[INFO] cloning repository https://github.com/zerocode/fix_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zerocode/fix_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzerocode%2Ffix_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzerocode%2Ffix_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3de33a80fc6dad32c6399fb027ce6f5dc315d78d
[INFO] testing zerocode/fix_engine against beta-2024-12-08 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzerocode%2Ffix_engine" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zerocode/fix_engine on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zerocode/fix_engine
[INFO] finished tweaking git repo https://github.com/zerocode/fix_engine
[INFO] tweaked toml for git repo https://github.com/zerocode/fix_engine written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zerocode/fix_engine 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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f59525594b30c0369295fdbe6a4aca9a2db3c5ccfac06597132d716238f75dd
[INFO] running `Command { std: "docker" "start" "-a" "4f59525594b30c0369295fdbe6a4aca9a2db3c5ccfac06597132d716238f75dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f59525594b30c0369295fdbe6a4aca9a2db3c5ccfac06597132d716238f75dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f59525594b30c0369295fdbe6a4aca9a2db3c5ccfac06597132d716238f75dd", kill_on_drop: false }`
[INFO] [stdout] 4f59525594b30c0369295fdbe6a4aca9a2db3c5ccfac06597132d716238f75dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7577280adfae659d383c0f2e2830aa6f2cd5538df4359d3f01ef1b86c1a0e760
[INFO] running `Command { std: "docker" "start" "-a" "7577280adfae659d383c0f2e2830aa6f2cd5538df4359d3f01ef1b86c1a0e760", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling ctor v0.2.8
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling fix_engine_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/message_optimised.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/message_optimised.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CompID` is more private than the item `tag::FixTag::SenderCompID::0`
[INFO] [stdout]    --> src/tag.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |     SenderCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::SenderCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CompID` is more private than the item `tag::FixTag::TargetCompID::0`
[INFO] [stdout]    --> src/tag.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |     TargetCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::TargetCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PossDupFlag` is more private than the item `tag::FixTag::PossDupFlag::0`
[INFO] [stdout]    --> src/tag.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     PossDupFlag(PossDupFlag),
[INFO] [stdout]     |                 ^^^^^^^^^^^ field `tag::FixTag::PossDupFlag::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PossDupFlag` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/tag.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | enum PossDupFlag {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHECKSUM_TAG` is never used
[INFO] [stdout]  --> src/tag.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const CHECKSUM_TAG: &str = "10";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REQUIRED_HEADER_FIELDS` is never used
[INFO] [stdout]  --> src/tag.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const REQUIRED_HEADER_FIELDS: [&str; 7] = ["8", "9", "35", "49", "56", "34", "52"];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tag.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CompID {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(id: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yes` and `No` are never constructed
[INFO] [stdout]   --> src/tag.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum PossDupFlag {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 36 |     Yes,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PossDupFlag` 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 `from_str` is never used
[INFO] [stdout]   --> src/tag.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl PossDupFlag {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 41 |     fn from_str(value: &str) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FixMessage2` is never constructed
[INFO] [stdout]  --> src/message_optimised.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FixMessage2 {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/message_optimised.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FixMessage2 {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 12 |     pub(crate) fn encode(&mut self) -> String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_body_length` is never used
[INFO] [stdout]   --> src/message_optimised.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn calculate_body_length(message: &FixMessage2) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_checksum` is never used
[INFO] [stdout]   --> src/message_optimised.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_checksum(fix_str: String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_to_str_no_alloc` is never used
[INFO] [stdout]   --> src/message_optimised.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn int_to_str_no_alloc(n: usize, buffer: &mut [u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/message_optimised.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl FixMessage2 {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `Command { std: "docker" "inspect" "7577280adfae659d383c0f2e2830aa6f2cd5538df4359d3f01ef1b86c1a0e760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7577280adfae659d383c0f2e2830aa6f2cd5538df4359d3f01ef1b86c1a0e760", kill_on_drop: false }`
[INFO] [stdout] 7577280adfae659d383c0f2e2830aa6f2cd5538df4359d3f01ef1b86c1a0e760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0772655a04796c79114b91aece04e8dd46f1669b7deaa309aa345e6017e741ae
[INFO] running `Command { std: "docker" "start" "-a" "0772655a04796c79114b91aece04e8dd46f1669b7deaa309aa345e6017e741ae", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/message_optimised.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/message_optimised.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CompID` is more private than the item `tag::FixTag::SenderCompID::0`
[INFO] [stdout]    --> src/tag.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |     SenderCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::SenderCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `CompID` is more private than the item `tag::FixTag::TargetCompID::0`
[INFO] [stdout]    --> src/tag.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |     TargetCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::TargetCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `PossDupFlag` is more private than the item `tag::FixTag::PossDupFlag::0`
[INFO] [stdout]    --> src/tag.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     PossDupFlag(PossDupFlag),
[INFO] [stdout]     |                 ^^^^^^^^^^^ field `tag::FixTag::PossDupFlag::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `PossDupFlag` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/tag.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | enum PossDupFlag {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHECKSUM_TAG` is never used
[INFO] [stdout]  --> src/tag.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const CHECKSUM_TAG: &str = "10";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REQUIRED_HEADER_FIELDS` is never used
[INFO] [stdout]  --> src/tag.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const REQUIRED_HEADER_FIELDS: [&str; 7] = ["8", "9", "35", "49", "56", "34", "52"];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tag.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl CompID {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(id: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Yes` and `No` are never constructed
[INFO] [stdout]   --> src/tag.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum PossDupFlag {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 36 |     Yes,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PossDupFlag` 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 `from_str` is never used
[INFO] [stdout]   --> src/tag.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl PossDupFlag {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 41 |     fn from_str(value: &str) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FixMessage2` is never constructed
[INFO] [stdout]  --> src/message_optimised.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FixMessage2 {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `encode` is never used
[INFO] [stdout]   --> src/message_optimised.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FixMessage2 {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 12 |     pub(crate) fn encode(&mut self) -> String {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_body_length` is never used
[INFO] [stdout]   --> src/message_optimised.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn calculate_body_length(message: &FixMessage2) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_checksum` is never used
[INFO] [stdout]   --> src/message_optimised.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn calculate_checksum(fix_str: String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_to_str_no_alloc` is never used
[INFO] [stdout]   --> src/message_optimised.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn int_to_str_no_alloc(n: usize, buffer: &mut [u8]) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/message_optimised.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl FixMessage2 {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fix_engine_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stdout]   --> tests/integration_tests.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | #[ctor::ctor]
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `used_linker` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `ctor::ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::clock::Clock`
[INFO] [stdout]  --> src/message_optimised.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::clock::Clock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/message_optimised.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tag::CompID` is more private than the item `tag::FixTag::SenderCompID::0`
[INFO] [stdout]    --> src/tag.rs:168:18
[INFO] [stdout]     |
[INFO] [stdout] 168 |     SenderCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::SenderCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `tag::CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tag::CompID` is more private than the item `tag::FixTag::TargetCompID::0`
[INFO] [stdout]    --> src/tag.rs:169:18
[INFO] [stdout]     |
[INFO] [stdout] 169 |     TargetCompID(CompID),
[INFO] [stdout]     |                  ^^^^^^ field `tag::FixTag::TargetCompID::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `tag::CompID` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/tag.rs:12:1
[INFO] [stdout]     |
[INFO] [stdout] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `tag::PossDupFlag` is more private than the item `tag::FixTag::PossDupFlag::0`
[INFO] [stdout]    --> src/tag.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     PossDupFlag(PossDupFlag),
[INFO] [stdout]     |                 ^^^^^^^^^^^ field `tag::FixTag::PossDupFlag::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `tag::PossDupFlag` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/tag.rs:35:1
[INFO] [stdout]     |
[INFO] [stdout] 35  | enum PossDupFlag {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHECKSUM_TAG` is never used
[INFO] [stdout]  --> src/tag.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const CHECKSUM_TAG: &str = "10";
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REQUIRED_HEADER_FIELDS` is never used
[INFO] [stdout]  --> src/tag.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const REQUIRED_HEADER_FIELDS: [&str; 7] = ["8", "9", "35", "49", "56", "34", "52"];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `No` is never constructed
[INFO] [stdout]   --> src/tag.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum PossDupFlag {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] 36 |     Yes,
[INFO] [stdout] 37 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PossDupFlag` 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 `from_str` is never used
[INFO] [stdout]   --> src/tag.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl PossDupFlag {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 41 |     fn from_str(value: &str) -> Result<Self, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/engine_factory.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "0772655a04796c79114b91aece04e8dd46f1669b7deaa309aa345e6017e741ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0772655a04796c79114b91aece04e8dd46f1669b7deaa309aa345e6017e741ae", kill_on_drop: false }`
[INFO] [stdout] 0772655a04796c79114b91aece04e8dd46f1669b7deaa309aa345e6017e741ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a9f9b6d42b90c11f021504d8af0e770a08eece51fe81d7c5cbccda88e38eaea
[INFO] running `Command { std: "docker" "start" "-a" "4a9f9b6d42b90c11f021504d8af0e770a08eece51fe81d7c5cbccda88e38eaea", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::clock::Clock`
[INFO] [stderr]  --> src/message_optimised.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::clock::Clock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/message_optimised.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `CompID` is more private than the item `tag::FixTag::SenderCompID::0`
[INFO] [stderr]    --> src/tag.rs:168:18
[INFO] [stderr]     |
[INFO] [stderr] 168 |     SenderCompID(CompID),
[INFO] [stderr]     |                  ^^^^^^ field `tag::FixTag::SenderCompID::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/tag.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `CompID` is more private than the item `tag::FixTag::TargetCompID::0`
[INFO] [stderr]    --> src/tag.rs:169:18
[INFO] [stderr]     |
[INFO] [stderr] 169 |     TargetCompID(CompID),
[INFO] [stderr]     |                  ^^^^^^ field `tag::FixTag::TargetCompID::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `CompID` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/tag.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `PossDupFlag` is more private than the item `tag::FixTag::PossDupFlag::0`
[INFO] [stderr]    --> src/tag.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     PossDupFlag(PossDupFlag),
[INFO] [stderr]     |                 ^^^^^^^^^^^ field `tag::FixTag::PossDupFlag::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `PossDupFlag` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/tag.rs:35:1
[INFO] [stderr]     |
[INFO] [stderr] 35  | enum PossDupFlag {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CHECKSUM_TAG` is never used
[INFO] [stderr]  --> src/tag.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | const CHECKSUM_TAG: &str = "10";
[INFO] [stderr]   |       ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `REQUIRED_HEADER_FIELDS` is never used
[INFO] [stderr]  --> src/tag.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const REQUIRED_HEADER_FIELDS: [&str; 7] = ["8", "9", "35", "49", "56", "34", "52"];
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/tag.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl CompID {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 15 |     fn new(id: String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Yes` and `No` are never constructed
[INFO] [stderr]   --> src/tag.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | enum PossDupFlag {
[INFO] [stderr]    |      ----------- variants in this enum
[INFO] [stderr] 36 |     Yes,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 37 |     No,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PossDupFlag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `from_str` is never used
[INFO] [stderr]   --> src/tag.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | impl PossDupFlag {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 41 |     fn from_str(value: &str) -> Result<Self, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FixMessage2` is never constructed
[INFO] [stderr]  --> src/message_optimised.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FixMessage2 {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `encode` is never used
[INFO] [stderr]   --> src/message_optimised.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl FixMessage2 {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] 12 |     pub(crate) fn encode(&mut self) -> String {
[INFO] [stderr]    |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_body_length` is never used
[INFO] [stderr]   --> src/message_optimised.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn calculate_body_length(message: &FixMessage2) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_checksum` is never used
[INFO] [stderr]   --> src/message_optimised.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn calculate_checksum(fix_str: String) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `int_to_str_no_alloc` is never used
[INFO] [stderr]   --> src/message_optimised.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn int_to_str_no_alloc(n: usize, buffer: &mut [u8]) -> &str {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/message_optimised.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | impl FixMessage2 {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 76 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/engine_factory.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/engine_factory.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let _ = engine.start(stream, outgoing_receiver, incoming_sender);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: type `tag::CompID` is more private than the item `tag::FixTag::SenderCompID::0`
[INFO] [stderr]    --> src/tag.rs:168:18
[INFO] [stderr]     |
[INFO] [stderr] 168 |     SenderCompID(CompID),
[INFO] [stderr]     |                  ^^^^^^ field `tag::FixTag::SenderCompID::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `tag::CompID` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/tag.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `tag::CompID` is more private than the item `tag::FixTag::TargetCompID::0`
[INFO] [stderr]    --> src/tag.rs:169:18
[INFO] [stderr]     |
[INFO] [stderr] 169 |     TargetCompID(CompID),
[INFO] [stderr]     |                  ^^^^^^ field `tag::FixTag::TargetCompID::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `tag::CompID` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/tag.rs:12:1
[INFO] [stderr]     |
[INFO] [stderr] 12  | pub(crate) struct CompID(pub String); // Use &'static str instead of String.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `tag::PossDupFlag` is more private than the item `tag::FixTag::PossDupFlag::0`
[INFO] [stderr]    --> src/tag.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     PossDupFlag(PossDupFlag),
[INFO] [stderr]     |                 ^^^^^^^^^^^ field `tag::FixTag::PossDupFlag::0` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `tag::PossDupFlag` is only usable at visibility `pub(self)`
[INFO] [stderr]    --> src/tag.rs:35:1
[INFO] [stderr]     |
[INFO] [stderr] 35  | enum PossDupFlag {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `No` is never constructed
[INFO] [stderr]   --> src/tag.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | enum PossDupFlag {
[INFO] [stderr]    |      ----------- variant in this enum
[INFO] [stderr] 36 |     Yes,
[INFO] [stderr] 37 |     No,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PossDupFlag` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `fix_engine_2` (lib) generated 18 warnings (run `cargo fix --lib -p fix_engine_2` to apply 2 suggestions)
[INFO] [stderr] warning: `fix_engine_2` (lib test) generated 11 warnings (7 duplicates)
[INFO] [stderr] warning: unexpected `cfg` condition value: `used_linker`
[INFO] [stderr]   --> tests/integration_tests.rs:66:1
[INFO] [stderr]    |
[INFO] [stderr] 66 | #[ctor::ctor]
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `used_linker` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr]    = note: this warning originates in the attribute macro `ctor::ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `fix_engine_2` (test "integration_tests") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fix_engine_2-4ead110111b9a502)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test message::tests::test_fix_message_encode_with_correct_body_length ... ok
[INFO] [stdout] test message::tests::test_checksum_is_calculated_correctly ... ok
[INFO] [stdout] test message::tests::test_fix_message_encode_decode ... ok
[INFO] [stdout] test message::tests::test_fix_message_encode_correct_order ... ok
[INFO] [stdout] test message_optimised::tests::test_calculate_body_length_correctly ... ok
[INFO] [stdout] test message::tests::test_message_without_soh_fails ... ok
[INFO] [stdout] test message_optimised::tests::test_encode_decode_a_fix_message ... ok
[INFO] [stdout] test tag::tests::test_fix_tags ... ok
[INFO] [stdout] test message::tests::test_invalid_checksum_throws_err ... ok
[INFO] [stdout] test message_optimised::tests::test_calculate_checksum_correctly ... ok
[INFO] [stderr]      Running tests/fixed_clock.rs (/opt/rustwide/target/debug/deps/fixed_clock-93040e451816687d)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-a1297b80c716a219)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 2024-12-12T21:34:06.516519Z  INFO fix_engine_2::engine_factory: Creating Acceptor.
[INFO] [stdout] 2024-12-12T21:34:06.516635Z  INFO fix_engine_2::engine_factory: Acceptor listening on 127.0.0.1:12345
[INFO] [stdout] 2024-12-12T21:34:06.616472Z  INFO fix_engine_2::engine_factory: Creating Initiator.
[INFO] [stdout] 2024-12-12T21:34:06.616670Z  INFO fix_engine_2::engine_factory: Initiator connected to acceptor at 127.0.0.1:12345
[INFO] [stdout] 2024-12-12T21:34:06.616939Z  INFO fix_engine_2::engine: Initiator: Ready to send messages.
[INFO] [stdout] 2024-12-12T21:34:06.616978Z  INFO fix_engine_2::engine: Initiator: Sending message FixMessage { header: {"34": "1", "8": "FIX.4.4", "56": "ACCEPTOR", "35": "A", "49": "INITIATOR", "52": "20231016-12:30:00.123"}, body: {}, trailer: {} }
[INFO] [stdout] 2024-12-12T21:34:06.619372Z  INFO fix_engine_2::engine: Acceptor: Ready to receive messages.
[INFO] [stdout] 2024-12-12T21:34:06.619470Z  INFO fix_engine_2::engine: Acceptor: Received message FixMessage { header: {"8": "FIX.4.4", "52": "20231016-12:30:00.123", "56": "ACCEPTOR", "35": "A", "9": "60", "49": "INITIATOR", "34": "1"}, body: {"9": "60"}, trailer: {"10": "210"} }
[INFO] [stdout] 2024-12-12T21:34:06.620523Z  INFO fix_engine_2::engine: Acceptor: Shutting down.
[INFO] [stdout] 2024-12-12T21:34:06.620552Z  INFO fix_engine_2::engine: Initiator: Ready to receive messages.
[INFO] [stdout] 2024-12-12T21:34:06.622287Z  INFO fix_engine_2::engine: Acceptor: Ready to send messages.
[INFO] [stdout] 2024-12-12T21:34:07.628209Z  INFO fix_engine_2::engine: Acceptor: Shutdown signal received, exiting receive thread.
[INFO] [stdout] 2024-12-12T21:34:07.628481Z  INFO fix_engine_2::engine: Acceptor: Fully shut down.
[INFO] [stdout] test test_initiator_acceptor_can_exchange_messages has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4a9f9b6d42b90c11f021504d8af0e770a08eece51fe81d7c5cbccda88e38eaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9f9b6d42b90c11f021504d8af0e770a08eece51fe81d7c5cbccda88e38eaea", kill_on_drop: false }`
[INFO] [stdout] 4a9f9b6d42b90c11f021504d8af0e770a08eece51fe81d7c5cbccda88e38eaea