[INFO] cloning repository https://github.com/arashsm79/mohole
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arashsm79/mohole" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farashsm79%2Fmohole", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farashsm79%2Fmohole'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eb6ebbeb8e44deead76a092eaa784a6e18a19e7
[INFO] checking arashsm79/mohole 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%2Farashsm79%2Fmohole" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/arashsm79/mohole
[INFO] finished tweaking git repo https://github.com/arashsm79/mohole
[INFO] tweaked toml for git repo https://github.com/arashsm79/mohole written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/arashsm79/mohole 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/arashsm79/mohole 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8cab0eb311146b932396c2f5e6c81b6419a7ffbb5b1cf0fc8c2436b506c84f4b
[INFO] running `Command { std: "docker" "start" "-a" "8cab0eb311146b932396c2f5e6c81b6419a7ffbb5b1cf0fc8c2436b506c84f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cab0eb311146b932396c2f5e6c81b6419a7ffbb5b1cf0fc8c2436b506c84f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cab0eb311146b932396c2f5e6c81b6419a7ffbb5b1cf0fc8c2436b506c84f4b", kill_on_drop: false }`
[INFO] [stdout] 8cab0eb311146b932396c2f5e6c81b6419a7ffbb5b1cf0fc8c2436b506c84f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7e582c8a3432aab9f33f7d0209d3ad97145a20ee2c4c84435cea2b4029ab9d69
[INFO] running `Command { std: "docker" "start" "-a" "7e582c8a3432aab9f33f7d0209d3ad97145a20ee2c4c84435cea2b4029ab9d69", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pcap v0.9.1
[INFO] [stderr]     Checking mohole v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ethernet.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EtherType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Other(u16),
[INFO] [stdout] 10 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_mac` and `dest_mac` are never read
[INFO] [stdout]   --> src/ethernet.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct EthernetFrame {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 15 |     pub source_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub dest_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EthernetFrame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ipv4.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Other(u8),
[INFO] [stdout]    |     ----- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Other(u8),
[INFO] [stdout] 10 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/ipv4.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct IPv4Datagram {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 15 |     pub version: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 16 |     pub header_length: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     pub type_of_service: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub length: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub id: u16,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     pub flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 21 |     pub fragment_offset: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     pub ttl: u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 23 |     pub protocol: IPType,
[INFO] [stdout] 24 |     pub header_checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub source_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub dest_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPv4Datagram` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     MaximumSegmentSize(u16),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     MaximumSegmentSize(u16),
[INFO] [stdout] 34 +     MaximumSegmentSize(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     WindowScale(u8),
[INFO] [stdout]    |     ----------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     WindowScale(u8),
[INFO] [stdout] 35 +     WindowScale(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/tcp.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Timestamp(u32, u32),
[INFO] [stdout]    |     --------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 37 -     Timestamp(u32, u32),
[INFO] [stdout] 37 +     Timestamp((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Other(u8),
[INFO] [stdout]    |     ----- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     Other(u8),
[INFO] [stdout] 38 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct TcpSegment {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub sequence_no: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 47 |     pub ack_no: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 48 |     pub header_length: u8,
[INFO] [stdout] 49 |     pub reserved: u8,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 50 |     pub flag_urg: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 51 |     pub flag_ack: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 52 |     pub flag_psh: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 53 |     pub flag_rst: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 54 |     pub flag_syn: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 55 |     pub flag_fin: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 56 |     pub window: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 57 |     pub checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 58 |     pub urgent_pointer: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `checksum` are never read
[INFO] [stdout]  --> src/udp.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct UdpDatagram {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub length: u16,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub checksum: u16,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UdpDatagram` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/arp.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Other(u16),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HardwareType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Other(u16),
[INFO] [stdout] 8 +     Other(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/arp.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProtocolType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Other(u16),
[INFO] [stdout] 14 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/arp.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -     Other(u16),
[INFO] [stdout] 39 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ethernet.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EtherType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Other(u16),
[INFO] [stdout] 10 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `source_mac` and `dest_mac` are never read
[INFO] [stdout]   --> src/ethernet.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct EthernetFrame {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 15 |     pub source_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 16 |     pub dest_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EthernetFrame` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ipv4.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Other(u8),
[INFO] [stdout]    |     ----- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Other(u8),
[INFO] [stdout] 10 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/ipv4.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct IPv4Datagram {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 15 |     pub version: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 16 |     pub header_length: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     pub type_of_service: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 18 |     pub length: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub id: u16,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     pub flags: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 21 |     pub fragment_offset: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     pub ttl: u8,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 23 |     pub protocol: IPType,
[INFO] [stdout] 24 |     pub header_checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     pub source_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 26 |     pub dest_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPv4Datagram` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     MaximumSegmentSize(u16),
[INFO] [stdout]    |     ------------------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 34 -     MaximumSegmentSize(u16),
[INFO] [stdout] 34 +     MaximumSegmentSize(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |     WindowScale(u8),
[INFO] [stdout]    |     ----------- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 35 -     WindowScale(u8),
[INFO] [stdout] 35 +     WindowScale(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/tcp.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Timestamp(u32, u32),
[INFO] [stdout]    |     --------- ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 37 -     Timestamp(u32, u32),
[INFO] [stdout] 37 +     Timestamp((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tcp.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Other(u8),
[INFO] [stdout]    |     ----- ^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpOption` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     Other(u8),
[INFO] [stdout] 38 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct TcpSegment {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub sequence_no: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 47 |     pub ack_no: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 48 |     pub header_length: u8,
[INFO] [stdout] 49 |     pub reserved: u8,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 50 |     pub flag_urg: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 51 |     pub flag_ack: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 52 |     pub flag_psh: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 53 |     pub flag_rst: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 54 |     pub flag_syn: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 55 |     pub flag_fin: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 56 |     pub window: u16,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 57 |     pub checksum: u16,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 58 |     pub urgent_pointer: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpSegment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `checksum` are never read
[INFO] [stdout]  --> src/udp.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct UdpDatagram {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub length: u16,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 8 |     pub checksum: u16,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UdpDatagram` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/arp.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Other(u16),
[INFO] [stdout]   |     ----- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `HardwareType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Other(u16),
[INFO] [stdout] 8 +     Other(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/arp.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProtocolType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 14 -     Other(u16),
[INFO] [stdout] 14 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/arp.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 39 -     Other(u16),
[INFO] [stdout] 39 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/arp.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct ArpPacket {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 54 |     pub hw_type: HardwareType,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 55 |     pub protocol_type: ProtocolType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 56 |     pub hw_size: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 57 |     pub protocol_size: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub operation: Operation,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 59 |     pub src_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 60 |     pub src_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 61 |     pub dest_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 62 |     pub dest_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     DestinationUnreachable(Unreachable),
[INFO] [stdout]    |     ---------------------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 57 -     DestinationUnreachable(Unreachable),
[INFO] [stdout] 57 +     DestinationUnreachable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Redirect(Redirect),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 59 -     Redirect(Redirect),
[INFO] [stdout] 59 +     Redirect(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |     TimeExceeded(TimeExceeded),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     TimeExceeded(TimeExceeded),
[INFO] [stdout] 63 +     TimeExceeded(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ParameterProblem(ParameterProblem),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 -     ParameterProblem(ParameterProblem),
[INFO] [stdout] 64 +     ParameterProblem(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ExtendedEchoReply(ExtendedEchoReply),
[INFO] [stdout]    |     ----------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 68 -     ExtendedEchoReply(ExtendedEchoReply),
[INFO] [stdout] 68 +     ExtendedEchoReply(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 69 -     Other(u16),
[INFO] [stdout] 69 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `checksum` are never read
[INFO] [stdout]    --> src/icmp.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct IcmpPacket {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 148 |     pub code: IcmpCode,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 149 |     pub checksum: u16,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IcmpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/arp.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct ArpPacket {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 54 |     pub hw_type: HardwareType,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 55 |     pub protocol_type: ProtocolType,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 56 |     pub hw_size: u8,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 57 |     pub protocol_size: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub operation: Operation,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 59 |     pub src_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 60 |     pub src_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 61 |     pub dest_mac: MacAddress,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 62 |     pub dest_addr: Ipv4Addr,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ArpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 57 |     DestinationUnreachable(Unreachable),
[INFO] [stdout]    |     ---------------------- ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 57 -     DestinationUnreachable(Unreachable),
[INFO] [stdout] 57 +     DestinationUnreachable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Redirect(Redirect),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 59 -     Redirect(Redirect),
[INFO] [stdout] 59 +     Redirect(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:63:18
[INFO] [stdout]    |
[INFO] [stdout] 63 |     TimeExceeded(TimeExceeded),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     TimeExceeded(TimeExceeded),
[INFO] [stdout] 63 +     TimeExceeded(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mohole` (bin "mohole") due to 24 previous errors; 21 warnings emitted
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ParameterProblem(ParameterProblem),
[INFO] [stdout]    |     ---------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 -     ParameterProblem(ParameterProblem),
[INFO] [stdout] 64 +     ParameterProblem(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     ExtendedEchoReply(ExtendedEchoReply),
[INFO] [stdout]    |     ----------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 68 -     ExtendedEchoReply(ExtendedEchoReply),
[INFO] [stdout] 68 +     ExtendedEchoReply(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/icmp.rs:69:11
[INFO] [stdout]    |
[INFO] [stdout] 69 |     Other(u16),
[INFO] [stdout]    |     ----- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IcmpCode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 69 -     Other(u16),
[INFO] [stdout] 69 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code` and `checksum` are never read
[INFO] [stdout]    --> src/icmp.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct IcmpPacket {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 148 |     pub code: IcmpCode,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 149 |     pub checksum: u16,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IcmpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let version_header_length = <u8>::try_from(input[0])?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let version_header_length = <u8>::try_from(input[0])?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let type_of_service = <u8>::try_from(input[1])?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let type_of_service = <u8>::try_from(input[1])?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mohole` (bin "mohole" test) due to 24 previous errors; 21 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let ttl = <u8>::try_from(input[8])?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let ttl = <u8>::try_from(input[8])?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let protocol = IPType::from(<u8>::try_from(input[9])?);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let protocol = IPType::from(<u8>::try_from(input[9])?);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:126:43
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let option_type = TcpOptionType::from(<u8>::try_from(input[0])?);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:126:43
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let option_type = TcpOptionType::from(<u8>::try_from(input[0])?);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let shift_count = <u8>::try_from(input[1])?;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let shift_count = <u8>::try_from(input[1])?;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:149:27
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:149:27
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/arp.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let hw_size = <u8>::try_from(input[4])?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/arp.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let hw_size = <u8>::try_from(input[4])?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/arp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let protocol_size = <u8>::try_from(input[5])?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/arp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let protocol_size = <u8>::try_from(input[5])?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let version_header_length = <u8>::try_from(input[0])?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let version_header_length = <u8>::try_from(input[0])?;
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let type_of_service = <u8>::try_from(input[1])?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let type_of_service = <u8>::try_from(input[1])?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let ttl = <u8>::try_from(input[8])?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let ttl = <u8>::try_from(input[8])?;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/ipv4.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let protocol = IPType::from(<u8>::try_from(input[9])?);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/ipv4.rs:51:33
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let protocol = IPType::from(<u8>::try_from(input[9])?);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:126:43
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let option_type = TcpOptionType::from(<u8>::try_from(input[0])?);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:126:43
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let option_type = TcpOptionType::from(<u8>::try_from(input[0])?);
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:132:27
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:138:27
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let shift_count = <u8>::try_from(input[1])?;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let shift_count = <u8>::try_from(input[1])?;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:144:27
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]    --> src/tcp.rs:149:27
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/tcp.rs:149:27
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let _length = <u8>::try_from(input[0])?;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/arp.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let hw_size = <u8>::try_from(input[4])?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/arp.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let hw_size = <u8>::try_from(input[4])?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u8>
[INFO] [stdout]   --> src/arp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let protocol_size = <u8>::try_from(input[5])?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> src/arp.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let protocol_size = <u8>::try_from(input[5])?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7e582c8a3432aab9f33f7d0209d3ad97145a20ee2c4c84435cea2b4029ab9d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e582c8a3432aab9f33f7d0209d3ad97145a20ee2c4c84435cea2b4029ab9d69", kill_on_drop: false }`
[INFO] [stdout] 7e582c8a3432aab9f33f7d0209d3ad97145a20ee2c4c84435cea2b4029ab9d69
