[INFO] cloning repository https://github.com/BonusPlay/mailduck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BonusPlay/mailduck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonusPlay%2Fmailduck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonusPlay%2Fmailduck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 458ef897de29dac664b773fbf03b31b16d69e950 [INFO] checking BonusPlay/mailduck/458ef897de29dac664b773fbf03b31b16d69e950 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBonusPlay%2Fmailduck" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BonusPlay/mailduck on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BonusPlay/mailduck [INFO] finished tweaking git repo https://github.com/BonusPlay/mailduck [INFO] tweaked toml for git repo https://github.com/BonusPlay/mailduck written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/BonusPlay/mailduck 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 37fe650362dd628c07fbf4f50463c55eaffc7761f39e5f7d69682b54025ddc75 [INFO] running `Command { std: "docker" "start" "-a" "37fe650362dd628c07fbf4f50463c55eaffc7761f39e5f7d69682b54025ddc75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37fe650362dd628c07fbf4f50463c55eaffc7761f39e5f7d69682b54025ddc75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37fe650362dd628c07fbf4f50463c55eaffc7761f39e5f7d69682b54025ddc75", kill_on_drop: false }` [INFO] [stdout] 37fe650362dd628c07fbf4f50463c55eaffc7761f39e5f7d69682b54025ddc75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6436889245c51b6532227934f1d14c262aa80e90bd481a2de36b876353a053b [INFO] running `Command { std: "docker" "start" "-a" "b6436889245c51b6532227934f1d14c262aa80e90bd481a2de36b876353a053b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling eyre v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking owo-colors v3.2.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Checking tracing-subscriber v0.3.8 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking color-spantrace v0.2.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking color-eyre v0.6.0 [INFO] [stderr] Checking mailduck v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::error::*` [INFO] [stdout] --> src/smtp/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use self::error::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::error::*` [INFO] [stdout] --> src/smtp/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use self::error::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/smtp/commands/mail_from.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SmtpParam { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SmtpParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reverse_path` and `params` are never read [INFO] [stdout] --> src/smtp/commands/mail_from.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SmtpMailFrom { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 20 | pub reverse_path: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 21 | pub params: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SmtpMailFrom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | handle_connection(&mut socket).await; [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] 24 | let _ = handle_connection(&mut socket).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> src/smtp/commands/mail_from.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct SmtpParam { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 14 | pub name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | pub value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SmtpParam` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reverse_path` and `params` are never read [INFO] [stdout] --> src/smtp/commands/mail_from.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct SmtpMailFrom { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 20 | pub reverse_path: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 21 | pub params: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SmtpMailFrom` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | handle_connection(&mut socket).await; [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] 24 | let _ = handle_connection(&mut socket).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.37s [INFO] running `Command { std: "docker" "inspect" "b6436889245c51b6532227934f1d14c262aa80e90bd481a2de36b876353a053b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6436889245c51b6532227934f1d14c262aa80e90bd481a2de36b876353a053b", kill_on_drop: false }` [INFO] [stdout] b6436889245c51b6532227934f1d14c262aa80e90bd481a2de36b876353a053b