[INFO] cloning repository https://github.com/iansseijelly/ltrace_decoder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iansseijelly/ltrace_decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansseijelly%2Fltrace_decoder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansseijelly%2Fltrace_decoder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc463936aa599f9987b7c579ba0ee25227ae0322
[INFO] checking iansseijelly/ltrace_decoder against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-27
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiansseijelly%2Fltrace_decoder" "/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/iansseijelly/ltrace_decoder
[INFO] finished tweaking git repo https://github.com/iansseijelly/ltrace_decoder
[INFO] tweaked toml for git repo https://github.com/iansseijelly/ltrace_decoder written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iansseijelly/ltrace_decoder on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iansseijelly/ltrace_decoder 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7
[INFO] running `Command { std: "docker" "start" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking tacit-decoder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rvdasm::insn::Insn`
[INFO] [stdout]  --> src/frontend/decoder_cache.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rvdasm::insn::Insn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rvdasm::insn::Insn`
[INFO] [stdout]  --> src/frontend/decoder_cache.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rvdasm::insn::Insn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/frontend/packet.rs:77:66
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<(u64)> {
[INFO] [stdout]    |                                                                  ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<(u64)> {
[INFO] [stdout] 77 +     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<u64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/frontend/packet.rs:77:66
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<(u64)> {
[INFO] [stdout]    |                                                                  ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<(u64)> {
[INFO] [stdout] 77 +     pub fn read_packet(&mut self, packet: &mut Packet) -> Result<u64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/backend/path_profile_receiver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/backend/stack_unwinder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/common/symbol_index.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, warn};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]   --> src/backend/path_profile_receiver.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::BTreeMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/backend/stack_unwinder.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `warn`
[INFO] [stdout]  --> src/common/symbol_index.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{debug, warn};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/frontend/decoder.rs:98:54
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn step_bb(pc: u64, insn_map: &FxHashMap<u64, Insn>, bus: &mut Bus<Entry>, br_mode: &BrMode, decoder_cache: &mut DecoderCache, insn_...
[INFO] [stdout]    |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/frontend/decoder.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     bus: &mut Bus<Entry>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used
[INFO] [stdout]    --> src/frontend/packet.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut bytes_read = 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_bytes_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     bytes_read += 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 261 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 261 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 268 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:268:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 271 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/backend/event.rs:211:53
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...   EventKind::Trap { reason, prv_arc, arc, ctx } => write!(f, "Trap: {:#x} -> {:#x} ({:?} {:?})", arc.0, arc.1, reason, prv_arc),
[INFO] [stdout]     |                                               ^^^ help: try ignoring the field: `ctx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]   --> src/frontend/decoder.rs:98:54
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn step_bb(pc: u64, insn_map: &FxHashMap<u64, Insn>, bus: &mut Bus<Entry>, br_mode: &BrMode, decoder_cache: &mut DecoderCache, insn_...
[INFO] [stdout]    |                                                      ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bus`
[INFO] [stdout]    --> src/frontend/decoder.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     bus: &mut Bus<Entry>,
[INFO] [stdout]     |     ^^^ help: if this is intentional, prefix it with an underscore: `_bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bytes_read` is assigned to, but never used
[INFO] [stdout]    --> src/frontend/packet.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut bytes_read = 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_bytes_read` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 |     bytes_read += 1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 261 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:261:5
[INFO] [stdout]     |
[INFO] [stdout] 261 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 268 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:268:5
[INFO] [stdout]     |
[INFO] [stdout] 268 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 271 |     bytes_read += count;
[INFO] [stdout]     |     ------------------- `bytes_read` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bytes_read` is never read
[INFO] [stdout]    --> src/frontend/packet.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     bytes_read += count;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/backend/event.rs:211:53
[INFO] [stdout]     |
[INFO] [stdout] 211 | ...   EventKind::Trap { reason, prv_arc, arc, ctx } => write!(f, "Trap: {:#x} -> {:#x} ({:?} {:?})", arc.0, arc.1, reason, prv_arc),
[INFO] [stdout]     |                                               ^^^ help: try ignoring the field: `ctx: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CtxMode` is never used
[INFO] [stdout]  --> src/frontend/ctx_mode.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum CtxMode {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains_key` is never used
[INFO] [stdout]   --> src/frontend/decoder_cache.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DecoderCache {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn contains_key(&self, pc: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FRes2` is never constructed
[INFO] [stdout]   --> src/frontend/f_header.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum FHeader {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     FRes2 = 0b111, // reserved for now
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/backend/abstract_receiver.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BusReceiver {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     pub name: String, // name of the type of receiver
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Instruction` is never constructed
[INFO] [stdout]  --> src/backend/event.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Entry {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 9 |     Instruction { insn: Insn, pc: u64 },
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SyncPeriodic` is never constructed
[INFO] [stdout]   --> src/backend/event.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum EventKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     SyncPeriodic,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `instruction` is never used
[INFO] [stdout]   --> src/backend/event.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Entry {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn instruction(insn: &Insn, pc: u64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CtxMode` is never used
[INFO] [stdout]  --> src/frontend/ctx_mode.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum CtxMode {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains_key` is never used
[INFO] [stdout]   --> src/frontend/decoder_cache.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DecoderCache {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn contains_key(&self, pc: u64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FRes2` is never constructed
[INFO] [stdout]   --> src/frontend/f_header.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub enum FHeader {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     FRes2 = 0b111, // reserved for now
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/backend/abstract_receiver.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BusReceiver {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     pub name: String, // name of the type of receiver
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Instruction` is never constructed
[INFO] [stdout]  --> src/backend/event.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub enum Entry {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] 9 |     Instruction { insn: Insn, pc: u64 },
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SyncPeriodic` is never constructed
[INFO] [stdout]   --> src/backend/event.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum EventKind {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     SyncPeriodic,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `instruction` is never used
[INFO] [stdout]   --> src/backend/event.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Entry {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn instruction(insn: &Insn, pc: u64) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7", kill_on_drop: false }`
[INFO] [stdout] 31f3889dc7ae5bfcebde42998ca7f5bd5c3858669f45a88676fdd1d1358b8db7
