Oct 12 16:59:47.460 INFO checking mtmccarthy/pop3 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 16:59:47.460 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 12 16:59:47.888 INFO blam! 6e761ce489d66298eb35de22faeff9b60e0aa4e232da673335e681514106b75a
Oct 12 16:59:47.888 INFO running `"docker" "start" "-a" "6e761ce489d66298eb35de22faeff9b60e0aa4e232da673335e681514106b75a"`
Oct 12 16:59:49.079 INFO kablam! usermod: no changes
Oct 12 16:59:49.209 INFO kablam!     Checking pop3 v0.1.0 (/source)
Oct 12 16:59:49.695 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:59:49.695 INFO kablam!   --> src/pop3/pop3client.rs:16:5
Oct 12 16:59:49.695 INFO kablam!    |
Oct 12 16:59:49.695 INFO kablam! 16 |     stream.flush();
Oct 12 16:59:49.695 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 16:59:49.695 INFO kablam!    |
Oct 12 16:59:49.695 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:59:49.695 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:59:49.695 INFO kablam! 
Oct 12 16:59:49.695 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:59:49.695 INFO kablam!   --> src/pop3/pop3client.rs:42:5
Oct 12 16:59:49.695 INFO kablam!    |
Oct 12 16:59:49.695 INFO kablam! 42 |     stream.write(b"STAT");
Oct 12 16:59:49.695 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:49.695 INFO kablam!    |
Oct 12 16:59:49.695 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:59:49.696 INFO kablam! 
Oct 12 16:59:49.832 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:59:49.832 INFO kablam!   --> src/pop3/pop3client.rs:16:5
Oct 12 16:59:49.832 INFO kablam!    |
Oct 12 16:59:49.832 INFO kablam! 16 |     stream.flush();
Oct 12 16:59:49.832 INFO kablam!    |     ^^^^^^^^^^^^^^^
Oct 12 16:59:49.832 INFO kablam!    |
Oct 12 16:59:49.832 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 16:59:49.832 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:59:49.832 INFO kablam! 
Oct 12 16:59:49.832 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 16:59:49.832 INFO kablam!   --> src/pop3/pop3client.rs:42:5
Oct 12 16:59:49.832 INFO kablam!    |
Oct 12 16:59:49.832 INFO kablam! 42 |     stream.write(b"STAT");
Oct 12 16:59:49.832 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:49.832 INFO kablam!    |
Oct 12 16:59:49.832 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 16:59:49.832 INFO kablam! 
Oct 12 16:59:50.079 INFO kablam! warning: unused import: `pop3::pop3::pop3client::send_stat`
Oct 12 16:59:50.079 INFO kablam!  --> src/main.rs:4:5
Oct 12 16:59:50.079 INFO kablam!   |
Oct 12 16:59:50.079 INFO kablam! 4 | use pop3::pop3::pop3client::send_stat;
Oct 12 16:59:50.079 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:50.079 INFO kablam!   |
Oct 12 16:59:50.079 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:59:50.079 INFO kablam! 
Oct 12 16:59:50.079 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 16:59:50.079 INFO kablam!  --> src/main.rs:6:5
Oct 12 16:59:50.079 INFO kablam!   |
Oct 12 16:59:50.079 INFO kablam! 6 | use std::io::prelude::*;
Oct 12 16:59:50.079 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:50.079 INFO kablam! 
Oct 12 16:59:50.160 INFO kablam! warning: unused import: `pop3::pop3::pop3client::send_stat`
Oct 12 16:59:50.160 INFO kablam!  --> src/main.rs:4:5
Oct 12 16:59:50.160 INFO kablam!   |
Oct 12 16:59:50.160 INFO kablam! 4 | use pop3::pop3::pop3client::send_stat;
Oct 12 16:59:50.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:50.160 INFO kablam!   |
Oct 12 16:59:50.160 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:59:50.160 INFO kablam! 
Oct 12 16:59:50.160 INFO kablam! warning: unused import: `std::io::prelude::*`
Oct 12 16:59:50.160 INFO kablam!  --> src/main.rs:6:5
Oct 12 16:59:50.160 INFO kablam!   |
Oct 12 16:59:50.160 INFO kablam! 6 | use std::io::prelude::*;
Oct 12 16:59:50.160 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 12 16:59:50.160 INFO kablam! 
Oct 12 16:59:50.212 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Oct 12 16:59:50.215 INFO kablam! su: No module specific data is present
Oct 12 16:59:51.060 INFO running `"docker" "rm" "-f" "6e761ce489d66298eb35de22faeff9b60e0aa4e232da673335e681514106b75a"`
Oct 12 16:59:51.308 INFO blam! 6e761ce489d66298eb35de22faeff9b60e0aa4e232da673335e681514106b75a