[INFO] cloning repository https://github.com/FactrueSolin/smtp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FactrueSolin/smtp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFactrueSolin%2Fsmtp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFactrueSolin%2Fsmtp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae2492cbe4a6bbf78e540492bbde744509bd417
[INFO] testing FactrueSolin/smtp-rs against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFactrueSolin%2Fsmtp-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FactrueSolin/smtp-rs
[INFO] finished tweaking git repo https://github.com/FactrueSolin/smtp-rs
[INFO] tweaked toml for git repo https://github.com/FactrueSolin/smtp-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FactrueSolin/smtp-rs on toolchain beta-2026-04-21
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[INFO] crate git repo https://github.com/FactrueSolin/smtp-rs 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling trust-dns-resolver v0.23.2
[INFO] [stderr]    Compiling smtpd v0.1.0
[INFO] [stderr]    Compiling smtp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `server_name` is never read
[INFO] [stdout]   --> src/config/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct SmtpServerConfig {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub server_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SmtpServerConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AppError` is never used
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum AppError {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BindError` is never constructed
[INFO] [stdout]   --> src/error.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum SmtpError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 25 |     #[error("Failed to bind to address: {0}")]
[INFO] [stdout] 26 |     BindError(String),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SmtpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EncodingError` is never constructed
[INFO] [stdout]   --> src/error.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     EncodingError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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 `content_base64` is never read
[INFO] [stdout]   --> src/parser/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub content_base64: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attachment` 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: method `close` is never used
[INFO] [stdout]    --> src/rabbitmq/mod.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl RabbitMQProducer {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub async fn close(&self) -> Result<(), RabbitMQError> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 55s
[INFO] running `Command { std: "docker" "inspect" "16e8d387867c9b576829de55ae88679e742917f3e6a7f83d69dc0848ab14a86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e8d387867c9b576829de55ae88679e742917f3e6a7f83d69dc0848ab14a86a", kill_on_drop: false }`
[INFO] [stdout] 16e8d387867c9b576829de55ae88679e742917f3e6a7f83d69dc0848ab14a86a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0952c90ba8545f85638dad935a0ceea953471501c3f0512dd0ae5bbbc9fb72cd
[INFO] running `Command { std: "docker" "start" "-a" "0952c90ba8545f85638dad935a0ceea953471501c3f0512dd0ae5bbbc9fb72cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling smtp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `server_name` is never read
[INFO] [stdout]   --> src/config/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct SmtpServerConfig {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub server_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SmtpServerConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AppError` is never used
[INFO] [stdout]  --> src/error.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum AppError {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BindError` is never constructed
[INFO] [stdout]   --> src/error.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum SmtpError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 25 |     #[error("Failed to bind to address: {0}")]
[INFO] [stdout] 26 |     BindError(String),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SmtpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EncodingError` is never constructed
[INFO] [stdout]   --> src/error.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 36 |     EncodingError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` 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 `content_base64` is never read
[INFO] [stdout]   --> src/parser/mod.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Attachment {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub content_base64: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attachment` 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: method `close` is never used
[INFO] [stdout]    --> src/rabbitmq/mod.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl RabbitMQProducer {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub async fn close(&self) -> Result<(), RabbitMQError> {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "0952c90ba8545f85638dad935a0ceea953471501c3f0512dd0ae5bbbc9fb72cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0952c90ba8545f85638dad935a0ceea953471501c3f0512dd0ae5bbbc9fb72cd", kill_on_drop: false }`
[INFO] [stdout] 0952c90ba8545f85638dad935a0ceea953471501c3f0512dd0ae5bbbc9fb72cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58d1d01fe19e3119d8695dd38c7db7bafd6565a0b5beb57dcad9027a0d966dba
[INFO] running `Command { std: "docker" "start" "-a" "58d1d01fe19e3119d8695dd38c7db7bafd6565a0b5beb57dcad9027a0d966dba", kill_on_drop: false }`
[INFO] [stderr] warning: field `server_name` is never read
[INFO] [stderr]   --> src/config/mod.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct SmtpServerConfig {
[INFO] [stderr]    |            ---------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub server_name: String,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SmtpServerConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `AppError` is never used
[INFO] [stderr]  --> src/error.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum AppError {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BindError` is never constructed
[INFO] [stderr]   --> src/error.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub enum SmtpError {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] 25 |     #[error("Failed to bind to address: {0}")]
[INFO] [stderr] 26 |     BindError(String),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SmtpError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EncodingError` is never constructed
[INFO] [stderr]   --> src/error.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum ParseError {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 36 |     EncodingError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `content_base64` is never read
[INFO] [stderr]   --> src/parser/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct Attachment {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub content_base64: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Attachment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `close` is never used
[INFO] [stderr]    --> src/rabbitmq/mod.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr]  25 | impl RabbitMQProducer {
[INFO] [stderr]     | --------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 165 |     pub async fn close(&self) -> Result<(), RabbitMQError> {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `smtp-rs` (bin "smtp-rs" test) generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/smtp_rs-8af043d726aa2c54)
[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] running `Command { std: "docker" "inspect" "58d1d01fe19e3119d8695dd38c7db7bafd6565a0b5beb57dcad9027a0d966dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d1d01fe19e3119d8695dd38c7db7bafd6565a0b5beb57dcad9027a0d966dba", kill_on_drop: false }`
[INFO] [stdout] 58d1d01fe19e3119d8695dd38c7db7bafd6565a0b5beb57dcad9027a0d966dba
