacketDecodeError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `len`, `encode`, `decode`, and `full` are never used
[INFO] [stdout]    --> src/packet.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl PacketNumber {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] 128 |     pub(crate) fn new(n: u64, largest_acked: u64) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub(crate) fn len(self) -> usize {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub(crate) fn encode<W: BufMut>(self, w: &mut W) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub(crate) fn decode<R: Buf>(len: usize, r: &mut R) -> Result<PacketNumber, PacketDecodeError> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 193 |     pub(crate) fn full(self, expected: u64) -> u64 {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Packet` is never constructed
[INFO] [stdout]    --> src/packet.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub struct Packet {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Header` is never used
[INFO] [stdout]    --> src/packet.rs:250:10
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub enum Header {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Header` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialEncode` is never constructed
[INFO] [stdout]    --> src/packet.rs:288:19
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub(crate) struct PartialEncode {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> src/packet.rs:296:19
[INFO] [stdout]     |
[INFO] [stdout] 295 | impl PartialEncode {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 296 |     pub(crate) fn encode(
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]    --> src/packet.rs:330:19
[INFO] [stdout]     |
[INFO] [stdout] 329 | impl Header {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 330 |     pub(crate) fn encode(&self, w: &mut Vec<u8>) -> PartialEncode {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/range_set/mod.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ArrayRangeSet(TinyVec<[Range<u64>; ARRAY_RANGE_SET_INLINE_CAPACITY]>);
[INFO] [stdout]   |            ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `ArrayRangeSet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `iter` and `len` are never used
[INFO] [stdout]   --> src/range_set/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ArrayRangeSet {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 11 |     pub fn iter(&self) -> impl DoubleEndedIterator<Item = Range<u64>> + '_ {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/varint.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) fn encode<B: BufMut>(x: u64, buf: &mut B) {
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]  --> src/varint.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn decode<B: Buf>(b: &mut B) -> Result<VarInt, VarIntUnexpectedEof> {
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "9e4ad76c27c5fdf496d47b4ce1653cd2769ee6d6ef4a046f86373e02a352a5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4ad76c27c5fdf496d47b4ce1653cd2769ee6d6ef4a046f86373e02a352a5e0", kill_on_drop: false }`
[INFO] [stdout] 9e4ad76c27c5fdf496d47b4ce1653cd2769ee6d6ef4a046f86373e02a352a5e0