Nov 29 21:51:06.841 INFO checking mtmccarthy/pop3 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 21:51:06.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 21:51:07.271 INFO [stdout] d769a56310002bc13cf959129f84f54ba703db4de78f07163beb6f9ed33c50ce
Nov 29 21:51:07.278 INFO running `"docker" "start" "-a" "d769a56310002bc13cf959129f84f54ba703db4de78f07163beb6f9ed33c50ce"`
Nov 29 21:51:08.584 INFO [stderr] usermod: no changes
Nov 29 21:51:08.684 INFO [stderr]     Checking pop3 v0.1.0 (/source)
Nov 29 21:51:09.247 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:51:09.247 INFO [stderr]   --> src/pop3/pop3client.rs:16:5
Nov 29 21:51:09.247 INFO [stderr]    |
Nov 29 21:51:09.247 INFO [stderr] 16 |     stream.flush();
Nov 29 21:51:09.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 29 21:51:09.247 INFO [stderr]    |
Nov 29 21:51:09.247 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:51:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:51:09.247 INFO [stderr] 
Nov 29 21:51:09.247 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:51:09.247 INFO [stderr]   --> src/pop3/pop3client.rs:42:5
Nov 29 21:51:09.247 INFO [stderr]    |
Nov 29 21:51:09.247 INFO [stderr] 42 |     stream.write(b"STAT");
Nov 29 21:51:09.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.247 INFO [stderr]    |
Nov 29 21:51:09.247 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:51:09.247 INFO [stderr] 
Nov 29 21:51:09.436 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:51:09.436 INFO [stderr]   --> src/pop3/pop3client.rs:16:5
Nov 29 21:51:09.436 INFO [stderr]    |
Nov 29 21:51:09.436 INFO [stderr] 16 |     stream.flush();
Nov 29 21:51:09.436 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Nov 29 21:51:09.460 INFO [stderr]    |
Nov 29 21:51:09.460 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 29 21:51:09.460 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:51:09.460 INFO [stderr] 
Nov 29 21:51:09.460 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 21:51:09.460 INFO [stderr]   --> src/pop3/pop3client.rs:42:5
Nov 29 21:51:09.460 INFO [stderr]    |
Nov 29 21:51:09.460 INFO [stderr] 42 |     stream.write(b"STAT");
Nov 29 21:51:09.460 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.460 INFO [stderr]    |
Nov 29 21:51:09.460 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 21:51:09.460 INFO [stderr] 
Nov 29 21:51:09.636 INFO [stderr] warning: unused import: `pop3::pop3::pop3client::send_stat`
Nov 29 21:51:09.636 INFO [stderr]  --> src/main.rs:4:5
Nov 29 21:51:09.636 INFO [stderr]   |
Nov 29 21:51:09.636 INFO [stderr] 4 | use pop3::pop3::pop3client::send_stat;
Nov 29 21:51:09.636 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.636 INFO [stderr]   |
Nov 29 21:51:09.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:51:09.636 INFO [stderr] 
Nov 29 21:51:09.636 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 29 21:51:09.636 INFO [stderr]  --> src/main.rs:6:5
Nov 29 21:51:09.636 INFO [stderr]   |
Nov 29 21:51:09.636 INFO [stderr] 6 | use std::io::prelude::*;
Nov 29 21:51:09.636 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.636 INFO [stderr] 
Nov 29 21:51:09.780 INFO [stderr] warning: unused import: `pop3::pop3::pop3client::send_stat`
Nov 29 21:51:09.780 INFO [stderr]  --> src/main.rs:4:5
Nov 29 21:51:09.780 INFO [stderr]   |
Nov 29 21:51:09.780 INFO [stderr] 4 | use pop3::pop3::pop3client::send_stat;
Nov 29 21:51:09.780 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.780 INFO [stderr]   |
Nov 29 21:51:09.780 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 21:51:09.780 INFO [stderr] 
Nov 29 21:51:09.780 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 29 21:51:09.780 INFO [stderr]  --> src/main.rs:6:5
Nov 29 21:51:09.780 INFO [stderr]   |
Nov 29 21:51:09.780 INFO [stderr] 6 | use std::io::prelude::*;
Nov 29 21:51:09.780 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 29 21:51:09.780 INFO [stderr] 
Nov 29 21:51:09.865 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Nov 29 21:51:09.866 INFO [stderr] su: No module specific data is present
Nov 29 21:51:10.527 INFO running `"docker" "inspect" "d769a56310002bc13cf959129f84f54ba703db4de78f07163beb6f9ed33c50ce"`
Nov 29 21:51:10.890 INFO running `"docker" "rm" "-f" "d769a56310002bc13cf959129f84f54ba703db4de78f07163beb6f9ed33c50ce"`
Nov 29 21:51:11.223 INFO [stdout] d769a56310002bc13cf959129f84f54ba703db4de78f07163beb6f9ed33c50ce