[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 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchasent%2FIronSMTP" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chasent/IronSMTP on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-14/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 055657fe6a7b64a5d7533a0c6761a9f4ed5ca9e9d4121122d9505263fb8843ca
[INFO] running `Command { std: "docker" "start" "-a" "055657fe6a7b64a5d7533a0c6761a9f4ed5ca9e9d4121122d9505263fb8843ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055657fe6a7b64a5d7533a0c6761a9f4ed5ca9e9d4121122d9505263fb8843ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055657fe6a7b64a5d7533a0c6761a9f4ed5ca9e9d4121122d9505263fb8843ca", kill_on_drop: false }`
[INFO] [stdout] 055657fe6a7b64a5d7533a0c6761a9f4ed5ca9e9d4121122d9505263fb8843ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80f77b837d7ded151f767c09dff8581d51f698d6c123cb64fd77faee723bd5a
[INFO] running `Command { std: "docker" "start" "-a" "c80f77b837d7ded151f767c09dff8581d51f698d6c123cb64fd77faee723bd5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[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 semver-parser v0.7.0
[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 slab v0.4.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazycell v1.1.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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<Item = ServerState, Error = io::Error> {
[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<u8, std::num::ParseIntError> {
[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 8.47s
[INFO] running `Command { std: "docker" "inspect" "c80f77b837d7ded151f767c09dff8581d51f698d6c123cb64fd77faee723bd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80f77b837d7ded151f767c09dff8581d51f698d6c123cb64fd77faee723bd5a", kill_on_drop: false }`
[INFO] [stdout] c80f77b837d7ded151f767c09dff8581d51f698d6c123cb64fd77faee723bd5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef51cd491b8b2a22109c50b2ea851cbc765ae0995658c0fcf78786d9133f468
[INFO] running `Command { std: "docker" "start" "-a" "1ef51cd491b8b2a22109c50b2ea851cbc765ae0995658c0fcf78786d9133f468", 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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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<Item = ServerState, Error = io::Error> {
[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<u8, std::num::ParseIntError> {
[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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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<Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Loop<ServerState, ServerState>, Error = io::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/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: "<mail@samlogic.com>"
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           expected struct `String`, found `&str`
[INFO] [stdout]     |                           help: try using a conversion method: `"<mail@samlogic.com>".to_string()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsmtp`
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[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" "1ef51cd491b8b2a22109c50b2ea851cbc765ae0995658c0fcf78786d9133f468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef51cd491b8b2a22109c50b2ea851cbc765ae0995658c0fcf78786d9133f468", kill_on_drop: false }`
[INFO] [stdout] 1ef51cd491b8b2a22109c50b2ea851cbc765ae0995658c0fcf78786d9133f468
