[INFO] cloning repository https://github.com/chasent/IronSMTP [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chasent/IronSMTP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c2e3c19b848d020ebbe341afcbe2f6d6431adc3 [INFO] testing chasent/IronSMTP against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chasent/IronSMTP on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chasent/IronSMTP [INFO] finished tweaking git repo https://github.com/chasent/IronSMTP [INFO] tweaked toml for git repo https://github.com/chasent/IronSMTP written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/chasent/IronSMTP already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab17d3bd357e2fec4f72edbc6beef636e27afcaf76d586d4c548b428e009c6d1 [INFO] running `Command { std: "docker" "start" "-a" "ab17d3bd357e2fec4f72edbc6beef636e27afcaf76d586d4c548b428e009c6d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab17d3bd357e2fec4f72edbc6beef636e27afcaf76d586d4c548b428e009c6d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab17d3bd357e2fec4f72edbc6beef636e27afcaf76d586d4c548b428e009c6d1", kill_on_drop: false }` [INFO] [stdout] ab17d3bd357e2fec4f72edbc6beef636e27afcaf76d586d4c548b428e009c6d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c7c37c61274dea6bc5c83b2d34abfecb2a331992315033aca5c1dac5540ed575 [INFO] running `Command { std: "docker" "start" "-a" "c7c37c61274dea6bc5c83b2d34abfecb2a331992315033aca5c1dac5540ed575", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling futures v0.1.24 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.5.0 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling slab v0.4.1 [INFO] [stderr] Compiling lazycell v1.1.0 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling smallvec v0.6.5 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling lock_api v0.1.3 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling bytes v0.4.10 [INFO] [stderr] Compiling crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling parking_lot v0.6.4 [INFO] [stderr] Compiling crossbeam-deque v0.6.1 [INFO] [stderr] Compiling tokio-executor v0.1.4 [INFO] [stderr] Compiling tokio-io v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.1 [INFO] [stderr] Compiling tokio-timer v0.2.6 [INFO] [stderr] Compiling tokio-reactor v0.1.5 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.1 [INFO] [stderr] Compiling tokio-uds v0.2.1 [INFO] [stderr] Compiling tokio v0.1.8 [INFO] [stderr] Compiling rsmtp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:103:1 [INFO] [stdout] | [INFO] [stdout] 103 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:108:18 [INFO] [stdout] | [INFO] [stdout] 108 | use tokio::net::{TcpStream, TcpListener}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | use tokio::prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Either`, `FutureResult`, `ok`, `self` [INFO] [stdout] --> src/main.rs:112:23 [INFO] [stdout] | [INFO] [stdout] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stdout] | ^^^^ ^^^^^^ ^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:116:48 [INFO] [stdout] | [INFO] [stdout] 116 | fn handle_connecting(state: Connecting) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:46 [INFO] [stdout] | [INFO] [stdout] 128 | fn handle_connected(state: Connected) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SessionStarted` [INFO] [stdout] --> src/smtp_interface.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | SessionStarted(SessionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionStarted` [INFO] [stdout] --> src/smtp_interface.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | TransactionStarted(TransactionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionReady` [INFO] [stdout] --> src/smtp_interface.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | TransactionReady(TransactionReady), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DataMode` [INFO] [stdout] --> src/smtp_interface.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | DataMode(DataMode), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `disconnect` [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn disconnect(state: Disconnected) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `from_hex` [INFO] [stdout] --> src/main.rs:535:4 [INFO] [stdout] | [INFO] [stdout] 535 | fn from_hex(input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_hex_digit` [INFO] [stdout] --> src/main.rs:539:4 [INFO] [stdout] | [INFO] [stdout] 539 | fn is_hex_digit(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.23s [INFO] running `Command { std: "docker" "inspect" "c7c37c61274dea6bc5c83b2d34abfecb2a331992315033aca5c1dac5540ed575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7c37c61274dea6bc5c83b2d34abfecb2a331992315033aca5c1dac5540ed575", kill_on_drop: false }` [INFO] [stdout] c7c37c61274dea6bc5c83b2d34abfecb2a331992315033aca5c1dac5540ed575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd6fdf97456d57e2888ec980ccfee14554824f25f6f0d326da633e3a5cae8dfa [INFO] running `Command { std: "docker" "start" "-a" "cd6fdf97456d57e2888ec980ccfee14554824f25f6f0d326da633e3a5cae8dfa", kill_on_drop: false }` [INFO] [stderr] Compiling rsmtp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:103:1 [INFO] [stdout] | [INFO] [stdout] 103 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:108:18 [INFO] [stdout] | [INFO] [stdout] 108 | use tokio::net::{TcpStream, TcpListener}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | use tokio::prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Either`, `FutureResult`, `ok`, `self` [INFO] [stdout] --> src/main.rs:112:23 [INFO] [stdout] | [INFO] [stdout] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stdout] | ^^^^ ^^^^^^ ^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:116:48 [INFO] [stdout] | [INFO] [stdout] 116 | fn handle_connecting(state: Connecting) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:46 [INFO] [stdout] | [INFO] [stdout] 128 | fn handle_connected(state: Connected) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SessionStarted` [INFO] [stdout] --> src/smtp_interface.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | SessionStarted(SessionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionStarted` [INFO] [stdout] --> src/smtp_interface.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | TransactionStarted(TransactionStarted), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `TransactionReady` [INFO] [stdout] --> src/smtp_interface.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | TransactionReady(TransactionReady), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DataMode` [INFO] [stdout] --> src/smtp_interface.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | DataMode(DataMode), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `disconnect` [INFO] [stdout] --> src/main.rs:152:4 [INFO] [stdout] | [INFO] [stdout] 152 | fn disconnect(state: Disconnected) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `from_hex` [INFO] [stdout] --> src/main.rs:535:4 [INFO] [stdout] | [INFO] [stdout] 535 | fn from_hex(input: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_hex_digit` [INFO] [stdout] --> src/main.rs:539:4 [INFO] [stdout] | [INFO] [stdout] 539 | fn is_hex_digit(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:103:1 [INFO] [stdout] | [INFO] [stdout] 103 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/main.rs:108:18 [INFO] [stdout] | [INFO] [stdout] 108 | use tokio::net::{TcpStream, TcpListener}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude` [INFO] [stdout] --> src/main.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 110 | use tokio::prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Either`, `FutureResult`, `ok`, `self` [INFO] [stdout] --> src/main.rs:112:23 [INFO] [stdout] | [INFO] [stdout] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stdout] | ^^^^ ^^^^^^ ^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:116:48 [INFO] [stdout] | [INFO] [stdout] 116 | fn handle_connecting(state: Connecting) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:128:46 [INFO] [stdout] | [INFO] [stdout] 128 | fn handle_connected(state: Connected) -> Box, Error = io::Error> + Send> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future, Error = io::Error> + Send` [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 issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:569:27 [INFO] [stdout] | [INFO] [stdout] 569 | reverse_path: "" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found `&str` [INFO] [stdout] | help: try using a conversion method: `"".to_string()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rsmtp` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cd6fdf97456d57e2888ec980ccfee14554824f25f6f0d326da633e3a5cae8dfa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd6fdf97456d57e2888ec980ccfee14554824f25f6f0d326da633e3a5cae8dfa", kill_on_drop: false }` [INFO] [stdout] cd6fdf97456d57e2888ec980ccfee14554824f25f6f0d326da633e3a5cae8dfa