[INFO] cloning repository https://github.com/nicdk/smtpd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicdk/smtpd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicdk%2Fsmtpd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicdk%2Fsmtpd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebfd2595791b9fb88f8649bb4442139c3c7ebc0c
[INFO] checking nicdk/smtpd-rs 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%2Fnicdk%2Fsmtpd-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nicdk/smtpd-rs
[INFO] finished tweaking git repo https://github.com/nicdk/smtpd-rs
[INFO] tweaked toml for git repo https://github.com/nicdk/smtpd-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nicdk/smtpd-rs 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/nicdk/smtpd-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a58e0698d51046f128bd98a63cfa750ebedcd7b246b0a384b033bd85d9fe648f
[INFO] running `Command { std: "docker" "start" "-a" "a58e0698d51046f128bd98a63cfa750ebedcd7b246b0a384b033bd85d9fe648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a58e0698d51046f128bd98a63cfa750ebedcd7b246b0a384b033bd85d9fe648f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58e0698d51046f128bd98a63cfa750ebedcd7b246b0a384b033bd85d9fe648f", kill_on_drop: false }`
[INFO] [stdout] a58e0698d51046f128bd98a63cfa750ebedcd7b246b0a384b033bd85d9fe648f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] db41b7234b99c25e1cb6354a33a8de99011409042c6cb45b06c36ae00fc5f70f
[INFO] running `Command { std: "docker" "start" "-a" "db41b7234b99c25e1cb6354a33a8de99011409042c6cb45b06c36ae00fc5f70f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking smtpd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/receiver.rs:451:26
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &Error) {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &dyn Error) {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/receiver.rs:451:26
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &Error) {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &dyn Error) {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/bin/receiver.rs:453:33
[INFO] [stdout]     |
[INFO] [stdout] 453 |     while let Some(cause) = err.cause() {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/bin/receiver.rs:453:33
[INFO] [stdout]     |
[INFO] [stdout] 453 |     while let Some(cause) = err.cause() {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/receiver.rs:451:26
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &Error) {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &dyn Error) {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/bin/receiver.rs:453:33
[INFO] [stdout]     |
[INFO] [stdout] 453 |     while let Some(cause) = err.cause() {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:464:94
[INFO] [stdout]     |
[INFO] [stdout] 464 | ...ing()), Some(SmtpReply { code: 250, message: "ok at your service \"localhost\"\n".parse().unwrap() }));
[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<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:465:94
[INFO] [stdout]     |
[INFO] [stdout] 465 | ...ing()), Some(SmtpReply { code: 250, message: "ok at your service \"localhost\"\n".parse().unwrap() }));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:467:112
[INFO] [stdout]     |
[INFO] [stdout] 467 | ...to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:468:110
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:469:84
[INFO] [stdout]     |
[INFO] [stdout] 469 | ...)), Some(SmtpReply { code: 354, message: "Start mail input; end with <CRLF>.<CRLF>\n".parse().unwrap() }));
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:471:84
[INFO] [stdout]     |
[INFO] [stdout] 471 |     assert_eq!(dispatch(&"RSET".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:472:84
[INFO] [stdout]     |
[INFO] [stdout] 472 |     assert_eq!(dispatch(&"NOOP".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:474:84
[INFO] [stdout]     |
[INFO] [stdout] 474 |     assert_eq!(dispatch(&"VRFY".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smtpd-rs` (bin "receiver" test) due to 8 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/receiver.rs:451:26
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &Error) {
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 451 | fn print_error(mut err: &dyn Error) {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]    --> src/bin/receiver.rs:453:33
[INFO] [stdout]     |
[INFO] [stdout] 453 |     while let Some(cause) = err.cause() {
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:464:94
[INFO] [stdout]     |
[INFO] [stdout] 464 | ...ing()), Some(SmtpReply { code: 250, message: "ok at your service \"localhost\"\n".parse().unwrap() }));
[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<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:465:94
[INFO] [stdout]     |
[INFO] [stdout] 465 | ...ing()), Some(SmtpReply { code: 250, message: "ok at your service \"localhost\"\n".parse().unwrap() }));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:467:112
[INFO] [stdout]     |
[INFO] [stdout] 467 | ...to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:468:110
[INFO] [stdout]     |
[INFO] [stdout] 468 | ...to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:469:84
[INFO] [stdout]     |
[INFO] [stdout] 469 | ...)), Some(SmtpReply { code: 354, message: "Start mail input; end with <CRLF>.<CRLF>\n".parse().unwrap() }));
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:471:84
[INFO] [stdout]     |
[INFO] [stdout] 471 |     assert_eq!(dispatch(&"RSET".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:472:84
[INFO] [stdout]     |
[INFO] [stdout] 472 |     assert_eq!(dispatch(&"NOOP".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/bin/receiver.rs:474:84
[INFO] [stdout]     |
[INFO] [stdout] 474 |     assert_eq!(dispatch(&"VRFY".to_string()), Some(SmtpReply { code: 250, message: "2.1.0 OK - smtpd-rs\n".parse().unwrap() }));
[INFO] [stdout]     |                                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smtpd-rs` (bin "main" test) due to 8 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "db41b7234b99c25e1cb6354a33a8de99011409042c6cb45b06c36ae00fc5f70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db41b7234b99c25e1cb6354a33a8de99011409042c6cb45b06c36ae00fc5f70f", kill_on_drop: false }`
[INFO] [stdout] db41b7234b99c25e1cb6354a33a8de99011409042c6cb45b06c36ae00fc5f70f