Dec 19 19:07:54.597 INFO checking chasent/IronSMTP against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:07:54.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chasent/IronSMTP:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:07:55.171 INFO [stdout] 33b40589f24c18cb2adc5a9f67fa3a0a26356dc6de532c16f4090b44a3e9695f
Dec 19 19:07:55.174 INFO running `"docker" "start" "-a" "33b40589f24c18cb2adc5a9f67fa3a0a26356dc6de532c16f4090b44a3e9695f"`
Dec 19 19:07:57.688 INFO [stderr]    Compiling memchr v2.1.0
Dec 19 19:07:59.360 INFO [stderr]     Checking nom v4.1.1
Dec 19 19:08:01.216 INFO [stderr]     Checking rsmtp v0.1.0 (/opt/crater/workdir)
Dec 19 19:08:02.321 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 19:08:02.321 INFO [stderr]    --> src/main.rs:103:1
Dec 19 19:08:02.321 INFO [stderr]     |
Dec 19 19:08:02.321 INFO [stderr] 103 | #[macro_use]
Dec 19 19:08:02.321 INFO [stderr]     | ^^^^^^^^^^^^
Dec 19 19:08:02.321 INFO [stderr]     |
Dec 19 19:08:02.321 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 19 19:08:02.321 INFO [stderr] 
Dec 19 19:08:02.321 INFO [stderr] warning: unused import: `TcpStream`
Dec 19 19:08:02.321 INFO [stderr]    --> src/main.rs:108:18
Dec 19 19:08:02.321 INFO [stderr]     |
Dec 19 19:08:02.321 INFO [stderr] 108 | use tokio::net::{TcpStream, TcpListener};
Dec 19 19:08:02.321 INFO [stderr]     |                  ^^^^^^^^^
Dec 19 19:08:02.321 INFO [stderr] 
Dec 19 19:08:02.321 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 19:08:02.321 INFO [stderr]    --> src/main.rs:110:5
Dec 19 19:08:02.321 INFO [stderr]     |
Dec 19 19:08:02.321 INFO [stderr] 110 | use tokio::prelude;
Dec 19 19:08:02.321 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 19:08:02.321 INFO [stderr] 
Dec 19 19:08:02.321 INFO [stderr] warning: unused imports: `Either`, `FutureResult`, `ok`, `self`
Dec 19 19:08:02.321 INFO [stderr]    --> src/main.rs:112:23
Dec 19 19:08:02.321 INFO [stderr]     |
Dec 19 19:08:02.321 INFO [stderr] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop};
Dec 19 19:08:02.321 INFO [stderr]     |                       ^^^^  ^^^^^^  ^^                   ^^^^^^^^^^^^
Dec 19 19:08:02.321 INFO [stderr] 
Dec 19 19:08:02.381 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 19:08:02.381 INFO [stderr]    --> src/main.rs:103:1
Dec 19 19:08:02.381 INFO [stderr]     |
Dec 19 19:08:02.381 INFO [stderr] 103 | #[macro_use]
Dec 19 19:08:02.381 INFO [stderr]     | ^^^^^^^^^^^^
Dec 19 19:08:02.382 INFO [stderr]     |
Dec 19 19:08:02.382 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 19 19:08:02.382 INFO [stderr] 
Dec 19 19:08:02.382 INFO [stderr] warning: unused import: `TcpStream`
Dec 19 19:08:02.382 INFO [stderr]    --> src/main.rs:108:18
Dec 19 19:08:02.382 INFO [stderr]     |
Dec 19 19:08:02.382 INFO [stderr] 108 | use tokio::net::{TcpStream, TcpListener};
Dec 19 19:08:02.382 INFO [stderr]     |                  ^^^^^^^^^
Dec 19 19:08:02.382 INFO [stderr] 
Dec 19 19:08:02.382 INFO [stderr] warning: unused import: `tokio::prelude`
Dec 19 19:08:02.382 INFO [stderr]    --> src/main.rs:110:5
Dec 19 19:08:02.382 INFO [stderr]     |
Dec 19 19:08:02.382 INFO [stderr] 110 | use tokio::prelude;
Dec 19 19:08:02.382 INFO [stderr]     |     ^^^^^^^^^^^^^^
Dec 19 19:08:02.382 INFO [stderr] 
Dec 19 19:08:02.382 INFO [stderr] warning: unused imports: `Either`, `FutureResult`, `ok`, `self`
Dec 19 19:08:02.382 INFO [stderr]    --> src/main.rs:112:23
Dec 19 19:08:02.382 INFO [stderr]     |
Dec 19 19:08:02.382 INFO [stderr] 112 | use futures::future::{self, Either, ok, loop_fn, Future, FutureResult, Loop};
Dec 19 19:08:02.382 INFO [stderr]     |                       ^^^^  ^^^^^^  ^^                   ^^^^^^^^^^^^
Dec 19 19:08:02.382 INFO [stderr] 
Dec 19 19:08:02.624 INFO [stderr] warning: function is never used: `disconnect`
Dec 19 19:08:02.624 INFO [stderr]    --> src/main.rs:152:1
Dec 19 19:08:02.624 INFO [stderr]     |
Dec 19 19:08:02.624 INFO [stderr] 152 | fn disconnect(state: Disconnected) -> impl Future<Item = ServerState, Error = io::Error> {
Dec 19 19:08:02.624 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:08:02.624 INFO [stderr]     |
Dec 19 19:08:02.624 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 19:08:02.624 INFO [stderr] 
Dec 19 19:08:02.624 INFO [stderr] warning: function is never used: `from_hex`
Dec 19 19:08:02.624 INFO [stderr]    --> src/main.rs:535:1
Dec 19 19:08:02.624 INFO [stderr]     |
Dec 19 19:08:02.624 INFO [stderr] 535 | fn from_hex(input: &str) -> Result<u8, std::num::ParseIntError> {
Dec 19 19:08:02.624 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:08:02.624 INFO [stderr] 
Dec 19 19:08:02.624 INFO [stderr] warning: function is never used: `is_hex_digit`
Dec 19 19:08:02.624 INFO [stderr]    --> src/main.rs:539:1
Dec 19 19:08:02.624 INFO [stderr]     |
Dec 19 19:08:02.624 INFO [stderr] 539 | fn is_hex_digit(c: char) -> bool {
Dec 19 19:08:02.624 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:08:02.624 INFO [stderr] 
Dec 19 19:08:02.807 INFO [stderr] error[E0308]: mismatched types
Dec 19 19:08:02.807 INFO [stderr]    --> src/main.rs:569:27
Dec 19 19:08:02.807 INFO [stderr]     |
Dec 19 19:08:02.807 INFO [stderr] 569 |             reverse_path: "<mail@samlogic.com>"
Dec 19 19:08:02.808 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:08:02.808 INFO [stderr]     |                           |
Dec 19 19:08:02.808 INFO [stderr]     |                           expected struct `std::string::String`, found reference
Dec 19 19:08:02.808 INFO [stderr]     |                           help: try using a conversion method: `"<mail@samlogic.com>".to_string()`
Dec 19 19:08:02.808 INFO [stderr]     |
Dec 19 19:08:02.808 INFO [stderr]     = note: expected type `std::string::String`
Dec 19 19:08:02.808 INFO [stderr]                found type `&'static str`
Dec 19 19:08:02.808 INFO [stderr] 
Dec 19 19:08:02.851 INFO [stderr] error: aborting due to previous error
Dec 19 19:08:02.851 INFO [stderr] 
Dec 19 19:08:02.851 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 19 19:08:02.868 INFO [stderr] error: Could not compile `rsmtp`.
Dec 19 19:08:02.868 INFO [stderr] 
Dec 19 19:08:02.868 INFO [stderr] To learn more, run the command again with --verbose.
Dec 19 19:08:03.510 INFO running `"docker" "inspect" "33b40589f24c18cb2adc5a9f67fa3a0a26356dc6de532c16f4090b44a3e9695f"`
Dec 19 19:08:03.812 INFO running `"docker" "rm" "-f" "33b40589f24c18cb2adc5a9f67fa3a0a26356dc6de532c16f4090b44a3e9695f"`
Dec 19 19:08:04.143 INFO [stdout] 33b40589f24c18cb2adc5a9f67fa3a0a26356dc6de532c16f4090b44a3e9695f